Can delete all user groups

src/helpers/AccountHelper.ts

@@ -434,4 +434,18 @@ export class AccountHelper {
 
 		return data;
 	}
+
+	/**
+	 * Remove completely a user account
+	 * 
+	 * @param userID Target user ID
+	 */
+	public static async Delete(userID: number) {
+
+		// Delete all groups memberships
+		await GroupsHelper.DeleteAllUsersGroups(userID);
+
+		// TODO : continue work
+
+	}
 }

src/helpers/GroupsHelper.ts

@@ -392,6 +392,17 @@ export class GroupsHelper {
 
 	}
 
+	/**
+	 * Check out whether a user is the last admin of a user or not
+	 * 
+	 * @param groupID Target group ID
+	 * @param userID Target user ID
+	 */
+	private static async IsLastAdmin(groupID: number, userID: number) : Promise<boolean> {
+		return await this.GetMembershipLevel(groupID, userID) == GroupMembershipLevels.ADMINISTRATOR
+			&& await GroupsHelper.CountMembersAtLevel(groupID, GroupMembershipLevels.ADMINISTRATOR) == 1;
+	}
+
 	/**
 	 * Get the current access of a user to a group
 	 * 
@@ -617,6 +628,23 @@ export class GroupsHelper {
 		});
 	}
 
+	/**
+	 * Delete all the groups the user belongs to
+	 * 
+	 * @param userID Target user ID
+	 */
+	public static async DeleteAllUsersGroups(userID: number) {
+		
+		// Process each group
+		for(const groupID of await this.GetListUser(userID)) {
+			if(await this.IsLastAdmin(groupID, userID))
+				await this.Delete(groupID);
+			
+			else
+				await this.DeleteMember(groupID, userID);
+		}
+	}
+
 	/**
 	 * Turn a database row into a {GroupInfo} object
 	 *