523 lines
18 KiB
Python
523 lines
18 KiB
Python
"""
|
|
Workflow routes for the backend API.
|
|
Implements the endpoints for workflow management according to the state machine.
|
|
"""
|
|
|
|
import os
|
|
import json
|
|
import logging
|
|
from typing import List, Dict, Any, Optional
|
|
from fastapi import APIRouter, HTTPException, Depends, Body, Path, Query, Response, status, Request
|
|
from fastapi.responses import HTMLResponse, RedirectResponse, JSONResponse
|
|
from datetime import datetime, timedelta
|
|
|
|
# Import auth modules
|
|
from modules.security.auth import limiter, getCurrentUser
|
|
|
|
# Import interfaces
|
|
import modules.interfaces.serviceChatClass as serviceChatClass
|
|
from modules.interfaces.serviceChatClass import getInterface
|
|
|
|
# Import workflow manager
|
|
from modules.workflow.workflowManager import getWorkflowManager
|
|
|
|
# Import models
|
|
from modules.interfaces.serviceChatModel import (
|
|
ChatWorkflow,
|
|
ChatMessage,
|
|
ChatLog,
|
|
ChatStat,
|
|
ChatDocument,
|
|
UserInputRequest
|
|
)
|
|
from modules.shared.attributeUtils import getModelAttributeDefinitions
|
|
from modules.interfaces.serviceAppModel import User
|
|
|
|
# Configure logger
|
|
logger = logging.getLogger(__name__)
|
|
|
|
# Model attributes for ChatWorkflow
|
|
workflowAttributes = getModelAttributeDefinitions(ChatWorkflow)
|
|
|
|
# Create router for workflow endpoints
|
|
router = APIRouter(
|
|
prefix="/api/workflows",
|
|
tags=["Workflow"],
|
|
responses={404: {"description": "Not found"}}
|
|
)
|
|
|
|
def createServiceContainer(currentUser: Dict[str, Any]):
|
|
"""Create a service container with all required interfaces."""
|
|
# Get all interfaces
|
|
chatInterface = serviceChatClass.getInterface(currentUser)
|
|
|
|
# Create service container
|
|
service = type('ServiceContainer', (), {
|
|
'user': currentUser,
|
|
'functions': chatInterface
|
|
})
|
|
|
|
return service
|
|
|
|
# API Endpoint for getting all workflows
|
|
@router.get("/list", response_model=List[ChatWorkflow])
|
|
@limiter.limit("30/minute")
|
|
async def list_workflows(
|
|
request: Request,
|
|
currentUser: User = Depends(getCurrentUser)
|
|
) -> List[ChatWorkflow]:
|
|
"""List all workflows for the current user."""
|
|
try:
|
|
appInterface = getInterface(currentUser)
|
|
return appInterface.getAllWorkflows()
|
|
except Exception as e:
|
|
logger.error(f"Error listing workflows: {str(e)}")
|
|
raise HTTPException(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail=f"Failed to list workflows: {str(e)}"
|
|
)
|
|
|
|
# State 1: Workflow Initialization endpoint
|
|
@router.post("/start", response_model=ChatWorkflow)
|
|
@limiter.limit("10/minute")
|
|
async def start_workflow(
|
|
request: Request,
|
|
workflowId: Optional[str] = Query(None, description="Optional ID of the workflow to continue"),
|
|
userInput: UserInputRequest = Body(...),
|
|
currentUser: User = Depends(getCurrentUser)
|
|
) -> ChatWorkflow:
|
|
"""
|
|
Starts a new workflow or continues an existing one.
|
|
Corresponds to State 1 in the state machine documentation.
|
|
"""
|
|
try:
|
|
# Get service container
|
|
service = createServiceContainer(currentUser)
|
|
|
|
# Get workflow manager
|
|
workflowManager = await getWorkflowManager(service)
|
|
|
|
# Start or continue workflow
|
|
workflow = await workflowManager.workflowStart(userInput, workflowId)
|
|
|
|
return ChatWorkflow(**workflow)
|
|
|
|
except Exception as e:
|
|
logger.error(f"Error in start_workflow: {str(e)}")
|
|
raise HTTPException(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail=str(e)
|
|
)
|
|
|
|
# State 8: Workflow Stopped endpoint
|
|
@router.post("/{workflowId}/stop", response_model=ChatWorkflow)
|
|
@limiter.limit("10/minute")
|
|
async def stop_workflow(
|
|
request: Request,
|
|
workflowId: str = Path(..., description="ID of the workflow to stop"),
|
|
currentUser: User = Depends(getCurrentUser)
|
|
) -> ChatWorkflow:
|
|
"""Stops a running workflow."""
