236 lines
7.7 KiB
Python
236 lines
7.7 KiB
Python
"""News app common serializers."""
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from django.utils.translation import gettext_lazy as _
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from rest_framework import serializers
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from account.serializers.common import UserBaseSerializer
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from gallery.models import Image
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from location import models as location_models
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from location.serializers import CountrySimpleSerializer
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from main.serializers import MetaDataContentSerializer
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from news import models
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from utils.serializers import TranslatedField, ProjectModelSerializer
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class CropImageSerializer(serializers.Serializer):
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"""Serializer for crop images for News object."""
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preview_url = serializers.SerializerMethodField()
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promo_horizontal_web_url = serializers.SerializerMethodField()
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promo_horizontal_mobile_url = serializers.SerializerMethodField()
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tile_horizontal_web_url = serializers.SerializerMethodField()
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tile_horizontal_mobile_url = serializers.SerializerMethodField()
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tile_vertical_web_url = serializers.SerializerMethodField()
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highlight_vertical_web_url = serializers.SerializerMethodField()
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editor_web_url = serializers.SerializerMethodField()
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editor_mobile_url = serializers.SerializerMethodField()
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def get_preview_url(self, obj):
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"""Get crop preview."""
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return obj.instance.get_image_url('news_preview')
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def get_promo_horizontal_web_url(self, obj):
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"""Get crop promo_horizontal_web."""
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return obj.instance.get_image_url('news_promo_horizontal_web')
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def get_promo_horizontal_mobile_url(self, obj):
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"""Get crop promo_horizontal_mobile."""
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return obj.instance.get_image_url('news_promo_horizontal_mobile')
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def get_tile_horizontal_web_url(self, obj):
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"""Get crop tile_horizontal_web."""
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return obj.instance.get_image_url('news_tile_horizontal_web')
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def get_tile_horizontal_mobile_url(self, obj):
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"""Get crop tile_horizontal_mobile."""
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return obj.instance.get_image_url('news_tile_horizontal_mobile')
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def get_tile_vertical_web_url(self, obj):
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"""Get crop tile_vertical_web."""
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return obj.instance.get_image_url('news_tile_vertical_web')
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def get_highlight_vertical_web_url(self, obj):
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"""Get crop highlight_vertical_web."""
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return obj.instance.get_image_url('news_highlight_vertical_web')
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def get_editor_web_url(self, obj):
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"""Get crop editor_web."""
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return obj.instance.get_image_url('news_editor_web')
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def get_editor_mobile_url(self, obj):
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"""Get crop editor_mobile."""
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return obj.instance.get_image_url('news_editor_mobile')
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class NewsImageSerializer(serializers.ModelSerializer):
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"""Serializer for returning crop images of news image."""
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orientation_display = serializers.CharField(source='get_orientation_display',
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read_only=True)
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original_url = serializers.URLField(source='image.url')
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auto_crop_images = CropImageSerializer(source='image', allow_null=True)
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class Meta:
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model = Image
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fields = [
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'id',
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'title',
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'orientation_display',
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'original_url',
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'auto_crop_images',
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]
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extra_kwargs = {
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'orientation': {'write_only': True}
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}
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class NewsTypeSerializer(serializers.ModelSerializer):
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"""News type serializer."""
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class Meta:
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"""Meta class."""
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model = models.NewsType
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fields = ('id', 'name')
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class NewsBaseSerializer(ProjectModelSerializer):
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"""Base serializer for News model."""
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# read only fields
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title_translated = TranslatedField()
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subtitle_translated = TranslatedField()
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# related fields
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news_type = NewsTypeSerializer(read_only=True)
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tags = MetaDataContentSerializer(read_only=True, many=True)
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gallery = NewsImageSerializer(read_only=True, many=True)
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class Meta:
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"""Meta class."""
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model = models.News
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fields = (
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'id',
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'title_translated',
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'subtitle_translated',
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'is_highlighted',
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'news_type',
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'tags',
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'slug',
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'gallery',
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)
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class NewsDetailSerializer(NewsBaseSerializer):
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"""News detail serializer."""
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description_translated = TranslatedField()
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country = CountrySimpleSerializer(read_only=True)
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author = UserBaseSerializer(source='created_by', read_only=True)
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state_display = serializers.CharField(source='get_state_display',
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read_only=True)
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class Meta(NewsBaseSerializer.Meta):
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"""Meta class."""
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fields = NewsBaseSerializer.Meta.fields + (
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'description_translated',
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'start',
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'end',
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'playlist',
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'is_publish',
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'state',
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'state_display',
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'author',
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'country',
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)
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class NewsDetailWebSerializer(NewsDetailSerializer):
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"""News detail serializer for web users.."""
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same_theme = NewsBaseSerializer(many=True, read_only=True)
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should_read = NewsBaseSerializer(many=True, read_only=True)
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class Meta(NewsDetailSerializer.Meta):
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"""Meta class."""
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fields = NewsDetailSerializer.Meta.fields + (
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'same_theme',
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'should_read',
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)
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class NewsBackOfficeBaseSerializer(NewsBaseSerializer):
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"""News back office base serializer."""
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class Meta(NewsBaseSerializer.Meta):
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"""Meta class."""
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fields = NewsBaseSerializer.Meta.fields + (
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'title',
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'subtitle',
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)
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class NewsBackOfficeDetailSerializer(NewsBackOfficeBaseSerializer,
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NewsDetailSerializer):
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"""News detail serializer for back-office users."""
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news_type_id = serializers.PrimaryKeyRelatedField(
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source='news_type', write_only=True,
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queryset=models.NewsType.objects.all())
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country_id = serializers.PrimaryKeyRelatedField(
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source='country', write_only=True,
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queryset=location_models.Country.objects.all())
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template_display = serializers.CharField(source='get_template_display',
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read_only=True)
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class Meta(NewsBackOfficeBaseSerializer.Meta, NewsDetailSerializer.Meta):
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"""Meta class."""
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fields = NewsBackOfficeBaseSerializer.Meta.fields + \
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NewsDetailSerializer.Meta.fields + (
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'description',
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'news_type_id',
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'country_id',
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'template',
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'template_display',
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)
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class NewsBackOfficeGallerySerializer(serializers.ModelSerializer):
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"""Serializer class for model NewsGallery."""
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class Meta:
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"""Meta class"""
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model = models.NewsGallery
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fields = [
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'id',
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]
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def get_request_kwargs(self):
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"""Get url kwargs from request."""
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return self.context.get('request').parser_context.get('kwargs')
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def validate(self, attrs):
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"""Override validate method."""
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news_pk = self.get_request_kwargs().get('pk')
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image_id = self.get_request_kwargs().get('image_id')
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news_qs = models.News.objects.filter(pk=news_pk)
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image_qs = Image.objects.filter(id=image_id)
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if not news_qs.exists():
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raise serializers.ValidationError({'detail': _('News not found')})
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if not image_qs.exists():
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raise serializers.ValidationError({'detail': _('Image not found')})
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news = news_qs.first()
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image = image_qs.first()
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if news.news_gallery.filter(image=image).exists():
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raise serializers.ValidationError({'detail': _('Image is already added')})
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attrs['news'] = news
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attrs['image'] = image
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return attrs
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