univ-pau-ics/build/router/controller/ics.php

<?php

	namespace router\controller;

	use \database\core\DatabaseDriver;


	class ics{


		private $diplome_id;

		/* PRE-CALL
		*
		* @url<String>									Calling URI
		*
		*/
		public function __construct($url){
			$this->diplome_id = $url['diplome_id'];

		}


		/* CALL
		*
		*/
		public function download(){

			/* [1] Check .ics file
			=========================================================*/
			/* (1) Set file name */
			$file_name = __ROOT__."/tmp/".$this->diplome_id.".ics";

			/* (2) Check if exists */
			if( !file_exists($file_name) )
				die("An error occured. Please contact the developers.\n");


			/* [2] Display file
			=========================================================*/
			/* (1) Headers */
			header('Content-Type: text/calendar; charset=utf-8');
			header('Content-Disposition: attachment; filename='.$this->diplome_id.'.ics');

			/* (2) Body */
			readfile($file_name);


		}



		public function lessons(){

			/* [1] Get database data
			=========================================================*/
			/* (1) Get the list of available events */
			$sqlr = DatabaseDriver::getPDO()->prepare("SELECT * FROM event WHERE id_diplome = :idd");
			$sqlr->execute([ ':idd' => $this->diplome_id ]);
			$d_cols = $sqlr->fetchAll();

			/* (2) Manage error */
			if( !$d_cols )
				die("Correction not available for this diplome");



			echo "<form method='POST' action='/xlessons/".$this->diplome_id."'>";
				echo "<table><thead style='font-weight: bold;'><tr><td>Read name</td><td>Correction</td></tr></thead><tbody>";

				foreach($d_cols as $data){

					$id       = $data['id_event'];
					$basename = $data['basename'];
					$color    = $data['color'];
					$name     = $data['name'];

					echo "<tr><td>$basename</td><td><input type='text' style='display: inline-block; margin: 1em .2em; padding: .2em; border: none; background-color: $color;' name='name[$id]' value='$name'></td></tr>";

				}
				echo "</tbody></table>";

				echo "<input type='submit' value='SAVE'>";

			echo "</form>";

		}

		// todo
		public function location(){

			/* [1] Get events data
			=========================================================*/
			/* (1) Get the list of available events */
			// $sqlr = DatabaseDriver::getPDO()->prepare("SELECT * FROM event WHERE id_diplome = :idd");
			// $sqlr->execute([ ':idd' => $this->diplome_id ]);
			// $events = $sqlr->fetchAll();

			/* (2) Manage error */
			// if( !$events )
			// 	die("Correction not available for this diplome");

			/* [2] Get location data
			=========================================================*/
			// foreach($events as &$event){

				$location = [];

				/* (1) Get the list of available locations*/
				$sqlr = DatabaseDriver::getPDO()->prepare("SELECT l.id_location as idl, l.name as name, l.basename as basename, e.name as ename, e.color as color FROM location as l, event as e WHERE l.id_event = e.id_event AND e.id_diplome = :idd GROUP BY idl, name, basename, ename, color");
				$sqlr->execute([ ':idd' => $this->diplome_id ]);
				$fetched = $sqlr->fetchAll();

				if( !$fetched ){
					$fetched[] = [];
					$locdata[] = [];
				}

				foreach($fetched as $raw){

					if( !isset($location[$raw['ename']]) )
						$location[$raw['ename']] = [];

					$location[$raw['ename']][] = intval( $raw['idl'] );

					$locdata[$raw['ename']] = [ $raw['name'], $raw['basename'], $raw['color'] ];

				}

			// }


			echo "<form method='POST' action='/xlocation/".$this->diplome_id."'>";
				echo "<table><thead style='font-weight: bold;'><tr><td>Lesson</td><td>Read name</td><td>Correction</td></tr></thead><tbody>";

				foreach($location as $ename=>$ids){

					$color    = $locdata[$ename][2];
					$id       = implode(",", $ids);
					$name     = $locdata[$ename][0];
					$basename = $locdata[$ename][1];

					echo "<tr><td><b>$ename</b></td><td>$basename</td><td><input type='text' style='display: inline-block; margin: 1em .2em; padding: .2em; border: none; background-color: $color;' name='name[$id]' value='$name'></td></tr>";
				}

				echo "</tbody></table>";

				echo "<input type='submit' value='SAVE'>";

			echo "</form>";

		}


		public function correct_lessons(){


			/* [1] Update data
			=========================================================*/ {

