app/controllers/channels_controller.rb
class ChannelsController < ApplicationController
before_filter :authenticate_user!
before_filter :find_channel_by_name, :only => :show
load_and_authorize_resource
def index
# NOTE Eager loading doesn't respect limit
nested_channel_data = []
# TODO this can be shortened
@channels.each do |channel|
activities = []
more_activities = (channel.activities.count > Kandan::Config.options[:per_page])
channel.activities.order('id DESC').includes(:user).page.each do |activity|
activities.push activity.attributes.merge({
:user => activity.user_or_deleted_user.as_json(:only => [:id, :email, :first_name, :last_name, :gravatar_hash, :active, :locale, :username, :avatar_url])
})
end
nested_channel_data.push channel.attributes.merge({:activities => activities.reverse, :more_activities => more_activities})
end
respond_to do |format|
format.json { render :text => nested_channel_data.to_json }
end
end
def create
@channel = Channel.new(params[:channel])
@channel.user_id = current_user.id
respond_to do |format|
if @channel.save
format.json { render :json => @channel, :status => :created }
else
format.json { render :json => @channel.errors, :status => :unprocessable_entity }
end
end
end
def show
respond_to do |format|
format.json { render :json => @channel }
end
end
def update
respond_to do |format|
if @channel.update_attributes(params[:channel])
format.json { render :json => @channel, :status => :ok }
else
format.json { render :json => @channel.errors, :status => :unprocessable_entity }
end
end
end
def destroy
@channel.destroy
respond_to do |format|
format.json { render :json => nil, :status => :ok}
end
end
private
def find_channel_by_name
@channel = Channel.where("LOWER(name) = ?", params['id'].downcase).first
end
end