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83 lines
1.9 KiB
Go
83 lines
1.9 KiB
Go
package notifications
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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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"net/http"
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"os"
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"strings"
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)
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const (
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webhookTag = "webhook"
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webhookRequestTypeJson = "JSON"
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envWebhookUrl = "WEBHOOK_RL"
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envWebhookRequestType = "WEBHOOK_REQ_TYPE"
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)
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type Doer interface {
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Do(*http.Request) (*http.Response, error)
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}
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type WebhookConfig struct {
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Url string
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Json bool
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}
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func NewWebhookConfigFromEnv() WebhookConfig {
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return WebhookConfig{
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Url: os.Getenv(envWebhookUrl),
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Json: strings.ToUpper(os.Getenv(envWebhookRequestType)) == webhookRequestTypeJson,
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}
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}
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type WebhookNotification struct {
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config WebhookConfig
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client Doer
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}
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func (w WebhookNotification) Tag() string {
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return webhookTag
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}
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func NewWebhookNotification(config WebhookConfig, client Doer) *WebhookNotification {
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return &WebhookNotification{config: config, client: client}
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}
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func (w WebhookNotification) getRequestBody(notification Notification) (io.Reader, error) {
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out := bytes.NewBuffer(notification.NewIp)
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if w.config.Json {
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if err := json.NewEncoder(out).Encode(notification); err != nil {
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return nil, fmt.Errorf("error encoding notification body: %w", err)
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}
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return out, nil
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}
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return out, nil
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}
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func (w WebhookNotification) Notify(ctx context.Context, notification Notification) error {
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body, err := w.getRequestBody(notification)
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if err != nil {
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return fmt.Errorf("WebhookNotification::NotifyWithLog error: %w", err)
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}
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req, err := http.NewRequestWithContext(ctx, http.MethodPost, w.config.Url, body)
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if err != nil {
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return fmt.Errorf("WebhookNotification::NotifyWithLog error creating request: %w", err)
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}
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resp, err := w.client.Do(req)
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if err != nil {
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return fmt.Errorf("WebhookNotification::NotifyWithLog error while sending notification: %w", err)
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}
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_ = resp.Body.Close()
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if resp.StatusCode >= 300 {
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return fmt.Errorf("WebhookNotification::NotifyWithLog unexpected non 2xx code %d returned", resp.StatusCode)
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}
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return nil
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}
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