Merge branch 'dev' into fix_group_graph

.github/workflows/lint-js.yml

@@ -5,7 +5,7 @@ on:
     paths:
       - "src/frontend/**"
   merge_group:
-    branches: [dev]
+    types: [checks_requested]
 
 env:
   NODE_VERSION: "21"

.github/workflows/python_test.yml

@@ -45,7 +45,7 @@ jobs:
           poetry run python -m langflow run --host 127.0.0.1 --port 7860 --backend-only &
           SERVER_PID=$!
           # Wait for the server to start
-          timeout 120 bash -c 'until curl -f http://127.0.0.1:7860/auto_login; do sleep 2; done' || (echo "Server did not start in time" && kill $SERVER_PID && exit 1)
+          timeout 120 bash -c 'until curl -f http://127.0.0.1:7860/api/v1/auto_login; do sleep 5; done' || (echo "Server did not start in time" && kill $SERVER_PID && exit 1)
           # Terminate the server
           kill $SERVER_PID || (echo "Failed to terminate the server" && exit 1)
           sleep 10 # give the server some time to terminate

.github/workflows/release.yml

@@ -62,7 +62,7 @@ jobs:
           python -m langflow run --host 127.0.0.1 --port 7860 &
           SERVER_PID=$!
           # Wait for the server to start
-          timeout 120 bash -c 'until curl -f http://127.0.0.1:7860/auto_login; do sleep 2; done' || (echo "Server did not start in time" && kill $SERVER_PID && exit 1)
+          timeout 120 bash -c 'until curl -f http://127.0.0.1:7860/api/v1/auto_login; do sleep 2; done' || (echo "Server did not start in time" && kill $SERVER_PID && exit 1)
           # Terminate the server
           kill $SERVER_PID || (echo "Failed to terminate the server" && exit 1)
           sleep 10 # give the server some time to terminate
@@ -124,7 +124,7 @@ jobs:
           python -m langflow run --host 127.0.0.1 --port 7860 &
           SERVER_PID=$!
           # Wait for the server to start
-          timeout 120 bash -c 'until curl -f http://127.0.0.1:7860/auto_login; do sleep 2; done' || (echo "Server did not start in time" && kill $SERVER_PID && exit 1)
+          timeout 120 bash -c 'until curl -f http://127.0.0.1:7860/api/v1/auto_login; do sleep 2; done' || (echo "Server did not start in time" && kill $SERVER_PID && exit 1)
           # Terminate the server
           kill $SERVER_PID || (echo "Failed to terminate the server" && exit 1)
           sleep 10 # give the server some time to terminate

src/backend/base/langflow/alembic/versions/d066bfd22890_add_message_table.py

@@ -0,0 +1,52 @@
+"""Add message table
+
+Revision ID: 325180f0c4e1
+Revises: 631faacf5da2
+Create Date: 2024-06-23 21:29:28.220100
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+import sqlmodel
+from alembic import op
+
+from langflow.utils import migration
+
+# revision identifiers, used by Alembic.
+revision: str = "325180f0c4e1"
+down_revision: Union[str, None] = "631faacf5da2"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    conn = op.get_bind()
+    # ### commands auto generated by Alembic - please adjust! ###
+    if not migration.table_exists("message", conn):
+        op.create_table(
+            "message",
+            sa.Column("timestamp", sa.DateTime(), nullable=False),
+            sa.Column("sender", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+            sa.Column("sender_name", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+            sa.Column("session_id", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+            sa.Column("text", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+            sa.Column("id", sqlmodel.sql.sqltypes.GUID(), nullable=False),
+            sa.Column("flow_id", sqlmodel.sql.sqltypes.GUID(), nullable=True),
+            sa.Column("files", sa.JSON(), nullable=True),
+            sa.ForeignKeyConstraint(
+                ["flow_id"],
+                ["flow.id"],
+            ),
+            sa.PrimaryKeyConstraint("id"),
+        )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    conn = op.get_bind()
+    # ### commands auto generated by Alembic - please adjust! ###
+    if migration.table_exists("message", conn):
+        op.drop_table("message")
+    # ### end Alembic commands ###

src/backend/base/langflow/api/v1/monitor.py

@@ -1,15 +1,15 @@
 from typing import List, Optional
-
+from uuid import UUID
 
 from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy import delete
+from sqlmodel import Session, col, select
 
