snoobert/reddit/errors.go
Vartan Benohanian e14a54f64e Create and edit a subreddit, get its settings
Signed-off-by: Vartan Benohanian <vartanbeno@gmail.com>
2020-09-21 23:45:06 -04:00

76 lines
1.6 KiB
Go

package reddit
import (
"encoding/json"
"fmt"
"net/http"
"strings"
)
// APIError is an error coming from Reddit.
type APIError struct {
Label string
Reason string
Field string
}
func (e *APIError) Error() string {
return fmt.Sprintf("field %q caused %s: %s", e.Field, e.Label, e.Reason)
}
// UnmarshalJSON implements the json.Unmarshaler interface.
func (e *APIError) UnmarshalJSON(data []byte) error {
var info [3]string
err := json.Unmarshal(data, &info)
if err != nil {
return err
}
e.Label = info[0]
e.Reason = info[1]
e.Field = info[2]
return nil
}
// JSONErrorResponse is an error response that sometimes gets returned with a 200 code.
type JSONErrorResponse struct {
// HTTP response that caused this error.
Response *http.Response `json:"-"`
JSON struct {
Errors []APIError `json:"errors,omitempty"`
} `json:"json"`
}
func (r *JSONErrorResponse) Error() string {
errorMessages := make([]string, len(r.JSON.Errors))
for i, err := range r.JSON.Errors {
errorMessages[i] = err.Error()
}
return fmt.Sprintf(
"%s %s: %d %s",
r.Response.Request.Method, r.Response.Request.URL, r.Response.StatusCode, strings.Join(errorMessages, ";"),
)
}
// An ErrorResponse reports the error caused by an API request
type ErrorResponse struct {
// HTTP response that caused this error
Response *http.Response `json:"-"`
// Error message
Message string `json:"message"`
}
func (r *ErrorResponse) Error() string {
return fmt.Sprintf(
"%s %s: %d %s",
r.Response.Request.Method, r.Response.Request.URL, r.Response.StatusCode, r.Message,
)
}
// todo: rate limit errors