Added queries and functions for adding group members.

website/public/API/editMembership.php

@@ -0,0 +1,40 @@
+<?php
+
+session_start();
+
+if(empty($_POST["grp"]) or empty($_POST["role"])) {
+    header('HTTP/1.1 500 Non enough arguments');
+}
+
+if(in_array($_POST["role"], array('request', 'member', 'banned', 'mod', 'admin'))) {
+    header('HTTP/1.1 500 Wrong argument given for role');
+}
+
+require_once ("../../queries/group_member.php");
+require_once ("../../queries/group_page.php");
+require_once ("../../queries/group_member.php");
+
+$currentRole = selectGroupRole($_POST["grp"]);
+$groupStatus = selectGroupStatus($_POST["grp"]);
+echo "role: $currentRole status: $groupStatus ";
+
+if($_POST["role"] == 'request' and $currentRole == 'none') {
+    if($groupStatus = 'public') {
+        // Add member to public group
+        addMember($_POST["grp"], $_SESSION["userID"], 'member');
+        echo "ADDED";
+    } else if($groupStatus = 'membersonly') {
+        // Send request to members only group
+        addMember($_POST["grp"], $_SESSION["userID"], 'request');
+    } else {
+        // Can't invite yourself to hidden groups
+        header('HTTP/1.1 500 This group is hidden');
+    }
+    header('HTTP/1.1 200');
+} else if($_POST["role"] == 'none' and $currentRole != 'none') {
+    // Remove yourself from a group
+    deleteMember($_POST["grp"], $_SESSION["userID"]);
+} else {
+    echo "failure";
+    header('HTTP/1.1 500 Wrong argument given for role');
+}

website/public/API/getGrouprole.php

@@ -0,0 +1,12 @@
+<?php
+
+session_start();
+
+if(empty($_POST["grp"])) {
+    header('HTTP/1.1 500 Non enough arguments');
+}
+
+require_once("../../queries/group_page.php");
+
+echo selectGroupRole($_POST["grp"]);
+

website/queries/group_member.php

@@ -54,3 +54,48 @@ function searchSomeOwnGroups($n, $m, $search) {
 
     return json_encode($stmt->fetchAll());
 }
+
+function addMember($groupID, $userID, $role) {
+    $stmt = prepareQuery("
+    INSERT INTO
+      `group_member` (`userID`, `groupID`, `role`)
+    VALUES
+      (:userID, :groupID, :role)
+    ");
+
+    $stmt->bindParam(':userID', $userID);
+    $stmt->bindParam(':groupID', $groupID);
+    $stmt->bindParam(':role', $role);
+    return $stmt->execute();
+}
+
+function changeMember($groupID, $userID, $role) {
+    $stmt = prepareQuery("
+    UPDATE
+      `group_member`
+    SET
+      `role` = :role
+    WHERE
+      `userID` = :userID AND
+      `groupID` = :groupID
+    ");
+
+    $stmt->bindParam(':userID', $userID);
+    $stmt->bindParam(':groupID', $groupID);
+    $stmt->bindParam(':role', $role);
+    return $stmt->execute();
+}
+
+function deleteMember($groupID, $userID) {
+    $stmt = prepareQuery("
+    DELETE FROM
+      `group_member`
+    WHERE
+      `userID` = :userID AND
+      `groupID` = :groupID
+    ");
+
+    $stmt->bindParam(':userID', $userID);
+    $stmt->bindParam(':groupID', $groupID);
+    return $stmt->execute();
+}

website/queries/group_page.php

@@ -58,6 +58,23 @@ function selectGroupRole(int $groupID) {
     return $stmt->fetch()["role"];
 }
 
+function selectGroupStatus(int $groupID) {
+    $stmt = prepareQuery("
+        SELECT
+          `status`
+        FROM
+          `group_page`
+        WHERE
+          `groupID` = :groupID
+    ");
+
+    $stmt->bindParam(':groupID', $groupID, PDO::PARAM_INT);
+    if(!$stmt->execute()) {
+        return False;
+    }
+    return $stmt->fetch()["status"];
+}
+
 function selectGroupMembers(int $groupID) {
     $stmt = prepareQuery("
         SELECT