Start delete group method

src/helpers/AccountHelper.ts

@@ -121,6 +121,26 @@ export class AccountHelper {
 		});
 	}
 
+
+	/**
+	 * Check out whether the password of a user is valid
+	 * or not
+	 * 
+	 * @param userID Target user ID
+	 * @param password Target password
+	 */
+	public static async CheckUserPassword(userID: number, password: string) : Promise<boolean> {
+		const crypt_pass = this.CryptPassword(password);
+
+		return await DatabaseHelper.Count({
+			table: USER_TABLE,
+			where: {
+				ID: userID,
+				password: crypt_pass
+			}
+		}) > 0;
+	}
+
 	/**
 	 * Crypt a password
 	 *