|
|
try:
|
|
# Get service container
|
|
service = createServiceContainer(currentUser)
|
|
|
|
# Get workflow manager
|
|
workflowManager = await getWorkflowManager(service)
|
|
|
|
# Stop workflow
|
|
workflow = await workflowManager.workflowStop(workflowId)
|
|
|
|
return ChatWorkflow(**workflow)
|
|
|
|
except Exception as e:
|
|
logger.error(f"Error in stop_workflow: {str(e)}")
|
|
raise HTTPException(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail=str(e)
|
|
)
|
|
|
|
# State 11: Workflow Reset/Deletion endpoint
|
|
@router.delete("/{workflowId}", response_model=Dict[str, Any])
|
|
@limiter.limit("10/minute")
|
|
async def delete_workflow(
|
|
request: Request,
|
|
workflowId: str = Path(..., description="ID of the workflow to delete"),
|
|
currentUser: User = Depends(getCurrentUser)
|
|
) -> Dict[str, Any]:
|
|
"""Deletes a workflow and its associated data."""
|
|
try:
|
|
# Get service container
|
|
service = createServiceContainer(currentUser)
|
|
|
|
# Verify workflow exists
|
|
workflow = service.base.getWorkflow(workflowId)
|
|
if not workflow:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_404_NOT_FOUND,
|
|
detail=f"Workflow with ID {workflowId} not found"
|
|
)
|
|
|
|
# Check if user has permission to delete
|
|
if workflow.get("_userId") != currentUser["id"]:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_403_FORBIDDEN,
|
|
detail="You don't have permission to delete this workflow"
|
|
)
|
|
|
|
# Delete workflow
|
|
success = service.base.deleteWorkflow(workflowId)
|
|
|
|
if not success:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail="Failed to delete workflow"
|
|
)
|
|
|
|
return {
|
|
"id": workflowId,
|
|
"message": "Workflow and associated data deleted successfully"
|
|
}
|
|
except HTTPException:
|
|
raise
|
|
except Exception as e:
|
|
logger.error(f"Error deleting workflow: {str(e)}", exc_info=True)
|
|
raise HTTPException(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail=f"Error deleting workflow: {str(e)}"
|
|
)
|
|
|
|
# API Endpoint for workflow status
|
|
@router.get("/{workflowId}/status", response_model=ChatWorkflow)
|
|
@limiter.limit("30/minute")
|
|
async def get_workflow_status(
|
|
request: Request,
|
|
workflowId: str = Path(..., description="ID of the workflow"),
|
|
currentUser: User = Depends(getCurrentUser)
|
|
) -> ChatWorkflow:
|
|
"""Get the current status of a workflow."""
|
|
try:
|
|
# Get service container
|
|
service = createServiceContainer(currentUser)
|
|
|
|
# Retrieve workflow
|
|
workflow = service.base.getWorkflow(workflowId)
|
|
if not workflow:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_404_NOT_FOUND,
|
|
detail=f"Workflow with ID {workflowId} not found"
|
|
)
|
|
|
|
return ChatWorkflow(**workflow)
|
|
except HTTPException:
|
|
raise
|
|
except Exception as e:
|
|
logger.error(f"Error getting workflow status: {str(e)}", exc_info=True)
|
|
raise HTTPException(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail=f"Error getting workflow status: {str(e)}"
|
|
)
|
|
|
|
# API Endpoint for workflow logs with selective data transfer
|
|
@router.get("/{workflowId}/logs", response_model=List[ChatLog])
|
|
@limiter.limit("30/minute")
|
|
async def get_workflow_logs(
|
|
request: Request,
|
|
workflowId: str = Path(..., description="ID of the workflow"),
|
|
logId: Optional[str] = Query(None, description="Optional log ID to get only newer logs"),
|
|
currentUser: User = Depends(getCurrentUser)
|
|
) -> List[ChatLog]:
|
|
"""Get logs for a workflow with support for selective data transfer."""
|
|
try:
|
|
# Get service container
|
|
service = createServiceContainer(currentUser)
|
|
|
|
# Verify workflow exists
|
|
workflow = service.base.getWorkflow(workflowId)
|
|
if not workflow:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_404_NOT_FOUND,
|
|
detail=f"Workflow with ID {workflowId} not found"
|
|
)
|
|
|
|
# Get all logs
|
|
allLogs = service.base.getWorkflowLogs(workflowId)
|
|
|
|
# Apply selective data transfer if logId is provided
|
|
if logId:
|
|
# Find the index of the log with the given ID
|
|
logIndex = next((i for i, log in enumerate(allLogs) if log.get("id") == logId), -1)
|
|
if logIndex >= 0:
|
|
# Return only logs after the specified log
|
|
return [ChatLog(**log) for log in allLogs[logIndex + 1:]]
|
|
|
|
return [ChatLog(**log) for log in allLogs]
|
|
except HTTPException:
|
|
raise
|
|
except Exception as e:
|
|
logger.error(f"Error getting workflow logs: {str(e)}", exc_info=True)
|
|
raise HTTPException(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail=f"Error getting workflow logs: {str(e)}"
|
|
)
|
|
|
|
# API Endpoint for workflow messages with selective data transfer
|
|
@router.get("/{workflowId}/messages", response_model=List[ChatMessage])
|
|
@limiter.limit("30/minute")
|
|
async def get_workflow_messages(
|
|
request: Request,
|
|
workflowId: str = Path(..., description="ID of the workflow"),
|
|
messageId: Optional[str] = Query(None, description="Optional message ID to get only newer messages"),
|
|
currentUser: User = Depends(getCurrentUser)
|
|
) -> List[ChatMessage]:
|
|
"""Get messages for a workflow with support for selective data transfer."""
