Implement basic invoicing

.gitignore

@@ -158,3 +158,6 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 .idea/
+
+# Drawio
+.*.drawio.bkp

.pre-commit-config.yaml

@@ -1,18 +1,27 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.2.0
+    rev: v4.6.0
     hooks:
     -   id: trailing-whitespace
     -   id: end-of-file-fixer
     -   id: check-yaml
     -   id: check-added-large-files
+-   repo: https://github.com/pre-commit/mirrors-autopep8
+    rev: v2.0.4
+    hooks:
+    -   id: autopep8
+-   repo: https://github.com/asottile/add-trailing-comma
+    rev: v3.1.0
+    hooks:
+    -   id: add-trailing-comma
 -   repo: https://github.com/asottile/reorder-python-imports
-    rev: v3.12.0
+    rev: v3.13.0
     hooks:
     -   id: reorder-python-imports
 -   repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.2.0
+    rev: v0.5.5
     hooks:
     -   id: ruff
         args: [--fix, --exit-non-zero-on-fix]
-      - id: ruff-format

README.md

@@ -0,0 +1,3 @@
+# Facturio
+- DB Schema: [dbdiagram.io](https://dbdiagram.io/d/Facturio-65c15011ac844320ae80e86e) -- TODO: Update
+- KanBoard: [board.katuwoss.dev](https://board.katuwoss.dev/public/board/b64e04ae8ba0cc2fa26712ccd555ea4e4290b8463a8ef6e3a19aa74829c4)

TODO.md

@@ -1,21 +0,0 @@
-# TODO
-
-## Localisation
-
-- [ ] It would be nice to centralize the translations to some well-chosen singular directory
-- [ ] Integrate it with some public translation project?
-
-## DevOps Functionality
-- [ ] I need to dockerize it
-- [ ] It should be easily buildable and publishable using some kind of CI/CD
-
-## Application Functionality
-
-- [ ] I should be able to connect one (or many) subjects to a user, so they can start generating as the one
-    - This is meant so that the user is being the "connected subject"
-- [ ] I need to be able to create the invoices as the connected subject to any subject in current database
-    - Automatically creating non-existing subjects might be nice to have
-- [ ] I should be able to keep the invoices even if the subject is deleted (or changed) with the data in the day of the
-  creation
-- [ ] Generating QR Payments is nice to have
-- [ ] It would be great to automatically check `ares` for data changes from time to time

accounts/admin.py

@@ -7,4 +7,8 @@ from . import models
 
 @admin.register(models.User)
 class UserAdmin(BaseUserAdmin):
-    fieldsets = (*BaseUserAdmin.fieldsets, (_('Subjects'), {'fields': ('subjects',)}))
+    fieldsets = (
+        *BaseUserAdmin.fieldsets,
+        (_('Subjects'), {'fields': ('supplier', 'customers')}),
+    )
+    filter_horizontal = (*BaseUserAdmin.filter_horizontal, 'customers')

accounts/forms.py

@@ -7,9 +7,6 @@ from django.utils.translation import gettext_lazy as _
 from .models import User
 
 
-# from .models import User
-
-
 class LoginForm(AuthenticationForm):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -22,7 +19,8 @@ class LoginForm(AuthenticationForm):
 class RegisterForm(UserCreationForm):
     class Meta:
         model = User
-        fields = UserCreationForm.Meta.fields + ('first_name', 'last_name', 'email')
+        fields = UserCreationForm.Meta.fields + \
+            ('first_name', 'last_name', 'email')
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)

accounts/migrations/0001_initial.py

@@ -26,11 +26,15 @@ class Migration(migrations.Migration):
                         verbose_name='ID',
                     ),
                 ),
-                ('password', models.CharField(max_length=128, verbose_name='password')),
+                (
+                    'password', models.CharField(
+                        max_length=128, verbose_name='password',
+                    ),
+                ),
                 (
                     'last_login',
                     models.DateTimeField(
-                        blank=True, null=True, verbose_name='last login'
+                        blank=True, null=True, verbose_name='last login',
                     ),
                 ),
                 (
@@ -45,13 +49,13 @@ class Migration(migrations.Migration):
                     'username',
                     models.CharField(
                         error_messages={
-                            'unique': 'A user with that username already exists.'
+                            'unique': 'A user with that username already exists.',
                         },
                         help_text='Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.',
                         max_length=150,
                         unique=True,
                         validators=[
-                            django.contrib.auth.validators.UnicodeUsernameValidator()
+                            django.contrib.auth.validators.UnicodeUsernameValidator(),
                         ],
                         verbose_name='username',
                     ),
@@ -59,19 +63,19 @@ class Migration(migrations.Migration):
                 (
                     'first_name',
                     models.CharField(
-                        blank=True, max_length=150, verbose_name='first name'
+                        blank=True, max_length=150, verbose_name='first name',
                     ),
                 ),
                 (
                     'last_name',
                     models.CharField(
-                        blank=True, max_length=150, verbose_name='last name'
+                        blank=True, max_length=150, verbose_name='last name',
                     ),
                 ),
                 (
                     'email',
                     models.EmailField(
-                        blank=True, max_length=254, verbose_name='email address'
+                        blank=True, max_length=254, verbose_name='email address',
                     ),
                 ),
                 (
@@ -93,7 +97,7 @@ class Migration(migrations.Migration):
                 (
                     'date_joined',
                     models.DateTimeField(
-                        default=django.utils.timezone.now, verbose_name='date joined'
+                        default=django.utils.timezone.now, verbose_name='date joined',
                     ),
                 ),
                 (

accounts/migrations/0002_alter_user_email_alter_user_first_name_and_more.py

@@ -12,7 +12,9 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='user',
             name='email',
-            field=models.EmailField(max_length=254, verbose_name='email address'),
+            field=models.EmailField(
+                max_length=254, verbose_name='email address',
+            ),
         ),
         migrations.AlterField(
             model_name='user',

accounts/migrations/0005_remove_user_subjects_user_customers_user_suppliers.py

@@ -0,0 +1,31 @@
+# Generated by Django 5.0.1 on 2024-02-06 18:57
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('accounts', '0004_alter_user_subjects'),
+        ('subjects', '0003_alter_subject_options'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='user',
+            name='subjects',
+        ),
+        migrations.AddField(
+            model_name='user',
+            name='customers',
+            field=models.ManyToManyField(
+                blank=True, related_name='+', to='subjects.subject',
+            ),
+        ),
+        migrations.AddField(
+            model_name='user',
+            name='suppliers',
+            field=models.ManyToManyField(
+                blank=True, related_name='+', to='subjects.subject',
+            ),
+        ),
+    ]

accounts/migrations/0006_remove_user_suppliers_user_supplier_and_more.py

@@ -0,0 +1,36 @@
+# Generated by Django 5.0.1 on 2024-02-16 15:20
+import django.db.models.deletion
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('accounts', '0005_remove_user_subjects_user_customers_user_suppliers'),
+        ('subjects', '0003_alter_subject_options'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='user',
+            name='suppliers',
+        ),
+        migrations.AddField(
+            model_name='user',
+            name='supplier',
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.PROTECT,
+                related_name='supplier',
+                to='subjects.subject',
+            ),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='customers',
+            field=models.ManyToManyField(
+                blank=True, to='subjects.subject', verbose_name='customers',
+            ),
+        ),
+    ]

accounts/models.py

@@ -12,7 +12,18 @@ class User(AbstractUser):
     last_name = models.CharField(_('last name'), max_length=150)
     email = models.EmailField(_('email address'))
 
-    subjects = models.ManyToManyField(Subject, blank=True)
+    supplier = models.ForeignKey(
+        Subject, models.PROTECT, _('supplier'), blank=True, null=True,
+    )
+    customers = models.ManyToManyField(
+        Subject, blank=True, verbose_name=_('customers'),
+    )
 
     class Meta(AbstractUser.Meta):
         ...
+
+    def _get_m2m_ids(self, field: str):
+        return list(getattr(self, field).values_list('id', flat=True))
+
+    def get_customers(self) -> list[int]:
+        return self._get_m2m_ids('customers')

accounts/templates/account/me.html

@@ -19,14 +19,27 @@
             </li>
         </ul>
     </div>
-    {% if request.user.subjects.exists %}
+    {% if request.user.supplier %}
     <div class="card mb-2">
-        <h5 class="card-header">{% trans "Linked subjects" %}</h5>
+        <h5 class="card-header">{% trans "Current supplier" %}</h5>
         <ul class="list-group list-group-flush">
-            {% for subject in request.user.subjects.all %}
+            {% with supplier_data=request.user.supplier.get_latest_data %}
-            <li class="list-group-item">{{ subject.name }}</li>
+                <li class="list-group-item">{{ supplier_data.name }}</li>
+            {% endwith %}
+        </ul>
+    </div>
+    {% endif %}
+    {% if request.user.customers.exists %}
+    <div class="card mb-2">
+        <h5 class="card-header">{% trans "Customers" %}</h5>
+        <ul class="list-group list-group-flush">
+            {% for subject in request.user.customers.all %}
+                {% with customer_data=subject.get_latest_data %}
+                    <li class="list-group-item">{{ customer_data.name }}</li>
+                {% endwith %}
             {% endfor %}
         </ul>
     </div>
     {% endif %}
+
 {% endblock %}

accounts/views.py

@@ -59,5 +59,4 @@ def auth_register(req: HttpRequest) -> HttpResponse:
 
 @login_required
 def me(req: HttpRequest) -> HttpResponse:
-    print(req.user.username)
     return render(req, 'account/me.html')

db_schema.drawio

@@ -0,0 +1,556 @@
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+  <diagram id="Ht1M8jgEwFfnCIfOTk4-" name="Page-1">
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+      <root>
+        <mxCell id="0" />
+        <mxCell id="1" parent="0" />
+        <mxCell id="nr37UCySzYaolLaYy_Jx-1" value="User" style="shape=table;startSize=30;container=1;collapsible=1;childLayout=tableLayout;fixedRows=1;rowLines=0;fontStyle=1;align=center;resizeLast=1;html=1;" vertex="1" parent="1">
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db_schema_rework.drawio

