add procat2 catalog, region, and season models

procat2/migrations/0003_auto_20190423_2203.py

@@ -0,0 +1,60 @@
+# Generated by Django 2.1.7 on 2019-04-23 22:03
+
+from django.conf import settings
+import django.contrib.postgres.fields.jsonb
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('procat2', '0002_site_changes'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Catalog',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', models.DateTimeField(auto_now_add=True)),
+                ('updated', models.DateTimeField(auto_now=True)),
+                ('name', models.CharField(max_length=300)),
+                ('public', models.BooleanField(default=False)),
+                ('pages', models.PositiveIntegerField(default=0)),
+                ('sections', models.PositiveIntegerField(default=0)),
+                ('materials', models.PositiveIntegerField(default=0)),
+                ('data', django.contrib.postgres.fields.jsonb.JSONField(null=True)),
+                ('owner', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Region',
+            fields=[
+                ('id', models.CharField(max_length=30, primary_key=True, serialize=False)),
+                ('name', models.CharField(max_length=100)),
+                ('ordering', models.PositiveIntegerField(default=1000, unique=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Season',
+            fields=[
+                ('id', models.CharField(max_length=30, primary_key=True, serialize=False)),
+                ('name', models.CharField(max_length=100)),
+                ('ordering', models.PositiveIntegerField(default=1000, unique=True)),
+            ],
+        ),
+        migrations.AddField(
+            model_name='catalog',
+            name='region',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='procat2.Region'),
+        ),
+        migrations.AddField(
+            model_name='catalog',
+            name='season',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='procat2.Season'),
+        ),
+    ]

procat2/models.py

@@ -0,0 +1,33 @@
+from django.db import models
+from django.conf import settings
+from django.contrib.postgres.fields import JSONField
+
+
+class Season(models.Model):
+    id = models.CharField(max_length=30, primary_key=True)
+    name = models.CharField(max_length=100)
+    ordering = models.PositiveIntegerField(unique=True, default=1000)
+
+
+class Region(models.Model):
+    id = models.CharField(max_length=30, primary_key=True)
+    name = models.CharField(max_length=100)
+    ordering = models.PositiveIntegerField(unique=True, default=1000)
+
+
+class Catalog(models.Model):
+    owner = models.ForeignKey(settings.AUTH_USER_MODEL,
+                              on_delete=models.CASCADE)
+    season = models.ForeignKey(Season, on_delete=models.PROTECT)
+    region = models.ForeignKey(Region, on_delete=models.PROTECT)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+    name = models.CharField(max_length=300)
+    public = models.BooleanField(default=False)
+    pages = models.PositiveIntegerField(default=0)
+    sections = models.PositiveIntegerField(default=0)
+    materials = models.PositiveIntegerField(default=0)
+    data = JSONField(null=True)
+
+    # JSONField docs:
+    # https://docs.djangoproject.com/en/2.2/ref/contrib/postgres/fields/#jsonfield