f2fc168abe
- Replace prazdnikisegodnyaru with celebratoday as first is banned in Russia - Update .golangci.yml rule set - Megatons of fixes for linter - Update README.md
80 lines
1.9 KiB
Go
80 lines
1.9 KiB
Go
// Package anekdotru implemets client for anekdot.ru service.
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package anekdotru
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import (
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"aleesa-webapp-go/internal/config"
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"math/rand/v2"
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"regexp"
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"github.com/carlmjohnson/requests"
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)
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// APIClient клиент сервиса anekdot.ru.
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func APIClient(cfg *config.MyConfig) (string, error) {
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var (
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ctx = context.Background()
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respBody bytes.Buffer
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respBytes []byte
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userAgent = cfg.UserAgents[rand.IntN(len(cfg.UserAgents))]
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url = "https://www.anekdot.ru/rss/randomu.html"
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)
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err := requests.URL(url).UserAgent(userAgent).ToBytesBuffer(&respBody).Fetch(ctx)
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if err != nil {
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return "", fmt.Errorf("unable to GET %s: %w", url, err)
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}
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// Time to fix UTF-8, just in case.
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respBytes = bytes.ToValidUTF8(respBody.Bytes(), []byte{0xef, 0xbf, 0xbd})
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// Cut-off json.
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re := regexp.MustCompile(`JSON.parse\('`)
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aneks := re.Split(string(respBytes), 2)
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if (len(aneks) >= 2) && (aneks[1] != "") {
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re = regexp.MustCompile(`'\);`)
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a := re.Split(aneks[1], 2)
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if (len(a) >= 2) && (a[0] != "") {
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anek := []byte(a[0])
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re = regexp.MustCompile(`\\"`)
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anek = re.ReplaceAll(anek, []byte(`"`))
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re = regexp.MustCompile(`\\"`)
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anekJSON := re.ReplaceAll(anek, []byte(`"`))
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anekJSON = bytes.ToValidUTF8(anekJSON, []byte{0xef, 0xbf, 0xbd})
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var anekMap []string
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if err := json.Unmarshal(anekJSON, &anekMap); err != nil {
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return fmt.Sprintf("RespBytes:%s\n\nAnekJSON: %s", respBytes, string(anekJSON)), err
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}
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re = regexp.MustCompile(`<br>`)
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answer := re.ReplaceAll([]byte(anekMap[0]), []byte("\n"))
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return string(answer), nil
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}
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fmt.Printf("a length: %d\nvalue: %v", len(a), a)
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} else {
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fmt.Printf("aneks length: %d\nvalue: %v", len(aneks), aneks)
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}
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err = errors.New("Unable to parse response from www.anekdot.ru: " + string(respBytes))
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return "", err
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}
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/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */
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