discourse/app/serializers/topic_list_item_serializer.rb

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require_dependency 'pinned_check'
class TopicListItemSerializer < ListableTopicSerializer
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attributes :views,
:like_count,
:visible,
:pinned,
:closed,
:archived,
:starred,
:has_best_of,
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:archetype,
:rank_details,
:excerpt
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has_one :category, serializer: BasicCategorySerializer
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has_many :posters, serializer: TopicPosterSerializer, embed: :objects
def starred
object.user_data.starred?
end
alias :include_starred? :seen
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# This is for debugging / tweaking the hot topic rankings.
# We will likely remove it after we are happier with things.
def rank_details
hot_topic_type = case object.hot_topic.hot_topic_type
when 1 then 'sticky'
when 2 then 'recent high scoring'
when 3 then 'old high scoring'
end
{topic_score: object.score,
percent_rank: object.percent_rank,
random_bias: object.hot_topic.random_bias,
random_multiplier: object.hot_topic.random_multiplier,
days_ago_bias: object.hot_topic.days_ago_bias,
days_ago_multiplier: object.hot_topic.days_ago_multiplier,
ranking_score: object.hot_topic.score,
hot_topic_type: hot_topic_type}
end
def include_rank_details?
object.topic_list.try(:has_rank_details?)
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end
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def posters
object.posters || []
end
def pinned
PinnedCheck.new(object, object.user_data).pinned?
end
def include_excerpt?
pinned
end
def excerpt
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object.posts.first.try(:excerpt,220, strip_links: true) || nil
end
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end