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316 lines
11 KiB
316 lines
11 KiB
from rest_framework import serializers
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from apps.course.models import Category, Course, Material, Lesson, Like
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from .content import (
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ImageObjectSerializer, ContentSerializer, ContentCreateSerializer,
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GallerySerializer, GalleryImageSerializer,
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)
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from apps.content.models import (
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Content, Image, Text, ImageText, Video,
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Gallery, GalleryImage, ImageObject,
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)
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class MaterialCreateSerializer(serializers.ModelSerializer):
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class Meta:
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model = Material
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fields = (
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'id',
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'title',
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'cover',
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'short_description',
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'created_at',
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'update_at',
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)
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read_only_fields = (
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'id',
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'created_at',
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'update_at',
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)
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class MaterialSerializer(MaterialCreateSerializer):
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cover = ImageObjectSerializer(allow_null=True)
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class LikeSerializer(serializers.ModelSerializer):
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class Meta:
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model = Like
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fields = (
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'id',
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'user',
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'created_at',
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'update_at',
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)
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read_only_fields = (
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'id',
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'created_at',
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'update_at',
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)
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class CategorySerializer(serializers.ModelSerializer):
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class Meta:
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model = Category
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fields = (
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'id',
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'title',
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)
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read_only_fields = (
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'id',
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)
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class CourseCreateSerializer(serializers.ModelSerializer):
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slug = serializers.SlugField(allow_unicode=True, required=False)
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content = serializers.ListSerializer(
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child=ContentCreateSerializer(),
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required=False,
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)
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materials = MaterialSerializer(many=True, required=False)
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class Meta:
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model = Course
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fields = (
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'id',
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'slug',
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'author',
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'title',
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'short_description',
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'from_author',
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'cover',
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'price',
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'is_infinite',
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'deferred_start_at',
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'category',
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'duration',
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'is_featured',
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'url',
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'status',
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'likes',
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'materials',
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'created_at',
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'update_at',
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'content',
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'gallery',
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)
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read_only_fields = (
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'id',
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'url',
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'created_at',
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'update_at',
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)
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def create(self, validated_data):
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materials = validated_data.pop('materials', [])
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content = validated_data.pop('content', [])
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course = super().create(validated_data)
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for c in content:
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if c['type'] == 'text':
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if 'id' in c['data'] and c['data']['id']:
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t = Text.objects.get(id=c['data']['id'])
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t.position = c['data']['position']
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t.title = c['data']['title']
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t.course = course
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t.txt = c['data']['txt']
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t.save()
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else:
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t = Text.objects.create(
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position=c['data']['position'],
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title=c['data']['title'],
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course=course,
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txt=c['data']['txt'],
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)
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elif c['type'] == 'image':
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if 'id' in c['data'] and c['data']['id']:
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i = Image.objects.get(id=c['data']['id'])
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i.position = c['data']['position']
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i.title = c['data']['title']
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i.course = course
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i.img = ImageObject.objects.get(id=c['data']['img']['id'])
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i.save()
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else:
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i = Image.objects.create(
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position=c['data']['position'],
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title=c['data']['title'],
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course=course,
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img=Image.objects.get(id=c['data']['img']['id']),
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)
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elif c['type'] == 'image-text':
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if 'id' in c['data'] and c['data']['id']:
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it = ImageText.objects.get(id=c['data']['id'])
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it.position = c['data']['position']
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it.title = c['data']['title']
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it.course = course
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it.img = ImageObject.objects.get(id=c['data']['img']['id'])
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it.txt = c['data']['txt']
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it.save()
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else:
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it = ImageText.objects.create(
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position=c['data']['position'],
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title=c['data']['title'],
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course=course,
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img=Image.objects.get(id=c['data']['img']['id']),
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txt=c['data']['txt'],
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)
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elif c['type'] == 'video':
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if 'id' in c['data'] and c['data']['id']:
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v = Video.objects.get(id=c['data']['id'])
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v.position = c['data']['position']
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v.title = c['data']['title']
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v.course = course
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v.url = c['data']['url']
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v.save()
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else:
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v = Video.objects.create(
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position=c['data']['position'],
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title=c['data']['title'],
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course=course,
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url=c['data']['url'],
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)
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for material in materials:
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if 'id' in material and material['id']:
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m = Material.objects.get(id=material['id'])
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m.title = material['title']
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m.cover = ImageObject.objects.get(id=material['cover'])
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m.short_description = material['short_description']
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m.save()
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else:
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m = Material.objects.create(
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title=material['title'],
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cover=ImageObject.objects.get(id=material['cover']),
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short_description=material['short_description'],
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)
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return course
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def update(self, instance, validated_data):
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materials = validated_data.pop('materials', [])
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content = validated_data.pop('content', [])
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course = super().update(instance, validated_data)
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for c in content:
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if c['type'] == 'text':
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if 'id' in c['data'] and c['data']['id']:
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t = Text.objects.get(id=c['data']['id'])
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t.position = c['data']['position']
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t.title = c['data']['title']
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t.course = course
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t.txt = c['data']['txt']
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t.save()
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else:
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t = Text.objects.create(
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position=c['data']['position'],
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title=c['data']['title'],
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course=course,
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txt=c['data']['txt'],
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)
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elif c['type'] == 'image':
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if 'id' in c['data'] and c['data']['id']:
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i = Image.objects.get(id=c['data']['id'])
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i.position = c['data']['position']
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i.title = c['data']['title']
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i.course = course
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i.img = Image.objects.get(id=c['data']['img']['id'])
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i.save()
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else:
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i = Image.objects.create(
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position=c['data']['position'],
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title=c['data']['title'],
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course=course,
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img=Image.objects.get(id=c['data']['img']['id']),
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)
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elif c['type'] == 'imagetext':
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if 'id' in c['data'] and c['data']['id']:
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it = ImageText.objects.get(id=c['data']['id'])
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it.position = c['data']['position']
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it.title = c['data']['title']
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it.course = course
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it.img = Image.objects.get(id=c['data']['img']['id'])
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it.txt = c['data']['txt']
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it.save()
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else:
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it = ImageText.objects.create(
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position=c['data']['position'],
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title=c['data']['title'],
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course=course,
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img=Image.objects.get(id=c['data']['img']['id']),
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txt=c['data']['txt'],
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)
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elif c['type'] == 'video':
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if 'id' in c['data'] and c['data']['id']:
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v = Video.objects.get(id=c['data']['id'])
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v.position = c['data']['position']
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v.title = c['data']['title']
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v.course = course
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v.url = c['data']['url']
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v.save()
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else:
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v = Video.objects.create(
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position=c['data']['position'],
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title=c['data']['title'],
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course=course,
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url=c['data']['url'],
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)
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for material in materials:
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if 'id' in material and material['id']:
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m = Material.objects.get(id=material['id'])
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m.title = material['title']
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m.cover = ImageObject.objects.get(id=material['cover'])
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m.short_description = material['short_description']
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m.save()
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else:
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m = Material.objects.create(
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title=material['title'],
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cover=ImageObject.objects.get(id=material['cover']),
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short_description=material['short_description'],
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)
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course.materials.add(m)
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return course
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class CourseSerializer(CourseCreateSerializer):
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category = CategorySerializer()
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materials = MaterialSerializer(many=True)
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cover = ImageObjectSerializer()
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gallery = GallerySerializer()
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content = ContentSerializer(many=True)
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class LessonCreateSerializer(serializers.ModelSerializer):
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class Meta:
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model = Lesson
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fields = (
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'id',
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'title',
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'short_description',
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'course',
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'cover',
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'content',
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'created_at',
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'update_at',
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)
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read_only_fields = (
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'id',
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'content',
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'created_at',
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'update_at',
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)
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class LessonSerializer(LessonCreateSerializer):
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course = CourseSerializer()
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cover = ImageObjectSerializer()
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