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package fetch
import (
"fmt"
"io"
"net/http"
"time"
)
// Fetch makes a GET request to rawURL, returning the HTML contents of
// that webpage as a []byte. An error is also returned. The parameter
// timeoutSecs is passed directly to the [http.Client.Timeout] field
// of the client making the request.
func Fetch(rawURL string, timeoutSecs int) ([]byte, error) {
client := http.Client{
Timeout: time.Duration(timeoutSecs) * time.Second,
}
req, err := http.NewRequest(http.MethodGet, rawURL, nil)
if err != nil {
return nil, fmt.Errorf("can't create %s request for %s", http.MethodGet, rawURL)
}
resp, err := client.Do(req)
if err != nil {
return nil, fmt.Errorf("client failed to perform %s request for %s", http.MethodGet, rawURL)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("status for %s for %s: %s", http.MethodGet, rawURL, resp.Status)
}
htmlBytes, err := io.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("can't dump response body into byte slice")
}
return htmlBytes, nil
}
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