				/* (1) Check $_POST['name'] */
				if( !isset($_POST['name']) || !is_array($_POST['name']) )
					die("No data received");

				/* (2) Store corrections */
				foreach($_POST['name'] as $id=>$correct){

					if( !empty(trim($correct)) ){
						$sqlr = DatabaseDriver::getPDO()->prepare("UPDATE event SET name = :name WHERE id_event = :ide");
						$sqlr->execute([ ':name' => $correct, ':ide' => $id ]);

					}

				}

			}




			/* [2] Update file one the fly
			=========================================================*/
			/* (1) Get corrections */
			$sqlr = DatabaseDriver::getPDO()->prepare("SELECT id_event, name FROM event WHERE id_diplome = :idd");
			$sqlr->execute([ ':idd' => $this->diplome_id ]);

			/* (2) Manage error */
			if( !($fetched=$sqlr->fetchAll()) )
				die("Cannot update the .ics file now");

			/* (3) Format data */
			$corrections = [];

			foreach($fetched as $c)
				$corrections[$c['id_event']] = $c['name'];


			/* (3) Get file pointer */
			$fp = @file_get_contents(__ROOT__."/tmp/".$this->diplome_id.".ics");

			/* (4) Manage error */
			if( !$fp )
				die("Cannot update the .ics file now");


			/* (4) Read line by line */
			$line = explode("\n", $fp);

			for( $l = 0 ; $l < count($line)-1 ; $l++ ){

				// {1} If got the right pointer //
				if( preg_match('@^DESCRIPTION:event\@(\d+)$@', $line[$l], $m) ){

					// {2} If is in the list of correction //
					if( !isset($corrections[$m[1]]) )
						continue;

					// {3} Rewrite name //
					$line[++$l] = "SUMMARY:".$corrections[$m[1]];

				}

			}


			/* (5) Back in file */
			file_put_contents(__ROOT__."/tmp/".$this->diplome_id.".ics", implode("\n", $line));

			header('Location: /');
		}

		// todo
		public function correct_location(){

			/* [1] Update data
			=========================================================*/ {

				/* (1) Check $_POST['name'] */
				if( !isset($_POST['name']) || !is_array($_POST['name']) )
					die("No data received");

				/* (2) Store corrections */
				foreach($_POST['name'] as $ids=>$correct){

					if( !empty(trim($correct)) ){

						// check if containing id list
						if( !preg_match('@^\d+(,\d+)*$@', $ids) )
							continue;

						// update for each location
						$id_list = explode(',', $ids);

						foreach($id_list as $id){

							$sqlr = DatabaseDriver::getPDO()->prepare("UPDATE location SET name = :name WHERE id_location = :idl");
							$sqlr->execute([ ':name' => $correct, ':idl' => $id ]);

						}

					}

				}

			}




			/* [2] Update file one the fly
			=========================================================*/
			/* (1) Get corrections */
			$sqlr = DatabaseDriver::getPDO()->prepare("SELECT l.id_location as id_location, l.name as name FROM location as l, event as e WHERE l.id_event = e.id_event AND e.id_diplome = :idd");
			$sqlr->execute([ ':idd' => $this->diplome_id ]);

			/* (2) Manage error */
			if( !($fetched=$sqlr->fetchAll()) )
				die("Cannot update the .ics file now");

			/* (3) Format data */
			$corrections = [];

			foreach($fetched as $c)
				$corrections[$c['id_location']] = $c['name'];


			/* (3) Get file pointer */
			$fp = @file_get_contents(__ROOT__."/tmp/".$this->diplome_id.".ics");

			/* (4) Manage error */
			if( !$fp )
				die("Cannot update the .ics file now");


			/* (4) Read line by line */
			$line = explode("\n", $fp);

			for( $l = 0 ; $l < count($line)-1 ; $l++ ){

				// {1} If got the right pointer //
				if( preg_match('@^DESCRIPTION:location\@(\d+)$@', $line[$l], $m) ){

					// {2} If is in the list of correction //
					if( !isset($corrections[$m[1]]) )
						continue;

					// {3} Rewrite name //
					$line[++$l] = "LOCATION:".$corrections[$m[1]];

				}

			}


			/* (5) Back in file */
			file_put_contents(__ROOT__."/tmp/".$this->diplome_id.".ics", implode("\n", $line));

			header('Location: /');

		}

		/* POST-CALL
		*
		*/
		public function __destruct(){

		}



	}