page + upload queue + folders

backend/cmd/server/main.go

@@ -51,7 +51,7 @@ func main() {
 	conversionSvc.Start(cfg.ConversionWorkers)
 	defer conversionSvc.Stop()
 
-	h := handler.New(resourceSvc, ocrSvc, urlSvc, auth.NewAuthHandler(authSvc), conversionSvc, rebacSvc, placementSvc, syncSvc, eventBroker)
+	h := handler.New(database, resourceSvc, ocrSvc, urlSvc, auth.NewAuthHandler(authSvc), conversionSvc, rebacSvc, placementSvc, syncSvc, eventBroker)
 
 	r := gin.Default()
 	handler.SetupRoutes(r, h, authSvc)

backend/internal/db/queries/resources.sql

@@ -56,12 +56,22 @@ SELECT * FROM resources
 WHERE checksum = $1 AND is_folder = false AND owner_id = $2
 LIMIT 1;
 
+-- name: CountResourcesByOwner :one
+SELECT COUNT(*) FROM resources
+WHERE owner_id = $1 AND parent_resource_id IS NULL;
+
 -- name: ListResourcesByOwner :many
 SELECT * FROM resources
 WHERE owner_id = $1 AND parent_resource_id IS NULL
-ORDER BY created_at DESC;
+ORDER BY created_at DESC
+LIMIT $2 OFFSET $3;
+
+-- name: CountResourcesByParentAndOwner :one
+SELECT COUNT(*) FROM resources
+WHERE parent_resource_id = $1 AND owner_id = $2;
 
 -- name: ListResourcesByParentAndOwner :many
 SELECT * FROM resources
 WHERE parent_resource_id = $1 AND owner_id = $2
-ORDER BY is_folder DESC, created_at DESC;
+ORDER BY is_folder DESC, created_at DESC
+LIMIT $3 OFFSET $4;

backend/internal/db/resources.sql.go

@@ -13,6 +13,35 @@ import (
 	"github.com/lib/pq"
 )
 
+const countResourcesByOwner = `-- name: CountResourcesByOwner :one
+SELECT COUNT(*) FROM resources
+WHERE owner_id = $1 AND parent_resource_id IS NULL
+`
+
+func (q *Queries) CountResourcesByOwner(ctx context.Context, ownerID uuid.UUID) (int64, error) {
+	row := q.db.QueryRowContext(ctx, countResourcesByOwner, ownerID)
+	var count int64
+	err := row.Scan(&count)
+	return count, err
+}
+
+const countResourcesByParentAndOwner = `-- name: CountResourcesByParentAndOwner :one
+SELECT COUNT(*) FROM resources
+WHERE parent_resource_id = $1 AND owner_id = $2
+`
+
+type CountResourcesByParentAndOwnerParams struct {
+	ParentResourceID uuid.NullUUID `json:"parent_resource_id"`
+	OwnerID          uuid.UUID     `json:"owner_id"`
+}
+
+func (q *Queries) CountResourcesByParentAndOwner(ctx context.Context, arg CountResourcesByParentAndOwnerParams) (int64, error) {
+	row := q.db.QueryRowContext(ctx, countResourcesByParentAndOwner, arg.ParentResourceID, arg.OwnerID)
+	var count int64
+	err := row.Scan(&count)
+	return count, err
+}
+
 const createFolder = `-- name: CreateFolder :one
 INSERT INTO resources (name, is_folder, owner_id, created_at, updated_at)
 VALUES ($1, true, $2, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
@@ -323,10 +352,17 @@ const listResourcesByOwner = `-- name: ListResourcesByOwner :many
 SELECT id, name, mime_type, size, checksum, ocr_text, is_folder, parent_resource_id, owner_id, created_at, updated_at FROM resources
 WHERE owner_id = $1 AND parent_resource_id IS NULL
 ORDER BY created_at DESC
+LIMIT $2 OFFSET $3
 `
 