-from langflow.services.deps import get_monitor_service
+from langflow.services.auth.utils import get_current_active_user
-from langflow.services.monitor.schema import (
+from langflow.services.database.models.message.model import MessageRead, MessageTable, MessageUpdate
-    MessageModelRequest,
+from langflow.services.database.models.user.model import User
-    MessageModelResponse,
+from langflow.services.deps import get_monitor_service, get_session
-    TransactionModelResponse,
+from langflow.services.monitor.schema import MessageModelResponse, TransactionModelResponse, VertexBuildMapModel
-    VertexBuildMapModel,
-)
 from langflow.services.monitor.service import MonitorService
 
 router = APIRouter(prefix="/monitor", tags=["Monitor"])
@@ -52,45 +52,58 @@ async def get_messages(
     sender: Optional[str] = Query(None),
     sender_name: Optional[str] = Query(None),
     order_by: Optional[str] = Query("timestamp"),
-    monitor_service: MonitorService = Depends(get_monitor_service),
+    session: Session = Depends(get_session),
 ):
     try:
-        df = monitor_service.get_messages(
+        stmt = select(MessageTable)
-            flow_id=flow_id,
+        if flow_id:
-            sender=sender,
+            stmt = stmt.where(MessageTable.flow_id == flow_id)
-            sender_name=sender_name,
+        if session_id:
-            session_id=session_id,
+            stmt = stmt.where(MessageTable.session_id == session_id)
-            order_by=order_by,
+        if sender:
-        )
+            stmt = stmt.where(MessageTable.sender == sender)
-        dicts = df.to_dict(orient="records")
+        if sender_name:
-        return [MessageModelResponse(**d) for d in dicts]
+            stmt = stmt.where(MessageTable.sender_name == sender_name)
+        if order_by:
+            col = getattr(MessageTable, order_by).asc()
+            stmt = stmt.order_by(col)
+        messages = session.exec(stmt)
+        return [MessageModelResponse.model_validate(d, from_attributes=True) for d in messages]
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
 
 
 @router.delete("/messages", status_code=204)
 async def delete_messages(
-    message_ids: List[int],
+    message_ids: List[UUID],
-    monitor_service: MonitorService = Depends(get_monitor_service),
+    session: Session = Depends(get_session),
+    current_user: User = Depends(get_current_active_user),
 ):
     try:
-        monitor_service.delete_messages(message_ids=message_ids)
+        session.exec(select(MessageTable).where(MessageTable.id.in_(message_ids)))  # type: ignore
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
 
 
-@router.post("/messages/{message_id}", response_model=MessageModelResponse)
+@router.put("/messages/{message_id}", response_model=MessageRead)
 async def update_message(
-    message_id: int,
+    message_id: UUID,
-    message: MessageModelRequest,
+    message: MessageUpdate,
-    monitor_service: MonitorService = Depends(get_monitor_service),
+    session: Session = Depends(get_session),
+    user: User = Depends(get_current_active_user),
 ):
     try:
-        message_dict = message.model_dump(exclude_none=True)
+        db_message = session.get(MessageTable, message_id)
-        message_dict.pop("index", None)
+        if not db_message:
-        monitor_service.update_message(message_id=message_id, **message_dict)  # type: ignore
+            raise HTTPException(status_code=404, detail="Message not found")
-        return MessageModelResponse(index=message_id, **message_dict)
+        message_dict = message.model_dump(exclude_unset=True, exclude_none=True)
-
+        db_message.sqlmodel_update(message_dict)
+        session.add(db_message)
+        session.commit()
+        session.refresh(db_message)
+        return db_message
+    except HTTPException as e:
+        raise e
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
 
@@ -98,10 +111,16 @@ async def update_message(
 @router.delete("/messages/session/{session_id}", status_code=204)
 async def delete_messages_session(
     session_id: str,
-    monitor_service: MonitorService = Depends(get_monitor_service),
+    session: Session = Depends(get_session),
 ):
     try:
-        monitor_service.delete_messages_session(session_id=session_id)
+        session.exec(  # type: ignore
+            delete(MessageTable)
+            .where(col(MessageTable.session_id) == session_id)
+            .execution_options(synchronize_session="fetch")
+        )
+        session.commit()
+        return {"message": "Messages deleted successfully"}
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
 
