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"""
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pip install fastapi uvicorn aiomysql
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"""
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import uvicorn
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from fastapi import FastAPI, HTTPException
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from pydantic import BaseModel
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from Util.MySQLUtil import *
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"""
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API文档访问： http://localhost:8000/docs
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该实现包含以下功能：
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- 知识库(t_ai_kb)的增删改查接口
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- 知识库文件(t_ai_kb_files)的增删改查接口
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- 使用MySQLUtil.py中的连接池管理
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- 自动生成的Swagger文档
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"""
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app = FastAPI()
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# 知识库模型
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class KbModel(BaseModel):
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kb_name: str
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short_name: str
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is_delete: Optional[int] = 0
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# 知识库文件模型
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class KbFileModel(BaseModel):
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file_name: str
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ext_name: str
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kb_id: int
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is_delete: Optional[int] = 0
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state: Optional[int] = 0
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@app.on_event("startup")
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async def startup_event():
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app.state.mysql_pool = await init_mysql_pool()
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@app.on_event("shutdown")
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async def shutdown_event():
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app.state.mysql_pool.close()
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await app.state.mysql_pool.wait_closed()
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# 知识库CRUD接口
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@app.post("/kb")
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async def create_kb(kb: KbModel):
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async with app.state.mysql_pool.acquire() as conn:
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async with conn.cursor() as cur:
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await cur.execute(
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"""INSERT INTO t_ai_kb (kb_name, short_name, is_delete)
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VALUES (%s, %s, %s)""",
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(kb.kb_name, kb.short_name, kb.is_delete)
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)
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await conn.commit()
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return {"id": cur.lastrowid}
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@app.get("/kb/{kb_id}")
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async def read_kb(kb_id: int):
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async with app.state.mysql_pool.acquire() as conn:
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async with conn.cursor(DictCursor) as cur:
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await cur.execute("SELECT * FROM t_ai_kb WHERE id = %s", (kb_id,))
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result = await cur.fetchone()
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if not result:
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raise HTTPException(status_code=404, detail="Knowledge base not found")
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return result
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@app.put("/kb/{kb_id}")
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async def update_kb(kb_id: int, kb: KbModel):
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async with app.state.mysql_pool.acquire() as conn:
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async with conn.cursor() as cur:
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await cur.execute(
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"""UPDATE t_ai_kb
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SET kb_name = %s, short_name = %s, is_delete = %s
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WHERE id = %s""",
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(kb.kb_name, kb.short_name, kb.is_delete, kb_id)
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)
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await conn.commit()
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return {"message": "Knowledge base updated"}
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@app.delete("/kb/{kb_id}")
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async def delete_kb(kb_id: int):
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async with app.state.mysql_pool.acquire() as conn:
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async with conn.cursor() as cur:
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await cur.execute("DELETE FROM t_ai_kb WHERE id = %s", (kb_id,))
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await conn.commit()
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return {"message": "Knowledge base deleted"}
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# 知识库文件CRUD接口
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@app.post("/kb_files")
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async def create_kb_file(file: KbFileModel):
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async with app.state.mysql_pool.acquire() as conn:
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async with conn.cursor() as cur:
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await cur.execute(
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"""INSERT INTO t_ai_kb_files
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(file_name, ext_name, kb_id, is_delete, state)
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VALUES (%s, %s, %s, %s, %s)""",
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(file.file_name, file.ext_name, file.kb_id, file.is_delete, file.state)
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)
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await conn.commit()
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return {"id": cur.lastrowid}
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@app.get("/kb_files/{file_id}")
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async def read_kb_file(file_id: int):
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async with app.state.mysql_pool.acquire() as conn:
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async with conn.cursor(DictCursor) as cur:
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await cur.execute("SELECT * FROM t_ai_kb_files WHERE id = %s", (file_id,))
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result = await cur.fetchone()
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if not result:
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raise HTTPException(status_code=404, detail="File not found")
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return result
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@app.put("/kb_files/{file_id}")
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async def update_kb_file(file_id: int, file: KbFileModel):
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async with app.state.mysql_pool.acquire() as conn:
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async with conn.cursor() as cur:
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await cur.execute(
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"""UPDATE t_ai_kb_files
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SET file_name = %s, ext_name = %s, kb_id = %s,
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is_delete = %s, state = %s
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WHERE id = %s""",
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(file.file_name, file.ext_name, file.kb_id,
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file.is_delete, file.state, file_id)
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)
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await conn.commit()
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return {"message": "File updated"}
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@app.delete("/kb_files/{file_id}")
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async def delete_kb_file(file_id: int):
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async with app.state.mysql_pool.acquire() as conn:
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async with conn.cursor() as cur:
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await cur.execute("DELETE FROM t_ai_kb_files WHERE id = %s", (file_id,))
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await conn.commit()
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return {"message": "File deleted"}
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if __name__ == "__main__":
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uvicorn.run(app, host="0.0.0.0", port=8000) |
