inital commit

tests/market/admin.py

@@ -0,0 +1,23 @@
+from django.contrib import admin
+
+from admin_confirm.admin import AdminConfirmMixin
+
+from .models import Item, Inventory, Shop
+
+
+class ItemAdmin(AdminConfirmMixin, admin.ModelAdmin):
+    list_display = ('name', 'price', 'currency')
+    change_needs_confirmation = True
+
+
+class InventoryAdmin(admin.ModelAdmin):
+    list_display = ('shop', 'item', 'quantity')
+
+
+class ShopAdmin(admin.ModelAdmin):
+    pass
+
+
+admin.site.register(Item, ItemAdmin)
+admin.site.register(Inventory, InventoryAdmin)
+admin.site.register(Shop, ShopAdmin)

tests/market/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class MarketConfig(AppConfig):
+    name = 'market'

tests/market/migrations/0001_initial.py

@@ -0,0 +1,32 @@
+# Generated by Django 3.0.10 on 2020-10-31 20:41
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Item',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=120)),
+                ('price', models.DecimalField(decimal_places=2, max_digits=5)),
+                ('currency', models.CharField(choices=[('CAD', 'CAD'), ('USD', 'USD')], max_length=3)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Stock',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('quantity', models.PositiveIntegerField()),
+                ('item', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='all_stock', to='market.Item')),
+            ],
+        ),
+    ]

tests/market/migrations/0002_auto_20201031_2057.py

@@ -0,0 +1,44 @@
+# Generated by Django 3.0.10 on 2020-10-31 20:57
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('market', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Inventory',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('quantity', models.PositiveIntegerField()),
+                ('item', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='market.Item')),
+            ],
+            options={
+                'ordering': ['shop', 'item__name'],
+            },
+        ),
+        migrations.CreateModel(
+            name='Shop',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=120)),
+            ],
+        ),
+        migrations.DeleteModel(
+            name='Stock',
+        ),
+        migrations.AddField(
+            model_name='inventory',
+            name='shop',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='inventory', to='market.Shop'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='inventory',
+            unique_together={('shop', 'item')},
+        ),
+    ]

tests/market/models.py

@@ -0,0 +1,31 @@
+from django.db import models
+
+
+class Item(models.Model):
+    VALID_CURRENCIES = (
+        ('CAD', 'CAD'),
+        ('USD', 'USD'),
+    )
+    name = models.CharField(max_length=120)
+    price = models.DecimalField(max_digits=5, decimal_places=2)
+    currency = models.CharField(max_length=3, choices=VALID_CURRENCIES)
+
+    def __str__(self):
+        return self.name
+
+
+class Shop(models.Model):
+    name = models.CharField(max_length=120)
+
+    def __str__(self):
+        return self.name
+
+
+class Inventory(models.Model):
+    class Meta:
+        unique_together = ['shop', 'item']
+        ordering = ['shop', 'item__name']
+
+    shop = models.ForeignKey(to=Shop, on_delete=models.CASCADE, related_name='inventory')
+    item = models.ForeignKey(to=Item, on_delete=models.CASCADE)
+    quantity = models.PositiveIntegerField()

tests/market/tests.py

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

tests/market/views.py

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