@@ -137,4 +156,3 @@ async def get_transactions(
         return result
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
-        raise HTTPException(status_code=500, detail=str(e))

src/backend/base/langflow/base/models/model.py

@@ -119,7 +119,11 @@ class LCModelComponent(Component):
         return status_message
 
     def get_chat_result(
-        self, runnable: LanguageModel, stream: bool, input_value: str | Message, system_message: Optional[str] = None
+        self,
+        runnable: LanguageModel,
+        stream: bool,
+        input_value: str | Message,
+        system_message: Optional[str] = None,
     ):
         messages: list[Union[BaseMessage]] = []
         if not input_value and not system_message:

src/backend/base/langflow/memory.py

@@ -1,11 +1,14 @@
 import warnings
 from typing import List, Optional
+from uuid import UUID
 
 from loguru import logger
+from sqlalchemy import delete
+from sqlmodel import Session, col, select
 
 from langflow.schema.message import Message
-from langflow.services.deps import get_monitor_service
+from langflow.services.database.models.message.model import MessageRead, MessageTable
-from langflow.services.monitor.schema import MessageModel
+from langflow.services.deps import session_scope
 
 
 def get_messages(
@@ -14,6 +17,7 @@ def get_messages(
     session_id: Optional[str] = None,
     order_by: Optional[str] = "timestamp",
     order: Optional[str] = "DESC",
+    flow_id: Optional[UUID] = None,
     limit: Optional[int] = None,
 ):
     """
@@ -29,34 +33,29 @@ def get_messages(
     Returns:
         List[Data]: A list of Data objects representing the retrieved messages.
     """
-    monitor_service = get_monitor_service()
+    messages_read: list[Message] = []
-    messages_df = monitor_service.get_messages(
+    with session_scope() as session:
-        sender=sender,
+        stmt = select(MessageTable)
-        sender_name=sender_name,
+        if sender:
-        session_id=session_id,
+            stmt = stmt.where(MessageTable.sender == sender)
-        order_by=order_by,
+        if sender_name:
-        limit=limit,
+            stmt = stmt.where(MessageTable.sender_name == sender_name)
-        order=order,
+        if session_id:
-    )
+            stmt = stmt.where(MessageTable.session_id == session_id)
+        if flow_id:
+            stmt = stmt.where(MessageTable.flow_id == flow_id)
+        if order_by:
+            if order == "DESC":
+                col = getattr(MessageTable, order_by).desc()
+            else:
+                col = getattr(MessageTable, order_by).asc()
+            stmt = stmt.order_by(col)
+        if limit:
+            stmt = stmt.limit(limit)
+        messages = session.exec(stmt)
+        messages_read = [Message(**d.model_dump()) for d in messages]
 
-    messages: list[Message] = []
+    return messages_read
-    # messages_df has a timestamp
-    # it gets the last 5 messages, for example
-    # but now they are ordered from most recent to least recent
-    # so we need to reverse the order
-    messages_df = messages_df[::-1] if order == "DESC" else messages_df
-    for row in messages_df.itertuples():
-        msg = Message(
-            text=row.text,
-            sender=row.sender,
-            session_id=row.session_id,
-            sender_name=row.sender_name,
-            timestamp=row.timestamp,
-        )
-
-        messages.append(msg)
-
-    return messages
 
 
 def add_messages(messages: Message | list[Message], flow_id: Optional[str] = None):
@@ -64,7 +63,6 @@ def add_messages(messages: Message | list[Message], flow_id: Optional[str] = Non
     Add a message to the monitor service.
     """
     try:
-        monitor_service = get_monitor_service()
         if not isinstance(messages, list):
             messages = [messages]
 
@@ -72,25 +70,29 @@ def add_messages(messages: Message | list[Message], flow_id: Optional[str] = Non
             types = ", ".join([str(type(message)) for message in messages])
             raise ValueError(f"The messages must be instances of Message. Found: {types}")
 
