From d4b1d240b9dc1bcf735e2582cec9383e795f0dfe Mon Sep 17 00:00:00 2001
From: Svilen Markov <7613769+svilenmarkov@users.noreply.github.com>
Date: Sun, 8 Dec 2024 14:55:53 +0000
Subject: [PATCH] Fix releasing page mutex during template execution

---
 internal/glance/glance.go | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/internal/glance/glance.go b/internal/glance/glance.go
index daa920c..b1fcc37 100644
--- a/internal/glance/glance.go
+++ b/internal/glance/glance.go
@@ -92,9 +92,6 @@ func newApplication(config *config) (*application, error) {
 }
 
 func (p *page) updateOutdatedWidgets() {
-	p.mu.Lock()
-	defer p.mu.Unlock()
-
 	now := time.Now()
 
 	var wg sync.WaitGroup
@@ -168,10 +165,17 @@ func (a *application) handlePageContentRequest(w http.ResponseWriter, r *http.Re
 		Page: page,
 	}
 
-	page.updateOutdatedWidgets()
-
+	var err error
 	var responseBytes bytes.Buffer
-	err := pageContentTemplate.Execute(&responseBytes, pageData)
+
+	func() {
+		page.mu.Lock()
+		defer page.mu.Unlock()
+
+		page.updateOutdatedWidgets()
+		err = pageContentTemplate.Execute(&responseBytes, pageData)
+	}()
+
 	if err != nil {
 		w.WriteHeader(http.StatusInternalServerError)
 		w.Write([]byte(err.Error()))