|
|
try:
|
|
# Get service container
|
|
service = createServiceContainer(currentUser)
|
|
|
|
# Verify workflow exists
|
|
workflow = service.base.getWorkflow(workflowId)
|
|
if not workflow:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_404_NOT_FOUND,
|
|
detail=f"Workflow with ID {workflowId} not found"
|
|
)
|
|
|
|
# Get all messages
|
|
allMessages = service.base.getWorkflowMessages(workflowId)
|
|
|
|
# Apply selective data transfer if messageId is provided
|
|
if messageId:
|
|
# Find the index of the message with the given ID
|
|
messageIndex = next((i for i, msg in enumerate(allMessages) if msg.get("id") == messageId), -1)
|
|
if messageIndex >= 0:
|
|
# Return only messages after the specified message
|
|
return [ChatMessage(**msg) for msg in allMessages[messageIndex + 1:]]
|
|
|
|
return [ChatMessage(**msg) for msg in allMessages]
|
|
except HTTPException:
|
|
raise
|
|
except Exception as e:
|
|
logger.error(f"Error getting workflow messages: {str(e)}", exc_info=True)
|
|
raise HTTPException(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail=f"Error getting workflow messages: {str(e)}"
|
|
)
|
|
|
|
# Document Management Endpoints
|
|
|
|
@router.delete("/{workflowId}/messages/{messageId}", response_model=Dict[str, Any])
|
|
@limiter.limit("10/minute")
|
|
async def delete_workflow_message(
|
|
request: Request,
|
|
workflowId: str = Path(..., description="ID of the workflow"),
|
|
messageId: str = Path(..., description="ID of the message to delete"),
|
|
currentUser: User = Depends(getCurrentUser)
|
|
) -> Dict[str, Any]:
|
|
"""Delete a message from a workflow."""
|
|
try:
|
|
# Get service container
|
|
service = createServiceContainer(currentUser)
|
|
|
|
# Verify workflow exists
|
|
workflow = service.base.getWorkflow(workflowId)
|
|
if not workflow:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_404_NOT_FOUND,
|
|
detail=f"Workflow with ID {workflowId} not found"
|
|
)
|
|
|
|
# Delete the message
|
|
success = service.base.deleteWorkflowMessage(workflowId, messageId)
|
|
|
|
if not success:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_404_NOT_FOUND,
|
|
detail=f"Message with ID {messageId} not found in workflow {workflowId}"
|
|
)
|
|
|
|
# Update workflow's messageIds
|
|
messageIds = workflow.get("messageIds", [])
|
|
if messageId in messageIds:
|
|
messageIds.remove(messageId)
|
|
service.base.updateWorkflow(workflowId, {"messageIds": messageIds})
|
|
|
|
return {
|
|
"workflowId": workflowId,
|
|
"messageId": messageId,
|
|
"message": "Message deleted successfully"
|
|
}
|
|
except HTTPException:
|
|
raise
|
|
except Exception as e:
|
|
logger.error(f"Error deleting message: {str(e)}", exc_info=True)
|
|
raise HTTPException(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail=f"Error deleting message: {str(e)}"
|
|
)
|
|
|
|
@router.delete("/{workflowId}/messages/{messageId}/files/{fileId}", response_model=Dict[str, Any])
|
|
@limiter.limit("10/minute")
|
|
async def delete_file_from_message(
|
|
request: Request,
|
|
workflowId: str = Path(..., description="ID of the workflow"),
|
|
messageId: str = Path(..., description="ID of the message"),
|
|
fileId: str = Path(..., description="ID of the file to delete"),
|
|
currentUser: User = Depends(getCurrentUser)
|
|
) -> Dict[str, Any]:
|
|
"""Delete a file reference from a message in a workflow."""
