univ-pau-ics/build/service/Updater.php

<?php

	namespace service;

	class Updater{

		/* [1] Attributes
		=========================================================*/
		private $config = null;


		/* (1) Constructs and initialise an updater
		*
		* @return instance<Updater>			New Updater
		*
		---------------------------------------------------------*/
		public function __construct(){

			/* [1] Fetch config
			=========================================================*/ {

				/* (1) Try to load the configuration */
				$this->config = Config::load("http://sciences.univ-pau.fr/edt/_ressource.js", "http://sciences.univ-pau.fr/edt/_periode.js");

				/* (2) If cannot fetch config */
				if( !($this->config instanceof Config) )
					throw new \Exception("Cannot fetch configuration");

			}

		}



		/* (2) Update the ICS files
		*
		* @return error<bool>			FALSE on error
		*
		---------------------------------------------------------*/
		public function update(){

			/* [1] Browse ech diplome
			=========================================================*/
			foreach($this->config->getDiplomes() as $d_id=>$d_name){

				file_put_contents(__ROOT__."/tmp/$d_id.ics", "BEGIN:VCALENDAR\nVERSION:2.0\nMETHOD:PUBLISH\nX-WR-CALNAME: UPPA $d_name\n");

				/* (1) Browse each date
				---------------------------------------------------------*/
				foreach($this->config->getPeriods() as $p_id=>$p_date){

					/* (1) Load image in the extractor */
					$calext = new CalendarExtractor("http://sciences.univ-pau.fr/edt/diplomes/${d_id}${p_id}.png", $p_date);

					/* (2) Extract calendar data */
					$calext->process();

					/* (3) Get ICS events representation */
					$EVENTS = $calext->toIcs();

					/* (4) Add to file */
					file_put_contents(__ROOT__."/tmp/$d_id.ics", $EVENTS, FILE_APPEND);

				}

				file_put_contents(__ROOT__."/tmp/$d_id.ics", "END:VCALENDAR", FILE_APPEND);

			}
		}




	}