Allow file index to be private (#45)

* Fix breaking reranker

* Allow private file index

* Avoid setting default to 1 when user management is enabled

libs/ktem/ktem/index/base.py

@@ -109,11 +109,16 @@ class BaseIndex(abc.ABC):
         return {}
 
     @abc.abstractmethod
-    def get_indexing_pipeline(self, settings: dict) -> "BaseComponent":
+    def get_indexing_pipeline(
+        self, settings: dict, user_id: Optional[int]
+    ) -> "BaseComponent":
         """Return the indexing pipeline that populates the entities into the index
 
         Args:
             settings: the user settings of the index
+            user_id: the user id who is accessing the index
+                TODO: instead of having a user_id, should have an app_state
+                which might also contain the settings.
 
         Returns:
             BaseIndexing: the indexing pipeline

libs/ktem/ktem/index/file/index.py

@@ -31,6 +31,26 @@ class FileIndex(BaseIndex):
 
     def __init__(self, app, id: int, name: str, config: dict):
         super().__init__(app, id, name, config)
+
+        self._indexing_pipeline_cls: Type[BaseFileIndexIndexing]
+        self._retriever_pipeline_cls: list[Type[BaseFileIndexRetriever]]
+        self._selector_ui_cls: Type
+        self._selector_ui: Any = None
+        self._index_ui_cls: Type
+        self._index_ui: Any = None
+
+        self._default_settings: dict[str, dict] = {}
+        self._setting_mappings: dict[str, dict] = {}
+
+    def _setup_resources(self):
+        """Setup resources for the file index
+
+        The resources include:
+            - Database table
+            - Vector store
+            - Document store
+            - File storage path
+        """
         Base = declarative_base()
         Source = type(
             "Source",
@@ -50,6 +70,7 @@ class FileIndex(BaseIndex):
                 "date_created": Column(
                     DateTime(timezone=True), server_default=func.now()
                 ),
+                "user": Column(Integer, default=1),
             },
         )
         Index = type(
@@ -61,6 +82,7 @@ class FileIndex(BaseIndex):
                 "source_id": Column(String),
                 "target_id": Column(String),
                 "relation_type": Column(Integer),
+                "user": Column(Integer, default=1),
             },
         )
         self._vs: BaseVectorStore = get_vectorstore(f"index_{self.id}")
@@ -74,16 +96,6 @@ class FileIndex(BaseIndex):
             "FileStoragePath": self._fs_path,
         }
 
-        self._indexing_pipeline_cls: Type[BaseFileIndexIndexing]
-        self._retriever_pipeline_cls: list[Type[BaseFileIndexRetriever]]
-        self._selector_ui_cls: Type
-        self._selector_ui: Any = None
-        self._index_ui_cls: Type
-        self._index_ui: Any = None
-
-        self._default_settings: dict[str, dict] = {}
-        self._setting_mappings: dict[str, dict] = {}
-
     def _setup_indexing_cls(self):
         """Retrieve the indexing class for the file index
 
@@ -247,6 +259,7 @@ class FileIndex(BaseIndex):
         self.config = config
 
         # create the resources
+        self._setup_resources()
         self._resources["Source"].metadata.create_all(engine)  # type: ignore
         self._resources["Index"].metadata.create_all(engine)  # type: ignore
         self._fs_path.mkdir(parents=True, exist_ok=True)
@@ -255,6 +268,7 @@ class FileIndex(BaseIndex):
         """Clean up the index when the user delete it"""
         import shutil
 
+        self._setup_resources()
         self._resources["Source"].__table__.drop(engine)  # type: ignore
         self._resources["Index"].__table__.drop(engine)  # type: ignore
         self._vs.drop()
@@ -263,6 +277,7 @@ class FileIndex(BaseIndex):
 
     def on_start(self):
         """Setup the classes and hooks"""
+        self._setup_resources()
         self._setup_indexing_cls()
         self._setup_retriever_cls()
         self._setup_file_index_ui_cls()
@@ -326,9 +341,16 @@ class FileIndex(BaseIndex):
                     "Set 0 to disable."
                 ),
             },
+            "private": {
+                "name": "Make private",
+                "value": False,
+                "component": "radio",
+                "choices": [("Yes", True), ("No", False)],
+                "info": "If private, files will not be accessible across users.",
+            },
         }
 
