calendar_months_controller.rb

class CalendarMonthsController < ApplicationController
  caches_embedded :mini_calendar, :ttl => 60.minutes
  
  def mini_calendar
    user_id = params[:user_id]
    
    @month_offset = params[:month_offset] ? params[:month_offset].to_i : 0
    
    @year = Date.today.year
    @month = Date.today.to_time.advance(:months => @month_offset).to_date.month
    
    start_date = Date.civil(@year,@month,1)
    end_date  = start_date.to_time.advance(:months => 1).to_date
    
    @day_class = []
    
    (end_date - start_date).to_i.times do |idx|
      day = idx+1
      #please keep in mind we are using UTC and using first only for now we should go to all cal instances :S
      day_date = start_date.to_time.advance(:days => day).to_date
      day_instance = CalendarInstance.find(:first, :conditions => ["? BETWEEN begin_date_time AND end_date_time", day_date])
      
      if day_instance
        number_of_available_seconds = day_instance.end_date_time - day_instance.begin_date_time
        logger.info "Aval before: #{number_of_available_seconds}"
        appointments = Appointment.find(:all, :conditions => ["date_time_starts BETWEEN ? AND ?", day_instance.begin_date_time.to_time, day_instance.begin_date_time.to_time.advance(:seconds => number_of_available_seconds)] )
        for appointment in appointments do
          number_of_available_seconds = number_of_available_seconds - (appointment.date_time_ends - appointment.date_time_starts)
          logger.info "Aval during: #{number_of_available_seconds}"
        end
        logger.info "Aval after: #{number_of_available_seconds}"
        if number_of_available_seconds > 3600
          @day_class[day] = "open"  
        elsif number_of_available_seconds > 1200
          @day_class[day] = "oneopen" 
        else
          @day_class[day] = "full" 
        end
      else
        @day_class[day] = "nowork"
      end
    end
    
    render :layout => false
  end
end