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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "errors" | ||
| "net/http" | ||
| ) | ||
|
|
||
| // Structure of an error response from the API | ||
| type errorResponse struct { | ||
| Message string `json:"message"` | ||
| Error string `json:"error"` | ||
| StatusCode int `json:"statusCode"` | ||
| } | ||
|
|
||
| // Returns an error following the HTTP response code: | ||
| // | ||
| // 4xx: Gives the error messages from the response body | ||
| // 5xx: Gives a generic error message | ||
| // | ||
| // If the error code is not one of these, no error is returned | ||
| func Error(resp *http.Response) error { | ||
| switch { | ||
| // handle 4xx errors | ||
| case resp.StatusCode >= 400 && resp.StatusCode < 500: | ||
| var respErr errorResponse | ||
| err := json.NewDecoder(resp.Body).Decode(&respErr) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return errors.New(respErr.Message) | ||
|
|
||
| // handle 4xx errors | ||
| case resp.StatusCode >= 500 && resp.StatusCode < 600: | ||
| // handles 5xx errors | ||
| return errors.New("Server error") | ||
|
|
||
| // handle other status codes | ||
| default: | ||
| return nil | ||
| } | ||
| } |