-    def get_indexing_pipeline(self, settings) -> BaseFileIndexIndexing:
+    def get_indexing_pipeline(self, settings, user_id) -> BaseFileIndexIndexing:
         """Define the interface of the indexing pipeline"""
 
         prefix = f"index.options.{self.id}."
@@ -341,6 +363,7 @@ class FileIndex(BaseIndex):
 
         obj = self._indexing_pipeline_cls.get_pipeline(stripped_settings, self.config)
         obj.set_resources(resources=self._resources)
+        obj._user_id = user_id
 
         return obj
 

libs/ktem/ktem/index/file/pipelines.py

@@ -13,6 +13,7 @@ import gradio as gr
 from ktem.components import filestorage_path
 from ktem.db.models import engine
 from ktem.embeddings.manager import embedding_models_manager
+from ktem.llms.manager import llms
 from llama_index.vector_stores import (
     FilterCondition,
     FilterOperator,
@@ -28,7 +29,7 @@ from theflow.utils.modules import import_dotted_string
 from kotaemon.base import RetrievedDocument
 from kotaemon.indices import VectorIndexing, VectorRetrieval
 from kotaemon.indices.ingests import DocumentIngestor
-from kotaemon.indices.rankings import BaseReranking
+from kotaemon.indices.rankings import BaseReranking, LLMReranking
 
 from .base import BaseFileIndexIndexing, BaseFileIndexRetriever
 
@@ -72,7 +73,7 @@ class DocumentRetrievalPipeline(BaseFileIndexRetriever):
     """
 
     vector_retrieval: VectorRetrieval = VectorRetrieval.withx()
-    reranker: BaseReranking
+    reranker: BaseReranking = LLMReranking.withx()
     get_extra_table: bool = False
     mmr: bool = False
     top_k: int = 5
@@ -225,12 +226,15 @@ class DocumentRetrievalPipeline(BaseFileIndexRetriever):
         """
         retriever = cls(
             get_extra_table=user_settings["prioritize_table"],
-            reranker=user_settings["reranking_llm"],
             top_k=user_settings["num_retrieval"],
             mmr=user_settings["mmr"],
         )
         if not user_settings["use_reranking"]:
             retriever.reranker = None  # type: ignore
+        else:
+            retriever.reranker.llm = llms.get(
+                user_settings["reranking_llm"], llms.get_default()
+            )
 
         retriever.vector_retrieval.embedding = embedding_models_manager[
             index_settings.get("embedding", embedding_models_manager.get_default_name())
@@ -342,6 +346,7 @@ class IndexDocumentPipeline(BaseFileIndexIndexing):
                 name=Path(file_path).name,
                 path=file_hash,
                 size=Path(file_path).stat().st_size,
+                user=self._user_id,  # type: ignore
             )
             file_to_source[file_path] = source
 

libs/ktem/ktem/index/file/ui.py

@@ -168,6 +168,25 @@ class FileIndexPage(BasePage):
 
     def on_subscribe_public_events(self):
         """Subscribe to the declared public event of the app"""
+        if self._app.f_user_management:
+            self._app.subscribe_event(
+                name="onSignIn",
+                definition={
+                    "fn": self.list_file,
+                    "inputs": [self._app.user_id],
+                    "outputs": [self.file_list_state, self.file_list],
+                    "show_progress": "hidden",
+                },
+            )
+            self._app.subscribe_event(
+                name="onSignOut",
+                definition={
+                    "fn": self.list_file,
+                    "inputs": [self._app.user_id],
+                    "outputs": [self.file_list_state, self.file_list],
+                    "show_progress": "hidden",
+                },
+            )
 
     def file_selected(self, file_id):
         if file_id is None:
@@ -257,7 +276,7 @@ class FileIndexPage(BasePage):
             )
             .then(
                 fn=self.list_file,
-                inputs=None,
+                inputs=[self._app.user_id],
                 outputs=[self.file_list_state, self.file_list],
             )
         )
@@ -294,12 +313,13 @@ class FileIndexPage(BasePage):
                 self.files,
                 self.reindex,
                 self._app.settings_state,
+                self._app.user_id,
             ],
             outputs=[self.file_output],
             concurrency_limit=20,
         ).then(
             fn=self.list_file,
-            inputs=None,
+            inputs=[self._app.user_id],
             outputs=[self.file_list_state, self.file_list],
             concurrency_limit=20,
         )
@@ -317,11 +337,11 @@ class FileIndexPage(BasePage):
         """Called when the app is created"""
         self._app.app.load(
             self.list_file,
-            inputs=None,
+            inputs=[self._app.user_id],
             outputs=[self.file_list_state, self.file_list],
         )
 
-    def index_fn(self, files, reindex: bool, settings):
+    def index_fn(self, files, reindex: bool, settings, user_id):
         """Upload and index the files
 
         Args:
@@ -342,7 +362,7 @@ class FileIndexPage(BasePage):
         gr.Info(f"Start indexing {len(files)} files...")
 