-        messages_models: list[MessageModel] = []
+        messages_models: list[MessageTable] = []
         for msg in messages:
-            if not msg.timestamp:
+            messages_models.append(MessageTable.from_message(msg, flow_id=flow_id))
-                msg.timestamp = monitor_service.get_timestamp()
+        with session_scope() as session:
-            messages_models.append(MessageModel.from_message(msg, flow_id=flow_id))
+            messages_models = add_messagetables(messages_models, session)
-
+        return [Message(**message.model_dump()) for message in messages_models]
-        for message_model in messages_models:
-            try:
-                monitor_service.add_message(message_model)
-            except Exception as e:
-                logger.error(f"Error adding message to monitor service: {e}")
-                logger.exception(e)
-                raise e
-        return messages_models
     except Exception as e:
         logger.exception(e)
         raise e
 
 
+def add_messagetables(messages: list[MessageTable], session: Session):
+    for message in messages:
+        try:
+            session.add(message)
+            session.commit()
+            session.refresh(message)
+        except Exception as e:
+            logger.exception(e)
+            raise e
+    return [MessageRead.model_validate(message, from_attributes=True) for message in messages]
+
+
 def delete_messages(session_id: str):
     """
     Delete messages from the monitor service based on the provided session ID.
@@ -98,8 +100,13 @@ def delete_messages(session_id: str):
     Args:
         session_id (str): The session ID associated with the messages to delete.
     """
-    monitor_service = get_monitor_service()
+    with session_scope() as session:
-    monitor_service.delete_messages_session(session_id)
+        session.exec(
+            delete(MessageTable)
+            .where(col(MessageTable.session_id) == session_id)
+            .execution_options(synchronize_session="fetch")
+        )
+        session.commit()
 
 
 def store_message(

src/backend/base/langflow/schema/message.py

@@ -1,5 +1,6 @@
 from datetime import datetime, timezone
 from typing import Annotated, Any, AsyncIterator, Iterator, List, Optional
+from uuid import UUID
 
 from fastapi.encoders import jsonable_encoder
 from langchain_core.load import load
@@ -31,7 +32,14 @@ class Message(Data):
     timestamp: Annotated[str, BeforeValidator(_timestamp_to_str)] = Field(
         default=datetime.now(timezone.utc).strftime("%Y-%m-%d %H:%M:%S")
     )
-    flow_id: Optional[str] = None
+    flow_id: Optional[str | UUID] = None
+
+    @field_validator("flow_id", mode="before")
+    @classmethod
+    def validate_flow_id(cls, value):
+        if isinstance(value, UUID):
+            value = str(value)
+        return value
 
     @field_validator("files", mode="before")
     @classmethod

src/backend/base/langflow/services/database/models/__init__.py

@@ -1,7 +1,8 @@
 from .api_key import ApiKey
 from .flow import Flow
 from .folder import Folder
+from .message import MessageTable
 from .user import User
 from .variable import Variable
 
-__all__ = ["Flow", "User", "ApiKey", "Variable", "Folder"]
+__all__ = ["Flow", "User", "ApiKey", "Variable", "Folder", "MessageTable"]

src/backend/base/langflow/services/database/models/flow/model.py

@@ -3,7 +3,7 @@
 import re
 import warnings
 from datetime import datetime, timezone
-from typing import TYPE_CHECKING, Dict, Optional
+from typing import TYPE_CHECKING, Dict, List, Optional
 from uuid import UUID, uuid4
 
 import emoji
@@ -17,6 +17,7 @@ from langflow.schema import Data
 
 if TYPE_CHECKING:
     from langflow.services.database.models.folder import Folder
+    from langflow.services.database.models.message import MessageTable
     from langflow.services.database.models.user import User
 
