73 lines
1.5 KiB
Go
73 lines
1.5 KiB
Go
package reddit
|
|
|
|
import (
|
|
"net/url"
|
|
"os"
|
|
)
|
|
|
|
// Opt is a configuration option to initialize a client.
|
|
type Opt func(*Client) error
|
|
|
|
// 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, ok := os.LookupEnv("GO_REDDIT_CLIENT_ID"); ok {
|
|
c.ID = v
|
|
}
|
|
|
|
if v, ok := os.LookupEnv("GO_REDDIT_CLIENT_SECRET"); ok {
|
|
c.Secret = v
|
|
}
|
|
|
|
if v, ok := os.LookupEnv("GO_REDDIT_CLIENT_USERNAME"); ok {
|
|
c.Username = v
|
|
}
|
|
|
|
if v, ok := os.LookupEnv("GO_REDDIT_CLIENT_PASSWORD"); ok {
|
|
c.Password = v
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// WithCredentials sets the necessary values for the client to authenticate via OAuth2.
|
|
func WithCredentials(id, secret, username, password string) Opt {
|
|
return func(c *Client) error {
|
|
c.ID = id
|
|
c.Secret = secret
|
|
c.Username = username
|
|
c.Password = password
|
|
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
|
|
}
|
|
}
|