46 lines
870 B
Ruby
46 lines
870 B
Ruby
# frozen_string_literal: true
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class LikeService
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def initialize(user=nil)
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@user = user
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end
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def create(post_id)
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post = post_service.find!(post_id)
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user.like!(post)
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end
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def destroy(like_id)
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like = Like.find(like_id)
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if user.owns?(like)
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user.retract(like)
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true
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else
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false
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end
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end
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def find_for_post(post_id)
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likes = post_service.find!(post_id).likes
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user ? likes.order(Arel.sql("author_id = #{user.person.id} DESC")) : likes
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end
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def unlike_post(post_id)
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likes = post_service.find!(post_id).likes
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likes = likes.order(Arel.sql("author_id = #{user.person.id} DESC"))
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if !likes.empty? && user.owns?(likes[0])
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user.retract(likes[0])
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true
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else
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false
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end
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end
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private
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attr_reader :user
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def post_service
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@post_service ||= PostService.new(user)
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end
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end
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