Feature/webdav sync

.gitignore

@@ -1,15 +1,12 @@
 *.iml
 .gradle
 /local.properties
-/.idea/caches
-/.idea/libraries
-/.idea/modules.xml
-/.idea/workspace.xml
-/.idea/navEditor.xml
-/.idea/assetWizardSettings.xml
+/.idea/
 .DS_Store
 /build
 /captures
 .externalNativeBuild
 .cxx
 local.properties
+.claude-context.md
+comments.md

app/build.gradle

@@ -207,6 +207,11 @@ dependencies {
     ksp "com.google.dagger:hilt-compiler:2.59.2"
     implementation "androidx.hilt:hilt-navigation-compose:1.3.0"
 
+    // WebDAV sync dependencies
+    implementation "androidx.work:work-runtime-ktx:2.9.0"  // Background sync
+    implementation "com.squareup.okhttp3:okhttp:4.12.0"    // HTTP/WebDAV client
+    implementation "androidx.security:security-crypto:1.1.0-alpha06"  // Encrypted credential storage
+
     // Added so that R8 optimization don't fail
     // SLF4J backend: provides a simple logger so (probably) ShipBook can output logs.
     // Needed because SLF4J is just an API; without a binding, logging calls are ignored.

app/src/main/AndroidManifest.xml

@@ -5,6 +5,8 @@
     <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
 
     <application
         android:name=".NotableApp"

app/src/main/java/com/ethran/notable/MainActivity.kt

@@ -34,6 +34,7 @@ import com.ethran.notable.data.db.KvProxy
 import com.ethran.notable.data.db.StrokeMigrationHelper
 import com.ethran.notable.editor.canvas.CanvasEventBus
 import com.ethran.notable.io.ExportEngine
+import com.ethran.notable.sync.SyncEngine
 import com.ethran.notable.ui.LocalSnackContext
 import com.ethran.notable.ui.SnackState
 import com.ethran.notable.ui.components.NotableApp
@@ -110,6 +111,8 @@ class MainActivity : ComponentActivity() {
                         editorSettingCacheManager.get().init()
                         strokeMigrationHelper.get().reencodeStrokePointsToSB1()
                     }
+                    // Trigger initial sync on app startup (fails silently if offline)
+                    triggerInitialSync()
                 }
                 isInitialized = true
             }
@@ -132,6 +135,18 @@ class MainActivity : ComponentActivity() {
         }
     }
 
+
+    private suspend fun triggerInitialSync() {
+        try {
+            if (GlobalAppSettings.current.syncSettings.syncEnabled) {
+                Log.i(TAG, "Triggering initial sync on app startup")
+                SyncEngine(applicationContext).syncAllNotebooks()
+            }
+        } catch (e: Exception) {
+            Log.i(TAG, "Initial sync failed (offline?): ${e.message}")
+        }
+    }
+
     override fun onRestart() {
         super.onRestart()
         // redraw after device sleep

app/src/main/java/com/ethran/notable/data/datastore/AppSettings.kt

@@ -21,6 +21,23 @@ object GlobalAppSettings {
 }
 
 
+@Serializable
+data class SyncSettings(
+    val syncEnabled: Boolean = false,
+    val serverUrl: String = "",
+    val username: String = "",
+    // Note: Password stored separately in EncryptedSharedPreferences for security
+    val autoSync: Boolean = true,
+    // Default must be >= 15 minutes due to WorkManager/JobScheduler minimum interval
+    val syncInterval: Int = 15,  // minutes
+    val lastSyncTime: String? = null,
+    val syncOnNoteClose: Boolean = true,
+    val wifiOnly: Boolean = false,
+    // Track which notebooks we've successfully synced to detect deletions
+    val syncedNotebookIds: Set<String> = emptySet()
+)
+
+
 @Serializable
 data class AppSettings(
     // General
@@ -47,7 +64,10 @@ data class AppSettings(
     val twoFingerSwipeRightAction: GestureAction? = defaultTwoFingerSwipeRightAction,
     val holdAction: GestureAction? = defaultHoldAction,
     val enableQuickNav: Boolean = true,
+    val renameOnCreate: Boolean = true,
 
+    // Sync
+    val syncSettings: SyncSettings = SyncSettings(),
 
     // Debug
     val showWelcome: Boolean = true,

app/src/main/java/com/ethran/notable/data/db/Folder.kt

@@ -49,6 +49,8 @@ interface FolderDao {
     @Query("SELECT * FROM folder WHERE id IS :folderId")
     fun getLive(folderId: String): LiveData<Folder?>
 
+    @Query("SELECT * FROM folder")
+    fun getAll(): List<Folder>
 
     @Insert
     suspend fun create(folder: Folder): Long
@@ -74,6 +76,10 @@ class FolderRepository @Inject constructor(
         db.update(folder)
     }
 
+    fun getAll(): List<Folder> {
+        return db.getAll()
+    }
+
     fun getAllInFolder(folderId: String? = null): LiveData<List<Folder>> {
         return db.getChildrenFolders(folderId)
     }