Feat(ktm-booking): Initial commit

backend/internal/common/errresponse.go

@@ -0,0 +1,56 @@
+package common
+
+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 ErrValidationError(err error) render.Renderer {
+	return &ErrResponse{
+		Err:            err,
+		HTTPStatusCode: 422,
+		StatusText:     "Validation error.",
+		ErrorText:      err.Error(),
+	}
+}
+
+func ErrInternalError(err error) render.Renderer {
+	return &ErrResponse{
+		Err:            err,
+		HTTPStatusCode: 500,
+		StatusText:     "Invalid request.",
+		ErrorText:      err.Error(),
+	}
+}
+
+func ErrNotFound(err error) render.Renderer {
+	return &ErrResponse{
+		HTTPStatusCode: 404,
+		StatusText:     "Resource not found.",
+		ErrorText:      err.Error(),
+	}
+}