V0 : initial import

ProserveAPI/htdocs/proserve/session/getobjectives.php

@@ -0,0 +1,67 @@
+<?php
+// include database and object files
+include_once '../config/init.php';	// contains $db
+include_once '../config/error.php';
+include_once '../objects/db_participates.php';
+
+// prepare user object
+$participation = new UserInGameSession($db);
+$participation->userId = -1;
+
+// read mandatory $_POST properties : ensure sessionId is passed in POST parameters
+if (isset($_POST['sessionId']))
+	$participation->sessionId = $_POST['sessionId'];
+else trigger_error( missing_parameter_error("sessionId") );
+
+if (isset($_POST['userId']))
+	$participation->userId = $_POST['userId'];
+
+$multiple = false;
+// get overall objectives for all users in session
+if ($participation->userId == -1)
+{
+	$users = $participation->getAllUsersInSession();
+    $nbUsers = count($users);
+	if ($nbUsers > 1)
+	{
+		// multiple users for the session : get average of all users objectives
+		$multiple = true;
+		$firstElement = true;
+		foreach ($users as $oneUserId)
+		{
+			$part = new UserInGameSession($db);
+			$part->sessionId = $participation->sessionId;
+			$part->userId = (int)$oneUserId;	// contains userId
+
+			if ($part->load())
+			{
+				// if this is the participation for the first user, simply update the participation variable
+				// otherwise, call add function to add this user's participation result to the overall one (participation variable)
+				if ($firstElement)
+				{
+					$participation->copy($part);
+					$firstElement = false;
+				}
+				else
+					$participation->add($part);
+			}
+		}
+
+		// once loop is completed, calculate average score, precision, reactionTime and objective completion
+		$participation->calculateAverages($nbUsers);
+	}
+	else if ($nbUsers == 1)
+		$participation->userId = (int)$users[0];
+}
+
+if (!$multiple && $participation->userId == -1)
+	trigger_error( missing_parameter_error("userId") );
+
+// if we got participation for multiple users OR if we successfully load it for a single one, then everything is good
+if ($multiple || (!$multiple && $participation->load()))
+{
+	$participation_arr = $participation->getResultArray(true, "Results_Saved_OK");
+	print_r(json_encode($participation_arr));	// OK
+}
+else trigger_error("User_Results_Not_Found");
+?>