app/controllers/activities_controller.rb
class ActivitiesController < ApplicationController
before_filter :authenticate_user_from_token!, :only => :create
before_filter :authenticate_user!
def index
# TODO can be divided into two actions
first_activity_id = 1
if params[:oldest]
activities = Channel.find(params[:channel_id]).
activities.
includes(:user).
order('id DESC').
where("id < ?", params[:oldest]).
limit(Kandan::Config.options[:per_page])
else
activities = Channel.find(params[:channel_id]).
activities.
includes(:user).
order('id DESC').
limit(Kandan::Config.options[:per_page])
end
first_activity = Activity.order('id').where(:channel_id => params[:channel_id]).first
first_activity_id = first_activity.id if not first_activity.nil?
# NOTE if the action is accessed then there's definitely activities, so skip check for #first to be nil
more_activities = first_activity_id < (activities.last.try(:id).presence || 1)
activities.each { |a| a.user ||= User.deleted_user }
respond_to do |format|
format.json { render :text => {:activities => activities.reverse, :more_activities => more_activities }.to_json(:include => :user) }
end
end
def create
@activity = Channel.find(params[:channel_id]).activities.build(params[:activity])
@activity.user_id = current_user.id if @activity.action == "message"
respond_to do |format|
if @activity.save
format.json { render :json => @activity, :status => :created }
else
format.json { render :json => @activity.errors, :status => :unprocessable_entity }
end
end
end
def show
@activity = Activity.find params[:id]
respond_to do |format|
format.html do
render :inline => "<pre><%= @activity.content %></pre>", :content_type => 'text/html'
end
format.json { render :json => @activity }
end
end
end