@@ -0,0 +1,523 @@
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+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-2" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=1;" parent="zVNAeAY2EM7rbmsBrYKd-1" vertex="1">
+          <mxGeometry y="30" width="180" height="30" as="geometry" />
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-3" value="PK" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;fontStyle=1;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-2" vertex="1">
+          <mxGeometry width="30" height="30" as="geometry">
+            <mxRectangle width="30" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-4" value="UUID" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;fontStyle=5;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-2" vertex="1">
+          <mxGeometry x="30" width="150" height="30" as="geometry">
+            <mxRectangle width="150" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-5" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" parent="zVNAeAY2EM7rbmsBrYKd-1" vertex="1">
+          <mxGeometry y="60" width="180" height="30" as="geometry" />
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-6" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-5" vertex="1">
+          <mxGeometry width="30" height="30" as="geometry">
+            <mxRectangle width="30" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-7" value="subject_id" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-5" vertex="1">
+          <mxGeometry x="30" width="150" height="30" as="geometry">
+            <mxRectangle width="150" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-8" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" parent="zVNAeAY2EM7rbmsBrYKd-1" vertex="1">
+          <mxGeometry y="90" width="180" height="30" as="geometry" />
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-9" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-8" vertex="1">
+          <mxGeometry width="30" height="30" as="geometry">
+            <mxRectangle width="30" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-10" value="name" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-8" vertex="1">
+          <mxGeometry x="30" width="150" height="30" as="geometry">
+            <mxRectangle width="150" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-11" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" parent="zVNAeAY2EM7rbmsBrYKd-1" vertex="1">
+          <mxGeometry y="120" width="180" height="30" as="geometry" />
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-12" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-11" vertex="1">
+          <mxGeometry width="30" height="30" as="geometry">
+            <mxRectangle width="30" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-13" value="city" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-11" vertex="1">
+          <mxGeometry x="30" width="150" height="30" as="geometry">
+            <mxRectangle width="150" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-18" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" parent="zVNAeAY2EM7rbmsBrYKd-1" vertex="1">
+          <mxGeometry y="150" width="180" height="30" as="geometry" />
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-19" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-18" vertex="1">
+          <mxGeometry width="30" height="30" as="geometry">
+            <mxRectangle width="30" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-20" value="city_part" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-18" vertex="1">
+          <mxGeometry x="30" width="150" height="30" as="geometry">
+            <mxRectangle width="150" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-21" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" parent="zVNAeAY2EM7rbmsBrYKd-1" vertex="1">
+          <mxGeometry y="180" width="180" height="30" as="geometry" />
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-22" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-21" vertex="1">
+          <mxGeometry width="30" height="30" as="geometry">
+            <mxRectangle width="30" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-23" value="zip_code" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-21" vertex="1">
+          <mxGeometry x="30" width="150" height="30" as="geometry">
+            <mxRectangle width="150" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-24" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" parent="zVNAeAY2EM7rbmsBrYKd-1" vertex="1">
+          <mxGeometry y="210" width="180" height="30" as="geometry" />
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-25" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-24" vertex="1">
+          <mxGeometry width="30" height="30" as="geometry">
+            <mxRectangle width="30" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-26" value="street" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-24" vertex="1">
+          <mxGeometry x="30" width="150" height="30" as="geometry">
+            <mxRectangle width="150" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-27" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" parent="zVNAeAY2EM7rbmsBrYKd-1" vertex="1">
+          <mxGeometry y="240" width="180" height="30" as="geometry" />
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-28" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-27" vertex="1">
+          <mxGeometry width="30" height="30" as="geometry">
+            <mxRectangle width="30" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-29" value="created_date" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" parent="zVNAeAY2EM7rbmsBrYKd-27" vertex="1">
+          <mxGeometry x="30" width="150" height="30" as="geometry">
+            <mxRectangle width="150" height="30" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="zVNAeAY2EM7rbmsBrYKd-17" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;entryX=1;entryY=0.5;entryDx=0;entryDy=0;" parent="1" source="zVNAeAY2EM7rbmsBrYKd-5" target="nr37UCySzYaolLaYy_Jx-45" edge="1">
+          <mxGeometry relative="1" as="geometry" />
+        </mxCell>
+        <mxCell id="Sq4IkR5sZP7Z3nL0hjTo-7" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;entryX=0;entryY=0.5;entryDx=0;entryDy=0;" edge="1" parent="1" source="Sq4IkR5sZP7Z3nL0hjTo-4" target="zVNAeAY2EM7rbmsBrYKd-2">
+          <mxGeometry relative="1" as="geometry" />
+        </mxCell>
+        <mxCell id="Sq4IkR5sZP7Z3nL0hjTo-8" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;" edge="1" parent="1" source="Sq4IkR5sZP7Z3nL0hjTo-1" target="zVNAeAY2EM7rbmsBrYKd-2">
+          <mxGeometry relative="1" as="geometry" />
+        </mxCell>
+        <mxCell id="Sq4IkR5sZP7Z3nL0hjTo-10" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;" edge="1" parent="1" source="nr37UCySzYaolLaYy_Jx-76" target="nr37UCySzYaolLaYy_Jx-45">
+          <mxGeometry relative="1" as="geometry" />
+        </mxCell>
+        <mxCell id="Sq4IkR5sZP7Z3nL0hjTo-11" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;" edge="1" parent="1" source="nr37UCySzYaolLaYy_Jx-79" target="nr37UCySzYaolLaYy_Jx-45">
+          <mxGeometry relative="1" as="geometry" />
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+</mxfile>

facturio/asgi.py

@@ -10,6 +10,9 @@ import os
 
 from django.core.asgi import get_asgi_application
 
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'facturio.settings')
+os.environ.setdefault(
+    'DJANGO_SETTINGS_MODULE',
+    'facturio.settings.development',
+)
 
 application = get_asgi_application()

facturio/settings/base.py

@@ -12,18 +12,23 @@ https://docs.djangoproject.com/en/5.0/ref/settings/
 from pathlib import Path
 
 from django.utils.translation import gettext_lazy as _
+from environ import Env
+
+env = Env()
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
-BASE_DIR = Path(__file__).resolve().parent.parent
+BASE_DIR = Path(__file__).resolve().parent.parent.parent
 
 # Quick-start development settings - unsuitable for production
 # See https://docs.djangoproject.com/en/5.0/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = 'django-insecure-+l+g3)q1zz2bz7=mz4ys6lhu5uj+=ucj34flm^clo4vb3(wmdp'
+SECRET_KEY = env(
+    'SECRET_KEY', default='django-insecure-+l+g3)q1zz2bz7=mz4ys6lhu5uj+=ucj34flm^clo4vb3(wmdp',
+)
 
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
+DEBUG = env.bool("DEBUG", default=True)
 
 ALLOWED_HOSTS = ['*']
 
@@ -40,6 +45,7 @@ INSTALLED_APPS = [
     'crispy_bootstrap5',
     'accounts.apps.AccountConfig',
     'subjects.apps.SubjectsConfig',
+    'invoices.apps.InvoicesConfig',
 ]
 
 MIDDLEWARE = [
@@ -80,7 +86,7 @@ DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.sqlite3',
         'NAME': BASE_DIR / 'db.sqlite3',
-    }
+    },
 }
 
 # Password validation

facturio/settings/development.py

@@ -0,0 +1 @@
+from facturio.settings.base import *  # noqa

facturio/settings/production.py

@@ -0,0 +1 @@
+from facturio.settings.base import *  # noqa

facturio/urls.py

@@ -15,6 +15,7 @@ urlpatterns = i18n_patterns(
     path('', landing_page, name='main-page'),
     path('accounts/', include('accounts.urls')),
     path('subjects/', include('subjects.urls')),
+    path('invoices/', include('invoices.urls')),
     path('admin/', admin.site.urls),
     prefix_default_language=False,
 )

facturio/wsgi.py

@@ -10,6 +10,9 @@ import os
 
 from django.core.wsgi import get_wsgi_application
 
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'facturio.settings')
+os.environ.setdefault(
+    'DJANGO_SETTINGS_MODULE',
+    'facturio.settings.development',
+)
 
 application = get_wsgi_application()

invoices/admin.py

@@ -0,0 +1,21 @@
+from django.contrib import admin
+
+from . import models
+
+
+class InvoiceItemInline(admin.TabularInline):
+    model = models.InvoiceItem
+    extra = 0
+    readonly_fields = [
+        'amount',
+        'amount_unit',
+        'description',
+        'price_for_amount',
+    ]
+    can_delete = False
+
+
+@admin.register(models.Invoice)
+class InvoiceAdmin(admin.ModelAdmin):
+    list_display = ['__str__', 'invoice_date']
+    inlines = [InvoiceItemInline]

invoices/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class InvoicesConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'invoices'

invoices/forms.py

@@ -0,0 +1,60 @@
+from crispy_forms import helper
+from crispy_forms import layout
+from django import forms
+from django.utils.translation import gettext_lazy as _
+
+from . import models
+from subjects import models as subject_models
+
+
+class InvoiceItemForm(forms.ModelForm):
+    class Meta:
+        model = models.InvoiceItem
+        fields = ["amount", "amount_unit", "description", "price_for_amount"]
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.helper = helper.FormHelper()
+        self.helper.form_show_labels = False
+
+
+InvoiceItemFormSet = forms.inlineformset_factory(
+    models.Invoice, models.InvoiceItem, form=InvoiceItemForm,
+    fields=["description", "amount", "amount_unit", "price_for_amount"],
+    extra=3, can_delete=False, validate_min=True, min_num=1,
+)
+
+
+class CreateInvoiceForm(forms.ModelForm):
+    class Meta:
+        model = models.Invoice
+        fields = ['customer', 'supplier', 'due_date']
+        widgets = {
+            'due_date': forms.DateInput(attrs={'type': 'date'}),
+        }
+
+    def __init__(self, *args, **kwargs):
+        self._user = kwargs.pop('current_user', None)
+
+        super().__init__(*args, **kwargs)
+
+        if self._user.supplier:
+            self.fields["supplier"].queryset = subject_models.Subject.objects.filter(
+                id=self._user.supplier.id,
+            )
+        else:
+            self.fields["supplier"].queryset = subject_models.Subject.objects.none()
+        self.fields["customer"].queryset = self._user.customers
+
+        self.helper = helper.FormHelper()
+        self.helper.form_method = 'post'
+        self.helper.add_input(layout.Submit('submit', _('Save')))
+
+    def save(self, commit=True):
+        invoice = super().save(commit=False)
+        invoice.user = self._user
+        invoice.customer_data = invoice.customer.get_latest_data()
+        invoice.supplier_data = invoice.supplier.get_latest_data()
+        if commit:
+            invoice.save()
+        return invoice

