49 lines
1.7 KiB
Go
49 lines
1.7 KiB
Go
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package server
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import (
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"errors"
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"fmt"
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)
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var (
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errorValidationNotEmpty = newServiceError(IllegalArgument, errors.New("assert: empty values are not allowed"))
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errorValidationNotBlank = newServiceError(IllegalArgument, errors.New("assert: blank values are not allowed"))
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errorValidationPageGreaterZero = newServiceError(IllegalArgument, errors.New("assert: page has to be greater 0"))
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errorValidationPageSizeGreaterZero = newServiceError(IllegalArgument, errors.New("assert: pageSize has to be greater 0"))
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errorResourceNotFound = newServiceError(NotFound, errors.New("resource not found"))
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errorResourceAccessDenied = newServiceError(Forbidden, errors.New("resource access denied"))
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errorDatabaseRowsExpected = newServiceDatabaseError(errors.New("action failed, expected affected rows, but got none"))
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)
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type ErrorCode string
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const (
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IllegalArgument ErrorCode = "IllegalArgument"
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Unauthorized ErrorCode = "Unauthorized"
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Forbidden ErrorCode = "Forbidden"
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NotFound ErrorCode = "NotFound"
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Conflict ErrorCode = "Conflict"
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General ErrorCode = "General"
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)
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// newServiceError returns an error that formats as the given text and aligns with builtin error
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func newServiceError(status ErrorCode, err error) error {
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return &serviceError{status, fmt.Errorf("service error (%v): %w", status, err)}
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}
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// newServiceDatabaseError returns an error that formats as the given text and aligns with builtin error
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func newServiceDatabaseError(error error) error {
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return newServiceError(General, fmt.Errorf("database error: %w", error))
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}
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type serviceError struct {
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Status ErrorCode
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Cause error
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}
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func (e *serviceError) Error() string {
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return fmt.Sprintf("%v", e.Cause)
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}
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