mirror of
https://github.com/Luzifer/twitch-bot.git
synced 2024-11-09 00:30:02 +00:00
83 lines
1.9 KiB
Go
83 lines
1.9 KiB
Go
package api
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"net/url"
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"time"
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"github.com/itchyny/gojq"
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"github.com/pkg/errors"
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)
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const (
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jqQueryTimeout = 2 * time.Second
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remoteRequestTimeout = 5 * time.Second
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)
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func jsonAPI(uri, path string, fallback ...string) (string, error) {
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u, err := url.Parse(uri)
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if err != nil {
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return "", errors.Wrap(err, "parsing URL")
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}
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query, err := gojq.Parse(path)
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if err != nil {
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return "", errors.Wrap(err, "parsing JSON path")
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}
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reqCtx, cancel := context.WithTimeout(context.Background(), remoteRequestTimeout)
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defer cancel()
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req, err := http.NewRequestWithContext(reqCtx, http.MethodGet, u.String(), nil)
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if err != nil {
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return "", errors.Wrap(err, "assembling request")
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}
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req.Header.Set("User-Agent", "Luzifer/twitch-bot template/api/jsonAPI (https://github.com/Luzifer/twitch-bot)")
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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return "", errors.Wrap(err, "executing request")
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}
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defer resp.Body.Close()
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switch resp.StatusCode {
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case http.StatusOK:
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// That's what we wanna see
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case http.StatusNoContent:
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if len(fallback) > 0 {
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return fallback[0], nil
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}
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return "", errors.Errorf("unexpected HTTP status %d without fallback", resp.StatusCode)
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default:
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return "", errors.Errorf("unexpected HTTP status %d", resp.StatusCode)
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}
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execCtx, cancel := context.WithTimeout(context.Background(), jqQueryTimeout)
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defer cancel()
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data := make(map[string]any)
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if err = json.NewDecoder(resp.Body).Decode(&data); err != nil {
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return "", errors.Wrap(err, "parsing response JSON")
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}
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iter := query.RunWithContext(execCtx, data)
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v, ok := iter.Next()
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if !ok {
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if len(fallback) > 0 {
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return fallback[0], nil
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}
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return "", errors.New("no results found")
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}
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if err, ok := v.(error); ok {
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return "", errors.Wrap(err, "iterating path")
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}
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return fmt.Sprintf("%v", v), nil
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}
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