event.rb

require 'active_record'

class Event < ActiveRecord::Base
	has_many :event_signups, :dependent => :destroy
	has_one :reservation, :dependent => :destroy
	belongs_to :location
	belongs_to :event_type
	belongs_to :service_space
	alias_method :type, :event_type
	alias_method :signups, :event_signups

	scope :in_day, ->(time) {
		today = time.in_time_zone.midnight
		tomorrow = (time.in_time_zone.midnight + 1.day + 1.hour).in_time_zone.midnight
		where('(start_time >= ? AND start_time < ?) OR (end_time >= ? AND end_time < ?)', today.getutc, tomorrow.getutc, today.getutc, tomorrow.getutc)
	}

	scope :in_week, ->(time) {
		last_sunday = time.in_time_zone.week_start
		next_sunday = (time.in_time_zone.week_start + 1.week + 1.hour).in_time_zone.week_start
		where('(start_time >= ? AND start_time < ?) OR (end_time >= ? AND end_time < ?)', last_sunday.getutc, next_sunday.getutc, last_sunday.getutc, next_sunday.getutc)
	}

	# returns length in minutes. If start or end is nil, returns 0
	def length
		if end_time.nil? || start_time.nil?
			return 0
		end
		((end_time - start_time) / 60).to_i
	end

	def info_link
		"/#{service_space.url_name}/events/#{id}/"
	end

	def edit_link
		"/#{service_space.url_name}/admin/events/#{id}/edit/"
	end

	def has_reservation
		!self.reservation.nil?
	end

	def image_src
		"/images/#{id}/"
	end

	def set_data(params)
		self.title = params[:title]
		self.description = params[:description]
		self.start_time = calculate_time(params[:start_date], params[:start_time_hour], params[:start_time_minute], params[:start_time_am_pm])
		self.end_time = calculate_time(params[:end_date], params[:end_time_hour], params[:end_time_minute], params[:end_time_am_pm])
		self.event_type_id = params[:type]
		self.location_id = params[:location]
		self.max_signups = params[:limit_signups] == 'on' ? params[:max_signups].to_i : nil
		self.save
	end

	def set_image_data(params)
		if params[:imagedata]
			self.imagemime = params[:imagedata][:type]
			self.imagedata = params[:imagedata][:tempfile].read if params[:imagedata][:tempfile].is_a?(Tempfile)
		end
		self.save
	end

	def remove_image_data
		self.imagemime = nil
		self.imagedata = nil
		self.save
	end
end