-func (q *Queries) ListResourcesByOwner(ctx context.Context, ownerID uuid.UUID) ([]Resource, error) {
+type ListResourcesByOwnerParams struct {
-	rows, err := q.db.QueryContext(ctx, listResourcesByOwner, ownerID)
+	OwnerID uuid.UUID `json:"owner_id"`
+	Limit   int32     `json:"limit"`
+	Offset  int32     `json:"offset"`
+}
+
+func (q *Queries) ListResourcesByOwner(ctx context.Context, arg ListResourcesByOwnerParams) ([]Resource, error) {
+	rows, err := q.db.QueryContext(ctx, listResourcesByOwner, arg.OwnerID, arg.Limit, arg.Offset)
 	if err != nil {
 		return nil, err
 	}
@@ -364,15 +400,23 @@ const listResourcesByParentAndOwner = `-- name: ListResourcesByParentAndOwner :m
 SELECT id, name, mime_type, size, checksum, ocr_text, is_folder, parent_resource_id, owner_id, created_at, updated_at FROM resources
 WHERE parent_resource_id = $1 AND owner_id = $2
 ORDER BY is_folder DESC, created_at DESC
+LIMIT $3 OFFSET $4
 `
 
 type ListResourcesByParentAndOwnerParams struct {
 	ParentResourceID uuid.NullUUID `json:"parent_resource_id"`
 	OwnerID          uuid.UUID     `json:"owner_id"`
+	Limit            int32         `json:"limit"`
+	Offset           int32         `json:"offset"`
 }
 
 func (q *Queries) ListResourcesByParentAndOwner(ctx context.Context, arg ListResourcesByParentAndOwnerParams) ([]Resource, error) {
-	rows, err := q.db.QueryContext(ctx, listResourcesByParentAndOwner, arg.ParentResourceID, arg.OwnerID)
+	rows, err := q.db.QueryContext(ctx, listResourcesByParentAndOwner,
+		arg.ParentResourceID,
+		arg.OwnerID,
+		arg.Limit,
+		arg.Offset,
+	)
 	if err != nil {
 		return nil, err
 	}

backend/internal/handler/handler.go

@@ -1,6 +1,8 @@
 package handler
 
 import (
+	"database/sql"
+
 	"github.com/vaultdrop/backend/internal/auth"
 	"github.com/vaultdrop/backend/internal/service"
 )
@@ -17,6 +19,7 @@ type Handler struct {
 }
 
 func New(
+	database *sql.DB,
 	resourceSvc *service.ResourceService,
 	ocrSvc *service.OCRService,
 	urlSvc *service.URLService,
@@ -36,7 +39,7 @@ func New(
 			broker:     eventBroker,
 		},
 		OCR:    &OCRHandler{ocr: ocrSvc, resources: resourceSvc},
-		Health: &HealthHandler{ocr: ocrSvc},
+		Health: &HealthHandler{db: database, ocr: ocrSvc},
 		Auth:   authHandler,
 		Share:  &ShareHandler{rebac: rebacSvc},
 		Device: &DeviceHandler{placement: placementSvc},

backend/internal/handler/health.go

@@ -1,14 +1,44 @@
 package handler
 
 import (
+	"database/sql"
+
 	"github.com/gin-gonic/gin"
 	"github.com/vaultdrop/backend/pkg/api"
 )
 
 type HealthHandler struct {
+	db  *sql.DB
 	ocr interface{ HealthCheck() error }
 }
 
 func (h *HealthHandler) Check(c *gin.Context) {
-	api.Success(c, gin.H{"status": "healthy"})
+	checks := gin.H{}
+
+	dbErr := h.db.Ping()
+	if dbErr != nil {
+		checks["database"] = "error: " + dbErr.Error()
+	} else {
+		checks["database"] = "ok"
+	}
+
+	ocrErr := h.ocr.HealthCheck()
+	if ocrErr != nil {
+		checks["ocr"] = "error: " + ocrErr.Error()
+	} else {
+		checks["ocr"] = "ok"
+	}
+
+	status := "healthy"
+	for _, v := range checks {
+		if v != "ok" {
+			status = "degraded"
+			break
+		}
+	}
+
+	api.Success(c, gin.H{
+		"status": status,
+		"checks": checks,
+	})
 }

backend/internal/handler/resource.go

@@ -65,11 +65,31 @@ func (h *ResourceHandler) Upload(c *gin.Context) {
 	api.Success(c, results)
 }
 
