Refinement

2025-11-18 16:06:42 +07:00 · 2025-11-18 16:06:42 +07:00 · b1d99a37bb
commit b1d99a37bb
parent a51c24030f
12 changed files with 110 additions and 144 deletions
--- a/app/src/main/java/com/example/notebook/MainActivity.kt
+++ b/app/src/main/java/com/example/notebook/MainActivity.kt
@ -49,7 +49,7 @@ class MainActivity : ComponentActivity() {
            NotebookTheme(darkTheme = isDarkMode) {
                Surface(
                    modifier = Modifier.fillMaxSize(),
-                    color = MaterialTheme.colorScheme.background // [DIUBAH] Menggunakan warna tema
+                    color = MaterialTheme.colorScheme.background
                ) {
                    NotebookBottomSheetApp(
                        viewModel = viewModel,
@ -99,7 +99,7 @@ fun NotebookBottomSheetApp(
    Box(
        modifier = Modifier
            .fillMaxSize()
-            .background(MaterialTheme.colorScheme.background) // [DIUBAH] Menggunakan warna tema
+            .background(MaterialTheme.colorScheme.background)
    ) {
        Column(
            modifier = Modifier
@ -109,7 +109,7 @@ fun NotebookBottomSheetApp(
                    shape = RoundedCornerShape(topStart = 24.dp, topEnd = 24.dp)
                )
                .clip(RoundedCornerShape(topStart = 24.dp, topEnd = 24.dp))
-                .background(MaterialTheme.colorScheme.surface) // [DIUBAH] Menggunakan warna tema
+                .background(MaterialTheme.colorScheme.surface)
        ) {
            NotebookHeader(
                isDarkMode = isDarkMode,
@ -134,12 +134,12 @@ fun NotebookBottomSheetApp(
                        "Notebook Saya",
                        style = MaterialTheme.typography.titleMedium,
                        fontWeight = FontWeight.Bold,
-                        color = MaterialTheme.colorScheme.onSurface // [DIUBAH]
+                        color = MaterialTheme.colorScheme.onSurface
                    )
                    Text(
                        "${notebooks.size} notebook tersimpan",
                        style = MaterialTheme.typography.bodySmall,
-                        color = MaterialTheme.colorScheme.onSurfaceVariant // [DIUBAH]
+                        color = MaterialTheme.colorScheme.onSurfaceVariant
                    )
                }

@ -208,12 +208,12 @@ fun NotebookHeader(
                    "NoteBook",
                    style = MaterialTheme.typography.titleMedium,
                    fontWeight = FontWeight.Bold,
-                    color = MaterialTheme.colorScheme.onSurface // [DIUBAH]
+                    color = MaterialTheme.colorScheme.onSurface
                )
                Text(
                    "Selamat datang kembali!",
                    style = MaterialTheme.typography.bodySmall,
-                    color = MaterialTheme.colorScheme.onSurfaceVariant, // [DIUBAH]
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
                    fontSize = 11.sp
                )
            }
@ -224,7 +224,7 @@ fun NotebookHeader(
                Icon(
                    imageVector = if (isDarkMode) Icons.Default.LightMode else Icons.Default.DarkMode,
                    contentDescription = "Toggle Theme",
-                    tint = MaterialTheme.colorScheme.onSurfaceVariant // [DIUBAH]
+                    tint = MaterialTheme.colorScheme.onSurfaceVariant
                )
            }

@ -269,10 +269,10 @@ fun AccountScreen(onDismiss: () -> Unit) {
                    modifier = Modifier
                        .size(80.dp)
                        .clip(CircleShape)
-                        .background(MaterialTheme.colorScheme.primary), // [DIUBAH]
+                        .background(MaterialTheme.colorScheme.primary),
                    contentAlignment = Alignment.Center
                ) {
-                    Text("A", fontSize = 40.sp, color = MaterialTheme.colorScheme.onPrimary, fontWeight = FontWeight.Bold) // [DIUBAH]
+                    Text("A", fontSize = 40.sp, color = MaterialTheme.colorScheme.onPrimary, fontWeight = FontWeight.Bold)
                }
                Spacer(modifier = Modifier.height(16.dp))
                Text("user@google.com", fontWeight = FontWeight.Bold, fontSize = 20.sp, color = MaterialTheme.colorScheme.onSurface)
@ -280,7 +280,7 @@ fun AccountScreen(onDismiss: () -> Unit) {
                Text("Fazri Abdurrahman", fontSize = 16.sp, color = MaterialTheme.colorScheme.onSurfaceVariant)
                Spacer(modifier = Modifier.height(24.dp))
                
