package api import ( "net/http" "github.com/go-chi/render" ) 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 } func (e *ErrResponse) Render(w http.ResponseWriter, r *http.Request) error { render.Status(r, e.HTTPStatusCode) return nil } func ErrInvalidRequest(err error) render.Renderer { return &ErrResponse{ Err: err, HTTPStatusCode: 400, StatusText: "Invalid request.", ErrorText: err.Error(), } } func ErrRender(err error) render.Renderer { return &ErrResponse{ Err: err, HTTPStatusCode: 422, StatusText: "Error rendering response.", ErrorText: err.Error(), } } var ErrNotFound = &ErrResponse{HTTPStatusCode: 404, StatusText: "Resource not found."}