class ImageGallerySerializer(DispatchModelSerializer):
"""Serializes the ImageGallery model without including full Image instance."""
images = ImageAttachmentSerializer(read_only=True, many=True)
attachment_json = JSONField(required=False,
write_only=True,
validators=[ImageGalleryValidator])
class Meta:
model = ImageGallery
fields = ('id', 'title', 'images', 'attachment_json')
def create(self, validated_data):
# Create new ImageGallery instance
instance = ImageGallery()
# Then save as usual
return self.update(instance, validated_data)
def update(self, instance, validated_data):
# Update all the basic fields
instance.title = validated_data.get('title', instance.title)
# Save instance before processing/saving content in order to
# save associations to correct ID
instance.save()
attachment_json = validated_data.get('attachment_json', False)
if isinstance(attachment_json, list):
instance.save_attachments(attachment_json)
return instance
class PollSerializer(DispatchModelSerializer):
"""Serializes the Poll model."""
answers = serializers.SerializerMethodField()
answers_json = JSONField(required=False, write_only=True)
total_votes = serializers.SerializerMethodField()
question = serializers.CharField(required=True)
name = serializers.CharField(required=True)
class Meta:
model = Poll
fields = ('id', 'is_open', 'show_results', 'name', 'question',
'answers', 'answers_json', 'total_votes')
def get_total_votes(self, obj):
total_votes = 0
if self.is_authenticated() or obj.show_results:
total_votes = obj.get_total_votes()
return total_votes
def get_answers(self, obj):
answers = PollAnswer.objects.filter(poll_id=obj.id)
serializer = PollAnswerSerializer(answers,
many=True,
context=self.context)
return serializer.data
def create(self, validated_data):
# Create new ImageGallery instance
instance = Poll()
# Then save as usual
return self.update(instance, validated_data, True)
def update(self, instance, validated_data, is_new=False):
# Update all the basic fields
instance.question = validated_data.get('question', instance.question)
instance.name = validated_data.get('name', instance.name)
instance.is_open = validated_data.get('is_open', instance.is_open)
instance.show_results = validated_data.get('show_results',
instance.show_results)
# Save instance before processing/saving content in order to
# save associations to correct ID
instance.save()
answers = validated_data.get('answers_json')
if isinstance(answers, list):
instance.save_answers(answers, is_new)
return instance
class IntegrationSerializer(serializers.Serializer):
id = serializers.CharField(source='ID', read_only=True)
settings = JSONField(source='get_settings')
def save(self):
settings = self.validated_data.get('get_settings')
if settings:
self.instance.save(settings)
return self.instance
class ZoneSerializer(serializers.Serializer):
id = serializers.SlugField(read_only=True)
name = serializers.CharField(read_only=True)
widget = PrimaryKeyField(
allow_null=True,
serializer=WidgetSerializer(allow_null=True))
data = JSONField(required=False)
def validate(self, data):
"""Perform validation of the widget data"""
from dispatch.theme import ThemeManager
errors = {}
if data.get('widget') is not None:
try:
widget = ThemeManager.Widgets.get(data['widget'])
except WidgetNotFound as e:
errors['widget'] = str(e)
else:
for field in widget.fields:
field_data = data['data'].get(field.name)
if field_data is not None:
try:
field.validate(field_data)
except InvalidField as e:
errors[field.name] = str(e)
elif field.required:
errors[field.name] = '%s is required' % field.label
if errors:
raise ValidationError(errors)
return data
def update(self, instance, validated_data):
widget = validated_data.get('widget')
if not widget:
instance.delete()
else:
instance.save(validated_data)
return instance
class PageSerializer(DispatchModelSerializer, DispatchPublishableSerializer):
"""Serializes the Page model."""
id = serializers.ReadOnlyField(source='parent_id')
slug = serializers.SlugField(validators=[SlugValidator()])
is_published = NullBooleanField(read_only=True)
featured_image = ImageAttachmentSerializer(required=False, allow_null=True)
featured_video = VideoAttachmentSerializer(required=False, allow_null=True)
content = ContentSerializer()
url = serializers.CharField(source='get_absolute_url', read_only=True)
current_version = serializers.IntegerField(read_only=True,
source='revision_id')
template = TemplateSerializer(required=False, source='get_template')
template_id = serializers.CharField(required=False, write_only=True)
template_data = JSONField(required=False)
updated_at = serializers.DateTimeField(read_only=True)
class Meta:
model = Page
fields = ('id', 'slug', 'url', 'title', 'featured_image',
'featured_video', 'snippet', 'content', 'published_at',
'updated_at', 'is_published', 'published_version',
'current_version', 'latest_version', 'preview_id',
'template', 'template_id', 'template_data', 'seo_keyword',
'seo_description')
authenticated_fields = ('template', 'preview_id')
def create(self, validated_data):
instance = Page()
return self.update(instance, validated_data)
def update(self, instance, validated_data):
# Update all the basic fields
instance.title = validated_data.get('title', instance.title)
instance.slug = validated_data.get('slug', instance.slug)
instance.snippet = validated_data.get('snippet', instance.snippet)
instance.seo_keyword = validated_data.get('seo_keyword',
instance.seo_keyword)
instance.seo_description = validated_data.get('seo_description',
instance.seo_description)
instance.template = validated_data.get('template_id',
instance.template)
instance.template_data = validated_data.get('template_data',
instance.template_data)
# Save instance before processing/saving content in order to save associations to correct ID
instance.save()
instance.content = validated_data.get('content', instance.content)
featured_image = validated_data.get('featured_image', False)
if featured_image != False:
instance.save_featured_image(featured_image)
featured_video = validated_data.get('featured_video', False)
if featured_video != False:
instance.save_featured_video(featured_video)
# Perform a final save (without revision), update content and featured image
instance.save(
update_fields=['content', 'featured_image', 'featured_video'],
revision=False)
return instance
class ArticleSerializer(DispatchModelSerializer,
DispatchPublishableSerializer):
"""Serializes the Article model."""
