342 lines
9.4 KiB
Ruby
342 lines
9.4 KiB
Ruby
class CommentsController < ApplicationController
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COMMENTS_PER_PAGE = 20
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# for rss feeds, load the user's tag filters if a token is passed
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before_filter :find_user_from_rss_token, :only => [ :index ]
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before_filter :require_logged_in_user_or_400,
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:only => [ :create, :preview, :upvote, :downvote, :unvote ]
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# for rss feeds, load the user's tag filters if a token is passed
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before_filter :find_user_from_rss_token, :only => [ :index ]
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def create
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if !(story = Story.where(:short_id => params[:story_id]).first) ||
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story.is_gone?
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return render :text => "can't find story", :status => 400
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end
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comment = story.comments.build
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comment.comment = params[:comment].to_s
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comment.user = @user
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if params[:hat_id] && @user.hats.where(:id => params[:hat_id])
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comment.hat_id = params[:hat_id]
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end
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if params[:parent_comment_short_id].present?
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if pc = Comment.where(:story_id => story.id, :short_id =>
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params[:parent_comment_short_id]).first
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comment.parent_comment = pc
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else
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return render :json => { :error => "invalid parent comment",
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:status => 400 }
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end
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end
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# prevent double-clicks of the post button
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if params[:preview].blank? &&
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(pc = Comment.where(:story_id => story.id, :user_id => @user.id,
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:parent_comment_id => comment.parent_comment_id).first)
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if (Time.now - pc.created_at) < 5.minutes
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comment.errors.add(:comment, "^You have already posted a comment " <<
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"here recently.")
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return render :partial => "commentbox", :layout => false,
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:content_type => "text/html", :locals => { :comment => comment }
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end
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end
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if comment.valid? && params[:preview].blank? && comment.save
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comment.current_vote = { :vote => 1 }
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render :partial => "comments/postedreply", :layout => false,
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:content_type => "text/html", :locals => { :comment => comment }
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else
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comment.upvotes = 1
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comment.current_vote = { :vote => 1 }
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preview comment
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end
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end
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def show
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if !((comment = find_comment) && comment.is_editable_by_user?(@user))
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return render :text => "can't find comment", :status => 400
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end
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render :partial => "comment", :layout => false,
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:content_type => "text/html", :locals => { :comment => comment }
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end
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def show_short_id
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if !(comment = find_comment)
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return render :text => "can't find comment", :status => 400
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end
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render :json => comment.as_json
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end
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def redirect_from_short_id
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if comment = find_comment
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return redirect_to comment.url
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else
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return render :text => "can't find comment", :status => 400
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end
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end
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def edit
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if !((comment = find_comment) && comment.is_editable_by_user?(@user))
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return render :text => "can't find comment", :status => 400
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end
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render :partial => "commentbox", :layout => false,
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:content_type => "text/html", :locals => { :comment => comment }
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end
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def reply
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if !(parent_comment = find_comment)
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return render :text => "can't find comment", :status => 400
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end
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comment = Comment.new
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comment.story = parent_comment.story
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comment.parent_comment = parent_comment
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render :partial => "commentbox", :layout => false,
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:content_type => "text/html", :locals => { :comment => comment }
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end
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def delete
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if !((comment = find_comment) && comment.is_deletable_by_user?(@user))
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return render :text => "can't find comment", :status => 400
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end
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comment.delete_for_user(@user, params[:reason])
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render :partial => "comment", :layout => false,
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:content_type => "text/html", :locals => { :comment => comment }
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end
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def undelete
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if !((comment = find_comment) && comment.is_undeletable_by_user?(@user))
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return render :text => "can't find comment", :status => 400
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end
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comment.undelete_for_user(@user)
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render :partial => "comment", :layout => false,
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:content_type => "text/html", :locals => { :comment => comment }
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end
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def dragon
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if !((comment = find_comment) && @user.is_moderator?)
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return render :text => "can't find comment", :status => 400
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end
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comment.become_dragon_for_user(@user)
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render :text => "ok"
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end
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def undragon
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if !((comment = find_comment) && @user.is_moderator?)
