Add backend api and engine

api/app/routers/assistants.py

@@ -0,0 +1,157 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from typing import List
+import uuid
+from datetime import datetime
+
+from ..db import get_db
+from ..models import Assistant, Voice, Workflow
+from ..schemas import (
+    AssistantCreate, AssistantUpdate, AssistantOut,
+    VoiceOut,
+    WorkflowCreate, WorkflowUpdate, WorkflowOut
+)
+
+router = APIRouter()
+
+
+# ============ Voices ============
+@router.get("/voices", response_model=List[VoiceOut])
+def list_voices(db: Session = Depends(get_db)):
+    """获取声音库列表"""
+    voices = db.query(Voice).all()
+    return voices
+
+
+# ============ Assistants ============
+@router.get("/assistants")
+def list_assistants(
+    page: int = 1,
+    limit: int = 50,
+    db: Session = Depends(get_db)
+):
+    """获取助手列表"""
+    query = db.query(Assistant)
+    total = query.count()
+    assistants = query.order_by(Assistant.created_at.desc()) \
+        .offset((page-1)*limit).limit(limit).all()
+    return {"total": total, "page": page, "limit": limit, "list": assistants}
+
+
+@router.get("/assistants/{id}", response_model=AssistantOut)
+def get_assistant(id: str, db: Session = Depends(get_db)):
+    """获取单个助手详情"""
+    assistant = db.query(Assistant).filter(Assistant.id == id).first()
+    if not assistant:
+        raise HTTPException(status_code=404, detail="Assistant not found")
+    return assistant
+
+
+@router.post("/assistants", response_model=AssistantOut)
+def create_assistant(data: AssistantCreate, db: Session = Depends(get_db)):
+    """创建新助手"""
+    assistant = Assistant(
+        id=str(uuid.uuid4())[:8],
+        user_id=1,  # 默认用户，后续添加认证
+        name=data.name,
+        opener=data.opener,
+        prompt=data.prompt,
+        knowledge_base_id=data.knowledgeBaseId,
+        language=data.language,
+        voice=data.voice,
+        speed=data.speed,
+        hotwords=data.hotwords,
+        tools=data.tools,
+        interruption_sensitivity=data.interruptionSensitivity,
+        config_mode=data.configMode,
+        api_url=data.apiUrl,
+        api_key=data.apiKey,
+    )
+    db.add(assistant)
+    db.commit()
+    db.refresh(assistant)
+    return assistant
+
+
+@router.put("/assistants/{id}")
+def update_assistant(id: str, data: AssistantUpdate, db: Session = Depends(get_db)):
+    """更新助手"""
+    assistant = db.query(Assistant).filter(Assistant.id == id).first()
+    if not assistant:
+        raise HTTPException(status_code=404, detail="Assistant not found")
+    
+    update_data = data.model_dump(exclude_unset=True)
+    for field, value in update_data.items():
+        setattr(assistant, field, value)
+    
+    assistant.updated_at = datetime.utcnow()
+    db.commit()
+    db.refresh(assistant)
+    return assistant
+
+
+@router.delete("/assistants/{id}")
+def delete_assistant(id: str, db: Session = Depends(get_db)):
+    """删除助手"""
+    assistant = db.query(Assistant).filter(Assistant.id == id).first()
+    if not assistant:
+        raise HTTPException(status_code=404, detail="Assistant not found")
+    db.delete(assistant)
+    db.commit()
+    return {"message": "Deleted successfully"}
+
+
+# ============ Workflows ============
+@router.get("/workflows", response_model=List[WorkflowOut])
+def list_workflows(db: Session = Depends(get_db)):
+    """获取工作流列表"""
+    workflows = db.query(Workflow).all()
+    return workflows
+
+
+@router.post("/workflows", response_model=WorkflowOut)
+def create_workflow(data: WorkflowCreate, db: Session = Depends(get_db)):
+    """创建工作流"""
+    workflow = Workflow(
+        id=str(uuid.uuid4())[:8],
+        user_id=1,
+        name=data.name,
+        node_count=data.nodeCount,
+        created_at=data.createdAt or datetime.utcnow().isoformat(),
+        updated_at=data.updatedAt or "",
+        global_prompt=data.globalPrompt,
+        nodes=data.nodes,
+        edges=data.edges,
+    )
+    db.add(workflow)
+    db.commit()
+    db.refresh(workflow)
+    return workflow
+
+
+@router.put("/workflows/{id}", response_model=WorkflowOut)
+def update_workflow(id: str, data: WorkflowUpdate, db: Session = Depends(get_db)):
+    """更新工作流"""
+    workflow = db.query(Workflow).filter(Workflow.id == id).first()
+    if not workflow:
+        raise HTTPException(status_code=404, detail="Workflow not found")
+    
+    update_data = data.model_dump(exclude_unset=True)
+    for field, value in update_data.items():
+        setattr(workflow, field, value)
+    
+    workflow.updated_at = datetime.utcnow().isoformat()
+    db.commit()
+    db.refresh(workflow)
+    return workflow
+
+
+@router.delete("/workflows/{id}")
+def delete_workflow(id: str, db: Session = Depends(get_db)):
+    """删除工作流"""
+    workflow = db.query(Workflow).filter(Workflow.id == id).first()
+    if not workflow:
+        raise HTTPException(status_code=404, detail="Workflow not found")
+    db.delete(workflow)
+    db.commit()
+    return {"message": "Deleted successfully"}