Can respond to a membership request

src/controllers/GroupsController.ts

@@ -458,6 +458,27 @@ export class GroupsController {
 		h.success("User membership has been successfully updated!");
 	}
 
+	/**
+	 * Respond to a membership request
+	 * 
+	 * @param h Request handler
+	 */
+	public static async RespondRequest(h: RequestHandler) {
+		const groupID = await h.postGroupIDWithAccess("groupID", GroupsAccessLevel.MODERATOR_ACCESS);
+		const userID = await h.postUserId("userID");
+		const accept = h.postBool("accept");
+
+		if(await GroupsHelper.GetMembershipLevel(groupID, userID) != GroupMembershipLevels.PENDING)
+			h.error(401, "This user has not requested a membership for this group!");
+		
+		// Respond to the request
+		await GroupsHelper.RespondRequest(groupID, userID, accept);
+
+		// TODO : create a notification
+
+		h.success("The response to the request has been successfully saved!");
+	}
+
 	/**
 	 * Turn a GroupInfo object into a valid API object
 	 * 

src/controllers/Routes.ts

@@ -118,4 +118,6 @@ export const Routes : Route[] = [
 	{path: "/groups/delete_member", cb: (h) => GroupsController.DeleteMember(h)},
 
 	{path: "/groups/update_membership_level", cb: (h) => GroupsController.UpdateMembership(h)},
+
+	{path: "/groups/respond_request", cb: (h) => GroupsController.RespondRequest(h)},
 ]

src/helpers/GroupsHelper.ts

@@ -206,6 +206,20 @@ export class GroupsHelper {
 			await this.UpdateMembershipLevel(groupID, userID, GroupMembershipLevels.MEMBER);
 	}
 
+	/**
+	 * Respond to a group membership request
+	 * 
+	 * @param groupID Target groupID
+	 * @param userID Target user ID
+	 * @param accept TRUE to accept / FALSE else
+	 */
+	public static async RespondRequest(groupID: number, userID: number, accept: boolean) {
+		if(!accept)
+			await this.DeleteMember(groupID, userID);
+		else
+			await this.UpdateMembershipLevel(groupID, userID, GroupMembershipLevels.MEMBER);
+	}
+
 	/**
 	 * Insert a new group member
 	 *