crm_google_calendar_model_hooks.rb

class CrmGoogleCalendarModelHooks < FatFreeCRM::Callback::Base
  
  Task.class_eval do
    after_create  :create_gcalendar
    after_update  :update_gcalendar
    after_destroy :destroy_gcalendar

    require 'gcal4ruby'
    
    #----------------------------------------------------------------------------
    def create_gcalendar
      if cal = get_calendar
        if bucket == "specific_time"
          event = GCal4Ruby::Event.new(cal)
          if assigned_to
            attendee = User.find(assigned_to)
            event.attendees = [{ :name => attendee.full_name, :email => attendee.email }]
          end
          event.title = get_title
          event.start = get_event_start
          event.end = get_event_end
          # TODO: Put the uri of the task: event.where = request.request_uri
          event.reminder = { :minutes => "15", :method => 'email' }
          event.save     
        end
      end
    end    

    #----------------------------------------------------------------------------
    def update_gcalendar
      if cal = get_calendar
        if bucket == "specific_time"        
          title = get_title
          
          # Search for the event
          event = GCal4Ruby::Event.find(cal, title, {:scope => :first})
          unless event.blank?
            if assigned_to
              attendee = User.find(assigned_to)
              event.attendees = [{ :name => attendee.full_name, :email => attendee.email }]
            end            
            event.title = title
            event.start = get_event_start
            event.end = get_event_end
            # TODO: Put the uri of the task: event.where = request.request_uri
            event.reminder = { :minutes => "15", :method => 'email' }
            event.save
          else
            create_gcalendar
          end
        end      
      end
    end

    #----------------------------------------------------------------------------
    def destroy_gcalendar
      if cal = get_calendar
        if bucket == "specific_time"  
          # Search for the event
          event = GCal4Ruby::Event.find(cal, get_title, {:scope => :first})
          unless event.blank?
            event.delete
          end
        end      
      end
    end    
    
    #----------------------------------------------------------------------------
    def get_calendar
      
      current_user = User.find(user_id)
      
      service = GCal4Ruby::Service.new
      
      begin
        service.authenticate(current_user.pref[:google_account], current_user.pref[:google_password])
      rescue GCal4Ruby::HTTPPostFailed => ex
        return false
      end
      
      service.calendars.first
      
    end
    
    #----------------------------------------------------------------------------
    def get_title
        if asset_id.blank? 
          "crm - #{get_category} - #{name}"
        else
          "crm - #{get_category} - #{name} (#{asset_type}: #{asset_type == "Contact" ? asset.full_name : asset.name})"
        end      
    end
 
    #----------------------------------------------------------------------------
    def get_category
      category == "" ? "other" : category
    end
    
    #----------------------------------------------------------------------------
    def get_event_start
      Setting.task_calendar_with_time == true ? due_at : due_at + 28800
    end

    #----------------------------------------------------------------------------
    def get_event_end
      Setting.task_calendar_with_time == true ? due_at : due_at + 32400
    end    
    
  end
  
end