|
|
try:
|
|
# Get service container
|
|
service = createServiceContainer(currentUser)
|
|
|
|
# Verify workflow exists
|
|
workflow = service.base.getWorkflow(workflowId)
|
|
if not workflow:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_404_NOT_FOUND,
|
|
detail=f"Workflow with ID {workflowId} not found"
|
|
)
|
|
|
|
# Delete file reference from message
|
|
success = service.base.deleteFileFromMessage(workflowId, messageId, fileId)
|
|
|
|
if not success:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_404_NOT_FOUND,
|
|
detail=f"File with ID {fileId} not found in message {messageId}"
|
|
)
|
|
|
|
return {
|
|
"workflowId": workflowId,
|
|
"messageId": messageId,
|
|
"fileId": fileId,
|
|
"message": "File reference deleted successfully"
|
|
}
|
|
except HTTPException:
|
|
raise
|
|
except Exception as e:
|
|
logger.error(f"Error deleting file reference: {str(e)}", exc_info=True)
|
|
raise HTTPException(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail=f"Error deleting file reference: {str(e)}"
|
|
)
|
|
|
|
# File preview and download routes
|
|
|
|
@router.get("/files/{fileId}/preview", response_model=ChatDocument)
|
|
@limiter.limit("30/minute")
|
|
async def preview_file(
|
|
request: Request,
|
|
fileId: str = Path(..., description="ID of the file to preview"),
|
|
currentUser: User = Depends(getCurrentUser)
|
|
) -> ChatDocument:
|
|
"""Preview a file's content."""
|
|
try:
|
|
# Get service container
|
|
service = createServiceContainer(currentUser)
|
|
|
|
# Get file document
|
|
document = service.base.getFileDocument(fileId)
|
|
if not document:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_404_NOT_FOUND,
|
|
detail=f"File with ID {fileId} not found"
|
|
)
|
|
|
|
return ChatDocument(**document)
|
|
except HTTPException:
|
|
raise
|
|
except Exception as e:
|
|
logger.error(f"Error previewing file: {str(e)}", exc_info=True)
|
|
raise HTTPException(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail=f"Error previewing file: {str(e)}"
|
|
)
|
|
|
|
@router.get("/files/{fileId}/download")
|
|
@limiter.limit("30/minute")
|
|
async def download_file(
|
|
request: Request,
|
|
fileId: str = Path(..., description="ID of the file to download"),
|
|
currentUser: User = Depends(getCurrentUser)
|
|
) -> Response:
|
|
"""Download a file."""
|
|
try:
|
|
# Get service container
|
|
service = createServiceContainer(currentUser)
|
|
|
|
# Get file data
|
|
fileInfo = service.base.downloadFile(fileId)
|
|
if not fileInfo:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_404_NOT_FOUND,
|
|
detail=f"File with ID {fileId} not found"
|
|
)
|
|
|
|
# Return file as response
|
|
return Response(
|
|
content=fileInfo["content"],
|
|
media_type=fileInfo["contentType"],
|
|
headers={
|
|
"Content-Disposition": f"attachment; filename={fileInfo['name']}"
|
|
}
|
|
)
|
|
except HTTPException:
|
|
raise
|
|
except Exception as e:
|
|
logger.error(f"Error downloading file: {str(e)}", exc_info=True)
|
|
raise HTTPException(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail=f"Error downloading file: {str(e)}"
|
|
)
|
|
|
|
@router.get("/workflows", response_model=List[ChatWorkflow])
|
|
@limiter.limit("30/minute")
|
|
async def get_workflows(
|
|
request: Request,
|
|
currentUser: User = Depends(getCurrentUser)
|
|
) -> List[ChatWorkflow]:
|
|
"""Get all workflows for current user"""
|
|
try:
|
|
# Get workflow interface with current user context
|
|
workflowInterface = getInterface(currentUser)
|
|
|
|
# Get workflows
|
|
workflows = workflowInterface.getWorkflows()
|
|
return workflows
|
|
|
|
except Exception as e:
|
|
logger.error(f"Error getting workflows: {str(e)}")
|
|
raise HTTPException(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail=f"Failed to get workflows: {str(e)}"
|
|
)
|
|
|
|
@router.get("/workflows/{workflow_id}", response_model=ChatWorkflow)
|
|
@limiter.limit("30/minute")
|
|
async def get_workflow(
|
|
request: Request,
|
|
workflow_id: str,
|
|
currentUser: User = Depends(getCurrentUser)
|
|
) -> ChatWorkflow:
|
|
"""Get workflow by ID"""
|
|
try:
|
|
# Get workflow interface with current user context
|
|
workflowInterface = getInterface(currentUser)
|
|
|
|
# Get workflow
|
|
workflow = workflowInterface.getWorkflow(workflow_id)
|
|
if not workflow:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_404_NOT_FOUND,
|
|
detail="Workflow not found"
|
|
)
|
|
|
|
return workflow
|
|
|
|
except Exception as e:
|
|
logger.error(f"Error getting workflow: {str(e)}")
|
|
raise HTTPException(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail=f"Failed to get workflow: {str(e)}"
|
|
)
|