From 6cc0bfd1d79074df790272b8091b1f0226d14283 Mon Sep 17 00:00:00 2001
From: zwlucas <lucas.fariamo08@gmail.com>
Date: Fri, 29 May 2026 15:57:37 -0300
Subject: feat: upload project

Signed-off-by: zwlucas <lucas.fariamo08@gmail.com>
---
 backend/internal/api/sse.go | 57 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 backend/internal/api/sse.go

(limited to 'backend/internal/api/sse.go')

diff --git a/backend/internal/api/sse.go b/backend/internal/api/sse.go
new file mode 100644
index 0000000..7c2332c
--- /dev/null
+++ b/backend/internal/api/sse.go
@@ -0,0 +1,57 @@
+package api
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+
+	"yaum/internal/sse"
+)
+
+type StreamHandler struct {
+	broadcaster *sse.Broadcaster
+}
+
+func NewStreamHandler(b *sse.Broadcaster) *StreamHandler {
+	return &StreamHandler{broadcaster: b}
+}
+
+func (sh *StreamHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	flusher, ok := w.(http.Flusher)
+	if !ok {
+		http.Error(w, "streaming not supported", http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "text/event-stream")
+	w.Header().Set("Cache-Control", "no-cache")
+	w.Header().Set("Connection", "keep-alive")
+	w.Header().Set("X-Accel-Buffering", "no")
+
+	ch := sh.broadcaster.Subscribe()
+	defer sh.broadcaster.Unsubscribe(ch)
+
+	_, err := fmt.Fprintf(w, "event: connected\ndata: {}\n\n")
+	if err != nil {
+		return
+	}
+	flusher.Flush()
+
+	ctx := r.Context()
+	for {
+		select {
+		case data, ok := <-ch:
+			if !ok {
+				return
+			}
+			_, err := fmt.Fprintf(w, "event: heartbeat\ndata: %s\n\n", data)
+			if err != nil {
+				log.Printf("[sse] cliente desconectado: %v", err)
+				return
+			}
+			flusher.Flush()
+		case <-ctx.Done():
+			return
+		}
+	}
+}
-- 
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