+func parsePagination(c *gin.Context) (page, limit int) {
+	page = 1
+	limit = 20
+	if p := c.Query("page"); p != "" {
+		if n, err := strconv.Atoi(p); err == nil && n > 0 {
+			page = n
+		}
+	}
+	if l := c.Query("limit"); l != "" {
+		if n, err := strconv.Atoi(l); err == nil && n > 0 {
+			if n > 100 {
+				n = 100
+			}
+			limit = n
+		}
+	}
+	return
+}
+
 func (h *ResourceHandler) List(c *gin.Context) {
 	userID := c.GetString(auth.UserIDKey)
 	thumbnailQuality := c.Query("thumbnail")
+	page, limit := parsePagination(c)
 
-	resources, err := h.resources.List(userID)
+	resources, total, err := h.resources.List(userID, page, limit)
 	if err != nil {
 		log.Printf("ERROR List resources: %v", err)
 		api.Error(c, http.StatusInternalServerError, "DB_ERROR", "Failed to list resources")
@@ -132,7 +152,7 @@ func (h *ResourceHandler) List(c *gin.Context) {
 		}
 	}
 
-	api.Paginated(c, resp, 1, len(resp))
+	api.Paginated(c, resp, page, total)
 }
 
 func (h *ResourceHandler) Download(c *gin.Context) {
@@ -335,8 +355,9 @@ func (h *ResourceHandler) ListByParent(c *gin.Context) {
 	userID := c.GetString(auth.UserIDKey)
 	parentID := c.Param("id")
 	thumbnailQuality := c.Query("thumbnail")
+	page, limit := parsePagination(c)
 
-	resources, err := h.resources.ListResourcesByParentID(parentID, userID)
+	resources, total, err := h.resources.ListResourcesByParentID(parentID, userID, page, limit)
 	if err != nil {
 		api.Error(c, http.StatusInternalServerError, "DB_ERROR", "Failed to list resources in folder")
 		return
@@ -396,7 +417,7 @@ func (h *ResourceHandler) ListByParent(c *gin.Context) {
 		}
 	}
 
-	api.Success(c, resp)
+	api.Paginated(c, resp, page, total)
 }
 
 func (h *ResourceHandler) GetVariants(c *gin.Context) {

backend/internal/service/resource.go

@@ -147,22 +147,33 @@ func (s *ResourceService) ensureServerPlacementQtx(q *db.Queries, resourceID, ow
 	return placement, nil
 }
 
-func (s *ResourceService) List(ownerID string) ([]model.Resource, error) {
+func (s *ResourceService) List(ownerID string, page, limit int) ([]model.Resource, int, error) {
 	ownerUUID, _ := uuid.Parse(ownerID)
-	dbResources, err := s.queries.ListResourcesByOwner(context.Background(), ownerUUID)
+
+	total, err := s.queries.CountResourcesByOwner(context.Background(), ownerUUID)
 	if err != nil {
-		return nil, fmt.Errorf("list resources: %w", err)
+		return nil, 0, fmt.Errorf("count resources: %w", err)
+	}
+
+	offset := (page - 1) * limit
+	dbResources, err := s.queries.ListResourcesByOwner(context.Background(), db.ListResourcesByOwnerParams{
+		OwnerID: ownerUUID,
+		Limit:   int32(limit),
+		Offset:  int32(offset),
+	})
+	if err != nil {
+		return nil, 0, fmt.Errorf("list resources: %w", err)
 	}
 
 	resources := make([]model.Resource, len(dbResources))
 	for i, r := range dbResources {
 		tags, err := s.queries.GetTagsByResourceID(context.Background(), r.ID)
 		if err != nil {
-			return nil, fmt.Errorf("get tags for resource %s: %w", r.ID, err)
+			return nil, 0, fmt.Errorf("get tags for resource %s: %w", r.ID, err)
 		}
 		resources[i] = dbResourceToModel(r, tags)
 	}
-	return resources, nil
+	return resources, int(total), nil
 }
 
 func (s *ResourceService) Get(id string) (*model.Resource, error) {
@@ -309,25 +320,37 @@ func (s *ResourceService) ListFolders(ownerID string) ([]model.Resource, error)
 	return folders, nil
 }
 
