app/controllers/comments_controller.rb
class CommentsController < ApplicationController
include CustomUrlsHelper
before_action :authenticate_user!, only: :create
before_action :load_commentable, only: :create
before_action :verify_resident_for_commentable!, only: :create
before_action :verify_comments_open!, only: [:create, :vote]
before_action :build_comment, only: :create
load_and_authorize_resource
respond_to :html, :js
def create
if @comment.save
CommentNotifier.new(comment: @comment).process
add_notification @comment
else
render :new
end
end
def show
@comment = Comment.find(params[:id])
if @comment.valuation && @comment.author != current_user
raise ActiveRecord::RecordNotFound
else
set_comment_flags(@comment.subtree)
end
end
def vote
@comment.vote_by(voter: current_user, vote: params[:value])
respond_with @comment
end
def flag
Flag.flag(current_user, @comment)
set_comment_flags(@comment)
respond_with @comment, template: 'comments/_refresh_flag_actions'
end
def unflag
Flag.unflag(current_user, @comment)
set_comment_flags(@comment)
respond_with @comment, template: 'comments/_refresh_flag_actions'
end
private
def comment_params
params.require(:comment).permit(:commentable_type, :commentable_id, :parent_id,
:body, :as_moderator, :as_administrator, :valuation)
end
def build_comment
@comment = Comment.build(@commentable, current_user, comment_params[:body],
comment_params[:parent_id].presence,
comment_params[:valuation])
check_for_special_comments
end
def check_for_special_comments
if administrator_comment?
@comment.administrator_id = current_user.administrator.id
elsif moderator_comment?
@comment.moderator_id = current_user.moderator.id
end
end
def load_commentable
@commentable = Comment.find_commentable(comment_params[:commentable_type],
comment_params[:commentable_id])
end
def administrator_comment?
["1", true].include?(comment_params[:as_administrator]) &&
can?(:comment_as_administrator, @commentable)
end
def moderator_comment?
["1", true].include?(comment_params[:as_moderator]) &&
can?(:comment_as_moderator, @commentable)
end
def add_notification(comment)
notifiable = comment.reply? ? comment.parent : comment.commentable
notifiable_author_id = notifiable.try(:author_id)
if notifiable_author_id.present? && notifiable_author_id != comment.author_id
Notification.add(notifiable.author, notifiable)
end
end
def verify_resident_for_commentable!
return if current_user.administrator? || current_user.moderator?
if @commentable.respond_to?(:comments_for_verified_residents_only?) &&
@commentable.comments_for_verified_residents_only?
verify_resident!
end
end
def verify_comments_open!
return if current_user.administrator? || current_user.moderator?
if @commentable.respond_to?(:comments_closed?) && @commentable.comments_closed?
redirect_to @commentable, alert: t('comments.comments_closed')
end
end
end