[BREAKING] changed notification config format, support multiple notification providers, support webhook and markdown style notification

internal/notif/providers.go

@@ -2,19 +2,78 @@ package notif
 
 import (
 	"context"
+	"fmt"
+	"io"
+	"net/http"
 
 	E "github.com/yusing/go-proxy/internal/error"
+	gphttp "github.com/yusing/go-proxy/internal/net/http"
+	U "github.com/yusing/go-proxy/internal/utils"
 )
 
 type (
 	Provider interface {
 		Name() string
-		Send(ctx context.Context, logMsg *LogMessage) error
+		URL() string
+		Method() string
+		Token() string
+		MIMEType() string
+		MakeBody(logMsg *LogMessage) (io.Reader, error)
+
+		makeRespError(resp *http.Response) error
 	}
 	ProviderCreateFunc func(map[string]any) (Provider, E.Error)
 	ProviderConfig     map[string]any
 )
 
+const (
+	ProviderGotify  = "gotify"
+	ProviderWebhook = "webhook"
+)
+
 var Providers = map[string]ProviderCreateFunc{
-	"gotify": newGotifyClient,
+	ProviderGotify:  newNotifProvider[*GotifyClient],
+	ProviderWebhook: newNotifProvider[*Webhook],
+}
+
+func newNotifProvider[T Provider](cfg map[string]any) (Provider, E.Error) {
+	var client T
+	err := U.Deserialize(cfg, &client)
+	if err != nil {
+		return nil, err.Subject(client.Name())
+	}
+	return client, nil
+}
+
+func notifyProvider(ctx context.Context, provider Provider, msg *LogMessage) error {
+	body, err := provider.MakeBody(msg)
+	if err != nil {
+		return fmt.Errorf("%s error: %w", provider.Name(), err)
+	}
+	req, err := http.NewRequestWithContext(
+		ctx,
+		http.MethodPost,
+		provider.URL(),
+		body,
+	)
+	if err != nil {
+		return fmt.Errorf("%s error: %w", provider.Name(), err)
+	}
+
+	req.Header.Set("Content-Type", provider.MIMEType())
+	if provider.Token() != "" {
+		req.Header.Set("Authorization", "Bearer "+provider.Token())
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return fmt.Errorf("%s error: %w", provider.Name(), err)
+	}
+
+	defer resp.Body.Close()
+
+	if !gphttp.IsSuccess(resp.StatusCode) {
+		return provider.makeRespError(resp)
+	}
+	return nil
 }