invoices/migrations/0001_initial.py

@@ -0,0 +1,126 @@
+# Generated by Django 5.0.4 on 2024-06-14 20:08
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+    initial = True
+
+    dependencies = [
+        ('subjects', '0004_remove_subject_city_remove_subject_city_part_and_more'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Invoice',
+            fields=[
+                (
+                    'id',
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name='ID',
+                    ),
+                ),
+                ('invoice_date', models.DateField(verbose_name='Invoice date')),
+                ('due_date', models.DateField(verbose_name='Due date')),
+                (
+                    'customer',
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name='+',
+                        to='subjects.subject',
+                    ),
+                ),
+                (
+                    'customer_data',
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name='+',
+                        to='subjects.subjectdata',
+                    ),
+                ),
+                (
+                    'supplier',
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name='+',
+                        to='subjects.subject',
+                    ),
+                ),
+                (
+                    'supplier_data',
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name='+',
+                        to='subjects.subjectdata',
+                    ),
+                ),
+                (
+                    'user',
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+            ],
+            options={
+                'verbose_name': 'Invoice',
+                'verbose_name_plural': 'Invoices',
+            },
+        ),
+        migrations.CreateModel(
+            name='InvoiceItem',
+            fields=[
+                (
+                    'id',
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name='ID',
+                    ),
+                ),
+                (
+                    'amount',
+                    models.DecimalField(
+                        decimal_places=3, max_digits=8, verbose_name='Amount',
+                    ),
+                ),
+                (
+                    'amount_unit',
+                    models.CharField(
+                        max_length=32, verbose_name='Amount unit',
+                    ),
+                ),
+                (
+                    'description',
+                    models.CharField(
+                        max_length=64, verbose_name='Description',
+                    ),
+                ),
+                (
+                    'price_for_amount',
+                    models.DecimalField(
+                        decimal_places=3, max_digits=8, verbose_name='Price for amount',
+                    ),
+                ),
+                (
+                    'invoice',
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name='items',
+                        to='invoices.invoice',
+                    ),
+                ),
+            ],
+            options={
+                'verbose_name': 'Invoice Item',
+                'verbose_name_plural': 'Invoice Items',
+            },
+        ),
+    ]

invoices/migrations/0002_alter_invoice_invoice_date.py

@@ -0,0 +1,21 @@
+# Generated by Django 5.0.6 on 2024-07-04 21:59
+import django.utils.timezone
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("invoices", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="invoice",
+            name="invoice_date",
+            field=models.DateField(
+                default=django.utils.timezone.now, verbose_name="Invoice date",
+            ),
+        ),
+    ]

invoices/models.py

@@ -0,0 +1,71 @@
+import decimal
+import typing
+
+from django.contrib.auth import get_user_model
+from django.db import models
+from django.utils import timezone
+from django.utils.translation import gettext_lazy as _
+
+if typing.TYPE_CHECKING:
+    from accounts.models import User
+
+from subjects import models as subject_models
+
+UserModel: 'User' = get_user_model()
+
+
+class Invoice(models.Model):
+    class Meta:
+        verbose_name = _('Invoice')
+        verbose_name_plural = _('Invoices')
+
+    user = models.ForeignKey(UserModel, models.CASCADE)
+    supplier = models.ForeignKey(
+        subject_models.Subject, on_delete=models.CASCADE, related_name='+', verbose_name=_('Supplier'),
+    )
+    supplier_data = models.ForeignKey(
+        subject_models.SubjectData, on_delete=models.CASCADE, related_name='+', verbose_name=_('Supplier data'),
+    )
+
+    customer = models.ForeignKey(
+        subject_models.Subject, on_delete=models.CASCADE, related_name='+', verbose_name=_('Customer'),
+    )
+    customer_data = models.ForeignKey(
+        subject_models.SubjectData, on_delete=models.CASCADE, related_name='+', verbose_name=_('Customer data'),
+    )
+    invoice_date = models.DateField(_('Invoice date'), default=timezone.now)
+    due_date = models.DateField(_('Due date'))
+
+    def __str__(self):
+        return f'{self.id} - {self.supplier_data.name} -> {self.customer_data.name}'
+
+    def total_price(self) -> decimal.Decimal:
+        total = decimal.Decimal(0)
+        for item in self.items.all():
+            total += item.total_price()
+        return total
+
+    def custom_id(self) -> str:
+        return f"{self.invoice_date.year}-{self.id:04}"
+
+
+class InvoiceItem(models.Model):
+    class Meta:
+        verbose_name = _('Invoice Item')
+        verbose_name_plural = _('Invoice Items')
+
+    invoice = models.ForeignKey(
+        Invoice, on_delete=models.CASCADE, related_name='items',
+    )
+    amount = models.DecimalField(_('Amount'), decimal_places=3, max_digits=8)
+    amount_unit = models.CharField(_('Amount unit'), max_length=32)
+    description = models.CharField(_('Description'), max_length=64)
+    price_for_amount = models.DecimalField(
+        _('Price for amount'), decimal_places=3, max_digits=8,
+    )
+
+    def total_price(self) -> decimal.Decimal:
+        return self.amount * self.price_for_amount
+
+    def __str__(self):
+        return f'{self.id} -> {self.invoice.id}'

invoices/static/css/invoice.css

@@ -0,0 +1,112 @@
+@import url("https://fonts.googleapis.com/css2?family=Ubuntu&display=swap");
+
+:root {
+    --font-family: "Ubuntu", sans-serif;
+    --main-color: #333;
+    --secondary-color: #888;
+    --border-color: #ddd;
+    --background-color: #fff;
+}
+
+header {
+    text-align: left;
+    margin-bottom: 20px;
+}
+
+.parties ul {
+    list-style-type: none;
+    padding: 0;
+    margin: 0;
+}
+
+.parties li {
+    margin-top: 5px;
+}
+
+.parties h2 {
+    border-bottom: 1px solid var(--border-color);
+    padding-bottom: 8px;
+    font-size: 1.2rem;
+}
+
+.invoice-id {
+    color: var(--secondary-color);
+}
+
+#invoice {
+    border-collapse: collapse;
+    width: 100%;
+}
+
+#invoice th,
+#invoice td {
+    padding: 12px;
+    text-align: left;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.invoice-total {
+    margin-top: 20px;
+    text-align: right;
+}
+
+.parties-section {
+    display: flex;
+    justify-content: space-between;
+    margin-bottom: 20px;
+}
+
+.parties {
+    width: 48%;
+}
+
+#invoice tbody tr {
+    border-bottom: 1px solid var(--border-color);
+}
+
+.small-col {
+    width: 5%;
+}
+
+.medium-col {
+    width: 15%;
+}
+
+.big-col {
+    width: 25%;
+}
+
+.right-align {
+    text-align: right;
+}
+
+footer {
+    position: fixed;
+    bottom: 0;
+    width: 100%;
+    text-align: center;
+    left: 0;
+    right: 0;
+    padding: 0;
+    margin-top: 20px;
+    color: var(--main-color);
+    background-color: var(--background-color);
+}
+
+@media print {
+    @page {
+        size: auto;
+        margin: 0;
+    }
+
+    .navbar {
+        display: none !important;
+    }
+
+    body {
+        font-family: var(--font-family), sans-serif;
+        color: var(--main-color);
+        background-color: var(--background-color);
+        margin: 10mm 10mm;
+    }
+}

invoices/static/js/formset_mngr.js

@@ -0,0 +1,55 @@
+document.addEventListener("DOMContentLoaded", (event) => {
+    const totalForms = document.getElementById("id_items-TOTAL_FORMS")
+    const initialForms = document.getElementById("id_items-INITIAL_FORMS")
+    const minForms = document.getElementById("id_items-MIN_NUM_FORMS")
+    const maxForms = document.getElementById("id_items-MAX_NUM_FORMS")
+    const formsetContainer = document.getElementById("formset-container")
+
+    console.log(totalForms.value, initialForms.value, minForms.value, maxForms.value, formsetContainer)
+
+    const renumberAll = () => {
+        let id = 0;
+        formsetContainer.querySelectorAll("tr").forEach(row => {
+            row.querySelectorAll("[name^='items-'], [id^='id_items-']").forEach(element => {
+                const namePattern = /items-(\d+)-/;
+                const idPattern = /id_items-(\d+)-/;
+                element.name = element.name.replace(namePattern, `items-${id}-`);
+                element.id = element.id.replace(idPattern, `id_items-${id}-`);
+            });
+            id += 1;
+        });
+        totalForms.value = id;  // Update the total form count
+    };
+
+    const clearValues = (node) => {
+        node.querySelectorAll("input").forEach(element => {
+            if (element.type === "checkbox" || element.type === "radio") {
+                element.checked = false;
+            } else {
+                element.value = "";
+            }
+        })
+    }
+
+    document.getElementById("add-formset-item").addEventListener("click", () => {
+        if (parseInt(totalForms.value) >= parseInt(maxForms.value)) {
+            return;
+        }
+
+        const template = formsetContainer.firstElementChild;
+        const newForm = template.cloneNode(true)
+        formsetContainer.appendChild(newForm)
+        clearValues(newForm)
+
+        renumberAll();
+    });
+
+    formsetContainer.addEventListener("click", (event) => {
+        if (event.target.classList.contains("remove-formset-item") && (parseInt(totalForms.value) > parseInt(minForms.value))) {
+            const clickedButton = event.target
+            clickedButton.closest("tr").remove()
+            renumberAll();
+        }
+    });
+
+})

invoices/templates/invoices/index.html

@@ -0,0 +1,78 @@
+{% extends "facturio/base.html" %}
+{% load crispy_forms_filters %}
+{% load static %}
+{% load i18n %}
+
+{% load crispy_forms_tags %}
+
+{% block title %}{% trans "Invoices" %}{% endblock %}
+
+{% block content %}
+    <h1>{% trans "Invoices" %}</h1>
+    <div class="container mb-4">
+        <h2>{% trans "Create invoice" %}</h2>
+        <form method="post" enctype="multipart/form-data">
+            {% csrf_token %}
+            {{ form|crispy }}
+            {{ formset.management_form }}
+            <table id="formset-table" class="table">
+                <thead>
+                <tr>
+                    {% for field in formset.empty_form.visible_fields %}
+                        <th>{{ field.label }}</th>
+                    {% endfor %}
+                    <th>{% trans "Actions" %}</th>
+                </tr>
+                </thead>
+                <tbody id="formset-container">
+                {% for formset_form in formset %}
+                    <tr class="formset-item">
+                        {% for field in formset_form.visible_fields %}
+                            <td>{{ field|as_crispy_field }}</td>
+                        {% endfor %}
+                        <td>
+                            <button type="button"
+                                    class="remove-formset-item btn btn-danger">{% trans "Remove" %}</button>
+                        </td>
+                    </tr>
+                {% endfor %}
+                </tbody>
+            </table>
+
+            <button type="button" id="add-formset-item" class="btn btn-secondary">{% trans "Add More" %}</button>
+            <button type="submit" class="btn btn-primary">{% trans "Create" %}</button>
+        </form>
+    </div>
+
+    <div class="container">
+        <h2>{% trans "Existing invoices" %}</h2>
+        <table class="table">
+            <thead>
+            <tr>
+                <th>{% trans "Invoice date" %}</th>
+                <th>{% trans "Supplier" %}</th>
+                <th>{% trans "Customer" %}</th>
+                <th>{% trans "Due date" %}</th>
+                <th></th>
+                <th></th>
+            </tr>
+            </thead>
+            <tbody>
+            {% for invoice in invoices %}
+                <tr>
+                    <td>{{ invoice.invoice_date }}</td>
+                    <td>{{ invoice.supplier_data.name }}</td>
+                    <td>{{ invoice.customer_data.name }}</td>
+                    <td>{{ invoice.due_date }}</td>
+                    <td><a href="{% url 'invoices:invoice' invoice_id=invoice.id %}"
+                           class="links">{% trans "Show" %}</a></td>
+                    <td><a href="{% url 'invoices:print_invoice' invoice_id=invoice.id %}"
+                           class="links">{% trans "Print" %}</a></td>
+                </tr>
+            {% endfor %}
+            </tbody>
+        </table>
+
+    </div>
+    <script src="{% static 'js/formset_mngr.js' %}" defer></script>
+{% endblock %}

