Expanding on billing models

Add module for management/admin frontend

core/migrations/0002_profile.py

@@ -0,0 +1,24 @@
+# Generated by Django 4.1 on 2022-08-06 06:56
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Profile',
+            fields=[
+                ('user', models.OneToOneField(on_delete=django.db.models.deletion.PROTECT, primary_key=True, serialize=False, to=settings.AUTH_USER_MODEL)),
+                ('first_name', models.CharField(max_length=128)),
+                ('last_name', models.CharField(max_length=128)),
+                ('display_name', models.CharField(max_length=128)),
+            ],
+        ),
+    ]

core/models/__init__.py

@@ -1,2 +1,7 @@
 from .auth import User
 from .profiles import Profile
+from .businesses import Chain, Restaurant
+from .geo import Location
+from .media import Image
+from .reservation import Reservation
+from .layout import Room, Table

core/models/billing.py

@@ -1,22 +1,49 @@
 from django.db import models
 from django.utils.translation import gettext as _
+from django.contrib.contenttypes.fields import GenericForeignKey
+from django.contrib.contenttypes.models import ContentType
+
+from .profiles import Profile
 
 
 class ExpenseTypeChoices(models.IntegerChoices):
+    """Defines different types of expenses
+    """
     MONTHLY_FEE = (0, _("Monthly Fee"))
     SUPPORT = (1, _("Support"))
     DEVELOPMENT = (2, _("Custom Development"))
     COMMISSION = (3, _("Commission"))
     CONTRIBUTION = (4, _("Contribution"))
-
+    OTHER = (99, _("Various Expenses"))
-
-class RelatedModelChoices(models.IntegerChoices):
-    CHAIN = (0, _("Chain"))
-    RESTAURANT = (1, _("Restaurant"))
-    ROOM = (2, _("Room"))
-    TABLE = (3, _("Table"))
 
 
 class Expense(models.Model):
-    expense_type = models.IntegerField(choices=ExpenseTypeChoices.choices(), null=True, blank=True)
+    """Contains information on an individual expense to be invoiced
+
+    By relation to an Invoice model, this is simultaneously an invoice item
+    """
+    expense_type = models.IntegerField(
+        choices=ExpenseTypeChoices.choices, null=True, blank=True)
     text = models.CharField(max_length=256)
+    payer = models.ForeignKey(Profile, models.PROTECT)
+
+    """Of course, an Expense needs 
+    """
+
+    """An activity leading to an expense can have a starting and ending date
+    (the day a reservation was made in case of per-reservation commissions,
+    or the month for which a monthly fee is due) - but this is optional.
+    """
+    datetime_from = models.DateTimeField(null=True, blank=True)
+    datetime_to = models.DateTimeField(null=True, blank=True)
+
+    """An expense can be related to any other object in the database – for
+    example, it can be related to a Reservation object for a per-reservation
+    commission, to a Restaurant object for its monthly fee, or to a Profile
+    object for a per-user fee. This also allows easy reverse lookups to find
+    out which expenses have occurred for which object. This is optional.
+    """
+    object_type = models.ForeignKey(
+        ContentType, on_delete=models.CASCADE, null=True)
+    object_id = models.PositiveIntegerField(null=True, blank=True)
+    related_object = GenericForeignKey('object_type', 'object_id', null=True)

management/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

management/apps.py

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

management/models.py

@@ -0,0 +1,3 @@
+from django.db import models
+
+# Create your models here.

management/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

management/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.

requirements.txt

@@ -6,6 +6,7 @@ geopy
 django-countries[pyuca]
 pillow
 django-phonenumber-field[phonenumbers]
+django-money
 
 # For S3
 

restoroo/settings.py

@@ -30,7 +30,9 @@ INSTALLED_APPS = [
     'phonenumber_field',
 
     'core',
-
+    'myrestaurant',
+    'management',
+    'public',
 ]
 
 AUTH_USER_MODEL = "core.User"
@@ -51,7 +53,7 @@ ROOT_URLCONF = 'restoroo.urls'
 TEMPLATES = [
     {
         'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': [BASE_DIR / "templates"],
+        'DIRS': [BASE_DIR / "frontend/templates"],
         'APP_DIRS': False,
         'OPTIONS': {
             'context_processors': [

restoroo/urls.py

@@ -17,5 +17,4 @@ from django.contrib import admin
 from django.urls import path
 
 urlpatterns = [
-    path('admin/', admin.site.urls),
 ]