homebox/backend/internal/web/mid/errors.go
2023-04-09 10:39:43 -08:00

85 lines
2.2 KiB
Go

package mid
import (
"net/http"
"github.com/go-chi/chi/v5/middleware"
"github.com/hay-kot/homebox/backend/internal/data/ent"
"github.com/hay-kot/homebox/backend/internal/sys/validate"
"github.com/hay-kot/httpkit/errchain"
"github.com/hay-kot/httpkit/server"
"github.com/rs/zerolog"
)
type ErrorResponse struct {
Error string `json:"error"`
Fields map[string]string `json:"fields,omitempty"`
}
func Errors(svr *server.Server, log zerolog.Logger) errchain.ErrorHandler {
return func(h errchain.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
err := h.ServeHTTP(w, r)
if err != nil {
var resp ErrorResponse
var code int
traceID := r.Context().Value(middleware.RequestIDKey).(string)
log.Err(err).
Stack().
Str("req_id", traceID).
Msg("ERROR occurred")
switch {
case validate.IsUnauthorizedError(err):
code = http.StatusUnauthorized
resp = ErrorResponse{
Error: "unauthorized",
}
case validate.IsInvalidRouteKeyError(err):
code = http.StatusBadRequest
resp = ErrorResponse{
Error: err.Error(),
}
case validate.IsFieldError(err):
code = http.StatusUnprocessableEntity
fieldErrors := err.(validate.FieldErrors)
resp.Error = "Validation Error"
resp.Fields = map[string]string{}
for _, fieldError := range fieldErrors {
resp.Fields[fieldError.Field] = fieldError.Error
}
case validate.IsRequestError(err):
requestError := err.(*validate.RequestError)
resp.Error = requestError.Error()
if requestError.Status == 0 {
code = http.StatusBadRequest
} else {
code = requestError.Status
}
case ent.IsNotFound(err):
resp.Error = "Not Found"
code = http.StatusNotFound
default:
resp.Error = "Unknown Error"
code = http.StatusInternalServerError
}
if err := server.JSON(w, code, resp); err != nil {
log.Err(err).Msg("failed to write response")
}
// If Showdown error, return error
if server.IsShutdownError(err) {
err := svr.Shutdown(err.Error())
if err != nil {
log.Err(err).Msg("failed to shutdown server")
}
}
}
})
}
}