Files
reddit-go/reddit/reddit-options.go
T
Vartan Benohanian c4faa00b94 Return errors on nil credentials, move code around
Signed-off-by: Vartan Benohanian <vartanbeno@gmail.com>
2020-08-27 00:29:53 -04:00

68 lines
1.6 KiB
Go

package reddit
import (
"errors"
"net/http"
"net/url"
)
// Opt is a configuration option to initialize a client.
type Opt func(*Client) error
// WithHTTPClient sets the HTTP client which will be used to make requests.
func WithHTTPClient(httpClient *http.Client) Opt {
return func(c *Client) error {
if httpClient == nil {
return errors.New("httpClient: cannot be nil")
}
c.client = httpClient
return nil
}
}
// FromEnv configures the client with values from environment variables.
// Supported environment variables:
// GO_REDDIT_CLIENT_ID to set the client's id.
// GO_REDDIT_CLIENT_SECRET to set the client's secret.
// GO_REDDIT_CLIENT_USERNAME to set the client's username.
// GO_REDDIT_CLIENT_PASSWORD to set the client's password.
// func FromEnv(c *Client) error {
// if v := os.Getenv("GO_REDDIT_CLIENT_ID"); v != "" {
// c.ID = v
// }
// if v := os.Getenv("GO_REDDIT_CLIENT_SECRET"); v != "" {
// c.Secret = v
// }
// if v := os.Getenv("GO_REDDIT_CLIENT_USERNAME"); v != "" {
// c.Username = v
// }
// if v := os.Getenv("GO_REDDIT_CLIENT_PASSWORD"); v != "" {
// c.Password = v
// }
// return nil
// }
// WithBaseURL sets the base URL for the client to make requests to.
func WithBaseURL(u string) Opt {
return func(c *Client) error {
url, err := url.Parse(u)
if err != nil {
return err
}
c.BaseURL = url
return nil
}
}
// WithTokenURL sets the url used to get access tokens.
func WithTokenURL(u string) Opt {
return func(c *Client) error {
url, err := url.Parse(u)
if err != nil {
return err
}
c.TokenURL = url
return nil
}
}