-                // [DIUBAH] Tombol Kelola Akun menjadi OutlinedButton
+                // Tombol Kelola Akun menjadi OutlinedButton
                OutlinedButton(onClick = { /* TODO: Logika Google Sign-In */ }, modifier = Modifier.fillMaxWidth()) {
                    Text("Kelola Akun Google Anda")
                }
@ -434,7 +434,7 @@ fun NotebookCardItem(
            .clickable(onClick = onClick),
        shape = RoundedCornerShape(12.dp),
        colors = CardDefaults.cardColors(
-            containerColor = MaterialTheme.colorScheme.surfaceContainerLowest // [DIUBAH]
+            containerColor = MaterialTheme.colorScheme.surfaceContainerLowest
        ),
        elevation = CardDefaults.cardElevation(defaultElevation = 0.dp)
    ) {
@ -468,13 +468,13 @@ fun NotebookCardItem(
                    fontWeight = FontWeight.Bold,
                    maxLines = 1,
                    overflow = TextOverflow.Ellipsis,
-                    color = MaterialTheme.colorScheme.onSurface // [DIUBAH]
+                    color = MaterialTheme.colorScheme.onSurface
                )
                Spacer(modifier = Modifier.height(4.dp))
                Text(
                    text = dateFormat.format(Date(notebook.updatedAt)),
                    style = MaterialTheme.typography.bodySmall,
-                    color = MaterialTheme.colorScheme.onSurfaceVariant, // [DIUBAH]
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
                    fontSize = 12.sp
                )
                if (notebook.description.isNotBlank()) {
@ -482,7 +482,7 @@ fun NotebookCardItem(
                    Text(
                        text = notebook.description,
                        style = MaterialTheme.typography.bodySmall,
-                        color = MaterialTheme.colorScheme.outline, // [DIUBAH]
+                        color = MaterialTheme.colorScheme.outline,
                        maxLines = 1,
                        overflow = TextOverflow.Ellipsis,
                        fontSize = 12.sp
@ -498,7 +498,7 @@ fun NotebookCardItem(
                    Icon(
                        Icons.Default.MoreVert,
                        contentDescription = "Menu",
-                        tint = MaterialTheme.colorScheme.onSurfaceVariant // [DIUBAH]
+                        tint = MaterialTheme.colorScheme.onSurfaceVariant
                    )
                }

@ -538,18 +538,18 @@ fun EmptyNotebookMessage() {
            Icons.Default.Description,
            contentDescription = null,
            modifier = Modifier.size(64.dp),
-            tint = MaterialTheme.colorScheme.surfaceVariant // [DIUBAH]
+            tint = MaterialTheme.colorScheme.surfaceVariant
        )
        Spacer(modifier = Modifier.height(16.dp))
        Text(
            "Belum ada notebook",
            style = MaterialTheme.typography.titleMedium,
-            color = MaterialTheme.colorScheme.onSurfaceVariant // [DIUBAH]
+            color = MaterialTheme.colorScheme.onSurfaceVariant
        )
        Text(
            "Klik tombol di atas untuk membuat notebook baru",
            style = MaterialTheme.typography.bodySmall,
-            color = MaterialTheme.colorScheme.outline // [DIUBAH]
+            color = MaterialTheme.colorScheme.outline
        )
    }
 }
@ -636,7 +636,7 @@ fun CreateNotebookDialog(
        },
        dismissButton = {
            TextButton(onClick = onDismiss) {
-                Text("Batal", color = MaterialTheme.colorScheme.onSurfaceVariant) // [DIUBAH]
+                Text("Batal", color = MaterialTheme.colorScheme.onSurfaceVariant)
            }
        }
    )
--- a/app/src/main/java/com/example/notebook/api/ApiConstants.kt
+++ b/app/src/main/java/com/example/notebook/api/ApiConstants.kt
@ -1,14 +1,8 @@
 package com.example.notebook.api

-/**
- * Constants untuk Gemini API
- *
- * PENTING: Jangan commit API key ke Git!
- * Untuk production, gunakan BuildConfig atau environment variable
- */
 object ApiConstants {

-    // GANTI INI DENGAN API KEY KAMU
+    // API KEY GEMINI (GOOGLE AI STUDIO)
    const val GEMINI_API_KEY = "AIzaSyCVYFUMcKqCDKN5Z_vNwT2Z4VHgjJ5V7dI"

    // Endpoint Gemini API
@ -17,7 +11,7 @@ object ApiConstants {
    // Model yang digunakan (Flash = gratis & cepat)
    const val MODEL_NAME = "gemini-2.0-flash"

-    // System instruction untuk AI
+    // System instruction untuk AI nya
    const val SYSTEM_INSTRUCTION = """
        Anda adalah AI assistant yang membantu pengguna memahami dokumen mereka dengan lebih baik.
        