invoices/templates/invoices/invoice.html

@@ -0,0 +1,202 @@
+{% load i18n %}
+<!DOCTYPE html>
+<html lang="cs">
+<head>
+    <meta charset="UTF-8"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
+    <title>Faktura</title>
+    <style>
+        @import url("https://fonts.googleapis.com/css2?family=Ubuntu&display=swap");
+
+        :root {
+            --font-family: "Ubuntu", sans-serif;
+            --main-color: #333;
+            --secondary-color: #888;
+            --border-color: #ddd;
+            --background-color: #fff;
+        }
+
+        body {
+            font-family: var(--font-family), sans-serif;
+            margin: 20px;
+            color: var(--main-color);
+            background-color: var(--background-color);
+        }
+
+        header {
+            text-align: left;
+            margin-bottom: 20px;
+        }
+
+        .parties ul {
+            list-style-type: none;
+            padding: 0;
+            margin: 0;
+        }
+
+        .parties li {
+            margin-top: 5px;
+        }
+
+        .parties h2 {
+            border-bottom: 1px solid var(--border-color);
+            padding-bottom: 8px;
+            font-size: 1.2rem;
+        }
+
+        .invoice-id {
+            color: var(--secondary-color);
+        }
+
+        #invoice {
+            border-collapse: collapse;
+            width: 100%;
+        }
+
+        #invoice th,
+        #invoice td {
+            padding: 12px;
+            text-align: left;
+            border-bottom: 1px solid var(--border-color);
+        }
+
+        .invoice-total {
+            margin-top: 20px;
+            text-align: right;
+        }
+
+        .parties-section {
+            display: flex;
+            justify-content: space-between;
+            margin-bottom: 20px;
+        }
+
+        .parties {
+            width: 48%;
+        }
+
+        #invoice tbody tr {
+            border-bottom: 1px solid var(--border-color);
+        }
+
+        .small-col {
+            width: 5%;
+        }
+
+        .medium-col {
+            width: 15%;
+        }
+
+        .big-col {
+            width: 25%;
+        }
+
+        .right-align {
+            text-align: right;
+        }
+
+        footer {
+            position: fixed;
+            bottom: 0;
+            width: 100%;
+            text-align: center;
+            left: 0;
+            right: 0;
+            padding: 0;
+            margin-top: 20px;
+            color: var(--main-color);
+            background-color: var(--background-color);
+        }
+
+        @media print {
+            @page {
+                size: auto;
+                margin: 0;
+            }
+
+            body {
+                margin: 10mm 10mm;
+            }
+        }
+    </style>
+</head>
+<body>
+<header>
+    <h1>{% trans "Invoice" %} <span class="invoice-id">{{ invoice.custom_id }}</span></h1>
+</header>
+
+<section class="parties-section">
+    <div class="parties">
+        <h2>{% trans "Supplier" %}</h2>
+        <ul>
+            {% with invoice.supplier_data as sd %}
+                <li>{{ sd.name }}</li>
+                <li>{{ sd.street }}</li>
+                <li>{{ sd.city }} - {{ sd.city_part }}, {{ sd.zip_code }}</li>
+                <p></p>
+                <li>{% trans "CIN" %}: {{ invoice.supplier.id }}</li>
+                {% if invoice.supplier.vat_id %}
+                    <li>{% trans "VAT ID" %}: {{ invoice.supplier.vat_id }}</li>
+                {% endif %}
+                <p></p>
+                <li>Bankovní účet: TODO</li>
+            {% endwith %}
+        </ul>
+    </div>
+
+    <div class="parties">
+        <h2>{% trans "Customer" %}</h2>
+        <ul>
+            {% with invoice.customer_data as cd %}
+                <li>{{ cd.name }}</li>
+                <li>{{ cd.street }}</li>
+                <li>{{ cd.city }} - {{ cd.city_part }}, {{ cd.zip_code }}</li>
+                <p></p>
+                <li>{% trans "CIN" %}: {{ invoice.customer.id }}</li>
+                {% if invoice.customer.vat_id %}
+                    <li>{% trans "VAT ID" %}: {{ invoice.customer.vat_id }}</li>
+                {% endif %}
+                <p></p>
+                <li><strong>{% trans "Invoice date" %}:</strong> {{ invoice.invoice_date }}</li>
+                <li><strong>{% trans "Due date" %}:</strong> {{ invoice.due_date }}</li>
+            {% endwith %}
+        </ul>
+    </div>
+</section>
+
+<section>
+    <h2>{% trans "Invoice details" %}</h2>
+    <table id="invoice">
+        <thead>
+        <tr>
+            <th class="small-col">{% trans "Amount" %}</th>
+            <th class="small-col">{% trans "Amount unit" %}</th>
+            <th class="big-col">{% trans "Description" %}</th>
+            <th class="medium-col right-align">{% trans "Price for amount" %}</th>
+            <th class="medium-col right-align">{% trans "Total" %}</th>
+        </tr>
+        </thead>
+        <tbody>
+        {% for invoice_item in invoice.items.all %}
+            <tr>
+                <td>{{ invoice_item.amount.normalize }}</td>
+                <td>{{ invoice_item.amount_unit }}</td>
+                <td>{{ invoice_item.description }}</td>
+                <td class="right-align">{{ invoice_item.price_for_amount.normalize }} Kč</td>
+                <td class="right-align">{{ invoice_item.total_price.normalize }} Kč</td>
+            </tr>
+        {% endfor %}
+        </tbody>
+    </table>
+
+    <div class="invoice-total">
+        <p><strong>{% trans "Total" %}: {{ invoice.total_price.normalize }} Kč</strong></p>
+    </div>
+</section>
+
+<footer>
+    <p>Fyzická osoba zapsaná v živnostenském rejstříku.</p>
+    <p>Fakturu vygenerovala aplikace Facturio</p>
+</footer>
+</body>
+</html>

invoices/templates/invoices/view.html

@@ -0,0 +1,85 @@
+{% extends "facturio/base.html" %}
+{% load static %}
+{% load i18n %}
+{% block title %}{% trans "Invoice" %}{% endblock %}
+{% block head %}
+    <link rel="stylesheet" href="{% static "css/invoice.css" %}">
+{% endblock %}
+{% block content %}
+    <header>
+        <h1>{% trans "Invoice" %} <span class="invoice-id">{{ invoice.custom_id }}</span></h1>
+    </header>
+    <section class="parties-section">
+        <div class="parties">
+            <h2>{% trans "Supplier" %}</h2>
+            <ul>
+                {% with invoice.supplier_data as sd %}
+                    <li>{{ sd.name }}</li>
+                    <li>{{ sd.street }}</li>
+                    <li>{{ sd.city }} - {{ sd.city_part }}, {{ sd.zip_code }}</li>
+                    <p></p>
+                    <li>{% trans "CIN" %}: {{ invoice.supplier.id }}</li>
+                    {% if invoice.supplier.vat_id %}
+                        <li>{% trans "VAT ID" %}: {{ invoice.supplier.vat_id }}</li>
+                    {% endif %}
+                    <p></p>
+                    <li>Bankovní účet: TODO</li>
+                {% endwith %}
+            </ul>
+        </div>
+
+        <div class="parties">
+            <h2>{% trans "Customer" %}</h2>
+            <ul>
+                {% with invoice.customer_data as cd %}
+                    <li>{{ cd.name }}</li>
+                    <li>{{ cd.street }}</li>
+                    <li>{{ cd.city }} - {{ cd.city_part }}, {{ cd.zip_code }}</li>
+                    <p></p>
+                    <li>{% trans "CIN" %}: {{ invoice.customer.id }}</li>
+                    {% if invoice.customer.vat_id %}
+                        <li>{% trans "VAT ID" %}: {{ invoice.customer.vat_id }}</li>
+                    {% endif %}
+                    <p></p>
+                    <li><strong>{% trans "Invoice date" %}:</strong> {{ invoice.invoice_date }}</li>
+                    <li><strong>{% trans "Due date" %}:</strong> {{ invoice.due_date }}</li>
+                {% endwith %}
+            </ul>
+        </div>
+    </section>
+
+    <section>
+        <h2>{% trans "Invoice details" %}</h2>
+        <table id="invoice">
+            <thead>
+            <tr>
+                <th class="small-col">{% trans "Amount" %}</th>
+                <th class="small-col">{% trans "Amount unit" %}</th>
+                <th class="big-col">{% trans "Description" %}</th>
+                <th class="medium-col right-align">{% trans "Price for amount" %}</th>
+                <th class="medium-col right-align">{% trans "Total" %}</th>
+            </tr>
+            </thead>
+            <tbody>
+            {% for invoice_item in invoice.items.all %}
+                <tr>
+                    <td>{{ invoice_item.amount.normalize }}</td>
+                    <td>{{ invoice_item.amount_unit }}</td>
+                    <td>{{ invoice_item.description }}</td>
+                    <td class="right-align">{{ invoice_item.price_for_amount.normalize }} Kč</td>
+                    <td class="right-align">{{ invoice_item.total_price.normalize }} Kč</td>
+                </tr>
+            {% endfor %}
+            </tbody>
+        </table>
+
+        <div class="invoice-total">
+            <p><strong>{% trans "Total" %}: {{ invoice.total_price.normalize }} Kč</strong></p>
+        </div>
+    </section>
+
+    <footer>
+        <p>Fyzická osoba zapsaná v živnostenském rejstříku.</p>
+        <p>Fakturu vygenerovala aplikace Facturio</p>
+    </footer>
+{% endblock %}

invoices/tests.py

@@ -0,0 +1 @@
+# Create your tests here.

