LIL-163-167. Add app Content with models Content, Image, Text, ImageText, Video

apps/content/admin.py

@@ -0,0 +1,43 @@
+from django.contrib import admin
+from polymorphic.admin import (
+    PolymorphicParentModelAdmin,
+    PolymorphicChildModelAdmin,
+    PolymorphicChildModelFilter,
+)
+
+from .models import Content, Image, ImageText, Text, Video
+
+
+class ContentChildAdmin(PolymorphicChildModelAdmin):
+    base_model = Content
+
+
+@admin.register(Image)
+class ImageAdmin(ContentChildAdmin):
+    base_model = Image
+
+
+@admin.register(Text)
+class TextAdmin(ContentChildAdmin):
+    base_model = Text
+
+
+@admin.register(ImageText)
+class ImageTextAdmin(ContentChildAdmin):
+    base_model = ImageText
+
+
+@admin.register(Video)
+class VideoAdmin(ContentChildAdmin):
+    base_model = Video
+
+
+@admin.register(Content)
+class ContentAdmin(PolymorphicParentModelAdmin):
+    base_model = Content
+    child_models = (
+        Image,
+        Text,
+        ImageText,
+        Video
+    )

apps/content/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class ContentConfig(AppConfig):
+    name = 'content'
+    verbose_name = 'Контент'

apps/content/migrations/0001_initial.py

@@ -0,0 +1,93 @@
+# Generated by Django 2.0.2 on 2018-02-05 12:05
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('course', '0020_auto_20180202_1716'),
+        ('contenttypes', '0002_remove_content_type_name'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Content',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(default='', max_length=100, verbose_name='Заголовок')),
+                ('position', models.PositiveSmallIntegerField(default=1, unique=True, verbose_name='Положение на странице')),
+            ],
+            options={
+                'abstract': False,
+                'base_manager_name': 'objects',
+            },
+        ),
+        migrations.CreateModel(
+            name='Image',
+            fields=[
+                ('content_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='content.Content')),
+                ('img', models.ImageField(upload_to='content/images', verbose_name='Изображение')),
+            ],
+            options={
+                'abstract': False,
+                'base_manager_name': 'objects',
+            },
+            bases=('content.content',),
+        ),
+        migrations.CreateModel(
+            name='ImageText',
+            fields=[
+                ('content_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='content.Content')),
+                ('img', models.ImageField(upload_to='content/images', verbose_name='Изображение')),
+                ('txt', models.TextField(default='', verbose_name='Текст')),
+            ],
+            options={
+                'abstract': False,
+                'base_manager_name': 'objects',
+            },
+            bases=('content.content',),
+        ),
+        migrations.CreateModel(
+            name='Text',
+            fields=[
+                ('content_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='content.Content')),
+                ('txt', models.TextField(default='', verbose_name='Текст')),
+            ],
+            options={
+                'abstract': False,
+                'base_manager_name': 'objects',
+            },
+            bases=('content.content',),
+        ),
+        migrations.CreateModel(
+            name='Video',
+            fields=[
+                ('content_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='content.Content')),
+                ('url', models.URLField(verbose_name='Ссылка')),
+            ],
+            options={
+                'abstract': False,
+                'base_manager_name': 'objects',
+            },
+            bases=('content.content',),
+        ),
+        migrations.AddField(
+            model_name='content',
+            name='course',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='course.Course', verbose_name='Курс'),
+        ),
+        migrations.AddField(
+            model_name='content',
+            name='lesson',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='course.Lesson', verbose_name='Урок'),
+        ),
+        migrations.AddField(
+            model_name='content',
+            name='polymorphic_ctype',
+            field=models.ForeignKey(editable=False, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='polymorphic_content.content_set+', to='contenttypes.ContentType'),
+        ),
+    ]

apps/content/migrations/0002_auto_20180205_1212.py

@@ -0,0 +1,29 @@
+# Generated by Django 2.0.2 on 2018-02-05 12:12
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('content', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='content',
+            options={'verbose_name': 'Контент', 'verbose_name_plural': 'Контент'},
+        ),
+        migrations.AddField(
+            model_name='content',
+            name='created_at',
+            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='content',
+            name='update_at',
+            field=models.DateTimeField(auto_now=True),
+        ),
+    ]

apps/content/models.py

@@ -0,0 +1,47 @@
+from django.db import models
+
+from polymorphic.models import PolymorphicModel
+
+from apps.course.models import Course, Lesson
+
+
+class Content(PolymorphicModel):
+    course = models.ForeignKey(
+        Course, on_delete=models.CASCADE,
+        null=True, blank=True,
+        verbose_name='Курс'
+    )
+    lesson = models.ForeignKey(
+        Lesson, on_delete=models.CASCADE,
+        null=True, blank=True,
+        verbose_name='Урок'
+    )
+    title = models.CharField('Заголовок', max_length=100, default='')
+    position = models.PositiveSmallIntegerField(
+        'Положение на странице',
+        default=1, unique=True
+    )
+
+    created_at = models.DateTimeField(auto_now_add=True)
+    update_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        verbose_name = 'Контент'
+        verbose_name_plural = 'Контент'
+
+
+class Image(Content):
+    img = models.ImageField('Изображение', upload_to='content/images')
+
+
+class Text(Content):
+    txt = models.TextField('Текст', default='')
+
+
+class ImageText(Content):
+    img = models.ImageField('Изображение', upload_to='content/images')
+    txt = models.TextField('Текст', default='')
+
+
+class Video(Content):
+    url = models.URLField('Ссылка')

apps/content/tests.py

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

apps/content/views.py

@@ -0,0 +1,2 @@
+from django.shortcuts import render
+

project/settings.py

@@ -53,6 +53,7 @@ INSTALLED_APPS = [
     'apps.notification',
     'apps.payment',
     'apps.course',
+    'apps.content',
 ]
 if DEBUG:
     INSTALLED_APPS += ['silk']