 
@@ -141,6 +142,7 @@ class Flow(FlowBase, table=True):
     user: "User" = Relationship(back_populates="flows")
     folder_id: Optional[UUID] = Field(default=None, foreign_key="folder.id", nullable=True, index=True)
     folder: Optional["Folder"] = Relationship(back_populates="flows")
+    messages: List["MessageTable"] = Relationship(back_populates="flow")
 
     def to_data(self):
         serialized = self.model_dump()

src/backend/base/langflow/services/database/models/message/__init__.py

@@ -0,0 +1,3 @@
+from .model import MessageTable, MessageCreate, MessageRead, MessageUpdate
+
+__all__ = ["MessageTable", "MessageCreate", "MessageRead", "MessageUpdate"]

src/backend/base/langflow/services/database/models/message/model.py

@@ -0,0 +1,74 @@
+from datetime import datetime, timezone
+from typing import TYPE_CHECKING, List, Optional
+from uuid import UUID, uuid4
+
+from pydantic import field_validator
+from sqlmodel import JSON, Column, Field, Relationship, SQLModel
+
+if TYPE_CHECKING:
+    from langflow.schema.message import Message
+    from langflow.services.database.models.flow.model import Flow
+
+
+class MessageBase(SQLModel):
+    timestamp: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
+    sender: str
+    sender_name: str
+    session_id: str
+    text: str
+    files: list[str] = Field(default_factory=list)
+
+    @field_validator("files", mode="before")
+    @classmethod
+    def validate_files(cls, value):
+        if not value:
+            value = []
+        return value
+
+    @classmethod
+    def from_message(cls, message: "Message", flow_id: str | None = None):
+        # first check if the record has all the required fields
+        if message.text is None or not message.sender or not message.sender_name:
+            raise ValueError("The message does not have the required fields (text, sender, sender_name).")
+        if isinstance(message.timestamp, str):
+            timestamp = datetime.fromisoformat(message.timestamp)
+        else:
+            timestamp = message.timestamp
+        return cls(
+            sender=message.sender,
+            sender_name=message.sender_name,
+            text=message.text,
+            session_id=message.session_id,
+            files=message.files or [],
+            timestamp=timestamp,
+            flow_id=flow_id,
+        )
+
+
+class MessageTable(MessageBase, table=True):
+    __tablename__ = "message"
+    id: UUID = Field(default_factory=uuid4, primary_key=True)
+    flow_id: Optional[UUID] = Field(default=None, foreign_key="flow.id")
+    flow: "Flow" = Relationship(back_populates="messages")
+    files: List[str] = Field(sa_column=Column(JSON))
+
+    # Needed for Column(JSON)
+    class Config:
+        arbitrary_types_allowed = True
+
+
+class MessageRead(MessageBase):
+    id: UUID
+    flow_id: Optional[UUID] = Field()
+
+
+class MessageCreate(MessageBase):
+    pass
+
+
+class MessageUpdate(SQLModel):
+    text: Optional[str] = None
+    sender: Optional[str] = None
+    sender_name: Optional[str] = None
+    session_id: Optional[str] = None
+    files: Optional[list[str]] = None

src/backend/base/langflow/services/monitor/schema.py

@@ -1,6 +1,7 @@
 import json
 from datetime import datetime, timezone
 from typing import Any, Optional
+from uuid import UUID
 
 from pydantic import BaseModel, Field, field_serializer, field_validator
 
@@ -81,8 +82,8 @@ class TransactionModelResponse(DefaultModel):
 
 
 class MessageModel(DefaultModel):
-    index: Optional[int] = Field(default=None)
+    id: Optional[str | UUID] = Field(default=None)
-    flow_id: Optional[str] = Field(default=None, alias="flow_id")
+    flow_id: Optional[UUID] = Field(default=None)
     timestamp: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
     sender: str
     sender_name: str
@@ -127,16 +128,7 @@ class MessageModel(DefaultModel):
 
 
 class MessageModelResponse(MessageModel):
-    index: Optional[int] = Field(default=None)
+    pass
-
-    @field_validator("index", mode="before")
-    def validate_id(cls, v):
-        if isinstance(v, float):
-            try:
-                return int(v)
-            except ValueError:
-                return None
-        return v
 
 
 class MessageModelRequest(MessageModel):

src/backend/base/langflow/services/monitor/service.py

@@ -3,14 +3,15 @@ from pathlib import Path
 from typing import TYPE_CHECKING, List, Optional, Union
 
 import duckdb
-from langflow.services.base import Service
-from langflow.services.monitor.utils import add_row_to_table, drop_and_create_table_if_schema_mismatch
 from loguru import logger
 from platformdirs import user_cache_dir
 
