Implement discord webhook notifications

downloader/discordNotifier.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"os"
+)
+
+func NotifyDiscord(message string) error {
+	webhookURL := os.Getenv("YTDL_DISCORD_WEBHOOK_URL")
+	if webhookURL == "" {
+		return fmt.Errorf("error notifying discord: webhook URL is not set in environment variables")
+	}
+
+	jsonData := map[string]string{"content": message}
+	jsonBytes, err := json.Marshal(jsonData)
+	if err != nil {
+		return fmt.Errorf("error notifying discord: error marshalling JSON: %v", err)
+	}
+	req, err := http.NewRequest("POST", webhookURL, bytes.NewBuffer(jsonBytes))
+	if err != nil {
+		return fmt.Errorf("error notifying discord: error creating request: %v", err)
+	}
+	req.Header.Set("Content-Type", "application/json")
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		return fmt.Errorf("error notifying discord: error sending request: %v", err)
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return fmt.Errorf("error notifying discord: error reading response body: %v", err)
+	}
+
+	log.Printf("Response from Discord: %s", string(body))
+	return nil
+}

downloader/main.go

@@ -6,11 +6,11 @@ import (
 	"fmt"
 	"io"
 	"log"
-	"ytdl/downloaders"
 	"os"
 	"os/signal"
 	"syscall"
 	"time"
+	"ytdl/downloaders"
 
 	"github.com/nsqio/go-nsq"
 )
@@ -36,7 +36,7 @@ func init() {
 		log.Lmicroseconds|log.Lshortfile)
 }
 
-//var downloader downloaders.Downloader = &downloaders.YTDLPRawDownloader{}
+// var downloader downloaders.Downloader = &downloaders.YTDLPRawDownloader{}
 // var downloader downloaders.Downloader = &downloaders.KidaiDownloader{}
 var downloader downloaders.Downloader = &downloaders.YTDLPLibDownloader{}
 
@@ -44,10 +44,21 @@ type DLHandler struct{}
 
 func (*DLHandler) HandleMessage(message *nsq.Message) error {
 	log.Printf("Received message '%s' with %d attempts", message.Body, message.Attempts)
+	err := NotifyDiscord(fmt.Sprintf("Received message '%s' with %d attempts", message.Body, message.Attempts))
+	if err != nil {
+		Error.Printf("Error notifying discord: %v", err)
+		return err
+	}
+
 	data := DownloadRequest{}
-	err := json.Unmarshal(message.Body, &data)
+	err = json.Unmarshal(message.Body, &data)
 	if err != nil {
 		Error.Printf("Error unmarshalling message: %v", err)
+		err = NotifyDiscord(fmt.Sprintf("Error unmarshalling message: %v", err))
+		if err != nil {
+			Error.Printf("Error notifying discord: %v", err)
+			return err
+		}
 		return err
 	}
 
@@ -71,18 +82,28 @@ func (*DLHandler) HandleMessage(message *nsq.Message) error {
 	err = downloader.Download(data.Link)
 	if err != nil {
 		Error.Printf("Error downloading %s: %v", data.Link, err)
+		err = NotifyDiscord(fmt.Sprintf("Error downloading %s: %v", data.Link, err))
+		if err != nil {
+			Error.Printf("Error notifying discord: %v", err)
+			return err
+		}
 		return err
 	}
 	message.Finish()
+	err = NotifyDiscord(fmt.Sprintf("Downloaded %s", data.Link))
+	if err != nil {
+		Error.Printf("Error notifying discord: %v", err)
+		return err
+	}
 	return nil
 }
 
 func main() {
-//	err := downloader.Download("https://www.youtube.com/watch?v=SiKjprtiPaw")
+	//	err := downloader.Download("https://www.youtube.com/watch?v=SiKjprtiPaw")
-//	if err != nil {
+	//	if err != nil {
-//		Error.Printf("Error downloading: %v", err)
+	//		Error.Printf("Error downloading: %v", err)
-//	}
+	//	}
-//	return
+	//	return
 
 	config := nsq.NewConfig()
 	config.MaxAttempts = 5