invoices/urls.py

@@ -0,0 +1,11 @@
+from django.urls import path
+
+from . import views
+
+app_name = 'invoices'
+
+urlpatterns = [
+    path('', views.home, name='index'),
+    path('<int:invoice_id>', views.view_invoice, name='invoice'),
+    path('print/<int:invoice_id>', views.print_invoice, name='print_invoice'),
+]

invoices/views.py

@@ -0,0 +1,52 @@
+from django.contrib.auth.decorators import login_required
+from django.db import transaction
+from django.http import HttpRequest
+from django.http import HttpResponse
+from django.shortcuts import redirect
+from django.shortcuts import render
+from django.urls import reverse
+
+from . import forms
+from . import models
+
+
+@login_required
+def home(req: HttpRequest) -> HttpResponse:
+    user_invoices = models.Invoice.objects.filter(user=req.user).all()
+
+    if req.method == 'POST':
+        form = forms.CreateInvoiceForm(data=req.POST, current_user=req.user)
+        if form.is_valid():
+            with transaction.atomic():
+                invoice = form.save()
+                formset = forms.InvoiceItemFormSet(
+                    data=req.POST, instance=invoice,
+                )
+                if formset.is_valid():
+                    formset.save()
+                    return redirect(reverse('invoices:invoice', kwargs=dict(invoice_id=invoice.id)))
+                else:
+                    transaction.set_rollback(True)
+        else:
+            formset = forms.InvoiceItemFormSet(data=req.POST)
+
+        return render(req, 'invoices/index.html', dict(form=form, formset=formset, invoices=user_invoices))
+
+    elif req.method == 'GET':
+        form = forms.CreateInvoiceForm(current_user=req.user)
+        formset = forms.InvoiceItemFormSet()
+        return render(req, 'invoices/index.html', dict(form=form, formset=formset, invoices=user_invoices))
+
+    return HttpResponse(status=405)
+
+
+@login_required
+def view_invoice(req: HttpRequest, invoice_id: int) -> HttpResponse:
+    invoice = models.Invoice.objects.get(pk=invoice_id)
+    return render(req, 'invoices/view.html', dict(invoice=invoice))
+
+
+@login_required
+def print_invoice(req: HttpRequest, invoice_id: int):
+    invoice = models.Invoice.objects.get(pk=invoice_id)
+    return render(req, 'invoices/invoice.html', dict(invoice=invoice))

locale/cs/LC_MESSAGES/django.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-02-01 20:43+0000\n"
+"POT-Creation-Date: 2024-08-16 18:53+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -19,18 +19,18 @@ msgstr ""
 "Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n >= 2 && n "
 "<= 4 && n % 1 == 0) ? 1: (n % 1 != 0 ) ? 2 : 3;\n"
 
-#: accounts/admin.py:12 subjects/models.py:9
+#: accounts/admin.py:12 subjects/models.py:8
-#: subjects/templates/subjects/index.html:4 templates/facturio/base.html:20
+#: subjects/templates/subjects/index.html:6 templates/facturio/base.html:21
 msgid "Subjects"
 msgstr "Subjekty"
 
-#: accounts/forms.py:17 accounts/templates/account/login.html:6
+#: accounts/forms.py:16 accounts/templates/account/login.html:6
-#: templates/facturio/base.html:42
+#: templates/facturio/base.html:41
 msgid "Login"
 msgstr "Přihlásit se"
 
 #: accounts/forms.py:30 accounts/templates/account/register.html:6
-#: templates/facturio/base.html:45
+#: templates/facturio/base.html:44
 msgid "Register"
 msgstr "Registrovat se"
 
@@ -46,6 +46,14 @@ msgstr "přijmení"
 msgid "email address"
 msgstr "emailová adresa"
 
+#: accounts/models.py:16
+msgid "supplier"
+msgstr "dodavatel"
+
+#: accounts/models.py:19
+msgid "customers"
+msgstr "odběratelé"
+
 #: accounts/templates/account/me.html:4 accounts/templates/account/me.html:7
 msgid "About Me"
 msgstr "O mně"
@@ -65,95 +73,252 @@ msgstr "Uživatelské jméno: %(username)s"
 msgid "Email: %(email)s"
 msgstr "Email: %(email)s"
 
-#: accounts/templates/account/me.html:24
+#: accounts/templates/account/me.html:24 subjects/forms.py:53
-msgid "Linked subjects"
+msgid "Current supplier"
-msgstr "Propojené Subjekty"
+msgstr "Aktuální dodavatel"
 
-#: facturio/settings.py:109
+#: accounts/templates/account/me.html:34
+#: subjects/templates/subjects/index.html:11
+#: subjects/templates/subjects/index.html:22
+#: subjects/templates/subjects/index.html:60
+msgid "Customers"
+msgstr "Zákazníci"
+
+#: facturio/settings/base.py:114
 msgid "English"
 msgstr "Angličtina"
 
-#: facturio/settings.py:110
+#: facturio/settings/base.py:114
 msgid "Czech"
 msgstr "Čeština"
 
-#: subjects/forms.py:14
+#: invoices/forms.py:51 subjects/forms.py:66
-msgid "Your provided CIN is not correct."
+msgid "Save"
-msgstr "Vaše poskytnuté IČO není správné."
+msgstr "Uložit"
 
-#: subjects/forms.py:15
+#: invoices/models.py:19 invoices/templates/invoices/invoice.html:125
-msgid "Subject with provided CIN already exists."
+#: invoices/templates/invoices/view.html:4
-msgstr "Subjekt s poskytnutým IČO již existuje."
+#: invoices/templates/invoices/view.html:10
+msgid "Invoice"
+msgstr "Faktura"
 
-#: subjects/forms.py:18 subjects/models.py:12
+#: invoices/models.py:20 invoices/templates/invoices/index.html:8
-#: subjects/templates/subjects/index.html:11
+#: invoices/templates/invoices/index.html:11 templates/facturio/base.html:24
+msgid "Invoices"
+msgstr "Faktury"
+
+#: invoices/models.py:24 invoices/templates/invoices/index.html:53
+#: invoices/templates/invoices/invoice.html:130
+#: invoices/templates/invoices/view.html:14
+msgid "Supplier"
+msgstr "Dodavatel"
+
+#: invoices/models.py:27
+msgid "Supplier data"
+msgstr "Informace o dodavateli"
+
+#: invoices/models.py:31 invoices/templates/invoices/index.html:54
+#: invoices/templates/invoices/invoice.html:148
+#: invoices/templates/invoices/view.html:32
+msgid "Customer"
+msgstr "Zákazník"
+
+#: invoices/models.py:34
+msgid "Customer data"
+msgstr "Informace o zákazníkovi"
+
+#: invoices/models.py:36 invoices/templates/invoices/index.html:52
+#: invoices/templates/invoices/invoice.html:160
+#: invoices/templates/invoices/view.html:44
+msgid "Invoice date"
+msgstr "Datum vystavení"
+
+#: invoices/models.py:37 invoices/templates/invoices/index.html:55
+#: invoices/templates/invoices/invoice.html:161
+#: invoices/templates/invoices/view.html:45
+msgid "Due date"
+msgstr "Datum splatnosti"
+
+#: invoices/models.py:53
+msgid "Invoice Item"
+msgstr "Prvek faktury"
+
+#: invoices/models.py:54
+msgid "Invoice Items"
+msgstr "Prvky Faktury"
+
+#: invoices/models.py:59 invoices/templates/invoices/invoice.html:172
+#: invoices/templates/invoices/view.html:56
+msgid "Amount"
+msgstr "Množství"
+
+#: invoices/models.py:60 invoices/templates/invoices/invoice.html:173
+#: invoices/templates/invoices/view.html:57
+msgid "Amount unit"
+msgstr "Množstevní jednotka"
+
+#: invoices/models.py:61 invoices/templates/invoices/invoice.html:174
+#: invoices/templates/invoices/view.html:58
+msgid "Description"
+msgstr "Popis"
+
+#: invoices/models.py:63 invoices/templates/invoices/invoice.html:175
+#: invoices/templates/invoices/view.html:59
+msgid "Price for amount"
+msgstr "Cena za MJ"
+
+#: invoices/templates/invoices/index.html:13
+msgid "Create invoice"
+msgstr "Vytvořit fakturu"
+
+#: invoices/templates/invoices/index.html:24
+msgid "Actions"
+msgstr "Akce"
+
+#: invoices/templates/invoices/index.html:35
+msgid "Remove"
+msgstr "Odebrat"
+
+#: invoices/templates/invoices/index.html:42
+msgid "Add More"
+msgstr "Přidat další"
+
+#: invoices/templates/invoices/index.html:43
+msgid "Create"
+msgstr "Vytvořit"
+
+#: invoices/templates/invoices/index.html:48
+msgid "Existing invoices"
+msgstr "Existující faktury"
+
+#: invoices/templates/invoices/index.html:68
+msgid "Show"
+msgstr "Zobrazit"
+
+#: invoices/templates/invoices/index.html:70
+msgid "Print"
+msgstr "Tisk"
+
+#: invoices/templates/invoices/invoice.html:137
+#: invoices/templates/invoices/invoice.html:155
+#: invoices/templates/invoices/view.html:21
+#: invoices/templates/invoices/view.html:39 subjects/forms.py:20
+#: subjects/models.py:10 subjects/templates/subjects/index.html:15
+#: subjects/templates/subjects/index.html:53
 msgid "CIN"
 msgstr "IČO"
 
-#: subjects/forms.py:20
+#: invoices/templates/invoices/invoice.html:139
-msgid "Enter the subject CIN, rest will be generated automatically"
+#: invoices/templates/invoices/invoice.html:157
-msgstr "Zadejte IČO subjektu, zbytek bude generován automaticky"
+#: invoices/templates/invoices/view.html:23
-
+#: invoices/templates/invoices/view.html:41 subjects/models.py:12
-#: subjects/forms.py:28
+#: subjects/templates/subjects/index.html:16
-msgid "Add"
+#: subjects/templates/subjects/index.html:54
-msgstr "Vytvořit"
-
-#: subjects/models.py:8
-msgid "Subject"
-msgstr "Subjekt"
-
-#: subjects/models.py:18 subjects/templates/subjects/index.html:12
-msgid "Name"
-msgstr "Jméno"
-
-#: subjects/models.py:23 subjects/templates/subjects/index.html:13
 msgid "VAT ID"
 msgstr "DIČ"
 
