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package bilibili
import (
"encoding/json"
"io"
"log"
"net/http"
"strings"
)
// newRequest create an HTTP request with per-instance User-Agent set.
func (b Bilibili) newRequest(
method string,
url string,
body io.Reader,
) (req *http.Request, err error) {
req, err = http.NewRequestWithContext(b.ctx, method, url, body)
if err != nil {
b.error.Printf("Cannot create HTTP request instance: %v. Method: %v, URL: %v", err, method, url)
return
}
req.Header.Set("User-Agent", b.userAgent)
return
}
// newRequest create an HTTP GET request with an empty body and per-instance User-Agent set.
func (b Bilibili) newGet(url string) (req *http.Request, err error) {
return b.newRequest("GET", url, strings.NewReader(""))
}
// callGet make a GET request and parse response as a JSON document with given model.
func callGet[T BaseResponse[V], V any](b Bilibili, url string) (resp T, err error) {
logger := log.Default()
req, err := b.newGet(url)
if err != nil {
logger.Printf("ERROR: Cannot create HTTP request instance on API %v: %v", url, err)
return
}
r, err := b.http.Do(req)
defer func() { _ = r.Body.Close() }()
if err != nil {
logger.Printf("ERROR: HTTP Request failed on API %v: %v", url, err)
return
}
err = validateHttpStatus(r)
if err != nil {
b.error.Printf("%v", err)
return
}
data, err := io.ReadAll(r.Body)
if err != nil {
b.error.Printf("Error when reading HTTP response on API %v: %v", url, err)
return
}
err = json.Unmarshal(data, &resp)
if err != nil {
b.error.Printf("Invalid JSON body of HTTP response on API %v: %v. Text: \"%v\"",
url, err, string(data))
return
}
b.debug.Printf("HTTP %v, len: %v bytes, url: %v", r.StatusCode, len(data), url)
return
}
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