rootspring revised this gist . Go to revision
1 file changed, 84 insertions
r.go(file created)
| @@ -0,0 +1,84 @@ | |||
| 1 | + | func Fetch( | |
| 2 | + | sfo *state.StateFetchOptions, | |
| 3 | + | efo ExtraFetchOptions, | |
| 4 | + | opts FetchOptions, | |
| 5 | + | ) (*ClientResponse, error) { | |
| 6 | + | for { | |
| 7 | + | var headers = map[string]string{} | |
| 8 | + | ||
| 9 | + | if !efo.NoExtraHeaders { | |
| 10 | + | headers["Content-Type"] = "application/json" | |
| 11 | + | } | |
| 12 | + | ||
| 13 | + | if len(efo.Headers) > 0 { | |
| 14 | + | for k, v := range efo.Headers { | |
| 15 | + | headers[k] = v | |
| 16 | + | } | |
| 17 | + | } | |
| 18 | + | ||
| 19 | + | if efo.Session != nil { | |
| 20 | + | sess, err := efo.Session.GetCurrentSession() | |
| 21 | + | ||
| 22 | + | if err != nil { | |
| 23 | + | return nil, err | |
| 24 | + | } | |
| 25 | + | ||
| 26 | + | headers["Authorization"] = fmt.Sprintf("Bearer %v", *sess.Token) | |
| 27 | + | } | |
| 28 | + | ||
| 29 | + | req, err := http.NewRequest(opts.Method, opts.URL, opts.Body) | |
| 30 | + | ||
| 31 | + | if err != nil { | |
| 32 | + | return nil, err | |
| 33 | + | } | |
| 34 | + | ||
| 35 | + | for k, v := range headers { | |
| 36 | + | req.Header.Set(k, v) | |
| 37 | + | } | |
| 38 | + | ||
| 39 | + | resp, err := FetchHttpClient.Do(req) | |
| 40 | + | ||
| 41 | + | if err != nil { | |
| 42 | + | return nil, err | |
| 43 | + | } | |
| 44 | + | ||
| 45 | + | if slices.Contains([]int{408, 502, 503, 504}, resp.StatusCode) { | |
| 46 | + | return nil, ErrServerMaintenance | |
| 47 | + | } | |
| 48 | + | ||
| 49 | + | retryAfterStr := resp.Header.Get("Retry-After") | |
| 50 | + | ||
| 51 | + | if retryAfterStr != "" { | |
| 52 | + | // NOTE: We use milliseconds here even though the API *currently* returns seconds | |
| 53 | + | // to make it easier to change in the future | |
| 54 | + | retryAfter, err := strconv.ParseFloat(retryAfterStr, 64) | |
| 55 | + | ||
| 56 | + | if err != nil { | |
| 57 | + | retryAfter = 3000 | |
| 58 | + | } else { | |
| 59 | + | retryAfter *= 1000 | |
| 60 | + | } | |
| 61 | + | ||
| 62 | + | if efo.OnRatelimit != nil { | |
| 63 | + | efo.OnRatelimit(opts, retryAfter, err, sfo, efo.Session) | |
| 64 | + | } | |
| 65 | + | ||
| 66 | + | // Wait for the time specified by the server | |
| 67 | + | if !efo.NoWait { | |
| 68 | + | time.Sleep(time.Duration(retryAfter) * time.Second) | |
| 69 | + | ||
| 70 | + | if _, err := opts.Body.Seek(0, io.SeekStart); err != nil { | |
| 71 | + | return nil, err | |
| 72 | + | } | |
| 73 | + | ||
| 74 | + | if efo.OnRatelimit != nil { | |
| 75 | + | efo.OnRatelimit(opts, 0, err, sfo, efo.Session) | |
| 76 | + | } | |
| 77 | + | ||
| 78 | + | continue | |
| 79 | + | } | |
| 80 | + | } | |
| 81 | + | ||
| 82 | + | return NewClientResponse(resp), nil | |
| 83 | + | } | |
| 84 | + | } | |
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