89 lines
2.7 KiB
Go
89 lines
2.7 KiB
Go
 
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// Package notify sends best-effort release notifications to chat and webhook targets.
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package notify
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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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"net/http"
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"time"
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)
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// Message is the content of a release notification, shared across all targets.
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type Message struct {
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Version string // tag name, e.g. "v1.2.3"
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Notes string // release notes body
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}
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// Config holds the destination for every supported notification target.
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// Every field is opt-in — a target is skipped when its required fields are empty.
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type Config struct {
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SlackWebhookURL string
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TeamsWebhookURL string
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GoogleChatWebhookURL string
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TelegramBotToken string
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TelegramChatID string
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WebhookURL string
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}
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var httpClient = &http.Client{Timeout: 15 * time.Second}
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// SendAll sends msg to every target configured in cfg. Each target is attempted
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// independently — a failure on one does not prevent the others from being tried.
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// Returns one error per failed target, or nil if every configured target
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// succeeded (or none were configured).
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func SendAll(ctx context.Context, cfg Config, msg Message) []error {
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var errs []error
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if cfg.SlackWebhookURL != "" {
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if err := sendSlack(ctx, cfg.SlackWebhookURL, msg); err != nil {
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errs = append(errs, fmt.Errorf("slack: %w", err))
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}
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}
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if cfg.TeamsWebhookURL != "" {
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if err := sendTeams(ctx, cfg.TeamsWebhookURL, msg); err != nil {
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errs = append(errs, fmt.Errorf("teams: %w", err))
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}
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}
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if cfg.GoogleChatWebhookURL != "" {
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if err := sendGoogleChat(ctx, cfg.GoogleChatWebhookURL, msg); err != nil {
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errs = append(errs, fmt.Errorf("google chat: %w", err))
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}
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}
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if cfg.TelegramBotToken != "" && cfg.TelegramChatID != "" {
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if err := sendTelegram(ctx, cfg.TelegramBotToken, cfg.TelegramChatID, msg); err != nil {
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errs = append(errs, fmt.Errorf("telegram: %w", err))
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}
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}
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if cfg.WebhookURL != "" {
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if err := sendWebhook(ctx, cfg.WebhookURL, msg); err != nil {
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errs = append(errs, fmt.Errorf("webhook: %w", err))
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}
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}
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return errs
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}
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// postJSON POSTs payload as JSON to url and treats any non-2xx response as an error.
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func postJSON(ctx context.Context, url string, payload any) error {
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body, _ := json.Marshal(payload) // payload fields are always plain strings — Marshal cannot fail here
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req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(body))
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if err != nil {
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return 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("request failed: %w", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode < 200 || resp.StatusCode >= 300 {
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return fmt.Errorf("returned status %d", resp.StatusCode)
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}
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return nil
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}
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