started work on pmelo

homepage/participo/lib/participoLib/user.php

@@ -325,4 +325,27 @@ SQL;
 		}
 		return User::fromDbArray($response[0]);
 	}
+
+	public static function loadFromDbByAttribute(int $attributeId){
+		$query =
+			"SELECT DISTINCT" .
+			"  `wkParticipo_Users`.* " .
+			" FROM `wkParticipo_Users`" .
+			" JOIN `wkParticipo_user<=>userAttributes`" .
+			"   ON `wkParticipo_user<=>userAttributes`.`userId` = `wkParticipo_Users`.`id`" .
+			" WHERE `wkParticipo_user<=>userAttributes`.`attributeId` = 4". 
+			" ORDER BY `wkParticipo_Users`.`id` ASC;";
+
+		$response = dbConnector::query($query);
+
+		// Postprocessing
+		// - convert the comma separated list into an array
+		foreach ($response as &$user) {
+			$user["eMail"] = explode(",", $user["eMail"]);
+			foreach ($user["eMail"] as &$email) {
+				$email = trim($email);
+			}
+		}
+		return $response;
+	}
 }