73 lines
1.3 KiB
Go
73 lines
1.3 KiB
Go
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package useragents
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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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"io"
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"gitea.stevedudenhoeffer.com/steve/go-extractor"
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)
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type Config struct{}
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var DefaultConfig = Config{}
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func deferClose(cl io.Closer) {
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if cl != nil {
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_ = cl.Close()
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}
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}
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func GetMostCommonDesktopUserAgent(ctx context.Context, b extractor.Browser) (string, error) {
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return DefaultConfig.GetMostCommonDesktopUserAgent(ctx, b)
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}
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func (c Config) GetMostCommonDesktopUserAgent(ctx context.Context, b extractor.Browser) (string, error) {
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doc, err := b.Open(ctx, "https://www.useragents.me/", extractor.OpenPageOptions{})
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if err != nil {
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return "", fmt.Errorf("failed to open useragents.me: %w", err)
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}
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defer deferClose(doc)
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s := doc.Select("#most-common-desktop-useragents-json-csv > div:nth-child(1) > textarea:nth-child(4)")
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text := ""
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for _, el := range s {
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t, err := el.Content()
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if err != nil {
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return "", fmt.Errorf("failed to get text: %w", err)
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}
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text += t
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}
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data := []map[string]any{}
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fmt.Println("text", text)
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err = json.Unmarshal([]byte(text), &data)
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if err != nil {
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return "", err
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}
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highestAgent := ""
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highestPct := 0.0
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for _, agent := range data {
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pct, ok := agent["pct"].(float64)
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if !ok {
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continue
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}
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if pct > highestPct {
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highestPct = pct
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highestAgent = agent["ua"].(string)
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}
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}
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return highestAgent, nil
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}
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