id = serializers.ReadOnlyField(source='parent_id')
slug = serializers.SlugField(validators=[SlugValidator()])
is_published = NullBooleanField(read_only=True)
section = SectionSerializer(read_only=True)
section_id = serializers.IntegerField(write_only=True)
subsection = SubsectionSerializer(source='get_subsection', read_only=True)
subsection_id = serializers.IntegerField(write_only=True,
required=False,
allow_null=True)
featured_image = ImageAttachmentSerializer(required=False, allow_null=True)
featured_video = VideoAttachmentSerializer(required=False, allow_null=True)
content = ContentSerializer()
authors = AuthorSerializer(many=True, read_only=True)
author_ids = serializers.ListField(write_only=True,
child=serializers.JSONField(),
validators=[AuthorValidator])
authors_string = serializers.CharField(source='get_author_string',
read_only=True)
tags = TagSerializer(many=True, read_only=True)
tag_ids = serializers.ListField(write_only=True,
required=False,
child=serializers.IntegerField())
topic = TopicSerializer(read_only=True)
topic_id = serializers.IntegerField(write_only=True,
allow_null=True,
required=False)
url = serializers.CharField(source='get_absolute_url', read_only=True)
current_version = serializers.IntegerField(read_only=True,
source='revision_id')
template = TemplateSerializer(required=False, source='get_template')
template_id = serializers.CharField(required=False, write_only=True)
template_data = JSONField(required=False)
integrations = JSONField(required=False)
currently_breaking = serializers.BooleanField(
source='is_currently_breaking', read_only=True)
class Meta:
model = Article
fields = ('id', 'slug', 'url', 'headline', 'featured_image',
'featured_video', 'snippet', 'content', 'authors',
'author_ids', 'tags', 'tag_ids', 'topic', 'topic_id',
'authors_string', 'section', 'section_id', 'subsection',
'subsection_id', 'published_at', 'is_published',
'is_breaking', 'breaking_timeout', 'currently_breaking',
'published_version', 'current_version', 'latest_version',
'preview_id', 'importance', 'reading_time', 'template',
'template_id', 'template_data', 'seo_keyword',
'seo_description', 'integrations')
authenticated_fields = ('template', 'integrations', 'preview_id')
def create(self, validated_data):
instance = Article()
return self.update(instance, validated_data)
def update(self, instance, validated_data):
template = validated_data.get('template_id', instance.template)
template_data = validated_data.get('template_data',
instance.template_data)
tag_ids = validated_data.get('tag_ids', False)
tags = []
if tag_ids != False:
for tag_id in tag_ids:
try:
tags.append(Tag.objects.get(id=int(tag_id)))
except Tag.DoesNotExist:
pass
subsection_id = validated_data.get('subsection_id', None)
TemplateValidator(template, template_data, tags, subsection_id)
section_id = validated_data.get('section_id', instance.section_id)
SectionValidator(section_id, subsection_id, template, tags)
# Update basic fields
instance.headline = validated_data.get('headline', instance.headline)
instance.section_id = section_id
instance.slug = validated_data.get('slug', instance.slug)
instance.snippet = validated_data.get('snippet', instance.snippet)
instance.reading_time = validated_data.get('reading_time',
instance.reading_time)
instance.importance = validated_data.get('importance',
instance.importance)
instance.is_breaking = validated_data.get('is_breaking',
instance.is_breaking)
instance.breaking_timeout = validated_data.get(
'breaking_timeout', instance.breaking_timeout)
instance.seo_keyword = validated_data.get('seo_keyword',
instance.seo_keyword)
instance.seo_description = validated_data.get('seo_description',
instance.seo_description)
instance.integrations = validated_data.get('integrations',
instance.integrations)
instance.template = template
instance.template_data = template_data
instance.save()
instance.content = validated_data.get('content', instance.content)
featured_image = validated_data.get('featured_image', False)
if featured_image != False:
instance.save_featured_image(featured_image)
featured_video = validated_data.get('featured_video', False)
if featured_video != False:
instance.save_featured_video(featured_video)
authors = validated_data.get('author_ids')
if authors:
instance.save_authors(authors, is_publishable=True)
if tag_ids != False:
instance.save_tags(tag_ids)
topic_id = validated_data.get('topic_id', False)
if topic_id != False:
instance.save_topic(topic_id)
subsection_id = validated_data.get('subsection_id', None)
instance.save_subsection(subsection_id)
# Perform a final save (without revision), update content and featured image
instance.save(update_fields=[
'content', 'featured_image', 'featured_video', 'topic'
],
revision=False)
return instance
