From 1fe67135917c763351a3e3e75379a5a708c4027a Mon Sep 17 00:00:00 2001
From: afterlifepro <vielle.dev@proton.me>
Date: Tue, 30 Sep 2025 23:59:57 +0100
Subject: [PATCH] appview/state,appview/pages/templates: add installable pwa
 support for tangled

Signed-off-by: afterlifepro <vielle.dev@proton.me>
---
 appview/pages/templates/layouts/base.html     |  3 +++
 .../pages/templates/user/completeSignup.html  |  1 +
 appview/pages/templates/user/login.html       |  1 +
 appview/pages/templates/user/signup.html      |  1 +
 appview/state/router.go                       |  1 +
 appview/state/state.go                        | 23 +++++++++++++++++++
 6 files changed, 30 insertions(+)

diff --git a/appview/pages/templates/layouts/base.html b/appview/pages/templates/layouts/base.html
index 4fc18a81..4fe948f5 100644
--- a/appview/pages/templates/layouts/base.html
+++ b/appview/pages/templates/layouts/base.html
@@ -14,6 +14,9 @@
             <link rel="preconnect" href="https://avatar.tangled.sh" />
             <link rel="preconnect" href="https://camo.tangled.sh" />
 
+            <!-- pwa manifest -->
+            <link rel="manifest" href="/pwa-manifest.json" />
+
             <!-- preload main font -->
             <link rel="preload" href="/static/fonts/InterVariable.woff2" as="font" type="font/woff2" crossorigin />
 
diff --git a/appview/pages/templates/user/completeSignup.html b/appview/pages/templates/user/completeSignup.html
index 542731dc..1f0e9744 100644
--- a/appview/pages/templates/user/completeSignup.html
+++ b/appview/pages/templates/user/completeSignup.html
@@ -20,6 +20,7 @@
                 content="complete your signup for tangled"
             />
             <script src="/static/htmx.min.js"></script>
+            <link rel="manifest" href="/pwa-manifest.json" />
             <link
                 rel="stylesheet"
                 href="/static/tw.css?{{ cssContentHash }}"
diff --git a/appview/pages/templates/user/login.html b/appview/pages/templates/user/login.html
index ebd3bafe..fe708acb 100644
--- a/appview/pages/templates/user/login.html
+++ b/appview/pages/templates/user/login.html
@@ -8,6 +8,7 @@
             <meta property="og:url" content="https://tangled.org/login" />
             <meta property="og:description" content="login to for tangled" />
             <script src="/static/htmx.min.js"></script>
+            <link rel="manifest" href="/pwa-manifest.json" />
             <link rel="stylesheet" href="/static/tw.css?{{ cssContentHash }}" type="text/css" />
             <title>login &middot; tangled</title>
         </head>
diff --git a/appview/pages/templates/user/signup.html b/appview/pages/templates/user/signup.html
index 1edbf20b..dd4a8d73 100644
--- a/appview/pages/templates/user/signup.html
+++ b/appview/pages/templates/user/signup.html
@@ -8,6 +8,7 @@
             <meta property="og:url" content="https://tangled.org/signup" />
             <meta property="og:description" content="sign up for tangled" />
             <script src="/static/htmx.min.js"></script>
+            <link rel="manifest" href="/pwa-manifest.json" />
             <link rel="stylesheet" href="/static/tw.css?{{ cssContentHash }}" type="text/css" />
             <title>sign up &middot; tangled</title>
 
diff --git a/appview/state/router.go b/appview/state/router.go
index 3165f433..58c4a586 100644
--- a/appview/state/router.go
+++ b/appview/state/router.go
@@ -37,6 +37,7 @@ func (s *State) Router() http.Handler {
 	router.Use(middleware.TryRefreshSession())
 	router.Get("/favicon.svg", s.Favicon)
 	router.Get("/favicon.ico", s.Favicon)
+	router.Get("/pwa-manifest.json", s.PWAManifest)
 
 	userRouter := s.UserRouter(&middleware)
 	standardRouter := s.StandardRouter(&middleware)
diff --git a/appview/state/state.go b/appview/state/state.go
index 7fea71c9..cc0625af 100644
--- a/appview/state/state.go
+++ b/appview/state/state.go
@@ -198,6 +198,29 @@ func (s *State) Favicon(w http.ResponseWriter, r *http.Request) {
 	s.pages.Favicon(w)
 }
 
+// https://developer.mozilla.org/en-US/docs/Web/Progressive_web_apps/Manifest
+const manifestJson = `{
+  "name": "tangled",
+  "description": "tightly-knit social coding.",
+  "icons": [
+    {
+      "src": "/favicon.svg",
+      "sizes": "144x144"
+    }
+  ],
+  "start_url": "/",
+  "id": "org.tangled",
+
+  "display": "standalone",
+  "background_color": "#111827",
+  "theme_color": "#111827"
+}`
+
+func (p *State) PWAManifest(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "application/json")
+	w.Write([]byte(manifestJson))
+}
+
 func (s *State) TermsOfService(w http.ResponseWriter, r *http.Request) {
 	user := s.oauth.GetUser(r)
 	s.pages.TermsOfService(w, pages.TermsOfServiceParams{
-- 
2.43.0