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