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return render :text => "can't find comment", :status => 400
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end
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comment.remove_dragon_for_user(@user)
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render :text => "ok"
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end
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def update
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if !((comment = find_comment) && comment.is_editable_by_user?(@user))
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return render :text => "can't find comment", :status => 400
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end
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comment.comment = params[:comment]
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comment.hat_id = nil
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if params[:hat_id] && @user.hats.where(:id => params[:hat_id])
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comment.hat_id = params[:hat_id]
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end
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if params[:preview].blank? && comment.save
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votes = Vote.comment_votes_by_user_for_comment_ids_hash(@user.id,
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[comment.id])
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comment.current_vote = votes[comment.id]
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render :partial => "comments/comment", :layout => false,
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:content_type => "text/html", :locals => { :comment => comment }
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else
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comment.current_vote = { :vote => 1 }
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preview comment
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end
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end
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def unvote
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if !(comment = find_comment)
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return render :text => "can't find comment", :status => 400
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end
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Vote.vote_thusly_on_story_or_comment_for_user_because(0, comment.story_id,
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comment.id, @user.id, nil)
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render :text => "ok"
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end
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def upvote
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if !(comment = find_comment)
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return render :text => "can't find comment", :status => 400
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end
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Vote.vote_thusly_on_story_or_comment_for_user_because(1, comment.story_id,
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comment.id, @user.id, params[:reason])
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render :text => "ok"
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end
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def downvote
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if !(comment = find_comment)
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return render :text => "can't find comment", :status => 400
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end
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if !Vote::COMMENT_REASONS[params[:reason]]
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return render :text => "invalid reason", :status => 400
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end
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if !@user.can_downvote?(comment)
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return render :text => "not permitted to downvote", :status => 400
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end
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Vote.vote_thusly_on_story_or_comment_for_user_because(-1, comment.story_id,
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comment.id, @user.id, params[:reason])
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render :text => "ok"
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end
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def index
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@rss_link ||= { :title => "RSS 2.0 - Newest Comments",
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:href => "/comments.rss#{@user ? "?token=#{@user.rss_token}" : ""}" }
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@heading = @title = I18n.t 'controllers.comments_controller.commentstitle'
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@cur_url = "/comments"
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@page = params[:page].to_i
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if @page == 0
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@page = 1
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elsif @page < 0 || @page > (2 ** 32)
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raise ActionController::RoutingError.new("page out of bounds")
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end
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@comments = Comment.where(
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:is_deleted => false, :is_moderated => false
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).order(
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"created_at DESC"
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).offset(
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(@page - 1) * COMMENTS_PER_PAGE
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).limit(
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COMMENTS_PER_PAGE
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).includes(
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:user, :story
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)
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if @user
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@comments = @comments.where("story_id NOT IN (SELECT story_id FROM " <<
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"hidden_stories WHERE user_id = ?)", @user.id)
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@votes = Vote.comment_votes_by_user_for_comment_ids_hash(@user.id,
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@comments.map{|c| c.id })
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@comments.each do |c|
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if @votes[c.id]
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c.current_vote = @votes[c.id]
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end
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end
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end
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respond_to do |format|
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format.html { render :action => "index" }
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format.rss {
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if @user && params[:token].present?
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@title = "Private comments feed for #{@user.username}"
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end
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render :action => "index.rss", :layout => false
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}
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end
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end
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def threads
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if params[:user]
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@showing_user = User.where(:username => params[:user]).first!
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@heading = @title = "Threads for #{@showing_user.username}"
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@cur_url = "/threads/#{@showing_user.username}"
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elsif !@user
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# TODO: show all recent threads
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return redirect_to "/login"
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else
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@showing_user = @user
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@heading = @title = I18n.t 'controllers.comments_controller.threadstitle'
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@cur_url = "/threads"
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end
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thread_ids = @showing_user.recent_threads(20,
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include_submitted_stories = !!(@user && @user.id == @showing_user.id))
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comments = Comment.where(
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:thread_id => thread_ids
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).includes(
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:user, :story
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).arrange_for_user(
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@showing_user
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)
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comments_by_thread_id = comments.group_by(&:thread_id)
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@threads = comments_by_thread_id.values_at(*thread_ids).compact
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if @user
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@votes = Vote.comment_votes_by_user_for_story_hash(@user.id,
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comments.map(&:story_id).uniq)
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comments.each do |c|
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if @votes[c.id]
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c.current_vote = @votes[c.id]
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end
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end
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end
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# trim each thread to this user's first response
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# XXX: busted
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#@threads.each do |th|
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# th.each do |c|
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# if c.user_id == @user.id
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# break
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# else
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# th.shift
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# end
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# end
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#end
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end
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private
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def preview(comment)
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comment.previewing = true
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comment.is_deleted = false # show normal preview for deleted comments
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render :partial => "comments/commentbox", :layout => false,
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:content_type => "text/html", :locals => {
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:comment => comment, :show_comment => comment }
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end
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def find_comment
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comment = Comment.where(:short_id => params[:id]).first
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if @user && comment
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comment.current_vote = Vote.where(:user_id => @user.id,
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:story_id => comment.story_id, :comment_id => comment.id).first
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end
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comment
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end
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end
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