-#: subjects/models.py:30 subjects/templates/subjects/index.html:14
+#: invoices/templates/invoices/invoice.html:168
+#: invoices/templates/invoices/view.html:52
+msgid "Invoice details"
+msgstr "Detaily faktury"
+
+#: invoices/templates/invoices/invoice.html:176
+#: invoices/templates/invoices/invoice.html:193
+#: invoices/templates/invoices/view.html:60
+#: invoices/templates/invoices/view.html:77
+msgid "Total"
+msgstr "Celkem"
+
+#: subjects/forms.py:16
+msgid "Your provided CIN is not correct."
+msgstr "Vaše poskytnuté IČO není správné."
+
+#: subjects/forms.py:17
+msgid "Subject with provided CIN already exists."
+msgstr "Subjekt s poskytnutým IČO již existuje."
+
+#: subjects/forms.py:23
+msgid "Enter the subject CIN, rest will be generated automatically"
+msgstr "Zadejte IČO subjektu, zbytek bude generován automaticky"
+
+#: subjects/forms.py:32
+msgid "Add"
+msgstr "Vytvořit"
+
+#: subjects/models.py:7
+msgid "Subject"
+msgstr "Subjekt"
+
+#: subjects/models.py:26
+msgid "Subject Data"
+msgstr "Data Subjektu"
+
+#: subjects/models.py:27
+msgid "Subject Datas"
+msgstr "Data Subjektů"
+
+#: subjects/models.py:32 subjects/templates/subjects/index.html:17
+#: subjects/templates/subjects/index.html:55
+msgid "Name"
+msgstr "Jméno"
+
+#: subjects/models.py:33 subjects/templates/subjects/index.html:20
+#: subjects/templates/subjects/index.html:58
 msgid "Street"
 msgstr "Ulice"
 
-#: subjects/models.py:35 subjects/templates/subjects/index.html:15
+#: subjects/models.py:34 subjects/templates/subjects/index.html:21
+#: subjects/templates/subjects/index.html:59
 msgid "Zip Code"
 msgstr "PSČ"
 
-#: subjects/models.py:40 subjects/templates/subjects/index.html:16
+#: subjects/models.py:35 subjects/templates/subjects/index.html:18
+#: subjects/templates/subjects/index.html:56
 msgid "City"
 msgstr "Město"
 
-#: subjects/models.py:45 subjects/templates/subjects/index.html:17
+#: subjects/models.py:37 subjects/templates/subjects/index.html:19
+#: subjects/templates/subjects/index.html:57
 msgid "City part"
 msgstr "Část města"
 
+#: subjects/models.py:39
+msgid "Created date"
+msgstr "Datum vytvoření"
+
 #: subjects/templates/subjects/create.html:6
 msgid "Create Subjects"
 msgstr "Vytvořit Subjekty"
 
-#: subjects/templates/subjects/index.html:7
+#: subjects/templates/subjects/index.html:31
+#: subjects/templates/subjects/index.html:69
+msgid "None"
+msgstr "Žádný"
+
+#: subjects/templates/subjects/index.html:40
+msgid "Cancel"
+msgstr "Zrušit"
+
+#: subjects/templates/subjects/index.html:48
+msgid "Others"
+msgstr "Ostatní"
+
+#: subjects/templates/subjects/index.html:49
 msgid "Add new"
 msgstr "Přidat nový"
 
-#: subjects/templates/subjects/index.html:18
+#: subjects/templates/subjects/index.html:78
-msgid "Connect"
+msgid "Select"
-msgstr "Propojit"
+msgstr "Vybrat"
-
-#: subjects/templates/subjects/index.html:35
-msgid "Link"
-msgstr "Propojit"
-
-#: subjects/templates/subjects/index.html:38
-msgid "Unlink"
-msgstr "Odpojit"
 
 #: templates/facturio/base.html:8 templates/facturio/index.html:4
 msgid "App"
 msgstr "Aplikace"
 
-#: templates/facturio/base.html:34
+#: templates/facturio/base.html:33
 msgid "Profile"
 msgstr "Profil"
 
-#: templates/facturio/base.html:37
+#: templates/facturio/base.html:36
 msgid "Logout"
 msgstr "Odhlásit se"

manage.py

@@ -6,14 +6,17 @@ import sys
 
 def main():
     """Run administrative tasks."""
-    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'facturio.settings')
+    os.environ.setdefault(
+        'DJANGO_SETTINGS_MODULE',
+        'facturio.settings.development',
+    )
     try:
         from django.core.management import execute_from_command_line
     except ImportError as exc:
         raise ImportError(
             "Couldn't import Django. Are you sure it's installed and "
             'available on your PYTHONPATH environment variable? Did you '
-            'forget to activate a virtual environment?'
+            'forget to activate a virtual environment?',
         ) from exc
     execute_from_command_line(sys.argv)
 

poetry.lock

@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
 
 [[package]]
 name = "ares-util"
@@ -16,13 +16,13 @@ requests = "*"
 
 [[package]]
 name = "asgiref"
-version = "3.7.2"
+version = "3.8.1"
 description = "ASGI specs, helper code, and adapters"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "asgiref-3.7.2-py3-none-any.whl", hash = "sha256:89b2ef2247e3b562a16eef663bc0e2e703ec6468e2fa8a5cd61cd449786d4f6e"},
+    {file = "asgiref-3.8.1-py3-none-any.whl", hash = "sha256:3e1e3ecc849832fe52ccf2cb6686b7a55f82bb1d6aee72a58826471390335e47"},
-    {file = "asgiref-3.7.2.tar.gz", hash = "sha256:9e0ce3aa93a819ba5b45120216b23878cf6e8525eb3848653452b4192b92afed"},
+    {file = "asgiref-3.8.1.tar.gz", hash = "sha256:c343bd80a0bec947a9860adb4c432ffa7db769836c64238fc34bdc3fec84d590"},
 ]
 
 [package.extras]
@@ -30,13 +30,13 @@ tests = ["mypy (>=0.800)", "pytest", "pytest-asyncio"]
 
 [[package]]
 name = "certifi"
-version = "2023.11.17"
+version = "2024.6.2"
 description = "Python package for providing Mozilla's CA Bundle."
 optional = false
 python-versions = ">=3.6"
 files = [
-    {file = "certifi-2023.11.17-py3-none-any.whl", hash = "sha256:e036ab49d5b79556f99cfc2d9320b34cfbe5be05c5871b51de9329f0603b0474"},
+    {file = "certifi-2024.6.2-py3-none-any.whl", hash = "sha256:ddc6c8ce995e6987e7faf5e3f1b02b302836a0e5d98ece18392cb1a36c72ad56"},
-    {file = "certifi-2023.11.17.tar.gz", hash = "sha256:9b469f3a900bf28dc19b8cfbf8019bf47f7fdd1a65a1d4ffb98fc14166beb4d1"},
+    {file = "certifi-2024.6.2.tar.gz", hash = "sha256:3cd43f1c6fa7dedc5899d69d3ad0398fd018ad1a17fba83ddaf78aa46c747516"},
 ]
 
 [[package]]
@@ -158,13 +158,13 @@ test = ["pytest", "pytest-django"]
 
 [[package]]
 name = "django"
-version = "5.0.1"
+version = "5.0.6"
 description = "A high-level Python web framework that encourages rapid development and clean, pragmatic design."
 optional = false
 python-versions = ">=3.10"
 files = [
-    {file = "Django-5.0.1-py3-none-any.whl", hash = "sha256:f47a37a90b9bbe2c8ec360235192c7fddfdc832206fcf618bb849b39256affc1"},
+    {file = "Django-5.0.6-py3-none-any.whl", hash = "sha256:8363ac062bb4ef7c3f12d078f6fa5d154031d129a15170a1066412af49d30905"},
-    {file = "Django-5.0.1.tar.gz", hash = "sha256:8c8659665bc6e3a44fefe1ab0a291e5a3fb3979f9a8230be29de975e57e8f854"},
+    {file = "Django-5.0.6.tar.gz", hash = "sha256:ff1b61005004e476e0aeea47c7f79b85864c70124030e95146315396f1e7951f"},
 ]
 
 [package.dependencies]
@@ -190,26 +190,42 @@ files = [
 [package.dependencies]
 django = ">=4.2"
 
+[[package]]
+name = "django-environ"
+version = "0.11.2"
+description = "A package that allows you to utilize 12factor inspired environment variables to configure your Django application."
+optional = false
+python-versions = ">=3.6,<4"
+files = [
+    {file = "django-environ-0.11.2.tar.gz", hash = "sha256:f32a87aa0899894c27d4e1776fa6b477e8164ed7f6b3e410a62a6d72caaf64be"},
+    {file = "django_environ-0.11.2-py2.py3-none-any.whl", hash = "sha256:0ff95ab4344bfeff693836aa978e6840abef2e2f1145adff7735892711590c05"},
+]
+
+[package.extras]
+develop = ["coverage[toml] (>=5.0a4)", "furo (>=2021.8.17b43,<2021.9.dev0)", "pytest (>=4.6.11)", "sphinx (>=3.5.0)", "sphinx-notfound-page"]
+docs = ["furo (>=2021.8.17b43,<2021.9.dev0)", "sphinx (>=3.5.0)", "sphinx-notfound-page"]
+testing = ["coverage[toml] (>=5.0a4)", "pytest (>=4.6.11)"]
+
 [[package]]
 name = "idna"
-version = "3.6"
+version = "3.7"
 description = "Internationalized Domain Names in Applications (IDNA)"
 optional = false
 python-versions = ">=3.5"
 files = [
-    {file = "idna-3.6-py3-none-any.whl", hash = "sha256:c05567e9c24a6b9faaa835c4821bad0590fbb9d5779e7caa6e1cc4978e7eb24f"},
+    {file = "idna-3.7-py3-none-any.whl", hash = "sha256:82fee1fc78add43492d3a1898bfa6d8a904cc97d8427f683ed8e798d07761aa0"},
-    {file = "idna-3.6.tar.gz", hash = "sha256:9ecdbbd083b06798ae1e86adcbfe8ab1479cf864e4ee30fe4e46a003d12491ca"},
+    {file = "idna-3.7.tar.gz", hash = "sha256:028ff3aadf0609c1fd278d8ea3089299412a7a8b9bd005dd08b9f8285bcb5cfc"},
 ]
 
