feat: add index

memos/commands.py

@@ -23,6 +23,7 @@ BASE_URL = "http://localhost:8080"
 
 ignore_files = [".DS_Store"]
 
+
 def format_timestamp(timestamp):
     if isinstance(timestamp, str):
         return timestamp
@@ -55,7 +56,9 @@ def display_libraries(libraries):
             ]
         )
 
-    print(tabulate(table, headers=["ID", "Name", "Folders", "Plugins"], tablefmt="plain"))
+    print(
+        tabulate(table, headers=["ID", "Name", "Folders", "Plugins"], tablefmt="plain")
+    )
 
 
 @app.command()
@@ -253,6 +256,91 @@ def scan(library_id: int):
     print(f"Total files deleted: {total_files_deleted}")
 
 
+@lib_app.command("index")
+def index(library_id: int):
+    print(f"Indexing library {library_id}")
+
+    # Get the library
+    response = httpx.get(f"{BASE_URL}/libraries/{library_id}")
+    if response.status_code != 200:
+        print(f"Failed to get library: {response.status_code} - {response.text}")
+        return
+
+    library = response.json()
+    scanned_entities = set()
+
+    # Iterate through folders
+    for folder in library["folders"]:
+        tqdm.write(f"Processing folder: {folder['id']}")
+
+        # List all entities in the folder
+        offset = 0
+        while True:
+            entities_response = httpx.get(
+                f"{BASE_URL}/libraries/{library_id}/folders/{folder['id']}/entities",
+                params={"limit": 200, "offset": offset},
+            )
+            if entities_response.status_code != 200:
+                tqdm.write(
+                    f"Failed to get entities: {entities_response.status_code} - {entities_response.text}"
+                )
+                break
+
+            entities = entities_response.json()
+            if not entities:
+                break
+
+            # Index each entity
+            for entity in tqdm(entities, desc="Indexing entities", leave=False):
+                index_response = httpx.post(f"{BASE_URL}/entities/{entity['id']}/index")
+                if index_response.status_code == 204:
+                    tqdm.write(f"Indexed entity: {entity['id']}")
+                else:
+                    tqdm.write(
+                        f"Failed to index entity {entity['id']}: {index_response.status_code} - {index_response.text}"
+                    )
+
+                scanned_entities.add(str(entity["id"]))
+
+            offset += 200
+
+        # List all indexed entities in the folder
+        offset = 0
+        while True:
+            index_response = httpx.get(
+                f"{BASE_URL}/libraries/{library_id}/folders/{folder['id']}/index",
+                params={"limit": 200, "offset": offset},
+            )
+            if index_response.status_code != 200:
+                tqdm.write(
+                    f"Failed to get indexed entities: {index_response.status_code} - {index_response.text}"
+                )
+                break
+
+            indexed_entities = index_response.json()
+            if not indexed_entities:
+                break
+
+            # Delete indexes for entities not in scanned_entities
+            for indexed_entity in tqdm(
+                indexed_entities, desc="Cleaning up indexes", leave=False
+            ):
+                if indexed_entity["id"] not in scanned_entities:
+                    delete_response = httpx.delete(
+                        f"{BASE_URL}/entities/{indexed_entity['id']}/index"
+                    )
+                    if delete_response.status_code == 204:
+                        tqdm.write(f"Deleted index for entity: {indexed_entity['id']}")
+                    else:
+                        tqdm.write(
+                            f"Failed to delete index for entity {indexed_entity['id']}: {delete_response.status_code} - {delete_response.text}"
+                        )
+
+            offset += 200
+
+    print("Indexing completed")
+
+
 def display_plugins(plugins):
     table = []
     for plugin in plugins:

memos/indexing.py

@@ -1,6 +1,7 @@
 import json
+from typing import List
 
-from .schemas import MetadataType, EntityMetadata
+from .schemas import MetadataType, EntityMetadata, EntityIndexItem, MetadataIndexItem
 
 
 def convert_metadata_value(metadata: EntityMetadata):
@@ -16,31 +17,28 @@ def convert_metadata_value(metadata: EntityMetadata):
 
 
 def upsert(client, entity):
-    # Prepare the entity data for Typesense
-    entity_data = {
-        "id": str(entity.id),
-        "filepath": entity.filepath,
-        "filename": entity.filename,
-        "size": entity.size,
-        "file_created_at": int(entity.file_created_at.timestamp()),
-        "file_last_modified_at": int(entity.file_last_modified_at.timestamp()),
-        "file_type": entity.file_type,
-        "file_type_group": entity.file_type_group,
-        "last_scan_at": (
-            int(entity.last_scan_at.timestamp()) if entity.last_scan_at else None
-        ),
-        "library_id": entity.library_id,
-        "folder_id": entity.folder_id,
-        "tags": [tag.name for tag in entity.tags],
-        "metadata_entries": [
-            {
-                "key": metadata.key,
-                "value": convert_metadata_value(metadata),
-                "source": metadata.source,
-            }
+    entity_data = EntityIndexItem(
+        id=str(entity.id),
+        filepath=entity.filepath,
+        filename=entity.filename,
+        size=entity.size,
+        file_created_at=int(entity.file_created_at.timestamp()),
+        file_last_modified_at=int(entity.file_last_modified_at.timestamp()),
+        file_type=entity.file_type,
+        file_type_group=entity.file_type_group,
+        last_scan_at=int(entity.last_scan_at.timestamp()) if entity.last_scan_at else None,
+        library_id=entity.library_id,
+        folder_id=entity.folder_id,
+        tags=[tag.name for tag in entity.tags],
+        metadata_entries=[
+            MetadataIndexItem(
+                key=metadata.key,
+                value=convert_metadata_value(metadata),
+                source=metadata.source,
+            )
             for metadata in entity.metadata_entries
         ],
-        "metadata_text": "\n\n".join(
+        metadata_text="\n\n".join(
             [
                 (
                     f"key: {metadata.key}\nvalue:\n{json.dumps(json.loads(metadata.value), indent=2)}"
@@ -50,12 +48,61 @@ def upsert(client, entity):
                 for metadata in entity.metadata_entries
             ]
         ),
-    }
+    )
 
