handling import events with the same Event Handler

app/src/api/importEvents.go

@@ -1,7 +1,6 @@
 package api
 
 import (
-	"context"
 	"encoding/json"
 	"fmt"
 	"html/template"
@@ -9,11 +8,10 @@ import (
 	"log"
 	"net/http"
 	"strings"
+	"time"
 
-	"grain/server/db"
-	relay "grain/server/types"
+	"grain/config"
 
-	"go.mongodb.org/mongo-driver/mongo"
 	"golang.org/x/net/websocket"
 )
 
@@ -33,30 +31,41 @@ func ImportEvents(w http.ResponseWriter, r *http.Request) {
 	relayUrls := r.FormValue("relayUrls")
 	urls := strings.Split(relayUrls, ",")
 
-	var totalEvents int
-	var errorMessage string
+	totalEventsChan := make(chan int)
+	errorChan := make(chan error)
 
-	for _, url := range urls {
-		events, err := fetchEventsFromRelay(pubkey, url)
-		if err != nil {
-			log.Printf("Error fetching events from relay %s: %v", url, err)
-			errorMessage = fmt.Sprintf("Error fetching events from relay %s", url)
-			renderResult(w, false, errorMessage, 0)
-			return
+	go func() {
+		var totalEvents int
+		var err error
+
+		for _, url := range urls {
+			var events []map[string]interface{}
+			events, err = fetchEventsFromRelay(pubkey, url)
+			if err != nil {
+				errorChan <- fmt.Errorf("error fetching events from relay %s: %w", url, err)
+				return
+			}
+
+			err = sendEventsToRelay(events)
+			if err != nil {
+				errorChan <- fmt.Errorf("error sending events to relay: %w", err)
+				return
+			}
+
+			totalEvents += len(events)
 		}
 
-		err = storeEvents(events)
-		if err != nil {
-			log.Printf("Error storing events: %v", err)
-			errorMessage = "Error storing events"
-			renderResult(w, false, errorMessage, 0)
-			return
-		}
+		totalEventsChan <- totalEvents
+	}()
 
-		totalEvents += len(events)
+	select {
+	case totalEvents := <-totalEventsChan:
+		renderResult(w, true, "Events imported successfully", totalEvents)
+	case err := <-errorChan:
+		renderResult(w, false, err.Error(), 0)
+	case <-time.After(5 * time.Minute):
+		renderResult(w, false, "Timeout importing events", 0)
 	}
-
-	renderResult(w, true, "Events imported successfully", totalEvents)
 }
 
 func renderResult(w http.ResponseWriter, success bool, message string, count int) {
@@ -83,7 +92,7 @@ func renderResult(w http.ResponseWriter, success bool, message string, count int
 	}
 }
 
-func fetchEventsFromRelay(pubkey, relayUrl string) ([]relay.Event, error) {
+func fetchEventsFromRelay(pubkey, relayUrl string) ([]map[string]interface{}, error) {
 	log.Printf("Connecting to relay: %s", relayUrl)
 	conn, err := websocket.Dial(relayUrl, "", "http://localhost/")
 	if err != nil {
@@ -100,7 +109,7 @@ func fetchEventsFromRelay(pubkey, relayUrl string) ([]relay.Event, error) {
 		return nil, err
 	}
 
-	var events []relay.Event
+	var events []map[string]interface{}
 	for {
 		var msg []byte
 		if err := websocket.Message.Receive(conn, &msg); err != nil {
@@ -125,17 +134,12 @@ func fetchEventsFromRelay(pubkey, relayUrl string) ([]relay.Event, error) {
 		}
 
 		if response[0] == "EVENT" {
-			eventData, err := json.Marshal(response[2]) // Change index from 1 to 2
-			if err != nil {
-				log.Printf("Error marshaling event data from relay %s: %v", relayUrl, err)
+			eventData, ok := response[2].(map[string]interface{})
+			if !ok {
+				log.Printf("Invalid event data format from relay %s", relayUrl)
 				continue
 			}
-			var event relay.Event
-			if err := json.Unmarshal(eventData, &event); err != nil {
-				log.Printf("Error unmarshaling event data from relay %s: %v", relayUrl, err)
-				continue
-			}
-			events = append(events, event)
+			events = append(events, eventData)
 		}
 	}
 
@@ -143,20 +147,58 @@ func fetchEventsFromRelay(pubkey, relayUrl string) ([]relay.Event, error) {
 	return events, nil
 }
 
-func storeEvents(events []relay.Event) error {
-	for _, event := range events {
-		collection := db.GetCollection(event.Kind)
-		_, err := collection.InsertOne(context.TODO(), event)
-		if err != nil {
-			if mongo.IsDuplicateKeyError(err) {
-				log.Printf("Duplicate event ID: %s for event kind: %d", event.ID, event.Kind)
-			} else {
-				log.Printf("Error inserting event with ID: %s for event kind: %d: %v", event.ID, event.Kind, err)
-				return err
-			}
-		} else {
-			log.Printf("Successfully inserted event with ID: %s for event kind: %d", event.ID, event.Kind)
+func sendEventsToRelay(events []map[string]interface{}) error {
+	// Use the configuration to get the port
+	cfg, err := config.LoadConfig("config.yml")
+	if err != nil {
+		return fmt.Errorf("failed to load config: %w", err)
+	}
+
+	relayUrl := fmt.Sprintf("ws://localhost%s", cfg.Server.Port)
+
+	batchSize := 5 // Reduce the batch size to avoid connection issues
+	for i := 0; i < len(events); i += batchSize {
+		end := i + batchSize
+		if end > len(events) {
+			end = len(events)
+		}
+		batch := events[i:end]
+
+		if err := sendBatchToRelay(batch, relayUrl); err != nil {
+			return err
 		}
 	}
+
+	return nil
+}
+
+func sendBatchToRelay(events []map[string]interface{}, relayUrl string) error {
+	log.Printf("Connecting to local relay: %s", relayUrl)
+	conn, err := websocket.Dial(relayUrl, "", "http://localhost/")
+	if err != nil {
+		log.Printf("Error connecting to local relay: %v", err)
+		return err
+	}
+	defer conn.Close()
+	log.Printf("Connected to local relay: %s", relayUrl)
+
+	for _, event := range events {
+		eventMessage := []interface{}{"EVENT", event}
+		eventMessageBytes, err := json.Marshal(eventMessage)
+		if err != nil {
+			log.Printf("Error marshaling event message: %v", err)
+			return err
+		}
+
+		if _, err := conn.Write(eventMessageBytes); err != nil {
+			log.Printf("Error sending event message to local relay: %v", err)
+			return err
+		}
+		log.Printf("Sent event to local relay: %s", event["id"])
+	}
+
+	// Wait for a short period to avoid overloading the relay server
+	time.Sleep(100 * time.Millisecond)
+
 	return nil
 }

app/views/importEvents.html

@@ -49,5 +49,18 @@
   >
     Return to Dashboard
   </button>
+  <script>
+    document
+      .getElementById("import-form")
+      .addEventListener("submit", function () {
+        document.getElementById("spinner").style.display = "block";
+      });
+
+    document
+      .getElementById("result")
+      .addEventListener("htmx:afterRequest", function () {
+        document.getElementById("spinner").style.display = "none";
+      });
+  </script>
 </main>
 {{end}}