         # get the pipeline
-        indexing_pipeline = self._index.get_indexing_pipeline(settings)
+        indexing_pipeline = self._index.get_indexing_pipeline(settings, user_id)
 
         result = indexing_pipeline(files, reindex=reindex)
         if result is None:
@@ -360,7 +380,7 @@ class FileIndexPage(BasePage):
 
         return gr.update(value=file_path, visible=True)
 
-    def index_files_from_dir(self, folder_path, reindex, settings):
+    def index_files_from_dir(self, folder_path, reindex, settings, user_id):
         """This should be constructable by users
 
         It means that the users can build their own index.
@@ -428,12 +448,28 @@ class FileIndexPage(BasePage):
             for p in exclude_patterns:
                 files = [f for f in files if not fnmatch.fnmatch(name=f, pat=p)]
 
-        return self.index_fn(files, reindex, settings)
+        return self.index_fn(files, reindex, settings, user_id)
+
+    def list_file(self, user_id):
+        if user_id is None:
+            # not signed in
+            return [], pd.DataFrame.from_records(
+                [
+                    {
+                        "id": "-",
+                        "name": "-",
+                        "size": "-",
+                        "text_length": "-",
+                        "date_created": "-",
+                    }
+                ]
+            )
 
-    def list_file(self):
         Source = self._index._resources["Source"]
         with Session(engine) as session:
             statement = select(Source)
+            if self._index.config.get("private", False):
+                statement = statement.where(Source.user == user_id)
             results = [
                 {
                     "id": each[0].id,
@@ -513,10 +549,12 @@ class FileSelector(BasePage):
         self.on_building_ui()
 
     def default(self):
-        return "disabled", []
+        if self._app.f_user_management:
+            return "disabled", [], -1
+        return "disabled", [], 1
 
     def on_building_ui(self):
-        default_mode, default_selector = self.default()
+        default_mode, default_selector, user_id = self.default()
 
         self.mode = gr.Radio(
             value=default_mode,
@@ -529,25 +567,30 @@ class FileSelector(BasePage):
         )
         self.selector = gr.Dropdown(
             label="Files",
-            choices=default_selector,
+            value=default_selector,
+            choices=[],
             multiselect=True,
             container=False,
             interactive=True,
             visible=False,
         )
+        self.selector_user_id = gr.State(value=user_id)
 
     def on_register_events(self):
         self.mode.change(
-            fn=lambda mode: gr.update(visible=mode == "select"),
+            fn=lambda mode, user_id: (gr.update(visible=mode == "select"), user_id),
-            inputs=[self.mode],
+            inputs=[self.mode, self._app.user_id],
-            outputs=[self.selector],
+            outputs=[self.selector, self.selector_user_id],
         )
 
     def as_gradio_component(self):
-        return [self.mode, self.selector]
+        return [self.mode, self.selector, self.selector_user_id]
 
     def get_selected_ids(self, components):
-        mode, selected = components[0], components[1]
+        mode, selected, user_id = components[0], components[1], components[2]
+        if user_id is None:
+            return []
+
         if mode == "disabled":
             return []
         elif mode == "select":
@@ -556,17 +599,31 @@ class FileSelector(BasePage):
         file_ids = []
         with Session(engine) as session:
             statement = select(self._index._resources["Source"].id)
+            if self._index.config.get("private", False):
+                statement = statement.where(
+                    self._index._resources["Source"].user == user_id
+                )
             results = session.execute(statement).all()
             for (id,) in results:
                 file_ids.append(id)
 
         return file_ids
 
-    def load_files(self, selected_files):
+    def load_files(self, selected_files, user_id):
-        options = []
+        options: list = []
         available_ids = []
+        if user_id is None:
+            # not signed in
+            return gr.update(value=selected_files, choices=options)
+
         with Session(engine) as session:
             statement = select(self._index._resources["Source"])
+            if self._index.config.get("private", False):
+
+                statement = statement.where(
+                    self._index._resources["Source"].user == user_id
+                )
+
             results = session.execute(statement).all()
             for result in results:
                 available_ids.append(result[0].id)
@@ -583,7 +640,7 @@ class FileSelector(BasePage):
     def _on_app_created(self):
         self._app.app.load(
             self.load_files,
-            inputs=self.selector,
+            inputs=[self.selector, self._app.user_id],
             outputs=[self.selector],
         )
 
@@ -592,7 +649,26 @@ class FileSelector(BasePage):
             name=f"onFileIndex{self._index.id}Changed",
             definition={
                 "fn": self.load_files,
-                "inputs": [self.selector],
+                "inputs": [self.selector, self._app.user_id],
+                "outputs": [self.selector],
+                "show_progress": "hidden",
+            },
+        )
+        if self._app.f_user_management:
+            self._app.subscribe_event(
+                name="onSignIn",
+                definition={
+                    "fn": self.load_files,
+                    "inputs": [self.selector, self._app.user_id],
+                    "outputs": [self.selector],
+                    "show_progress": "hidden",
+                },
+            )
+            self._app.subscribe_event(
+                name="onSignOut",
+                definition={
+                    "fn": self.load_files,
+                    "inputs": [self.selector, self._app.user_id],
                     "outputs": [self.selector],
                     "show_progress": "hidden",
                 },

libs/ktem/ktem/pages/chat/__init__.py

@@ -365,7 +365,7 @@ class ChatPage(BasePage):
 
         Args:
             settings: the settings of the app
-            is_regen: whether the regen button is clicked
+            state: the state of the app
             selected: the list of file ids that will be served as context. If None, then
                 consider using all files