 [[package]]
 name = "requests"
-version = "2.31.0"
+version = "2.32.3"
 description = "Python HTTP for Humans."
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "requests-2.31.0-py3-none-any.whl", hash = "sha256:58cd2187c01e70e6e26505bca751777aa9f2ee0b7f4300988b709f44e013003f"},
+    {file = "requests-2.32.3-py3-none-any.whl", hash = "sha256:70761cfe03c773ceb22aa2f671b4757976145175cdfca038c02654d061d6dcc6"},
-    {file = "requests-2.31.0.tar.gz", hash = "sha256:942c5a758f98d790eaed1a29cb6eefc7ffb0d1cf7af05c3d2791656dbd6ad1e1"},
+    {file = "requests-2.32.3.tar.gz", hash = "sha256:55365417734eb18255590a9ff9eb97e9e1da868d4ccd6402399eaf68af20a760"},
 ]
 
 [package.dependencies]
@@ -224,48 +240,48 @@ use-chardet-on-py3 = ["chardet (>=3.0.2,<6)"]
 
 [[package]]
 name = "sqlparse"
-version = "0.4.4"
+version = "0.5.0"
 description = "A non-validating SQL parser."
 optional = false
-python-versions = ">=3.5"
+python-versions = ">=3.8"
 files = [
-    {file = "sqlparse-0.4.4-py3-none-any.whl", hash = "sha256:5430a4fe2ac7d0f93e66f1efc6e1338a41884b7ddf2a350cedd20ccc4d9d28f3"},
+    {file = "sqlparse-0.5.0-py3-none-any.whl", hash = "sha256:c204494cd97479d0e39f28c93d46c0b2d5959c7b9ab904762ea6c7af211c8663"},
-    {file = "sqlparse-0.4.4.tar.gz", hash = "sha256:d446183e84b8349fa3061f0fe7f06ca94ba65b426946ffebe6e3e8295332420c"},
+    {file = "sqlparse-0.5.0.tar.gz", hash = "sha256:714d0a4932c059d16189f58ef5411ec2287a4360f17cdd0edd2d09d4c5087c93"},
 ]
 
 [package.extras]
-dev = ["build", "flake8"]
+dev = ["build", "hatch"]
 doc = ["sphinx"]
-test = ["pytest", "pytest-cov"]
 
 [[package]]
 name = "tzdata"
-version = "2023.4"
+version = "2024.1"
 description = "Provider of IANA time zone data"
 optional = false
 python-versions = ">=2"
 files = [
-    {file = "tzdata-2023.4-py2.py3-none-any.whl", hash = "sha256:aa3ace4329eeacda5b7beb7ea08ece826c28d761cda36e747cfbf97996d39bf3"},
+    {file = "tzdata-2024.1-py2.py3-none-any.whl", hash = "sha256:9068bc196136463f5245e51efda838afa15aaeca9903f49050dfa2679db4d252"},
-    {file = "tzdata-2023.4.tar.gz", hash = "sha256:dd54c94f294765522c77399649b4fefd95522479a664a0cec87f41bebc6148c9"},
+    {file = "tzdata-2024.1.tar.gz", hash = "sha256:2674120f8d891909751c38abcdfd386ac0a5a1127954fbc332af6b5ceae07efd"},
 ]
 
 [[package]]
 name = "urllib3"
-version = "2.1.0"
+version = "2.2.1"
 description = "HTTP library with thread-safe connection pooling, file post, and more."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "urllib3-2.1.0-py3-none-any.whl", hash = "sha256:55901e917a5896a349ff771be919f8bd99aff50b79fe58fec595eb37bbc56bb3"},
+    {file = "urllib3-2.2.1-py3-none-any.whl", hash = "sha256:450b20ec296a467077128bff42b73080516e71b56ff59a60a02bef2232c4fa9d"},
-    {file = "urllib3-2.1.0.tar.gz", hash = "sha256:df7aa8afb0148fa78488e7899b2c59b5f4ffcfa82e6c54ccb9dd37c1d7b52d54"},
+    {file = "urllib3-2.2.1.tar.gz", hash = "sha256:d0570876c61ab9e520d776c38acbbb5b05a776d3f9ff98a5c8fd5162a444cf19"},
 ]
 
 [package.extras]
 brotli = ["brotli (>=1.0.9)", "brotlicffi (>=0.8.0)"]
+h2 = ["h2 (>=4,<5)"]
 socks = ["pysocks (>=1.5.6,!=1.5.7,<2.0)"]
 zstd = ["zstandard (>=0.18.0)"]
 
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.12"
-content-hash = "cf882708b341170fa02db4115bf2eeec4f2d0a97e468ab04136f4391ca1f9d20"
+content-hash = "fc91f96209fbdf439cf9da459e6b98e3897b9672d0250bc97a7622a190006ff4"

pyproject.toml

@@ -12,6 +12,7 @@ django = "^5.0"
 crispy-bootstrap5 = "^2023.10"
 django-crispy-forms = "^2.1"
 ares-util = "^0.3.0"
+django-environ = "^0.11.2"
 
 
 [build-system]

subjects/admin.py

@@ -1,8 +1,24 @@
 from django.contrib import admin
 
-from . import models
+from .models import Subject
+from .models import SubjectData
 
 
-@admin.register(models.Subject)
+class SubjectDataInline(admin.TabularInline):
+    model = SubjectData
+    extra = 0  # is removes the extra empty forms
+    readonly_fields = [
+        'name',
+        'street',
+        'zip_code',
+        'city',
+        'city_part',
+        'created_date',
+    ]
+    can_delete = False  # Optional: Prevent deletion in the inline
+
+
+@admin.register(Subject)
 class SubjectAdmin(admin.ModelAdmin):
-    list_display = ['id', 'name', 'city', 'city_part', 'zip_code']
+    list_display = ['id', 'vat_id']
+    inlines = [SubjectDataInline]

subjects/forms.py

@@ -8,6 +8,7 @@ from django.forms import fields
 from django.utils.translation import gettext_lazy as _
 
 from . import models
+from accounts.models import User
 
 
 class CreateSubjectForm(forms.Form):
@@ -18,7 +19,9 @@ class CreateSubjectForm(forms.Form):
     cin = fields.CharField(
         label=_('CIN'),
         max_length=8,
-        help_text=_('Enter the subject CIN, rest will be generated automatically'),
+        help_text=_(
+            'Enter the subject CIN, rest will be generated automatically',
+        ),
     )
 
     def __init__(self, *args, **kwargs):
@@ -41,3 +44,23 @@ class CreateSubjectForm(forms.Form):
             return cin
 
         raise ValidationError(self.error_messages['already_existing'])
+
+
+class SelectSubjectForm(forms.ModelForm):
+    class Meta:
+        model = User
+        fields = ('supplier',)
+        labels = {'supplier': _('Current supplier')}
+
+    def __init__(self, *args, **kwargs):
+        self._user = kwargs.pop('current_user', None)
+        super().__init__(*args, **kwargs)
+
+        self.fields["supplier"].queryset = models.Subject.objects.exclude(
+            id__in=self._user.get_customers(),
+        )
+
+        self.helper = helper.FormHelper()
+        self.helper.form_action = 'subjects:list'
+        self.helper.form_method = 'post'
+        self.helper.add_input(layout.Submit('submit', _('Save')))

subjects/migrations/0001_initial.py

@@ -25,7 +25,7 @@ class Migration(migrations.Migration):
                 (
                     'vat_id',
                     models.CharField(
-                        blank=True, max_length=12, null=True, verbose_name='vat_id'
+                        blank=True, max_length=12, null=True, verbose_name='vat_id',
                     ),
                 ),
                 ('street', models.CharField(max_length=64, verbose_name='street')),
@@ -34,7 +34,7 @@ class Migration(migrations.Migration):
                 (
                     'city_part',
                     models.CharField(
-                        blank=True, max_length=64, null=True, verbose_name='city_part'
+                        blank=True, max_length=64, null=True, verbose_name='city_part',
                     ),
                 ),
             ],

subjects/migrations/0002_alter_subject_city_alter_subject_city_part_and_more.py

@@ -18,14 +18,14 @@ class Migration(migrations.Migration):
             model_name='subject',
             name='city_part',
             field=models.CharField(
-                blank=True, max_length=64, null=True, verbose_name='City part'
+                blank=True, max_length=64, null=True, verbose_name='City part',
             ),
         ),
         migrations.AlterField(
             model_name='subject',
             name='id',
             field=models.CharField(
-                max_length=8, primary_key=True, serialize=False, verbose_name='CIN'
+                max_length=8, primary_key=True, serialize=False, verbose_name='CIN',
             ),
         ),
         migrations.AlterField(
@@ -42,7 +42,7 @@ class Migration(migrations.Migration):
             model_name='subject',
             name='vat_id',
             field=models.CharField(
-                blank=True, max_length=12, null=True, verbose_name='VAT ID'
+                blank=True, max_length=12, null=True, verbose_name='VAT ID',
             ),
         ),
         migrations.AlterField(

subjects/migrations/0003_alter_subject_options.py

@@ -10,6 +10,9 @@ class Migration(migrations.Migration):
     operations = [
         migrations.AlterModelOptions(
             name='subject',
-            options={'verbose_name': 'Subject', 'verbose_name_plural': 'Subjects'},
+            options={
+                'verbose_name': 'Subject',
+                'verbose_name_plural': 'Subjects',
+            },
         ),
     ]

subjects/migrations/0004_remove_subject_city_remove_subject_city_part_and_more.py

@@ -0,0 +1,74 @@
+# Generated by Django 5.0.4 on 2024-06-14 20:08
+import django.db.models.deletion
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('subjects', '0003_alter_subject_options'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='subject',
+            name='city',
+        ),
+        migrations.RemoveField(
+            model_name='subject',
+            name='city_part',
+        ),
+        migrations.RemoveField(
+            model_name='subject',
+            name='name',
+        ),
+        migrations.RemoveField(
+            model_name='subject',
+            name='street',
+        ),
+        migrations.RemoveField(
+            model_name='subject',
+            name='zip_code',
+        ),
+        migrations.CreateModel(
+            name='SubjectData',
+            fields=[
+                (
+                    'id',
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name='ID',
+                    ),
+                ),
+                ('name', models.CharField(max_length=128, verbose_name='Name')),
+                ('street', models.CharField(max_length=64, verbose_name='Street')),
+                ('zip_code', models.CharField(max_length=6, verbose_name='Zip Code')),
+                ('city', models.CharField(max_length=64, verbose_name='City')),
+                (
+                    'city_part',
+                    models.CharField(
+                        blank=True, max_length=64, null=True, verbose_name='City part',
+                    ),
+                ),
+                (
+                    'created_date',
+                    models.DateTimeField(
+                        auto_now_add=True, verbose_name='Created date',
+                    ),
+                ),
+                (
+                    'subject',
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to='subjects.subject',
+                    ),
+                ),
+            ],
+            options={
+                'verbose_name': 'Subject Data',
+                'verbose_name_plural': 'Subject Datas',
+            },
+        ),
+    ]

subjects/migrations/0005_alter_subjectdata_subject.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.0.6 on 2024-07-04 21:59
+import django.db.models.deletion
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("subjects", "0004_remove_subject_city_remove_subject_city_part_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="subjectdata",
+            name="subject",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="subject_data",
+                to="subjects.subject",
+            ),
+        ),
+    ]

subjects/models.py

@@ -8,30 +8,35 @@ class Subject(models.Model):
         verbose_name_plural = _('Subjects')
 
     id = models.CharField(_('CIN'), max_length=8, primary_key=True)
-
+    vat_id = models.CharField(
-    name = models.CharField(_('Name'), max_length=128)
+        _('VAT ID'), max_length=12, null=True, blank=True,
-
-    vat_id = models.CharField(_('VAT ID'), max_length=12, null=True, blank=True)
-
-    street = models.CharField(
-        _('Street'),
-        max_length=64,
     )
 