-func (s *ResourceService) ListResourcesByParentID(parentID, ownerID string) ([]model.Resource, error) {
+func (s *ResourceService) ListResourcesByParentID(parentID, ownerID string, page, limit int) ([]model.Resource, int, error) {
 	parentUUID, _ := uuid.Parse(parentID)
 	ownerUUID, _ := uuid.Parse(ownerID)
-	dbResources, err := s.queries.ListResourcesByParentAndOwner(context.Background(), db.ListResourcesByParentAndOwnerParams{
+
+	total, err := s.queries.CountResourcesByParentAndOwner(context.Background(), db.CountResourcesByParentAndOwnerParams{
 		ParentResourceID: uuid.NullUUID{UUID: parentUUID, Valid: true},
 		OwnerID:          ownerUUID,
 	})
 	if err != nil {
-		return nil, fmt.Errorf("list resources by parent: %w", err)
+		return nil, 0, fmt.Errorf("count resources by parent: %w", err)
+	}
+
+	offset := (page - 1) * limit
+	dbResources, err := s.queries.ListResourcesByParentAndOwner(context.Background(), db.ListResourcesByParentAndOwnerParams{
+		ParentResourceID: uuid.NullUUID{UUID: parentUUID, Valid: true},
+		OwnerID:          ownerUUID,
+		Limit:            int32(limit),
+		Offset:           int32(offset),
+	})
+	if err != nil {
+		return nil, 0, fmt.Errorf("list resources by parent: %w", err)
 	}
 	resources := make([]model.Resource, len(dbResources))
 	for i, r := range dbResources {
 		tags, err := s.queries.GetTagsByResourceID(context.Background(), r.ID)
 		if err != nil {
-			return nil, fmt.Errorf("get tags for resource %s: %w", r.ID, err)
+			return nil, 0, fmt.Errorf("get tags for resource %s: %w", r.ID, err)
 		}
 		resources[i] = dbResourceToModel(r, tags)
 	}
-	return resources, nil
+	return resources, int(total), nil
 }
 
 func (s *ResourceService) GetVariantsByResourceID(resourceID string) ([]model.Variant, error) {

mobile/app/folder.tsx

@@ -22,6 +22,7 @@ import { deleteAsync } from 'expo-file-system/legacy';
 const NUM_COLUMNS = 3;
 const SCREEN_WIDTH = Dimensions.get('window').width;
 const ITEM_SIZE = (SCREEN_WIDTH - 16 * 2 - (NUM_COLUMNS - 1) * 6) / NUM_COLUMNS;
+const PAGE_SIZE = 100;
 
 type RootStackParamList = {
   Folder: { folderId: string; folderName: string };
@@ -75,7 +76,8 @@ export function FolderScreen() {
   const route = useRoute<FolderRouteProp>();
   const navigation = useNavigation<NavigationProp>();
   const { folderId, folderName } = route.params;
-  const { data, isLoading } = useFiles(folderId);
+  const [page, setPage] = useState(1);
+  const { data, isLoading, isFetching } = useFiles(folderId, page, PAGE_SIZE);
   const deleteFile = useDeleteFile();
   const freeLocalSpace = useFreeLocalSpace();
   const queryClient = useQueryClient();
@@ -87,6 +89,17 @@ export function FolderScreen() {
   const { data: foldersData } = useFolders();
   const insets = useSafeAreaInsets();
 
