ld
1dfccf513a
- Initialize slog in the serve command with terminal/file support - Introduce `AppError` with HTTP status for unified service-layer errors - Replace ad-hoc `api.Error` calls with `api.RespondError` - Wrap internal errors with `model.NewInternalError` and add reference IDs - Add `RequestID` middleware and switch router from `gin.Default` to `gin.New`
37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
package model
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import (
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"errors"
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"fmt"
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"net/http"
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)
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var (
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ErrNotFound = errors.New("resource not found")
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ErrDuplicate = errors.New("resource already exists")
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ErrUnauthorized = errors.New("unauthorized")
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ErrForbidden = errors.New("forbidden")
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)
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// AppError is a service-layer error that carries an HTTP status, a user-safe
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// message, and an optional internal cause for logging. Handlers unpack it
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// transparently via api.RespondError.
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type AppError struct {
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Status int // HTTP status code
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Message string // safe for API response
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Err error // internal cause (nil = user-caused, skip logging)
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}
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func (e *AppError) Error() string { return e.Message }
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func (e *AppError) Unwrap() error { return e.Err }
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// NewInternalError creates a 500 AppError with a wrapped internal cause.
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// msg describes the operation that failed; cause is the underlying error.
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func NewInternalError(msg string, cause error) *AppError {
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return &AppError{
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Status: http.StatusInternalServerError,
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Message: "internal server error",
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Err: fmt.Errorf("%s: %w", msg, cause),
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}
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}
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