[add] multimodal

api/app/services/app_chat_service.py

@@ -3,7 +3,7 @@ import asyncio
 import json
 import time
 import uuid
-from typing import Optional, Dict, Any, AsyncGenerator, Annotated
+from typing import Optional, Dict, Any, AsyncGenerator, Annotated, List
 
 from fastapi import Depends
 from sqlalchemy.orm import Session
@@ -15,6 +15,7 @@ from app.core.logging_config import get_business_logger
 from app.db import get_db, get_db_context
 from app.models import MultiAgentConfig, AgentConfig, WorkflowConfig
 from app.schemas import DraftRunRequest
+from app.schemas.app_schema import FileInput
 from app.services.tool_service import ToolService
 from app.repositories.tool_repository import ToolRepository
 from app.db import get_db
@@ -26,6 +27,7 @@ from app.services.draft_run_service import create_web_search_tool
 from app.services.model_service import ModelApiKeyService
 from app.services.multi_agent_orchestrator import MultiAgentOrchestrator
 from app.services.workflow_service import WorkflowService
+from app.services.multimodal_service import MultimodalService
 
 logger = get_business_logger()
 
@@ -48,7 +50,8 @@ class AppChatService:
             memory: bool = True,
             storage_type: Optional[str] = None,
             user_rag_memory_id: Optional[str] = None,
-            workspace_id: Optional[str] = None
+            workspace_id: Optional[str] = None,
+            files: Optional[List[FileInput]] = None  # 新增：多模态文件
     ) -> Dict[str, Any]:
         """聊天（非流式）"""
 
@@ -155,7 +158,14 @@ class AppChatService:
                 for msg in messages
             ]
 
-        # 调用 Agent
+        # 处理多模态文件
+        processed_files = None
+        if files:
+            multimodal_service = MultimodalService(self.db)
+            processed_files = await multimodal_service.process_files(files)
+            logger.info(f"处理了 {len(processed_files)} 个文件")
+
+        # 调用 Agent（支持多模态）
         result = await agent.chat(
             message=message,
             history=history,
@@ -164,7 +174,8 @@ class AppChatService:
             storage_type=storage_type,
             user_rag_memory_id=user_rag_memory_id,
             config_id=config_id,
-            memory_flag=memory_flag
+            memory_flag=memory_flag,
+            files=processed_files  # 传递处理后的文件
         )
 
         # 保存消息
@@ -199,6 +210,7 @@ class AppChatService:
             storage_type: Optional[str] = None,
             user_rag_memory_id: Optional[str] = None,
             workspace_id: Optional[str] = None,
+            files: Optional[List[FileInput]] = None  # 新增：多模态文件
     ) -> AsyncGenerator[str, None]:
         """聊天（流式）"""
 
@@ -305,10 +317,17 @@ class AppChatService:
                     for msg in messages
                 ]
 
+            # 处理多模态文件
+            processed_files = None
+            if files:
+                multimodal_service = MultimodalService(self.db)
+                processed_files = await multimodal_service.process_files(files)
+                logger.info(f"处理了 {len(processed_files)} 个文件")
+
             # 发送开始事件
             yield f"event: start\ndata: {json.dumps({'conversation_id': str(conversation_id)}, ensure_ascii=False)}\n\n"
 
-            # 流式调用 Agent
+            # 流式调用 Agent（支持多模态）
             full_content = ""
             async for chunk in agent.chat_stream(
                     message=message,
@@ -318,7 +337,8 @@ class AppChatService:
                     storage_type=storage_type,
                     user_rag_memory_id=user_rag_memory_id,
                     config_id=config_id,
-                    memory_flag=memory_flag
+                    memory_flag=memory_flag,
+                    files=processed_files  # 传递处理后的文件
             ):
                 full_content += chunk
                 # 发送消息块事件