77 lines
2 KiB
Ruby
77 lines
2 KiB
Ruby
require File.join(File.dirname(__FILE__), '..', '..', 'lib', 'template_picker')
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class PostPresenter
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attr_accessor :post, :current_user
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def initialize(post, current_user = nil)
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self.post = post
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self.current_user = current_user
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end
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def to_json(options = {})
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{
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:post => self.post.as_api_response(:backbone).update(
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{
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:user_like => self.user_like,
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:user_participation => self.user_participation,
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:likes_count => self.post.likes.count,
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:participations_count => self.post.participations.count,
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:reshares_count => self.post.reshares.count,
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:user_reshare => self.user_reshare,
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:next_post => self.next_post_url,
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:previous_post => self.previous_post_url
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}),
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:templateName => TemplatePicker.new(self.post).template_name
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}
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end
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def user_like
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return unless self.current_user.present?
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if like = Like.where(:target_id => self.post.id, :target_type => "Post", :author_id => current_user.person.id).first
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like.as_api_response(:backbone)
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end
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end
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def user_participation
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return unless self.current_user.present?
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if participation = Participation.where(:target_id => self.post.id, :target_type => "Post", :author_id => current_user.person.id).first
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participation.as_api_response(:backbone)
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end
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end
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def user_reshare
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return unless self.current_user.present?
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Reshare.where(:root_guid => self.post.guid, :author_id => current_user.person.id).exists?
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end
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def next_post_url
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if n = next_post
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Rails.application.routes.url_helpers.post_path(n)
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end
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end
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def previous_post_url
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if p = previous_post
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Rails.application.routes.url_helpers.post_path(p)
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end
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end
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def next_post
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post_base.next(post)
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end
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def previous_post
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post_base.previous(post)
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end
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protected
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def post_base
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if current_user
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current_user.posts_from(self.post.author)
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else
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self.post.author.posts.all_public
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end
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end
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end
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