ErrBind -400: Error occurred while binding the request body to the struct.

ErrCodeNotExisted - 404: Code not existed.

ErrDatabase - 500: Database error.

ErrEmailRequired - 200: Email does not meet requirements.

ErrGetFormFile -400: Can not get post form file.

ErrGetToken -400: Get Token from head failed.

ErrGetTokenFromCtx -500: Get Token from context failed.

ErrGetUserIDFromCtx -500: Get User ID from context failed.

ErrPassword -200: Error password.

ErrPasswordRequired - 200: Password does not meet requirements.

ErrPasswordTooLong -200: Password is longer than 26.

ErrPasswordTooShort -200: Password is shorter than 8.

ErrPasswordTooSimple -200: The kind of character in password is less than 2.

ErrSaveUploadFile -500: Can not save the upload file.

ErrSendEmail -500: Send email failed.

ErrTokenNotExisted - 404: Token not existed.

ErrTypeAssertion -500: Type assertion error.

ErrTypeTransform -500: Type transform error.

ErrUserAlreadyExisted - 200: User already existed.

ErrUserNotFound - 404: User not found.