From 55e22efb668e91438387da49949f16195eb03ff5 Mon Sep 17 00:00:00 2001
From: Nikolaos Karaolidis <nick@karaolidis.com>
Date: Tue, 11 Jul 2023 12:18:33 +0300
Subject: [PATCH] Add .noMedia setting

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>
---
 src/contexts/settings.tsx | 29 ++++++++++++++++++++++++++++-
 src/screens/settings.tsx  | 18 ++++++++++++++++--
 src/styles.tsx            | 11 +++++++++--
 src/types/settings.ts     |  1 +
 4 files changed, 54 insertions(+), 5 deletions(-)

diff --git a/src/contexts/settings.tsx b/src/contexts/settings.tsx
index bfd67f2..fa03317 100644
--- a/src/contexts/settings.tsx
+++ b/src/contexts/settings.tsx
@@ -9,11 +9,13 @@ import { Settings } from '../types';
 import AsyncStorage from '@react-native-async-storage/async-storage';
 import { LoadingView } from '../components';
 import WelcomeScreen from '../screens/welcome';
-import { FileSystem } from 'react-native-file-access';
+import { AndroidScoped, FileSystem } from 'react-native-file-access';
 import {
   getPersistedUriPermissions,
   openDocumentTree,
   releasePersistableUriPermission,
+  createFile,
+  deleteFile,
 } from 'react-native-scoped-storage';
 
 interface SettingsContextType {
@@ -28,6 +30,7 @@ const SettingsContext = createContext<SettingsContextType | undefined>(
 function SettingsProvider({ children }: { children: ReactNode }) {
   const [settings, setSettings] = useState<Settings>({
     storageUri: '',
+    noMedia: false,
   });
   const [hasLoaded, setHasLoaded] = useState(false);
 
@@ -44,13 +47,32 @@ function SettingsProvider({ children }: { children: ReactNode }) {
 
     void AsyncStorage.setItem('storageUri', updatedSettings.storageUri);
 
+    void FileSystem.exists(
+      AndroidScoped.appendPath(updatedSettings.storageUri, '.nomedia'),
+    ).then(noMediaExists => {
+      if (updatedSettings.noMedia && !noMediaExists) {
+        void createFile(
+          updatedSettings.storageUri,
+          '.nomedia',
+          'text/x-unknown',
+        );
+      } else if (!updatedSettings.noMedia && noMediaExists) {
+        void deleteFile(
+          AndroidScoped.appendPath(updatedSettings.storageUri, '.nomedia'),
+        );
+      }
+    });
+
     setSettings(updatedSettings);
   };
 
   useEffect(() => {
     const loadSettings = async () => {
       const storageUriValue = await AsyncStorage.getItem('storageUri');
+      const noMediaValue = await AsyncStorage.getItem('noMedia');
+
       let storageUri = storageUriValue ?? '';
+      let noMedia = noMediaValue === 'true';
 
       if (storageUri !== '') {
         const permissions = await getPersistedUriPermissions();
@@ -75,10 +97,15 @@ function SettingsProvider({ children }: { children: ReactNode }) {
         } catch {
           storageUri = '';
         }
+
+        noMedia = await FileSystem.exists(
+          AndroidScoped.appendPath(storageUri, '.nomedia'),
+        );
       }
 
       setSettings({
         storageUri,
+        noMedia,
       });
 
       setHasLoaded(true);
diff --git a/src/screens/settings.tsx b/src/screens/settings.tsx
index 920f3e2..23da3a8 100644
--- a/src/screens/settings.tsx
+++ b/src/screens/settings.tsx
@@ -1,6 +1,6 @@
 import React, { useState } from 'react';
 import { View } from 'react-native';
-import { Button, List, Snackbar } from 'react-native-paper';
+import { Button, List, Snackbar, Switch, Text } from 'react-native-paper';
 import { useRealm } from '@realm/react';
 import { openDocumentTree } from 'react-native-scoped-storage';
 import { PaddedView } from '../components';
@@ -14,7 +14,7 @@ const SettingsScreen = () => {
   const [snackbarVisible, setSnackbarVisible] = useState(false);
   const [snackbarMessage, setSnackbarMessage] = useState('');
 
-  const { setSettings } = useSettings();
+  const { settings, setSettings } = useSettings();
 
   const realm = useRealm();
 
@@ -66,6 +66,20 @@ const SettingsScreen = () => {
               }}>
               Change External Storage Path
             </Button>
+            <View
+              style={[
+                styles.flexRowSpaceBetween,
+                styles.smallPaddingHorizontal,
+                styles.marginBottom,
+              ]}>
+              <Text>Hide media from gallery</Text>
+              <Switch
+                value={settings.noMedia}
+                onValueChange={value => {
+                  setSettings({ noMedia: value });
+                }}
+              />
+            </View>
           </List.Section>
         </View>
       </PaddedView>
diff --git a/src/styles.tsx b/src/styles.tsx
index 55e9159..82e5543 100644
--- a/src/styles.tsx
+++ b/src/styles.tsx
@@ -12,10 +12,10 @@ const moderateScale = (size: number, factor = 0.5) =>
 
 const styles = StyleSheet.create({
   marginBottom: {
-    marginBottom: verticalScale(5),
+    marginBottom: verticalScale(15),
   },
   bigMarginBottom: {
-    marginBottom: verticalScale(25),
+    marginBottom: verticalScale(30),
   },
   extremeMarginBottom: {
     marginBottom: verticalScale(100),
@@ -23,6 +23,9 @@ const styles = StyleSheet.create({
   padding: {
     padding: '5%',
   },
+  smallPaddingHorizontal: {
+    paddingHorizontal: '2.5%',
+  },
   centered: {
     flex: 1,
     justifyContent: 'center',
@@ -31,6 +34,10 @@ const styles = StyleSheet.create({
   centerText: {
     textAlign: 'center',
   },
+  flexRowSpaceBetween: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+  },
 });
 
 export { horizontalScale, verticalScale, moderateScale, styles as default };
diff --git a/src/types/settings.ts b/src/types/settings.ts
index 57ec3e1..f495b03 100644
--- a/src/types/settings.ts
+++ b/src/types/settings.ts
@@ -1,5 +1,6 @@
 interface Settings {
   storageUri: string;
+  noMedia: boolean;
 }
 
 export default Settings;