Add slug field

api/v1/serializers/course.py

@@ -65,13 +65,15 @@ class CategorySerializer(serializers.ModelSerializer):
 
 
 class CourseCreateSerializer(serializers.ModelSerializer):
-    content = serializers.ListSerializer(child=ContentCreateSerializer())
+    slug = serializers.SlugField(allow_unicode=True, required=False)
-    materials = MaterialSerializer(many=True)
+    content = serializers.ListSerializer(child=ContentCreateSerializer(), required=False)
+    materials = MaterialSerializer(many=True, required=False)
 
     class Meta:
         model = Course
         fields = (
             'id',
+            'slug',
             'author',
             'title',
             'short_description',
@@ -101,8 +103,8 @@ class CourseCreateSerializer(serializers.ModelSerializer):
         )
 
     def create(self, validated_data):
-        materials = validated_data.pop('materials')
+        materials = validated_data.pop('materials', [])
-        content = validated_data.pop('content')
+        content = validated_data.pop('content', [])
 
         course = super().create(validated_data)
 

apps/course/migrations/0028_course_slug.py

@@ -0,0 +1,19 @@
+# Generated by Django 2.0.2 on 2018-02-09 08:59
+from uuid import uuid4
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('course', '0027_remove_course_url'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='course',
+            name='slug',
+            field=models.SlugField(allow_unicode=True, default=str(uuid4()), max_length=100, unique=True),
+            preserve_default=False,
+        ),
+    ]

apps/course/migrations/0029_auto_20180209_0911.py

@@ -0,0 +1,19 @@
+# Generated by Django 2.0.2 on 2018-02-09 09:11
+
+import apps.course.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('course', '0028_course_slug'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='course',
+            name='slug',
+            field=models.SlugField(allow_unicode=True, default=apps.course.models.default_slug, max_length=100, unique=True),
+        ),
+    ]

apps/course/models.py

@@ -1,6 +1,8 @@
 import arrow
+from uuid import uuid4
 from django.db import models
 from django.utils import timezone
+from django.utils.text import slugify
 from django.contrib.auth import get_user_model
 from django.urls import reverse_lazy
 from polymorphic_tree.models import PolymorphicMPTTModel, PolymorphicTreeForeignKey
@@ -19,6 +21,10 @@ class Like(models.Model):
     update_at = models.DateTimeField(auto_now=True)
 
 
+def default_slug():
+    return str(uuid4())
+
+
 class Course(models.Model):
     PENDING = 0
     PUBLISHED = 1
@@ -28,10 +34,17 @@ class Course(models.Model):
         (PUBLISHED, 'Published'),
         (ARCHIVED, 'Archived'),
     )
-    author = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, blank=True)
+    slug = models.SlugField(
+        allow_unicode=True,
+        max_length=100, unique=True, db_index=True,
+    )
+    author = models.ForeignKey(
+        User, on_delete=models.SET_NULL, null=True, blank=True)
     title = models.CharField('Название курса', max_length=100, db_index=True)
-    short_description = models.TextField('Краткое описание курса', db_index=True)
+    short_description = models.TextField(
-    from_author = models.TextField('От автора', default='', null=True, blank=True)
+        'Краткое описание курса', db_index=True)
+    from_author = models.TextField(
+        'От автора', default='', null=True, blank=True)
     cover = models.ForeignKey(
         ImageObject, related_name='course_covers',
         verbose_name='Обложка курса', on_delete=models.CASCADE,
@@ -49,7 +62,8 @@ class Course(models.Model):
     category = models.ForeignKey('Category', on_delete=models.PROTECT)
     duration = models.IntegerField('Продолжительность курса', default=0)
     is_featured = models.BooleanField(default=False)
-    status = models.PositiveSmallIntegerField('Статус', default=0, choices=STATUS_CHOICES)
+    status = models.PositiveSmallIntegerField(
+        'Статус', default=0, choices=STATUS_CHOICES)
     likes = models.ManyToManyField(Like, blank=True)
     materials = models.ManyToManyField('Material', blank=True)
     gallery = models.ForeignKey(
@@ -60,6 +74,12 @@ class Course(models.Model):
     created_at = models.DateTimeField(auto_now_add=True)
     update_at = models.DateTimeField(auto_now=True)
 
+    def save(self, *args, **kwargs):
+        print(self.title)
+        self.slug = slugify(self.title[:100] + '_' + str(uuid4())[:6], allow_unicode=True)
+        print(self.slug)
+        return super().save()
+
     @property
     def url(self):
         return self.get_absolute_url()
@@ -114,7 +134,8 @@ class Category(models.Model):
 class Lesson(models.Model):
     title = models.CharField('Название урока', max_length=100)
     short_description = models.TextField('Краткое описание урока')
-    course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name='lessons')
+    course = models.ForeignKey(
+        Course, on_delete=models.CASCADE, related_name='lessons')
     cover = models.ForeignKey(
         ImageObject, related_name='lesson_covers',
         verbose_name='Обложка урока', on_delete=models.CASCADE,
@@ -179,7 +200,8 @@ class Comment(PolymorphicMPTTModel):
 
 
 class CourseComment(Comment):
-    course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name='comments')
+    course = models.ForeignKey(
+        Course, on_delete=models.CASCADE, related_name='comments')
 
     class Meta(Comment.Meta):
         verbose_name = 'Комментарий курса'
@@ -187,7 +209,8 @@ class CourseComment(Comment):
 
 
 class LessonComment(Comment):
-    lesson = models.ForeignKey(Lesson, on_delete=models.CASCADE, related_name='comments')
+    lesson = models.ForeignKey(
+        Lesson, on_delete=models.CASCADE, related_name='comments')
 
     class Meta(Comment.Meta):
         verbose_name = 'Комментарий урока'