--- a/app/src/main/java/com/example/notebook/api/GeminiRepository.kt
+++ b/app/src/main/java/com/example/notebook/api/GeminiRepository.kt
@ -4,7 +4,6 @@ import kotlinx.coroutines.delay

 /**
 * Repository untuk handle Gemini API calls
- * ENHANCED: Better error handling & retry logic untuk 429 errors
 */
 class GeminiRepository {

@ -14,9 +13,7 @@ class GeminiRepository {
    private val maxRetries = 3
    private val initialDelayMs = 2000L // 2 seconds

-    /**
-     * Helper function untuk retry dengan exponential backoff
-     */
+    // Helper function untuk retry dengan exponential backoff
    private suspend fun <T> retryWithBackoff(
        maxAttempts: Int = maxRetries,
        initialDelay: Long = initialDelayMs,
@ -43,9 +40,7 @@ class GeminiRepository {
        return block() // Last attempt
    }

-    /**
-     * Generate summary dengan retry logic
-     */
+    //Generate summary dengan retry logic
    suspend fun generateSummary(text: String): Result<String> {
        return try {
            retryWithBackoff {
@ -95,9 +90,7 @@ class GeminiRepository {
        }
    }

-    /**
-     * Generate summary dari PDF dengan retry logic
-     */
+    // Generate summary dari PDF dengan retry logic
    suspend fun generateSummaryFromPdfFile(
        filePath: String,
        fileName: String
@ -180,9 +173,8 @@ class GeminiRepository {
        }
    }

-    /**
-     * Chat dengan document - dengan retry logic
-     */
+
+     // Chat dengan document - dengan retry logic
    suspend fun chatWithDocument(
        userMessage: String,
        documentContext: String,
@ -286,9 +278,9 @@ class GeminiRepository {
        }
    }

-    /**
-     * Chat dengan PDF file - dengan retry logic
-     */
+
+    // Chat dengan PDF file - dengan retry logic
+
    suspend fun chatWithPdfFile(
        userMessage: String,
        pdfFilePath: String,
--- a/app/src/main/java/com/example/notebook/data/AppDatabase.kt
+++ b/app/src/main/java/com/example/notebook/data/AppDatabase.kt
@ -7,7 +7,7 @@ import androidx.room.RoomDatabase

 /**
 * Database utama aplikasi
- * Version 1 = versi pertama database kamu
+ * Version 1 = versi pertama database
 */
@Database(
    entities = [
--- a/app/src/main/java/com/example/notebook/data/NotebookDao.kt
+++ b/app/src/main/java/com/example/notebook/data/NotebookDao.kt
@ -10,8 +10,7 @@ import kotlinx.coroutines.flow.Flow
@Dao
 interface NotebookDao {

-    // === NOTEBOOK OPERATIONS ===
-
+    //  NOTEBOOK OPERATIONS
    @Insert
    suspend fun insertNotebook(notebook: NotebookEntity): Long

@ -27,7 +26,7 @@ interface NotebookDao {
    @Query("SELECT * FROM notebooks WHERE id = :notebookId")
    fun getNotebookById(notebookId: Int): Flow<NotebookEntity?>

-    // === SOURCE OPERATIONS ===
+    //  SOURCE OPERATIONS

    @Insert
    suspend fun insertSource(source: SourceEntity)
@ -38,7 +37,7 @@ interface NotebookDao {
    @Delete
    suspend fun deleteSource(source: SourceEntity)

-    // === CHAT OPERATIONS ===
+    //  CHAT OPERATIONS

    @Insert
    suspend fun insertChatMessage(message: ChatMessageEntity)
--- a/app/src/main/java/com/example/notebook/data/NotebookEntity.kt
+++ b/app/src/main/java/com/example/notebook/data/NotebookEntity.kt
@ -17,9 +17,7 @@ data class NotebookEntity(
    val sourceCount: Int = 0,    // Jumlah sumber yang diupload
 )

