From a3e05bd49e1ad30cfb2c3bd6714875ba84164098 Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Fri, 27 Dec 2019 18:31:31 +0100
Subject: [PATCH] Can delete a group membership

---
 src/controllers/GroupsController.ts | 21 +++++++++++++++++++++
 src/controllers/Routes.ts           |  2 ++
 2 files changed, 23 insertions(+)

diff --git a/src/controllers/GroupsController.ts b/src/controllers/GroupsController.ts
index 5a621f2..1b4c765 100644
--- a/src/controllers/GroupsController.ts
+++ b/src/controllers/GroupsController.ts
@@ -516,6 +516,27 @@ export class GroupsController {
 		h.success("Membership invitation has been cancelled!");
 	}
 
+	/**
+	 * Delete the membership of a user to a group
+	 * 
+	 * @param h Request handler
+	 */
+	public static async RemoveMembership(h: RequestHandler) {
+		const groupID = await h.postGroupIDWithAccess("id", GroupsAccessLevel.LIMITED_ACCESS);
+		const level = await GroupsHelper.GetMembershipLevel(groupID, h.getUserId());
+
+		if(level == GroupMembershipLevels.ADMINISTRATOR
+			&& await GroupsHelper.CountMembersAtLevel(groupID, GroupMembershipLevels.ADMINISTRATOR) == 1)
+			h.error(401, "You are the last administrator of the group!");
+		
+		// Delete mebmership
+		await GroupsHelper.DeleteMember(groupID, h.getUserId());
+
+		// TODO : delete group membership notifications
+
+		h.success("Your membership has been successfully deleted!");
+	}
+
 	/**
 	 * Turn a GroupInfo object into a valid API object
 	 * 
diff --git a/src/controllers/Routes.ts b/src/controllers/Routes.ts
index 965662c..dd7bd21 100644
--- a/src/controllers/Routes.ts
+++ b/src/controllers/Routes.ts
@@ -124,4 +124,6 @@ export const Routes : Route[] = [
 	{path: "/groups/get_membership", cb: (h) => GroupsController.GetMembership(h)},
 
 	{path: "/groups/cancel_invitation", cb: (h) => GroupsController.CancelInvitation(h)},
+
+	{path: "/groups/remove_membership", cb: (h) => GroupsController.RemoveMembership(h)},
 ]
\ No newline at end of file