Can send a request to join a group

src/controllers/GroupsController.ts

@@ -329,6 +329,45 @@ export class GroupsController {
 		h.success("Response to the invitation was successfully saved!");
 	}
 
+	/**
+	 * Send a request to join a server
+	 * 
+	 * @param h Request handler
+	 */
+	public static async SendRequest(h: RequestHandler) {
+
+		const groupID = await h.postGroupIDWithAccess("id", GroupsAccessLevel.LIMITED_ACCESS);
+
+		// Check the user is really a visitor of the group
+		if(await GroupsHelper.GetMembershipLevel(groupID, h.getUserId()) != GroupMembershipLevels.VISITOR)
+			h.error(401, "You are not currently a visitor of the group!");
+
+		
+		// Check the user is allowed to send a request to join the group
+		const group = await GroupsHelper.GetInfo(groupID);
+		if(group.registrationLevel == GroupRegistrationLevel.CLOSED_REGISTRATION)
+			h.error(401, "You are not authorized to send a registration request for this group!");
+		
+		// Create & insert membership
+		const member = new GroupMember({
+			id: -1,
+			userID: h.getUserId(),
+			timeCreate: time(),
+			groupID: groupID,
+			level: group.registrationLevel == GroupRegistrationLevel.MODERATED_REGISTRATION
+				 ? GroupMembershipLevels.PENDING : GroupMembershipLevels.MEMBER,
+			following: true,
+		});
+
+		await GroupsHelper.InsertMember(member);
+
+		if(group.registrationLevel == GroupRegistrationLevel.MODERATED_REGISTRATION) {
+			//TODO : Send a notification
+		}
+
+		h.success("The membership has been successfully saved!");
+	}
+
 	/**
 	 * Turn a GroupInfo object into a valid API object
 	 * 

src/controllers/Routes.ts

@@ -110,4 +110,6 @@ export const Routes : Route[] = [
 	{path: "/groups/invite", cb: (h) => GroupsController.InviteUser(h)},
 
 	{path: "/groups/respond_invitation", cb: (h) => GroupsController.RespondInvitation(h)},
+
+	{path: "/groups/send_request", cb: (h) => GroupsController.SendRequest(h)},
 ]