-/**
- * Entity untuk menyimpan sumber/dokumen yang diupload
- */
+// Entity untuk menyimpan sumber/dokumen yang diupload
@Entity(tableName = "sources")
 data class SourceEntity(
    @PrimaryKey(autoGenerate = true)
@ -32,9 +30,8 @@ data class SourceEntity(
    val uploadedAt: Long         // Timestamp upload
 )

-/**
- * Entity untuk menyimpan chat history dengan AI
- */
+
+// Entity untuk menyimpan chat history dengan AI
@Entity(tableName = "chat_messages")
 data class ChatMessageEntity(
    @PrimaryKey(autoGenerate = true)
--- a/app/src/main/java/com/example/notebook/data/NotebookRepository.kt
+++ b/app/src/main/java/com/example/notebook/data/NotebookRepository.kt
@ -8,18 +8,14 @@ import kotlinx.coroutines.flow.Flow
 */
 class NotebookRepository(private val dao: NotebookDao) {

-    // === NOTEBOOK OPERATIONS ===
+    //  NOTEBOOK OPERATIONS

-    /**
-     * Ambil semua notebooks (otomatis update kalau ada perubahan)
-     */
+    // Ambil semua notebooks (otomatis update kalau ada perubahan)
    fun getAllNotebooks(): Flow<List<NotebookEntity>> {
        return dao.getAllNotebooks()
    }

-    /**
-     * Ambil notebook berdasarkan ID
-     */
+    // Ambil notebook berdasarkan ID
    fun getNotebookById(id: Int): Flow<NotebookEntity?> {
        return dao.getNotebookById(id)
    }
@ -42,26 +38,20 @@ class NotebookRepository(private val dao: NotebookDao) {
        return dao.insertNotebook(notebook)
    }

-    /**
-     * Update notebook yang sudah ada
-     */
+    // Update notebook yang sudah ada
    suspend fun updateNotebook(notebook: NotebookEntity) {
        val updated = notebook.copy(updatedAt = System.currentTimeMillis())
        dao.updateNotebook(updated)
    }

-    /**
-     * Hapus notebook
-     */
+    // Hapus notebook
    suspend fun deleteNotebook(notebook: NotebookEntity) {
        dao.deleteNotebook(notebook)
    }

-    // === SOURCE OPERATIONS ===
+    //  SOURCE OPERATIONS

-    /**
-     * Tambah source ke notebook
-     */
+    // Tambah source ke notebook
    suspend fun addSource(
        notebookId: Int,
        fileName: String,
@ -82,25 +72,19 @@ class NotebookRepository(private val dao: NotebookDao) {
        // Note: Ini simplified, di production pakai query COUNT
    }

-    /**
-     * Ambil semua sources dalam notebook
-     */
+    // Ambil semua sources dalam notebook
    fun getSourcesByNotebook(notebookId: Int): Flow<List<SourceEntity>> {
        return dao.getSourcesByNotebook(notebookId)
    }

-    /**
-     * Hapus source
-     */
+    // Hapus source
    suspend fun deleteSource(source: SourceEntity) {
        dao.deleteSource(source)
    }

-    // === CHAT OPERATIONS ===
+    //  CHAT OPERATIONS

-    /**
-     * Kirim pesan chat (user atau AI)
-     */
+    // Kirim pesan chat (user atau AI)
    suspend fun sendMessage(
        notebookId: Int,
        message: String,
@ -115,25 +99,19 @@ class NotebookRepository(private val dao: NotebookDao) {
        dao.insertChatMessage(chatMessage)
    }

-    /**
-     * Ambil history chat
-     */
+    // Ambil history chat
    fun getChatHistory(notebookId: Int): Flow<List<ChatMessageEntity>> {
        return dao.getChatHistory(notebookId)
    }

-    /**
-     * Hapus semua chat dalam notebook
-     */
+    // Hapus semua chat dalam notebook
    suspend fun clearChatHistory(notebookId: Int) {
        dao.clearChatHistory(notebookId)
    }

-    /**
-     * Hapus pesan AI terakhir (untuk replace dengan hasil sebenarnya)
-     */
+    // Hapus pesan AI terakhir (untuk replace dengan hasil sebenarnya)
    suspend fun clearLastAIMessage(notebookId: Int) {
-        // Get last AI message
+        // Get last AI message kaya di GPT bisa di Edit prompt nya
        // Note: Ini simplified, di production sebaiknya pakai query langsung
        // Untuk sekarang kita skip dulu, cukup pakai pesan "thinking" yang nanti di-override
    }
--- a/app/src/main/java/com/example/notebook/ui/components/MarkdownText.kt
+++ b/app/src/main/java/com/example/notebook/ui/components/MarkdownText.kt
@ -19,7 +19,7 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp

 /**
- * Composable untuk render markdown text
+ * Composable untuk render markdown text (Parser)
 * Support: **bold**, *italic*, `code`, # heading, numbered list, bullet list, TABLES
 */
@Composable
@ -100,9 +100,7 @@ fun MarkdownText(
    }
 }

-/**
- * Render tabel dengan styling yang bagus
- */
+// Render tabel dengan styling yang bagus
@Composable
 fun MarkdownTable(
    headers: List<String>,
@ -162,9 +160,7 @@ fun MarkdownTable(
    }
 }

-/**
- * Build styled text dengan support inline markdown
- */
+// Build styled text dengan support inline markdown
@Composable
 private fun buildStyledText(text: String) = buildAnnotatedString {
    var currentIndex = 0
@ -223,10 +219,7 @@ private fun buildStyledText(text: String) = buildAnnotatedString {
    }
 }

-/**
- * Parse markdown string menjadi list of elements
- * UPGRADED: Support untuk tabel
- */
+// Parse markdown string menjadi list of elements
 private fun parseMarkdown(markdown: String): List<MarkdownElement> {
    val lines = markdown.lines()
    val elements = mutableListOf<MarkdownElement>()
@ -315,10 +308,7 @@ private fun parseMarkdown(markdown: String): List<MarkdownElement> {
    return elements
 }

-/**
- * Sealed class untuk markdown elements
- * UPGRADED: Tambah Table
- */
+// Markdown Elements
 private sealed class MarkdownElement {
    data class Paragraph(val text: String) : MarkdownElement()
    data class Heading(val level: Int, val text: String) : MarkdownElement()
--- a/app/src/main/java/com/example/notebook/ui/screen/NotebookDetailScreen.kt
+++ b/app/src/main/java/com/example/notebook/ui/screen/NotebookDetailScreen.kt
@ -61,13 +61,13 @@ fun openFile(context: Context, source: SourceEntity) {

        val mimeType = when (source.fileType) {
            "PDF" -> "application/pdf"
-            "Image" -> "image/*"
+            "Image" -> "image/*" // Belum Support
            "Text" -> "text/plain"
            "Markdown" -> "text/markdown"
-            "Word" -> "application/vnd.openxmlformats-officedocument.wordprocessingml.document"
-            "PowerPoint" -> "application/vnd.openxmlformats-officedocument.presentationml.presentation"
-            "Audio" -> "audio/*"
-            "Video" -> "video/*"
+            "Word" -> "application/vnd.openxmlformats-officedocument.wordprocessingml.document" // Belum Support
+            "PowerPoint" -> "application/vnd.openxmlformats-officedocument.presentationml.presentation" // Belum Support
+            "Audio" -> "audio/*" // Belum Support
+            "Video" -> "video/*" // Belum Support
            else -> "*/*"
        }

@ -589,6 +589,7 @@ fun TypingIndicator() {
@Composable
 fun ChatBubble(message: ChatMessageEntity) {
    val dateFormat = SimpleDateFormat("HH:mm", Locale.getDefault())
+    val context = LocalContext.current

    Row(
        modifier = Modifier.fillMaxWidth(),
@ -625,7 +626,22 @@ fun ChatBubble(message: ChatMessageEntity) {
                    bottomStart = if (message.isUserMessage) 20.dp else 4.dp,
                    bottomEnd = if (message.isUserMessage) 4.dp else 20.dp
                ),
-                shadowElevation = if (!message.isUserMessage) 1.dp else 0.dp
+                shadowElevation = if (!message.isUserMessage) 1.dp else 0.dp,
+                modifier = if (!message.isUserMessage) {
+                    Modifier.clickable {
+                        // Copy text ke clipboard
+                        val clipboard = context.getSystemService(Context.CLIPBOARD_SERVICE) as android.content.ClipboardManager
+                        val clip = android.content.ClipData.newPlainText("AI Response", message.message)
+                        clipboard.setPrimaryClip(clip)
+
+                        // Show toast feedback
+                        android.widget.Toast.makeText(
+                            context,
+                            "✅ Teks disalin!",
+                            android.widget.Toast.LENGTH_SHORT
+                        ).show()
+                    }
+                } else Modifier
            ) {
                if (message.isUserMessage) {
                    Text(
@ -637,17 +653,33 @@ fun ChatBubble(message: ChatMessageEntity) {
                } else {
                    MarkdownText(
                        markdown = message.message,
-                        modifier = Modifier.padding(horizontal = 16.dp, vertical = 12.dp)
+                        modifier = Modifier.padding(horizontal = 16.dp, vertical = 12.dp),
+                        color = TextPrimary
                    )
                }
            }

