add recente document

mobile-kotlin/app/src/main/java/com/vaultdrop/mobile/data/local/dao/FileDao.kt

@@ -33,6 +33,15 @@ interface FileDao {
     """)
     fun searchWithFilters(query: String?, category: String?): Flow<List<FileEntity>>
 
+    @Query("""
+        SELECT * FROM files
+        WHERE "exists" = 1
+          AND (:category IS NULL OR category = :category)
+        ORDER BY added_at DESC, name ASC
+        LIMIT :limit
+    """)
+    fun recentFiles(category: String?, limit: Int): Flow<List<FileEntity>>
+
     @Upsert
     suspend fun upsert(file: FileEntity)
 

mobile-kotlin/app/src/main/java/com/vaultdrop/mobile/data/repository/FileRepository.kt

@@ -39,6 +39,10 @@ class FileRepository @Inject constructor(
             category = category,
         )
 
+    /** Les `limit` fichiers les plus récemment ajoutés, filtrés par catégorie. */
+    fun recentFiles(category: String?, limit: Int = RECENT_LIMIT): Flow<List<FileEntity>> =
+        fileDao.recentFiles(category = category, limit = limit)
+
     suspend fun getFile(resourceId: String): FileEntity? =
         fileDao.getByResourceId(resourceId)
 
@@ -122,6 +126,7 @@ class FileRepository @Inject constructor(
 
     companion object {
         private const val PAGE_SIZE = 50
+        private const val RECENT_LIMIT = 5
     }
 }
 

mobile-kotlin/app/src/main/java/com/vaultdrop/mobile/ui/search/SearchScreen.kt

@@ -164,10 +164,10 @@ private fun SearchResults(
     onOpenDocument: (String) -> Unit,
     modifier: Modifier = Modifier,
 ) {
-    val hasQueryOrCategory = uiState.query.isNotBlank() || uiState.selectedCategory != null
+    val hasQuery = uiState.query.isNotBlank()
 
     when {
-        !hasQueryOrCategory -> Box(
+        !hasQuery && uiState.results.isEmpty() -> Box(
             modifier = modifier.fillMaxSize(),
             contentAlignment = Alignment.Center,
         ) {
@@ -180,7 +180,7 @@ private fun SearchResults(
             )
         }
 
-        uiState.results.isEmpty() -> Box(
+        hasQuery && uiState.results.isEmpty() -> Box(
             modifier = modifier.fillMaxSize(),
             contentAlignment = Alignment.Center,
         ) {
@@ -196,6 +196,16 @@ private fun SearchResults(
             contentPadding = PaddingValues(bottom = 16.dp),
             verticalArrangement = Arrangement.spacedBy(10.dp),
         ) {
+            if (!hasQuery) {
+                item(key = "recent-header") {
+                    Text(
+                        text = stringResource(R.string.search_recent),
+                        style = MaterialTheme.typography.titleMedium,
+                        fontWeight = FontWeight.SemiBold,
+                        modifier = Modifier.padding(top = 4.dp),
+                    )
+                }
+            }
             items(uiState.results, key = { it.resourceId }) { file ->
                 SearchResultCard(file = file, onClick = { onOpenDocument(file.resourceId) })
             }

mobile-kotlin/app/src/main/java/com/vaultdrop/mobile/ui/search/SearchViewModel.kt

@@ -31,8 +31,13 @@ class SearchViewModel @Inject constructor(
         _selectedCategory,
     ) { query, category -> CategoryQuery(query, category) }
         .flatMapLatest { (query, category) ->
-            fileRepository.searchFiles(query, category)
+            val trimmed = query.trim()
-                .map { files -> SearchUiState(query, category, files) }
+            val flow = if (trimmed.isEmpty()) {
+                fileRepository.recentFiles(category)
+            } else {
+                fileRepository.searchFiles(trimmed, category)
+            }
+            flow.map { files -> SearchUiState(query, category, files) }
         }
         .stateIn(
             scope = viewModelScope,

mobile-kotlin/app/src/main/res/values-en/strings.xml

@@ -32,6 +32,7 @@
     <string name="search">Search</string>
     <string name="search_hint">Search for a document…</string>
     <string name="search_empty">Type a search or pick a category</string>
+    <string name="search_recent">Recent documents</string>
     <string name="search_no_results">No results</string>
     <string name="category_all">All</string>
     <string name="category_pdf">PDF</string>

mobile-kotlin/app/src/main/res/values/strings.xml

@@ -33,6 +33,7 @@
     <string name="search">Recherche</string>
     <string name="search_hint">Rechercher un document…</string>
     <string name="search_empty">Saisis une recherche ou choisis une catégorie</string>
+    <string name="search_recent">Documents récents</string>
     <string name="search_no_results">Aucun résultat</string>
     <string name="category_all">Tous</string>
     <string name="category_pdf">PDF</string>