-    zip_code = models.CharField(
+    def get_latest_data(self):
-        _('Zip Code'),
+        return self.subject_data.filter(subject=self).order_by(
-        max_length=6,
+            '-created_date',
-    )
+        ).first()
-
-    city = models.CharField(
-        _('City'),
-        max_length=64,
-    )
-
-    city_part = models.CharField(_('City part'), max_length=64, null=True, blank=True)
 
     def __str__(self):
-        return self.name
+        return f'{self.id} - {self.get_latest_data().name}'
 
-    def get_linked_users(self) -> list[int]:
+
-        return list(self.user_set.values_list('id', flat=True))
+class SubjectData(models.Model):
+    class Meta:
+        verbose_name = _('Subject Data')
+        verbose_name_plural = _('Subject Datas')
+
+    subject = models.ForeignKey(
+        Subject, on_delete=models.CASCADE, related_name='subject_data',
+    )
+    name = models.CharField(_('Name'), max_length=128)
+    street = models.CharField(_('Street'), max_length=64)
+    zip_code = models.CharField(_('Zip Code'), max_length=6)
+    city = models.CharField(_('City'), max_length=64)
+    city_part = models.CharField(
+        _('City part'), max_length=64, null=True, blank=True,
+    )
+    created_date = models.DateTimeField(_('Created date'), auto_now_add=True)
+
+    def __str__(self):
+        return f'{self.subject.id} - {self.name} - {self.created_date}'

subjects/templates/subjects/index.html

@@ -1,47 +1,87 @@
 {% extends "facturio/base.html" %}
 {% load i18n %}
 
+{% load crispy_forms_tags %}
+
 {% block title %}{% trans "Subjects" %}{% endblock %}
 
 {% block content %}
-    <a href="{% url "subjects:create" %}" class="btn btn-primary" role="button">{% trans "Add new" %}</a>
+    {% with customers=request.user.get_customers %}
+        {% crispy form form.helper %}
+        <h2>{% trans "Customers" %}</h2>
         <table class="table">
             <thead>
             <tr>
-            <th>{% trans "CIN" %}</th>
+                <th class="col-1">{% trans "CIN" %}</th>
-            <th>{% trans "Name" %}</th>
+                <th class="col-1">{% trans "VAT ID" %}</th>
-            <th>{% trans "VAT ID" %}</th>
+                <th class="col-2">{% trans "Name" %}</th>
-            <th>{% trans "Street" %}</th>
+                <th class="col-1">{% trans "City" %}</th>
-            <th>{% trans "Zip Code" %}</th>
+                <th class="col-2">{% trans "City part" %}</th>
-            <th>{% trans "City" %}</th>
+                <th class="col-2">{% trans "Street" %}</th>
-            <th>{% trans "City part" %}</th>
+                <th class="col-1">{% trans "Zip Code" %}</th>
-            <th>{% trans "Connect" %}</th>
+                <th class="col-1">{% trans "Customers" %}</th>
             </tr>
             </thead>
             <tbody>
             {% for subject in subjects %}
-            {# FIXME: in the future, or when this create problems, find a better way#}
+                {% if subject.id in customers %}
-            {% with linked_users=subject.get_linked_users %}
+                    {% with subject_data=subject.get_latest_data %}
                         <tr>
                             <td>{{ subject.id }}</td>
-                    <td>{{ subject.name }}</td>
                             <td>{{ subject.vat_id|default:_("None") }}</td>
-                    <td>{{ subject.street }}</td>
+                            <td>{{ subject_data.name }}</td>
-                    <td>{{ subject.zip_code }}</td>
+                            <td>{{ subject_data.city }}</td>
-                    <td>{{ subject.city }}</td>
+                            <td>{{ subject_data.city_part }}</td>
-                    <td>{{ subject.city_part }}</td>
+                            <td>{{ subject_data.street }}</td>
+                            <td>{{ subject_data.zip_code }}</td>
                             <td>
-                        {% if request.user.id not in linked_users %}
+                                <a href="{% url "subjects:unlink" subject_id=subject.id %}"
-                            <a href="{% url "subjects:link" subject_id=subject.id %}" class="btn btn-primary"
+                                   class="btn btn-secondary"
-                               role="button">{% trans "Link" %}</a>
+                                   role="button">{% trans "Cancel" %}</a>
-                        {% else %}
-                            <a href="{% url "subjects:unlink" subject_id=subject.id %}" class="btn btn-danger"
-                               role="button">{% trans "Unlink" %}</a>
-                        {% endif %}
                             </td>
                         </tr>
                     {% endwith %}
+                {% endif %}
             {% endfor %}
             </tbody>
         </table>
+        <h2>{% trans "Others" %}</h2>
+        <a href="{% url "subjects:create" %}" class="btn btn-primary" role="button">{% trans "Add new" %}</a>
+        <table class="table">
+            <thead>
+            <tr>
+                <th class="col-1">{% trans "CIN" %}</th>
+                <th class="col-1">{% trans "VAT ID" %}</th>
+                <th class="col-2">{% trans "Name" %}</th>
+                <th class="col-1">{% trans "City" %}</th>
+                <th class="col-2">{% trans "City part" %}</th>
+                <th class="col-2">{% trans "Street" %}</th>
+                <th class="col-1">{% trans "Zip Code" %}</th>
+                <th class="col-1">{% trans "Customers" %}</th>
+            </tr>
+            </thead>
+            <tbody>
+            {% for subject in subjects %}
+                {% if subject.id not in customers %}
+                    {% with subject_data=subject.get_latest_data %}
+                        <tr>
+                            <td>{{ subject.id }}</td>
+                            <td>{{ subject.vat_id|default:_("None") }}</td>
+                            <td>{{ subject_data.name }}</td>
+                            <td>{{ subject_data.city }}</td>
+                            <td>{{ subject_data.city_part }}</td>
+                            <td>{{ subject_data.street }}</td>
+                            <td>{{ subject_data.zip_code }}</td>
+                            <td>
+                                <a href="{% url "subjects:link" subject_id=subject.id %}"
+                                   class="btn btn-primary"
+                                   role="button">{% trans "Select" %}</a>
+                            </td>
+                        </tr>
+                    {% endwith %}
+                {% endif %}
+            {% endfor %}
+            </tbody>
+        </table>
+    {% endwith %}
 {% endblock %}

subjects/views.py

@@ -16,8 +16,28 @@ def build_address(street: str, zip_code: int | str, city: str, city_part: str) -
 
 @login_required
 def main_page(req: HttpRequest) -> HttpResponse:
-    subjects = models.Subject.objects.all()
+    if req.method == 'POST':
-    return render(req, 'subjects/index.html', dict(subjects=subjects))
+        select_subject_form = forms.SelectSubjectForm(
+            data=req.POST, instance=req.user, current_user=req.user,
+        )
+        if select_subject_form.is_valid():
+            select_subject_form.save()
+        return redirect(reverse('subjects:list'))
+
+    elif req.method == 'GET':
+        subjects = models.Subject.objects.exclude(
+            id=req.user.supplier.id if req.user.supplier else None,
+        )
+        select_subject_form = forms.SelectSubjectForm(
+            instance=req.user, current_user=req.user,
+        )
+        return render(
+            req,
+            'subjects/index.html',
+            dict(subjects=subjects, form=select_subject_form),
+        )
+
+    return HttpResponse(status=405)
 
 
 @login_required
@@ -33,9 +53,11 @@ def create_subject(req: HttpRequest) -> HttpResponse:
         ares_address_data = ares_data['address']
         ares_legal_data = ares_data['legal']
 
-        models.Subject.objects.create(
+        subject = models.Subject.objects.create(
-            id=ares_legal_data['company_id'],
+            id=ares_legal_data['company_id'], vat_id=ares_legal_data['company_vat_id'],
-            vat_id=ares_legal_data['company_vat_id'],
+        )
+        models.SubjectData.objects.create(
+            subject=subject,
             name=ares_legal_data['company_name'],
             street=ares_address_data['street'],
             zip_code=ares_address_data['zip_code'],

templates/facturio/base.html

@@ -8,6 +8,7 @@
     <title>Facturio - {% block title %}{% trans "App" %}{% endblock %}</title>
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet"
           integrity="sha384-T3c6CoIi6uLrA9TneNEoa7RxnatzjcDSCmG1MXxSR1GAsXEV/Dwwykc2MPK8M2HN" crossorigin="anonymous">
+    {% block head %}{% endblock %}
 </head>
 <body>
 <nav class="navbar navbar-expand-md navbar-dark bg-primary">
@@ -19,14 +20,12 @@
                     <li class="nav-item">
                         <a class="nav-link" href="{% url "subjects:list" %}">{% trans "Subjects" %}</a>
                     </li>
-                    {#<li class="nav-item">#}
+                    <li class="nav-item">
-                    {#    <a class="nav-link" href="#">Item 2</a>#}
+                        <a class="nav-link" href="{% url "invoices:index" %}">{% trans "Invoices" %}</a>
-                    {#</li>#}
+                    </li>
                 </ul>
             </div>
         {% endif %}
-
-
         <div class="collapse navbar-collapse justify-content-end">
             <ul class="navbar-nav">
                 {% if request.user.is_authenticated %}

templates/facturio/invoice.html

@@ -16,7 +16,7 @@
         }
 
         body {
-            font-family: var(--font-family);
+            font-family: var(--font-family), sans-serif;
             margin: 20px;
             color: var(--main-color);
             background-color: var(--background-color);
@@ -160,7 +160,7 @@
     <table id="invoice">
         <thead>
         <tr>
-            <th class="small-col">#</th>
+            <th class="small-col">Počet</th>
             <th class="small-col">Jednotka</th>
             <th class="big-col">Popis položky</th>
             <th class="medium-col right-align">Cena za MJ</th>