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# frozen_string_literal: true
class ProcessHashtagsService < BaseService
def call(status, raw_tags = [])
@status = status
@account = status.account
@raw_tags = status.local? ? Extractor.extract_hashtags(status.text) : raw_tags
@previous_tags = status.tags.to_a
@current_tags = []
assign_tags!
update_featured_tags!
end
private
def assign_tags!
@status.tags = @current_tags = Tag.find_or_create_by_names(@raw_tags)
end
def update_featured_tags!
return unless @status.distributable?
added_tags = @current_tags - @previous_tags
unless added_tags.empty?
@account.featured_tags.where(tag_id: added_tags.map(&:id)).each do |featured_tag|
featured_tag.increment(@status.created_at)
end
end
removed_tags = @previous_tags - @current_tags
unless removed_tags.empty?
@account.featured_tags.where(tag_id: removed_tags.map(&:id)).each do |featured_tag|
featured_tag.decrement(@status.id)
end
end
end
end
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