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// +build go1.13
package slack
import (
"bytes"
"context"
"encoding/json"
"net/http"
"github.com/pkg/errors"
)
func PostWebhookCustomHTTPContext(ctx context.Context, url string, httpClient *http.Client, msg *WebhookMessage) error {
raw, err := json.Marshal(msg)
if err != nil {
return errors.Wrap(err, "marshal failed")
}
req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(raw))
if err != nil {
return errors.Wrap(err, "failed new request")
}
req.Header.Set("Content-Type", "application/json")
resp, err := httpClient.Do(req)
if err != nil {
return errors.Wrap(err, "failed to post webhook")
}
defer resp.Body.Close()
return checkStatusCode(resp, discard{})
}
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