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|
package slack
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
)
type WebhookMessage struct {
Username string `json:"username,omitempty"`
IconEmoji string `json:"icon_emoji,omitempty"`
IconURL string `json:"icon_url,omitempty"`
Channel string `json:"channel,omitempty"`
ThreadTimestamp string `json:"thread_ts,omitempty"`
Text string `json:"text,omitempty"`
Attachments []Attachment `json:"attachments,omitempty"`
Parse string `json:"parse,omitempty"`
Blocks *Blocks `json:"blocks,omitempty"`
ResponseType string `json:"response_type,omitempty"`
ReplaceOriginal bool `json:"replace_original,omitempty"`
DeleteOriginal bool `json:"delete_original,omitempty"`
ReplyBroadcast bool `json:"reply_broadcast,omitempty"`
}
func PostWebhook(url string, msg *WebhookMessage) error {
return PostWebhookCustomHTTPContext(context.Background(), url, http.DefaultClient, msg)
}
func PostWebhookContext(ctx context.Context, url string, msg *WebhookMessage) error {
return PostWebhookCustomHTTPContext(ctx, url, http.DefaultClient, msg)
}
func PostWebhookCustomHTTP(url string, httpClient *http.Client, msg *WebhookMessage) error {
return PostWebhookCustomHTTPContext(context.Background(), url, httpClient, msg)
}
func PostWebhookCustomHTTPContext(ctx context.Context, url string, httpClient *http.Client, msg *WebhookMessage) error {
raw, err := json.Marshal(msg)
if err != nil {
return fmt.Errorf("marshal failed: %w", err)
}
req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(raw))
if err != nil {
return fmt.Errorf("failed new request: %w", err)
}
req.Header.Set("Content-Type", "application/json")
resp, err := httpClient.Do(req)
if err != nil {
return fmt.Errorf("failed to post webhook: %w", err)
}
defer func() {
io.Copy(ioutil.Discard, resp.Body)
resp.Body.Close()
}()
return checkStatusCode(resp, discard{})
}
|
