Can update the name of the group

RestControllers/GroupsController.php

@@ -114,6 +114,28 @@ class GroupsController {
 		return self::GroupSettingsToAPI($settings);
 	}
 
+	/**
+	 * Set (update) the settings of a group
+	 * 
+	 * @url POST /groups/set_settings
+	 */
+	public function setSettings(){
+
+		//Get the ID of the group (with admin access)
+		$groupID = $this->getPostGroupIDWithAdmin("id");
+
+		//Create and fill a GroupSettings object with new values
+		$settings = new GroupSettings();
+		$settings->set_id($groupID);
+		$settings->set_name(postString("name", 3));
+
+		//Try to save the new settings of the group
+		if(!components()->groups->set_settings($settings))
+			Rest_fatal_error(500, "An error occured while trying to update group settings!");
+		
+		return array("success" => "Group settings have been successfully updated!");
+	}
+
 	/**
 	 * Get and return a group ID specified in the POST request
 	 * in which the current user has admin rigths

classes/components/GroupsComponent.php

@@ -128,6 +128,26 @@ class GroupsComponent {
 
     }
 
+    /**
+     * Set (update) group settings
+     * 
+     * @param GroupSettings $settings The settings to update
+     * @return bool TRUE for a success / FALSE
+     */
+    public function set_settings(GroupSettings $settings) : bool {
+        
+        //Generate database entry
+        $modif = $this->GroupSettingsToDB($settings);
+
+        //Apply update
+        return db()->updateDB(
+            self::GROUPS_LIST_TABLE, 
+            "id = ?",
+            $modif,
+            array($settings->get_id()));
+
+    }
+
     /**
      * Insert a new group member
      * 
@@ -268,6 +288,20 @@ class GroupsComponent {
         return $info;
 
     }
+
+    /**
+     * Turn a GroupSettings object into a database entry
+     * 
+     * @param GroupSettings $settings The object to convert
+     * @return array Generated database entry
+     */
+    private function GroupSettingsToDB(GroupSettings $settings) : array {
+        $data = array();
+
+        $data["name"] = $settings->get_name();
+
+        return $data;
+    }
 }
 
 //Register component