merge: integrate media workflow fixes

internal/handler/request_cancel.go

@@ -0,0 +1,29 @@
+package handler
+
+import (
+	"context"
+	"errors"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+const statusClientClosedRequest = 499
+
+func requestContextCanceled(c *gin.Context, err error) bool {
+	if errors.Is(err, context.Canceled) {
+		return true
+	}
+	if c == nil || c.Request == nil {
+		return false
+	}
+	return errors.Is(c.Request.Context().Err(), context.Canceled)
+}
+
+func writeInternalOrCanceled(c *gin.Context, err error) {
+	if requestContextCanceled(c, err) {
+		c.AbortWithStatus(statusClientClosedRequest)
+		return
+	}
+	c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+}