+            Row(
+                verticalAlignment = Alignment.CenterVertically,
+                modifier = Modifier.padding(horizontal = 8.dp, vertical = 4.dp)
+            ) {
                Text(
                    text = dateFormat.format(Date(message.timestamp)),
                    fontSize = 11.sp,
-                color = TextSecondary,
-                modifier = Modifier.padding(horizontal = 8.dp, vertical = 4.dp)
+                    color = TextSecondary
                )
+
+                // Copy indicator untuk AI message
+                if (!message.isUserMessage) {
+                    Spacer(modifier = Modifier.width(8.dp))
+                    Icon(
+                        Icons.Default.ContentCopy,
+                        contentDescription = "Tap to copy",
+                        tint = TextSecondary.copy(alpha = 0.6f),
+                        modifier = Modifier.size(12.dp)
+                    )
+                }
+            }
        }

        if (message.isUserMessage) {
--- a/app/src/main/java/com/example/notebook/utils/FileHelper.kt
+++ b/app/src/main/java/com/example/notebook/utils/FileHelper.kt
@ -42,9 +42,7 @@ object FileHelper {
        }
    }

-    /**
-     * Ambil nama file dari URI
-     */
+    // Ambil nama file
    fun getFileName(context: Context, uri: Uri): String? {
        var fileName: String? = null

@ -60,9 +58,7 @@ object FileHelper {
        return fileName
    }

-    /**
-     * Deteksi tipe file dari extension
-     */
+    // Deteksi tipe file dari extension
    fun getFileType(fileName: String): String {
        val type = when (fileName.substringAfterLast('.').lowercase()) {
            "pdf" -> "PDF"
@ -79,9 +75,7 @@ object FileHelper {
        return type
    }

-    /**
-     * Baca text dari file (support Text, Markdown, dan PDF)
-     */
+    // Baca text dari file (support Text, Markdown, dan PDF)
    fun readTextFromFile(filePath: String): String? {
        return try {
            val file = File(filePath)
@ -107,9 +101,7 @@ object FileHelper {
        }
    }

-    /**
-     * Format ukuran file
-     */
+    // Format ukuran file
    fun formatFileSize(size: Long): String {
        if (size < 1024) return "$size B"
        val kb = size / 1024.0
@ -120,9 +112,7 @@ object FileHelper {
        return "%.2f GB".format(gb)
    }

-    /**
-     * Hapus file
-     */
+    // Hapus file
    fun deleteFile(filePath: String): Boolean {
        return try {
            File(filePath).delete()
--- a/app/src/main/java/com/example/notebook/utils/PdfHelper.kt
+++ b/app/src/main/java/com/example/notebook/utils/PdfHelper.kt
@ -12,9 +12,7 @@ import java.io.File
 */
 object PdfHelper {

-    /**
-     * Initialize PDFBox (panggil sekali saat app start)
-     */
+    // Initialize PDFBox (panggil sekali saat app start)
    fun initialize(context: Context) {
        PDFBoxResourceLoader.init(context)
    }
@ -42,9 +40,7 @@ object PdfHelper {
        }
    }

-    /**
-     * Extract text dari PDF URI (sebelum disimpan)
-     */
+    // Extract text dari PDF (sebelum disimpan)
    fun extractTextFromPdfUri(context: Context, uri: Uri): String? {
        return try {
            val inputStream = context.contentResolver.openInputStream(uri)
@ -64,9 +60,7 @@ object PdfHelper {
        }
    }

-    /**
-     * Get info PDF (jumlah halaman, dll)
-     */
+    // Get info PDF (jumlah halaman, dll)
    fun getPdfInfo(filePath: String): PdfInfo? {
        return try {
            val file = File(filePath)
--- a/app/src/main/java/com/example/notebook/viewmodel/NotebookViewModel.kt
+++ b/app/src/main/java/com/example/notebook/viewmodel/NotebookViewModel.kt
@ -289,7 +289,7 @@ class NotebookViewModel(application: Application) : AndroidViewModel(application
        }
    }

-    // === GEMINI FUNCTIONS ===
+    //  GEMINI FUNCTIONS

    private fun buildDocumentContext(): String {
        val context = StringBuilder()