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debug(pwa): send display-mode detection cookie for diagnosis
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Frontend now sends pwa_display cookie with the actual detected mode
(standalone/minimal-ui/fullscreen/browser/unknown/ios-standalone).
Backend logs this to diagnose why WebAPK detection fails.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Maciej Pienczyn 2026-03-18 10:05:08 +01:00
parent c72f62508d
commit 8d70760ef8
2 changed files with 20 additions and 17 deletions
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32
templates/base.html
View File

@ -2371,22 +2371,24 @@
} }
} }
// PWA detection — set cookie for backend analytics // PWA detection — send display mode info to server via cookie
// WebAPK on Android may not report standalone via matchMedia reliably (function() {
var _isPWA = window.matchMedia('(display-mode: standalone)').matches var modes = ['standalone', 'minimal-ui', 'fullscreen', 'browser'];
|| window.matchMedia('(display-mode: minimal-ui)').matches var detected = 'unknown';
|| window.navigator.standalone === true for (var i = 0; i < modes.length; i++) {
|| document.referrer.startsWith('android-app://'); if (window.matchMedia('(display-mode: ' + modes[i] + ')').matches) {
// Fallback: if browser mode query is supported but does NOT match, we're in PWA detected = modes[i];
if (!_isPWA) { break;
var browserMode = window.matchMedia('(display-mode: browser)'); }
if (browserMode.media !== 'not all' && !browserMode.matches) {
_isPWA = true;
} }
} if (window.navigator.standalone === true) detected = 'ios-standalone';
if (_isPWA) { // Set cookie with detected mode for debugging
document.cookie = 'pwa_mode=1; path=/; max-age=86400; SameSite=Lax'; document.cookie = 'pwa_display=' + detected + '; path=/; max-age=86400; SameSite=Lax';
} // PWA = anything that is NOT 'browser' and NOT 'unknown'
if (detected !== 'browser' && detected !== 'unknown') {
document.cookie = 'pwa_mode=1; path=/; max-age=86400; SameSite=Lax';
}
})();
// PWA Smart Banner logic // PWA Smart Banner logic
(function() { (function() {

5
utils/analytics.py
View File

@ -100,8 +100,9 @@ def get_or_create_analytics_session():
user_session.user_id = current_user.id user_session.user_id = current_user.id
# PWA cookie arrives on 2nd request (after JS sets it) # PWA cookie arrives on 2nd request (after JS sets it)
pwa_cookie = request.cookies.get('pwa_mode') pwa_cookie = request.cookies.get('pwa_mode')
if pwa_cookie: pwa_display = request.cookies.get('pwa_display')
logger.info(f"PWA cookie found: '{pwa_cookie}' for session {user_session.id}") if pwa_display:
logger.info(f"PWA display mode: '{pwa_display}' pwa_mode={pwa_cookie} session={user_session.id} browser={user_session.browser}")
if not user_session.is_pwa and pwa_cookie == '1': if not user_session.is_pwa and pwa_cookie == '1':
user_session.is_pwa = True user_session.is_pwa = True
logger.info(f"Setting is_pwa=True for session {user_session.id}") logger.info(f"Setting is_pwa=True for session {user_session.id}")