+  const loadMore = useCallback(() => {
+    if (isFetching) return;
+    const total = data?.meta?.total ?? 0;
+    const loaded = data?.data?.length ?? 0;
+    if (loaded < total) {
+      setPage((p) => p + 1);
+    }
+  }, [isFetching, data?.meta?.total, data?.data?.length]);
+
+  const hasMore = (data?.data?.length ?? 0) > 0 && (data?.data?.length ?? 0) < (data?.meta?.total ?? 0);
+
   const [tagModalVisible, setTagModalVisible] = useState(false);
   const [tagModalMode, setTagModalMode] = useState<'tag' | 'folder'>('tag');
   const [tagInput, setTagInput] = useState('');
@@ -246,12 +259,25 @@ export function FolderScreen() {
         data={files}
         keyExtractor={(item) => item.id}
         contentContainerStyle={styles.list}
+        onEndReached={loadMore}
+        onEndReachedThreshold={0.5}
         ListEmptyComponent={
           <View style={styles.empty}>
             <MaterialIcons name="folder-open" size={48} color="#ccc" />
             <Text style={styles.emptyText}>Dossier vide</Text>
           </View>
         }
+        ListFooterComponent={
+          isFetching ? (
+            <View style={styles.footer}>
+              <Text style={styles.footerText}>Chargement...</Text>
+            </View>
+          ) : hasMore ? (
+            <TouchableOpacity style={styles.footer} onPress={loadMore}>
+              <Text style={styles.footerLink}>Charger plus</Text>
+            </TouchableOpacity>
+          ) : null
+        }
         renderItem={({ item: file }) => (
           <FolderGridItem
             file={file}
@@ -496,4 +522,17 @@ const styles = StyleSheet.create({
     fontSize: 16,
     color: '#333',
   },
+  footer: {
+    paddingVertical: 20,
+    alignItems: 'center',
+  },
+  footerText: {
+    fontSize: 14,
+    color: '#999',
+  },
+  footerLink: {
+    fontSize: 14,
+    color: '#1976D2',
+    fontWeight: '600',
+  },
 });

mobile/hooks/useFiles.ts

@@ -39,15 +39,15 @@ function recordsToUnifiedItems(records: ReturnType<typeof fileStore.getRootFiles
 
 export function useFiles(parentId?: string | null, page: number = 1, limit: number = 100) {
   const queryKey = parentId
-    ? ['resources', parentId]
+    ? ['resources', parentId, page, limit]
     : ['resources', 'root', page, limit];
 
   return useQuery({
     queryKey,
     queryFn: async () => {
       if (parentId) {
-        const backendRes = await apiClient.get<{ data: FileItem[] }>(
+        const backendRes = await apiClient.get<PaginatedResponse<FileItem>>(
-          `${ENDPOINTS.RESOURCES}/folders/${parentId}/resources?thumbnail=thumbnail_small`,
+          `${ENDPOINTS.RESOURCES}/folders/${parentId}/resources?page=${page}&limit=${limit}&thumbnail=thumbnail_small`,
         );
         fileStore.mergeFromBackend(
           backendRes.data.map((f) => ({
@@ -69,7 +69,7 @@ export function useFiles(parentId?: string | null, page: number = 1, limit: numb
         const children = fileStore.getChildrenByParent(parentId);
         return {
           data: children.map((r) => recordToUnifiedItem(r)!).filter(Boolean),
-          meta: { page: 0, total: children.length },
+          meta: { page, total: backendRes.meta?.total ?? children.length },
         };
       }
 

mobile/hooks/usePullSync.ts

@@ -19,7 +19,10 @@ export function usePullSync() {
     try {
       setIsSyncing(true);
 
-      const res = await apiClient.get<{ data: Array<{
+      let page = 1;
+      const limit = 100;
+      let total = 0;
+      const backendResources: Array<{
         id: string;
         name: string;
         mimeType: string;
@@ -28,9 +31,17 @@ export function usePullSync() {
         url?: string;
         thumbnailUrl?: string;
         ownerId?: string;
-      }> }>(`${ENDPOINTS.RESOURCES}?page=1&limit=100&thumbnail=thumbnail_small`);
+      }> = [];
+
+      do {
+        const res = await apiClient.get<{ data: Array<typeof backendResources[number]>; meta?: { total: number } }>(
+          `${ENDPOINTS.RESOURCES}?page=${page}&limit=${limit}&thumbnail=thumbnail_small`,
+        );
+        backendResources.push(...(res.data ?? []));
+        total = res.meta?.total ?? res.data.length;
+        page++;
+      } while (backendResources.length < total);
 
