<!--- 

Developer: Coralys Cubero Rivera
Fall 2018

This script deletes a selected row from the 'questionnaires table and then returns 
the user to the questionnaires main page. 



Updated by: Víctor A. Hernández
Summer 2019

--->

<?php

	require_once 'processes/config.php';
	require_once 'processes/dbh.inc.php';

	// IF USER ENTERS PAGE AFTER YES BUTTON HAS BEEN PRESSED (FROM confirmDeleteQuestionnaire.php), DELETE QUESTIONNAIRE FROM DATABASE
	// ELSE DO NOTHING
	if(isset($_GET['del'])) {
		$query = "DELETE FROM `questionnair` WHERE `id`='".$_GET['del']."';";
		if(!mysqli_query($connection, $query)) die("Error: ".mysqli_error($connection));
		
		// HAY QUE BORRAR CADA ASOCIACIÓN CUESTIONARIO-PREGUNTA (sería con un while()? o se 'seleccionan' todos y se borran a la vez?)
		/*
		$query = "DELETE FROM `questionnair_question` WHERE `id_questionnair`='".$_GET['del']."';";
		if(!mysqli_query($connection, $query)) die("Error: ".mysqli_error($connection));	
		*/
		
		// WHY NOT USE header INSTEAD OF window.top.location?
		//header('Location: http://emaapp.online/admin_nuevo/questionnaires.php');
		//exit();
		echo "<script>window.top.location='http://emaapp.online/admin_nuevo/questionnaires.php'</script>";
	}