110 lines
2.3 KiB
Ruby
110 lines
2.3 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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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_path,
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:previous_post => self.previous_post_path,
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:likes => self.likes,
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:reshares => self.reshares,
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:comments => self.comments,
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:participations => self.participations,
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:templateName => template_name
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})
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end
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def comments
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as_api(post.comments)
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end
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def likes
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as_api(post.likes)
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end
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def reshares
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as_api(post.reshares)
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end
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def participations
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as_api(post.participations)
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end
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def user_like
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return unless user_signed_in?
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if like = post.likes.where(:author_id => 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 user_signed_in?
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if participation = post.participations.where(:author_id => 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 user_signed_in?
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self.post.reshares.where(:author_id => person.id).first
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end
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def next_post_path
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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_path
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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 template_name
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@template_name ||= TemplatePicker.new(post).template_name
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end
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protected
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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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def as_api(collection)
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collection.includes(:author => :profile).all.map do |element|
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element.as_api_response(:backbone)
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end
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end
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def post_base
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Post.visible_from_author(self.post.author, current_user)
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end
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def person
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self.current_user.person
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end
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def user_signed_in?
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current_user.present?
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end
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end
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