-      const backendResources = res.data ?? [];
       const registry = fileStore.getAllSynced();
       const existingBackendIds = new Set(
         registry.filter((e) => e.backendId).map((e) => e.backendId)

mobile/services/uploadQueue.ts

@@ -7,6 +7,9 @@ import { ApiError, UploadError } from '../types';
 export type UploadFile = { uri: string; type: string; name: string };
 export type UploadResult = { name: string; id: string };
 
+export const UPLOAD_MAX_RETRIES = 3;
+const BASE_RETRY_DELAY_MS = 1000;
+
 export type UploadTaskStatus = 'pending' | 'uploading' | 'done' | 'error';
 
 export type UploadTask = {
@@ -16,6 +19,7 @@ export type UploadTask = {
   progress: number;
   result?: UploadResult;
   error?: string;
+  retryCount: number;
   createdAt: number;
   updatedAt: number;
 };
@@ -33,6 +37,7 @@ function serialize(task: UploadTask): unknown {
     progress: task.progress,
     result: task.result ?? null,
     error: task.error ?? null,
+    retryCount: task.retryCount,
     createdAt: task.createdAt,
     updatedAt: task.updatedAt,
   };
@@ -50,6 +55,7 @@ function deserialize(data: unknown): UploadTask | null {
     progress: d.progress as number,
     result: d.result ? (d.result as UploadResult) : undefined,
     error: d.error ? (d.error as string) : undefined,
+    retryCount: (d.retryCount as number) ?? 0,
     createdAt: d.createdAt as number,
     updatedAt: d.updatedAt as number,
   };
@@ -147,6 +153,7 @@ class UploadQueue {
         file,
         status: 'pending',
         progress: 0,
+        retryCount: 0,
         createdAt: now,
         updatedAt: now,
       });
@@ -171,6 +178,7 @@ class UploadQueue {
     if (!task || task.status !== 'error') return;
     task.status = 'pending';
     task.progress = 0;
+    task.retryCount = 0;
     task.error = undefined;
     task.result = undefined;
     task.updatedAt = Date.now();
@@ -184,6 +192,7 @@ class UploadQueue {
       if (task.status === 'error') {
         task.status = 'pending';
         task.progress = 0;
+        task.retryCount = 0;
         task.error = undefined;
         task.result = undefined;
         task.updatedAt = Date.now();
@@ -212,6 +221,7 @@ class UploadQueue {
   }
 
   private async runTask(task: UploadTask) {
+    let willRetry = false;
     try {
       const fsFile = new File(task.file.uri);
       const headers: Record<string, string> = {};
@@ -251,20 +261,36 @@ class UploadQueue {
       this.notify();
       this.scheduleCleanup();
     } catch (err) {
-      task.status = 'error';
+      task.retryCount++;
-      task.error =
+      if (task.retryCount <= UPLOAD_MAX_RETRIES) {
-        err instanceof UploadError
+        willRetry = true;
-          ? `${err.fileName} : ${err.message}`
+        task.status = 'pending';
-          : err instanceof Error
+        task.progress = 0;
-            ? err.message
+        task.error = undefined;
-            : 'Erreur inconnue';
+        task.updatedAt = Date.now();
-      task.updatedAt = Date.now();
+        this.persist();
-      this.persist();
+        this.notify();
-      this.notify();
+        const delay = BASE_RETRY_DELAY_MS * Math.pow(2, task.retryCount - 1);
+        setTimeout(() => this.processNext(), delay);
+      } else {
+        task.status = 'error';
+        task.error =
+          err instanceof UploadError
+            ? `${err.fileName} : ${err.message}`
+            : err instanceof Error
+              ? err.message
+              : 'Erreur inconnue';
+        task.error += ` (${task.retryCount} tentative(s))`;
+        task.updatedAt = Date.now();
+        this.persist();
+        this.notify();
+      }
     } finally {
       this.active--;
       this.notify();
-      this.processNext();
+      if (!willRetry) {
+        this.processNext();
+      }
     }
   }