Starting Module 5: Managers and QuerySets

carved_rock/carved_rock/settings.py

@@ -134,12 +134,12 @@
 ]
 
 # Log all SQL
-# LOGGING = {
-#     "version": 1,
-#     "handlers": {"console": {"class": "logging.StreamHandler"}},
-#     "loggers": {"django.db.backends": {"level": "DEBUG"}},
-#     "root": {"handlers": ["console"]},
-# }
+LOGGING = {
+    "version": 1,
+    "handlers": {"console": {"class": "logging.StreamHandler"}},
+    "loggers": {"django.db.backends": {"level": "DEBUG"}},
+    "root": {"handlers": ["console"]},
+}
 
 # Crispy
 CRISPY_TEMPLATE_PACK = "bootstrap5"

carved_rock/store/admin.py

@@ -1,6 +1,7 @@
 from django.contrib import admin
 
-from .models import Product
-
+from .models import Product, ProductImage, Category
 
 admin.site.register(Product)
+admin.site.register(ProductImage)
+admin.site.register(Category)

carved_rock/store/migrations/0002_product_description.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.0.2 on 2024-02-21 20:25
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('store', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='product',
+            name='description',
+            field=models.TextField(default='', blank=True),
+        ),
+    ]

carved_rock/store/migrations/0003_product_sku_alter_product_description_and_more.py

@@ -0,0 +1,29 @@
+# Generated by Django 5.0.2 on 2024-02-21 21:53
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('store', '0002_product_description'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='product',
+            name='sku',
+            field=models.CharField(default='', max_length=20, unique=True, verbose_name='Stock Keeping Unit'),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='product',
+            name='description',
+            field=models.TextField(blank=True, default=''),
+        ),
+        migrations.AlterField(
+            model_name='product',
+            name='stock_count',
+            field=models.IntegerField(null=True),
+        ),
+    ]

carved_rock/store/migrations/0004_alter_product_stock_count_productimage.py

@@ -0,0 +1,27 @@
+# Generated by Django 5.0.2 on 2024-02-22 13:53
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('store', '0003_product_sku_alter_product_description_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='product',
+            name='stock_count',
+            field=models.IntegerField(help_text='How many items are currently in stock', null=True),
+        ),
+        migrations.CreateModel(
+            name='ProductImage',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('image', models.ImageField(upload_to='')),
+                ('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='store.product')),
+            ],
+        ),
+    ]

carved_rock/store/migrations/0005_category.py

@@ -0,0 +1,21 @@
+# Generated by Django 5.0.2 on 2024-02-27 20:08
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('store', '0004_alter_product_stock_count_productimage'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Category',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+                ('products', models.ManyToManyField(to='store.product')),
+            ],
+        ),
+    ]

carved_rock/store/models.py

@@ -3,5 +3,27 @@
 
 class Product(models.Model):
     name = models.CharField(max_length=100)
-    stock_count = models.IntegerField()
+    stock_count = models.IntegerField(null=True,
+                                      help_text="How many items are currently in stock")
     price = models.DecimalField(max_digits=6, decimal_places=2)
+    description = models.TextField(default="", blank=True)
+    sku = models.CharField(verbose_name="Stock Keeping Unit", max_length=20, unique=True)
+
+    def __str__(self):
+        return self.name
+
+
+class ProductImage(models.Model):
+    image = models.ImageField()
+    product = models.ForeignKey('Product', on_delete=models.CASCADE)
+
+    def __str__(self):
+        return str(self.image)
+
+
+class Category(models.Model):
+    name = models.CharField(max_length=100)
+    products = models.ManyToManyField('Product')
+
+    def __str__(self):
+        return self.name

carved_rock/store/views.py

@@ -1,13 +1,11 @@
-from django.http import HttpResponse
 from django.shortcuts import render
 
 from .models import Product
 
 
 def category_view(request, name):
-    # products = Product.objects.filter(category__name=name)
-    #
-    # return render(request, "store/category.html",
-    #               {'products': products,
-    #                'category_name': name})
-    return HttpResponse("Category model not defined yet - see module 4")
+    products = Product.objects.filter(category__name=name)
+
+    return render(request, "store/category.html",
+                  {'products': products,
+                   'category_name': name})