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# Copyright (c) 2010-2011, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
require Rails.root.join("app", "presenters", "post_presenter")
class LikesController < ApplicationController
include ApplicationHelper
before_filter :authenticate_user!
respond_to :html,
:mobile,
:json
def create
@like = current_user.like!(target) if target
if @like
respond_to do |format|
format.html { render :nothing => true, :status => 201 }
format.mobile { redirect_to post_path(@like.post_id) }
format.json { render :json => find_json_for_like, :status => 201 }
end
else
render :nothing => true, :status => 422
end
end
def destroy
@like = Like.where(:id => params[:id], :author_id => current_user.person.id).first
if @like
current_user.retract(@like)
respond_to do |format|
format.json { render :json => find_json_for_like, :status => 202 }
end
else
respond_to do |format|
format.mobile { redirect_to :back }
format.json { render :nothing => true, :status => 403}
end
end
end
def index
if target
@likes = target.likes.includes(:author => :profile)
@people = @likes.map(&:author)
respond_to do |format|
format.all{ render :layout => false }
format.json{ render :json => @likes.as_api_response(:backbone) }
end
else
render :nothing => true, :status => 404
end
end
protected
def target
@target ||= if params[:post_id]
current_user.find_visible_shareable_by_id(Post, params[:post_id])
else
comment = Comment.find(params[:comment_id])
comment = nil unless current_user.find_visible_shareable_by_id(Post, comment.commentable_id)
comment
end
end
def find_json_for_like
if @like.parent.is_a? Post
ExtremePostPresenter.new(@like.parent, current_user).as_json
elsif @like.parent.is_a? Comment
CommentPresenter.new(@like.parent)
else
@like.parent.respond_to?(:as_api_response) ? @like.parent.as_api_response(:backbone) : @like.parent.as_json
end
end
end
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