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diff --git a/response.go b/response.go
index 85b36d4..c0e4d58 100644
--- a/response.go
+++ b/response.go
@@ -1,61 +1,68 @@
package impart
import (
"encoding/json"
"net/http"
"strconv"
)
type (
// Envelope contains metadata and optional data for a response object.
// Responses will always contain a status code and either:
// - response Data on a 2xx response, or
// - an ErrorMessage on non-2xx responses
//
// ErrorType is not currently used.
Envelope struct {
Code int `json:"code"`
ErrorType string `json:"error_type,omitempty"`
ErrorMessage string `json:"error_msg,omitempty"`
Data interface{} `json:"data,omitempty"`
}
)
func writeBody(w http.ResponseWriter, body []byte, status int, contentType string) error {
w.Header().Set("Content-Type", contentType+"; charset=UTF-8")
w.Header().Set("Content-Length", strconv.Itoa(len(body)))
w.WriteHeader(status)
_, err := w.Write(body)
return err
}
func renderJSON(w http.ResponseWriter, value interface{}, status int) error {
body, err := json.Marshal(value)
if err != nil {
return err
}
return writeBody(w, body, status, "application/json")
}
func renderString(w http.ResponseWriter, status int, msg string) error {
return writeBody(w, []byte(msg), status, "text/plain")
}
// WriteSuccess writes the successful data and metadata to the ResponseWriter as
// JSON.
func WriteSuccess(w http.ResponseWriter, data interface{}, status int) error {
env := &Envelope{
Code: status,
Data: data,
}
return renderJSON(w, env, status)
}
// WriteError writes the error to the ResponseWriter as JSON.
func WriteError(w http.ResponseWriter, e HTTPError) error {
env := &Envelope{
Code: e.Status,
ErrorMessage: e.Message,
}
return renderJSON(w, env, e.Status)
}
+
+// WriteRedirect sends a redirect
+func WriteRedirect(w http.ResponseWriter, e HTTPError) int {
+ w.Header().Set("Location", e.Message)
+ w.WriteHeader(e.Status)
+ return e.Status
+}

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