+from langflow.services.base import Service
+from langflow.services.monitor.utils import add_row_to_table, drop_and_create_table_if_schema_mismatch
+
 if TYPE_CHECKING:
-    from langflow.services.settings.service import SettingsService
     from langflow.services.monitor.schema import MessageModel, TransactionModel, VertexBuildModel
+    from langflow.services.settings.service import SettingsService
 
 
 class MonitorService(Service):
@@ -129,45 +130,6 @@ class MonitorService(Service):
 
         return self.exec_query(query, read_only=False)
 
-    def add_message(self, message: "MessageModel"):
-        self.add_row("messages", message)
-
-    def get_messages(
-        self,
-        flow_id: Optional[str] = None,
-        sender: Optional[str] = None,
-        sender_name: Optional[str] = None,
-        session_id: Optional[str] = None,
-        order_by: Optional[str] = "timestamp",
-        order: Optional[str] = "DESC",
-        limit: Optional[int] = None,
-    ):
-        query = "SELECT index, flow_id, sender_name, sender, session_id, text, files, timestamp FROM messages"
-        conditions = []
-        if sender:
-            conditions.append(f"sender = '{sender}'")
-        if sender_name:
-            conditions.append(f"sender_name = '{sender_name}'")
-        if session_id:
-            conditions.append(f"session_id = '{session_id}'")
-        if flow_id:
-            conditions.append(f"flow_id = '{flow_id}'")
-
-        if conditions:
-            query += " WHERE " + " AND ".join(conditions)
-
-        if order_by and order:
-            # Make sure the order is from newest to oldest
-            query += f" ORDER BY {order_by} {order.upper()}"
-
-        if limit is not None:
-            query += f" LIMIT {limit}"
-
-        with duckdb.connect(str(self.db_path), read_only=True) as conn:
-            df = conn.execute(query).df()
-
-        return df
-
     def get_transactions(
         self,
         source: Optional[str] = None,

tests/test_messages_endpoints.py

@@ -0,0 +1,76 @@
+from uuid import UUID
+
+import pytest
+from fastapi.testclient import TestClient
+
+from langflow.memory import add_messagetables
+
+# Assuming you have these imports available
+from langflow.services.database.models.message import MessageCreate, MessageRead, MessageUpdate
+from langflow.services.database.models.message.model import MessageTable
+from langflow.services.deps import session_scope
+
+
+@pytest.fixture()
+def created_message():
+    with session_scope() as session:
+        message = MessageCreate(text="Test message", sender="User", sender_name="User", session_id="session_id")
+        messagetable = MessageTable.model_validate(message, from_attributes=True)
+        messagetables = add_messagetables([messagetable], session)
+        message_read = MessageRead.model_validate(messagetables[0], from_attributes=True)
+        return message_read
+
+
+@pytest.fixture()
+def created_messages(session):
+    with session_scope() as session:
+        messages = [
+            MessageCreate(text="Test message 1", sender="User", sender_name="User", session_id="session_id2"),
+            MessageCreate(text="Test message 2", sender="User", sender_name="User", session_id="session_id2"),
+            MessageCreate(text="Test message 3", sender="User", sender_name="User", session_id="session_id2"),
+        ]
+        messagetables = [MessageTable.model_validate(message, from_attributes=True) for message in messages]
+        message_list = add_messagetables(messagetables, session)
+
+        return message_list
+
+
+def test_delete_messages(client: TestClient, created_messages, logged_in_headers):
+    response = client.request(
+        "DELETE", "api/v1/monitor/messages", json=[str(msg.id) for msg in created_messages], headers=logged_in_headers
+    )
+    assert response.status_code == 204, response.text
+    assert response.reason_phrase == "No Content"
+
+
+def test_update_message(client: TestClient, logged_in_headers, created_message):
+    message_id = created_message.id
+    message_update = MessageUpdate(text="Updated content")
+    response = client.put(
+        f"api/v1/monitor/messages/{message_id}", json=message_update.model_dump(), headers=logged_in_headers
+    )
+    assert response.status_code == 200, response.text
+    updated_message = MessageRead(**response.json())
+    assert updated_message.text == "Updated content"
+
+
+def test_update_message_not_found(client: TestClient, logged_in_headers):
+    non_existent_id = UUID("00000000-0000-0000-0000-000000000000")
+    message_update = MessageUpdate(text="Updated content")
+    response = client.put(
+        f"api/v1/monitor/messages/{non_existent_id}", json=message_update.model_dump(), headers=logged_in_headers
+    )
+    assert response.status_code == 404, response.text
+    assert response.json()["detail"] == "Message not found"
+
+
+def test_delete_messages_session(client: TestClient, created_messages, logged_in_headers):
+    session_id = "session_id2"
+    response = client.delete(f"api/v1/monitor/messages/session/{session_id}", headers=logged_in_headers)
+    assert response.status_code == 204
+    assert response.reason_phrase == "No Content"
+
+    assert len(created_messages) == 3
+    response = client.get("api/v1/monitor/messages", headers=logged_in_headers)
+    assert response.status_code == 200
+    assert len(response.json()) == 0

