Added support for PWA

backend/db.py

@@ -21,7 +21,7 @@ from backend.custom_exceptions import (AccessUnauthorized, InvalidDatabaseFile,
 from backend.helpers import RestartVars, folder_path
 
 DB_FILENAME = 'db', 'MIND.db'
-__DATABASE_VERSION__ = 9
+__DATABASE_VERSION__ = 10
 __DATEBASE_NAME_ORIGINAL__ = "MIND_original.db"
 
 class DB_Singleton(type):
@@ -283,6 +283,22 @@ def migrate_db(current_db_version: int) -> None:
 
 		current_db_version = 9
 
+	if current_db_version == 9:
+		# V9 -> V10
+
+		# Nothing is changed in the database
+		# It's just that this code needs to run once
+		# and the DB migration system does exactly that:
+		# run pieces of code once.
+		from backend.settings import update_manifest
+
+		url_prefix: str = cursor.execute(
+			"SELECT value FROM config WHERE key = 'url_prefix' LIMIT 1;"
+		).fetchone()[0]
+		update_manifest(url_prefix)
+
+		current_db_version = 10
+
 	return
 
 def setup_db() -> None:

backend/settings.py

@@ -4,10 +4,12 @@
 Getting and setting settings
 """
 
+from json import dumps, loads
 from typing import Any
 
 from backend.custom_exceptions import InvalidKeyValue, KeyNotFound
 from backend.db import __DATABASE_VERSION__, get_db
+from backend.helpers import folder_path
 
 default_settings = {
 	'allow_new_accounts': True,
@@ -143,6 +145,25 @@ def set_setting(key: str, value: Any) -> None:
 		"UPDATE config SET value = ? WHERE key = ?;",
 		(value, key)
 	)
+
+	if key == 'url_prefix':
+		update_manifest(value)
+
+	return
+
+def update_manifest(url_base: str) -> None:
+	"""Update the url's in the manifest file.
+	Needs to happen when url base changes.
+
+	Args:
+		url_base (str): The url base to use in the file.
+	"""
+	with open(folder_path('frontend', 'static', 'json', 'manifest.json'), 'r+') as f:
+		manifest = loads(f.read())
+		manifest['start_url'] = url_base + '/'
+		manifest['icons'][0]['src'] = f'{url_base}/static/img/favicon.svg'
+		f.seek(0)
+		f.write(dumps(manifest, indent=4))
 	return
 
 def backup_hosting_settings() -> None:

frontend/static/json/manifest.json

@@ -0,0 +1,18 @@
+{
+    "name": "MIND",
+    "short_name": "MIND",
+    "start_url": "/",
+    "display": "standalone",
+    "background_color": "#1b1b1b",
+    "theme_color": "#6b6b6b",
+    "orientation": "portrait-primary",
+    "icons": [
+        {
+            "src": "/static/img/favicon.svg",
+            "type": "image/svg+xml",
+            "sizes": "64x64 32x32 24x24 16x16"
+        }
+    ]
+} }
+    ]
+}

frontend/templates/admin.html

@@ -5,6 +5,11 @@
 	<meta name="viewport" content="width=device-width, initial-scale=1.0">
 	<meta id="url_prefix" data-value="{{url_prefix}}">
 
+	<link rel="manifest" href="{{ url_for('static', filename='json/manifest.json') }}">
+	<link rel="apple-touch-icon" href="{{ url_for('static', filename='img/favicon.svg') }}">
+	<meta name="apple-mobile-web-app-status-bar" content="#6b6b6b">
+	<meta name="theme-color" content="#6b6b6b">
+
 	<link rel="shortcut icon" href="{{ url_for('static', filename='img/favicon.svg') }}" type="image/x-icon">
 
 	<link rel="stylesheet" href="{{ url_for('static', filename='css/general.css') }}">

frontend/templates/login.html

@@ -6,6 +6,11 @@
 	<meta name="viewport" content="width=device-width, initial-scale=1.0">
 	<meta id="url_prefix" data-value="{{url_prefix}}">
 
+	<link rel="manifest" href="{{ url_for('static', filename='json/manifest.json') }}">
+	<link rel="apple-touch-icon" href="{{ url_for('static', filename='img/favicon.svg') }}">
+	<meta name="apple-mobile-web-app-status-bar" content="#6b6b6b">
+	<meta name="theme-color" content="#6b6b6b">
+
 	<link rel="shortcut icon" href="{{ url_for('static', filename='img/favicon.svg') }}" type="image/x-icon">
 
 	<link rel="stylesheet" href="{{ url_for('static', filename='css/general.css') }}">

frontend/templates/reminders.html

@@ -6,6 +6,11 @@
 	<meta name="viewport" content="width=device-width, initial-scale=1.0">
 	<meta id="url_prefix" data-value="{{url_prefix}}">
 
+	<link rel="manifest" href="{{ url_for('static', filename='json/manifest.json') }}">
+	<link rel="apple-touch-icon" href="{{ url_for('static', filename='img/favicon.svg') }}">
+	<meta name="apple-mobile-web-app-status-bar" content="#6b6b6b">
+	<meta name="theme-color" content="#6b6b6b">
+
 	<link rel="shortcut icon" href="{{ url_for('static', filename='img/favicon.svg') }}" type="image/x-icon">
 
 	<link rel="stylesheet" href="{{ url_for('static', filename='css/general.css') }}">