cwsvJudo/homepage/wkParticipo/lib/wkParticipo-userAttribute.php

<?php
error_reporting(E_ALL | E_STRICT); 
ini_set('display_errors',1);


$basePath = "/users/cwsvjudo/www";

	require_once($basePath."/config/cwsvJudo.config.php");
	require_once($basePath."/ressourcen/phpLib/cwsvJudo/miscAssis.php");


/// Ein Array als htmlTabelle darstellen
function array2htmlTableString($anArray){
$ret = "";
	if( !is_array($anArray) )
		return "";
	$ret .= "<table>";
	foreach($anArray as $row){
		if( !is_array($anArray) )
			continue;
		$ret .= "<tr>";
		foreach( $row as $entry )
			$ret .= "<td>".$entry."</td>";
		$ret .= "</tr>";
	}
	$ret .= "</table>";
return $ret;
}

/// einem User ein Attribut zuordnen
///
/// @param $aDbConnection PDO-Datenbankverbindung, die benutzt werden soll
/// @param $anUserId ID des Users, der das Attribut erhalten soll
/// @param $anAttributeId ID des zu vergebenden Attributes
///
/// - Es erfolgt keine Kontrolle, ob:
///   - die AttributId überhaupt existiert,
///   - ob die UserId überhaupt existiert,
///   - ob der User das Attribut bereits hat,
function giveUserAnUserAttribute($aDbConnection, $anUserId, $anAttributeId){
	withdrawUsersAttribute($aDbConnection, $anUserId, $anAttributeId);
	try{
		dbQuery(
			$aDbConnection, 
			"INSERT INTO `wkParticipo_user<=>userAttributes` (userId, attributeId) VALUES (:userId, :attributeId);", 
			array( 
				':userId'     => array('value'=>$anUserId,      'data_type'=>PDO::PARAM_INT), 
				':attributeId'=> array('value'=>$anAttributeId, 'data_type'=>PDO::PARAM_INT) 
			)
		);
	}
	catch(PDOException $db_error){
		print "Error!: " . $db_error->getMessage() . "<br/>queryString: ".$queryString."<br />"; var_dump($bindArray);
	}
return;
}

/// einem User ein Attribut entziehen
function withdrawUsersAttribute($aDbConnection, $anUserId, $anAttributeId, $limit = NULL){
	try{
// Variablen für das Binden an die Query vorbereiten
// inklusive Validierung der Werte
		$bindArray = array();
		if( is_positive_integer( $anUserId ) ){
			$bindArray[':userId'] = array('value'=>$anUserId, 'data_type'=>PDO::PARAM_INT);
		}
		else{
			throw new InvalidArgumentException("withdrawUsersAttribute: userId must be positive integer!");
		}
		if( is_positive_integer($anAttributeId) ){
			$bindArray[':attributeId'] = array('value'=>$anAttributeId, 'data_type'=>PDO::PARAM_INT);
		}
		else{
			throw new InvalidArgumentException("withdrawUsersAttribute: attributeid must be positive integer");
		}
		if( is_positive_integer( $limit ) ){
			$bindArray[':limit'] = array('value' => $limit, 'data_type' => PDO::PARAM_INT);
		}

// Zusammenstellen der Query
		$queryString = 
			"DELETE FROM `wkParticipo_user<=>userAttributes` ".
				"WHERE `userId`=:userId ".
				"AND `attributeId`=:attributeId".
				(is_positive_integer( $limit )?" LIMIT :limit":"").
			";";

		echo("queryString: ".$queryString."<br />"); var_dump($bindArray);
		dbQuery(
			$aDbConnection,
			$queryString,
			$bindArray
		);
	}
	catch(PDOException $db_error){
		print "Error!: " . $db_error->getMessage() . "<br/>queryString: ".$queryString."<br />"; var_dump($bindArray);
	}
return;
}// Ende withdrawUsersAttribute


#exit();

var_dump($_GET);

$actions = ["giveUserAnUserAttribute", "withdrawUsersAttribute"];


$dbConn = getCwsvJudoDbConn();
$dbConn->setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION );

if(isset($_GET['action'])){
	switch($_GET['action']){
		case "giveUserAnUserAttribute":
			try{
				giveUserAnUserAttribute($dbConn, intval($_GET['userId']), intval($_GET['attributeId']));
			}
			catch(Exception $e){
				print("UPS: ".$e->getMessage());
			}
		break;
		case "withdrawUsersAttribute":
			try{
				withdrawUsersAttribute($dbConn, intval($_GET['userId']), intval($_GET['attributeId']));
			}
			catch(Exception $e){
				print("UPS: ".$e->getMessage());
			}
		break;
		default:
			echo("Ungültige Aktion (".$_GET['action'].") erwünscht!");
		break;
	}
}

$users = 
	dbQuery(
		$dbConn, 
		"SELECT * FROM cwsvjudo.wkParticipo_Users;"
	);

$userAttributes = 
	dbQuery(
		$dbConn, 
		"SELECT * FROM cwsvjudo.wkParticipo_userAttributes;"
	);


?>
<html>
	<head>
	</head>
	<body>
		<form>
			<label>Action:
				<select name="action">
					<option disabled selected value> -- Aktion auswählen -- </option>
					<?php
						foreach($actions as $action)
							echo("<option>".$action."</option>");
					?>
				</select>
			</label>
			<label>User:
				<select name="userId">
					<option disabled selected value> -- User auswählen -- </option>
					<?php
						foreach($users as $user)
							echo("<option value=\"".$user['id']."\">".$user['loginName']."</option>");
					?>
				</select>
			</label>
			<label>Attribut:
				<select name="attributeId">
					<option disabled selected value> -- Attribut auswählen -- </option>
					<?php
						foreach($userAttributes as $userAttribute)
							echo("<option value=\"".$userAttribute['id']."\">".$userAttribute['name']."</option>");
					?>
				</select>
			</label>
			<button type="submit">Eingaben absenden</button>
		</form>
		<h1>Attribute</h1>
		<?php echo(array2htmlTableString($userAttributes));?>
		<?php
			foreach($userAttributes as $userAttribute){
				$attributedUsers =
					dbQuery(
						$dbConn,
						"SELECT * FROM wkParticipo_Users, `wkParticipo_user<=>userAttributes` WHERE wkParticipo_Users.id = `wkParticipo_user<=>userAttributes`.userId AND `wkParticipo_user<=>userAttributes`.attributeId=:attributeId;", 
						array(":attributeId"=>array('value'=>$userAttribute['id'], 'data_type'=>PDO::PARAM_INT))
					);
				echo( "<h2>".$userAttribute['name']."</h2>".array2htmlTableString($attributedUsers) );
			}
		?>

		<h1>User</h1>
		<?php echo(array2htmlTableString($users));?>
	</body>
</html>