tests/unit/test_messages.py

@@ -0,0 +1,72 @@
+import pytest
+
+from langflow.memory import add_messages, add_messagetables, delete_messages, get_messages, store_message
+from langflow.schema.message import Message
+
+# Assuming you have these imports available
+from langflow.services.database.models.message import MessageCreate, MessageRead
+from langflow.services.database.models.message.model import MessageTable
+from langflow.services.deps import session_scope
+
+
+@pytest.fixture()
+def created_message():
+    with session_scope() as session:
+        message = MessageCreate(text="Test message", sender="User", sender_name="User", session_id="session_id")
+        messagetable = MessageTable.model_validate(message, from_attributes=True)
+        messagetables = add_messagetables([messagetable], session)
+        message_read = MessageRead.model_validate(messagetables[0], from_attributes=True)
+        return message_read
+
+
+@pytest.fixture()
+def created_messages(session):
+    with session_scope() as session:
+        messages = [
+            MessageCreate(text="Test message 1", sender="User", sender_name="User", session_id="session_id2"),
+            MessageCreate(text="Test message 2", sender="User", sender_name="User", session_id="session_id2"),
+            MessageCreate(text="Test message 3", sender="User", sender_name="User", session_id="session_id2"),
+        ]
+        messagetables = [MessageTable.model_validate(message, from_attributes=True) for message in messages]
+        messagetables = add_messagetables(messagetables, session)
+        messages_read = [
+            MessageRead.model_validate(messagetable, from_attributes=True) for messagetable in messagetables
+        ]
+        return messages_read
+
+
+def test_get_messages(session):
+    add_messages(Message(text="Test message 1", sender="User", sender_name="User", session_id="session_id2"))
+    add_messages(Message(text="Test message 2", sender="User", sender_name="User", session_id="session_id2"))
+    messages = get_messages(sender="User", session_id="session_id2", limit=2)
+    assert len(messages) == 2
+    assert messages[0].text == "Test message 1"
+    assert messages[1].text == "Test message 2"
+
+
+def test_add_messages(session):
+    message = Message(text="New Test message", sender="User", sender_name="User", session_id="new_session_id")
+    messages = add_messages(message)
+    assert len(messages) == 1
+    assert messages[0].text == "New Test message"
+
+
+def test_add_messagetables(session):
+    messages = [MessageTable(text="New Test message", sender="User", sender_name="User", session_id="new_session_id")]
+    added_messages = add_messagetables(messages, session)
+    assert len(added_messages) == 1
+    assert added_messages[0].text == "New Test message"
+
+
+def test_delete_messages(session):
+    session_id = "session_id2"
+    delete_messages(session_id)
+    messages = session.query(MessageTable).filter(MessageTable.session_id == session_id).all()
+    assert len(messages) == 0
+
+
+def test_store_message(session):
+    message = Message(text="Stored message", sender="User", sender_name="User", session_id="stored_session_id")
+    stored_messages = store_message(message)
+    assert len(stored_messages) == 1
+    assert stored_messages[0].text == "Stored message"