     # Sync the entity data to Typesense
     try:
-        client.collections["entities"].documents.upsert(entity_data)
+        client.collections["entities"].documents.upsert(entity_data.model_dump_json())
     except Exception as e:
         raise Exception(
             f"Failed to sync entity to Typesense: {str(e)}",
         )
+
+
+def remove_entity_by_id(client, entity_id):
+    try:
+        client.collections["entities"].documents[entity_id].delete()
+    except Exception as e:
+        raise Exception(
+            f"Failed to remove entity from Typesense: {str(e)}",
+        )
+
+
+def list_all_entities(client, library_id: int, folder_id: int, limit=100, offset=0) -> List[EntityIndexItem]:
+    try:
+        response = client.collections["entities"].documents.search(
+            {
+                "q": "*",
+                "filter_by": f"library_id:={library_id} && folder_id:={folder_id}",
+                "per_page": limit,
+                "page": offset // limit + 1,
+            }
+        )
+        return [
+            EntityIndexItem(
+                id=hit["document"]["id"],
+                filepath=hit["document"]["filepath"],
+                filename=hit["document"]["filename"],
+                size=hit["document"]["size"],
+                file_created_at=hit["document"]["file_created_at"],
+                file_last_modified_at=hit["document"]["file_last_modified_at"],
+                file_type=hit["document"]["file_type"],
+                file_type_group=hit["document"]["file_type_group"],
+                last_scan_at=hit["document"].get("last_scan_at"),
+                library_id=hit["document"]["library_id"],
+                folder_id=hit["document"]["folder_id"],
+                tags=hit["document"]["tags"],
+                metadata_entries=[
+                    MetadataIndexItem(
+                        key=entry["key"],
+                        value=entry["value"],
+                        source=entry["source"]
+                    ) for entry in hit["document"]["metadata_entries"]
+                ],
+                metadata_text=hit["document"]["metadata_text"]
+            ) for hit in response["hits"]
+        ]
+    except Exception as e:
+        raise Exception(
+            f"Failed to list entities for library {library_id} and folder {folder_id}: {str(e)}",
+        )

memos/schemas.py

@@ -1,5 +1,5 @@
-from pydantic import BaseModel, ConfigDict, DirectoryPath, HttpUrl
-from typing import List
+from pydantic import BaseModel, ConfigDict, DirectoryPath, HttpUrl, Field
+from typing import List, Optional, Any
 from datetime import datetime
 from enum import Enum
 
@@ -140,3 +140,25 @@ class Entity(BaseModel):
 
     model_config = ConfigDict(from_attributes=True)
 
+
+class MetadataIndexItem(BaseModel):
+    key: str
+    value: Any
+    source: str
+
+
+class EntityIndexItem(BaseModel):
+    id: str
+    filepath: str
+    filename: str
+    size: int
+    file_created_at: int = Field(..., description="Unix timestamp")
+    file_last_modified_at: int = Field(..., description="Unix timestamp")
+    file_type: str
+    file_type_group: str
+    last_scan_at: Optional[int] = Field(None, description="Unix timestamp")
+    library_id: int
+    folder_id: int
+    tags: List[str]
+    metadata_entries: List[MetadataIndexItem]
+    metadata_text: str

memos/server.py

@@ -28,6 +28,8 @@ from .schemas import (
     UpdateEntityTagsParam,
     UpdateEntityMetadataParam,
     MetadataType,
+    EntityIndexItem,
+    MetadataIndexItem,
 )
 
 engine = create_engine(f"sqlite:///{get_database_path()}")
@@ -280,6 +282,55 @@ async def sync_entity_to_typesense(entity_id: int, db: Session = Depends(get_db)
     return None
 
 
+@app.delete(
+    "/entities/{entity_id}/index",
+    status_code=status.HTTP_204_NO_CONTENT,
+    tags=["entity"],
+)
+async def remove_entity_from_typesense(entity_id: int, db: Session = Depends(get_db)):
+    entity = crud.get_entity_by_id(entity_id, db)
+    if entity is None:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="Entity not found",
+        )
+
+    try:
+        indexing.remove_entity_by_id(client, entity_id)
+    except Exception as e:
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail=str(e),
+        )
+    return None
+
+@app.get(
+    "/libraries/{library_id}/folders/{folder_id}/index",
+    response_model=List[EntityIndexItem],
+    tags=["entity"],
+)
+def list_entities_in_folder(
+    library_id: int,
+    folder_id: int,
+    limit: Annotated[int, Query(ge=1, le=200)] = 10,
+    offset: int = 0,
+    db: Session = Depends(get_db),
+):
+    library = crud.get_library_by_id(library_id, db)
+    if library is None:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND, detail="Library not found"
+        )
+
+    if folder_id not in [folder.id for folder in library.folders]:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="Folder not found in the specified library",
+        )
+
+    return indexing.list_all_entities(client, library_id, folder_id, limit, offset)
+
+
 @app.patch("/entities/{entity_id}/tags", response_model=Entity, tags=["entity"])
 @app.put("/entities/{entity_id}/tags", response_model=Entity, tags=["entity"])
 def patch_entity_tags(