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Contents
module RailsConnector
#
# This class provides a default controller implementation for comment creation.
# It should only be used indirectly via a subclass named {CommentsController}.
#
# The controller actions only respond to XMLHttpRequests (Ajax).
class DefaultCommentsController < ApplicationController
layout nil
before_filter :ensure_object_is_commentable, :only => :create
before_filter :ensure_admin, :only => :delete
#
# Creates a comment and calls the +after_create+ callback.
#
def create
respond_to do |format|
format.js do
@comment = @obj.comments.create(
if logged_in?
params[:comment].merge({
:name => "#{current_user.first_name} #{current_user.last_name}",
:email => current_user.email
})
else
params[:comment]
end
)
if @comment.errors.empty?
after_create
html = render_to_string(:partial => "comments/comment", :locals => {:comment => @comment})
render :json => {:comment => html}.to_json
else
render :json => {:errors => @comment.errors.keys}.to_json
end
end
end
end
#
# Deletes a comment.
# Allowed only to an admin.
#
def delete
respond_to do |format|
format.html do
@comment = Comment.find(params[:id])
@comment.destroy
redirect_to :back
end
end
end
private
def ensure_object_is_commentable
@obj = Obj.find(params[:obj_id])
render :nothing => true unless @obj.allow_comments?
unless @obj.allow_anonymous_comments? or logged_in?
render '/errors/403_forbidden', :status => 403
end
end
def ensure_admin
render("errors/403_forbidden", :status => 403) unless admin?
end
def after_create; end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems