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path: root/vendor/github.com/slack-go/slack/webhooks_go112.go
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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.NewRequest(http.MethodPost, url, bytes.NewReader(raw))
	if err != nil {
		return errors.Wrap(err, "failed new request")
	}
	req = req.WithContext(ctx)
	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{})
}