/
error.go
56 lines (47 loc) · 1.67 KB
/
error.go
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package server
import (
"net/http"
"github.com/go-chi/render"
)
// ErrResponse is a generic struct for returning a standard error document
type ErrResponse struct {
Err error `json:"-"` // low-level runtime error
HTTPStatusCode int `json:"-"` // http response status code
StatusText string `json:"status"` // user-level status message
AppCode int64 `json:"code,omitempty"` // application-specific error code
ErrorText string `json:"error,omitempty"` // application-level error message, for debugging
}
// ErrNotFound is a pre-built not-found error
var ErrNotFound = &ErrResponse{HTTPStatusCode: 404, StatusText: "Resource not found."}
// Render is the Renderer for ErrResponse struct
func (e *ErrResponse) Render(w http.ResponseWriter, r *http.Request) error {
render.Status(r, e.HTTPStatusCode)
return nil
}
// ErrInvalidRequest is used to indicate an error on user input (with wrapped error)
func ErrInvalidRequest(err error) render.Renderer {
var errorText string
if err != nil {
errorText = err.Error()
}
return &ErrResponse{
Err: err,
HTTPStatusCode: http.StatusBadRequest,
StatusText: "Invalid request.",
ErrorText: errorText,
}
}
// ErrInternalLog will log an error and return a generic server error to the user
func (s *Server) ErrInternalLog(err error) render.Renderer {
s.logger.Errorw("Server Error", "error", err)
return ErrInternal(err)
}
// ErrInternal returns a generic server error to the user
func ErrInternal(err error) render.Renderer {
return &ErrResponse{
Err: err,
HTTPStatusCode: http.StatusInternalServerError,
StatusText: "Server Error.",
ErrorText: "Server Error.",
}
}