初始化
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ZZX9599
251
service/device_service.py
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251
service/device_service.py
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import json
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from fastapi import HTTPException, Query, APIRouter, Depends, Request
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from mysql.connector import Error as MySQLError
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from ds.config import LIVE_CONFIG
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from ds.db import db
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from middle.auth_middleware import get_current_user
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# 注意：导入的Schema已更新字段
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from schema.device_schema import (
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DeviceCreateRequest,
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DeviceResponse,
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DeviceListResponse,
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md5_encrypt
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)
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from schema.response_schema import APIResponse
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from schema.user_schema import UserResponse
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router = APIRouter(
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prefix="/devices",
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tags=["设备管理"]
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)
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# ------------------------------
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# 1. 创建设备信息
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# ------------------------------
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@router.post("/add", response_model=APIResponse, summary="创建设备信息")
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async def create_device(request: Request, device_data: DeviceCreateRequest):
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conn = None
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cursor = None
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try:
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conn = db.get_connection()
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cursor = conn.cursor(dictionary=True)
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# 新增：检查client_ip是否已存在
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cursor.execute("SELECT id FROM devices WHERE client_ip = %s", (device_data.ip,))
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existing_device = cursor.fetchone()
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if existing_device:
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raise Exception(f"客户端IP {device_data.ip} 已存在，无法重复添加")
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# 获取RTMP URL
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rtmp_url = str(LIVE_CONFIG.get("rtmp_url", ""))
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webrtc_url = str(LIVE_CONFIG.get("webrtc_url", ""))
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# 将设备详细信息（params）转换为JSON字符串（对应表中params字段）
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device_params_json = json.dumps(device_data.params) if device_data.params else None
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# 对JSON字符串进行MD5加密（用于生成唯一RTMP地址）
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device_md5 = md5_encrypt(device_params_json) if device_params_json else ""
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# 解析User-Agent获取设备类型
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user_agent = request.headers.get("User-Agent", "").lower()
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# 优先处理User-Agent为default的情况
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if user_agent == "default":
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# 检查params中是否存在os键
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if device_data.params and isinstance(device_data.params, dict) and "os" in device_data.params:
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device_type = device_data.params["os"]
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else:
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device_type = "unknown"
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elif "windows" in user_agent:
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device_type = "windows"
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elif "android" in user_agent:
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device_type = "android"
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elif "linux" in user_agent:
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device_type = "linux"
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else:
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device_type = "unknown"
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# SQL字段对齐表结构
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insert_query = """
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INSERT INTO devices
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(client_ip, hostname, rtmp_push_url, live_webrtc_url, detection_webrtc_url,
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device_online_status, device_type, alarm_count, params)
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VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s)
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"""
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cursor.execute(insert_query, (
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device_data.ip,
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device_data.hostname,
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rtmp_url + device_md5,
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webrtc_url + device_md5,
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"",
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1,
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device_type,
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0,
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device_params_json
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))
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conn.commit()
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# 获取刚创建的设备信息
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device_id = cursor.lastrowid
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cursor.execute("SELECT * FROM devices WHERE id = %s", (device_id,))
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device = cursor.fetchone()
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return APIResponse(
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code=200,
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message="设备创建成功",
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data=DeviceResponse(**device)
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)
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except MySQLError as e:
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if conn:
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conn.rollback()
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raise Exception(f"创建设备失败：{str(e)}") from e
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except json.JSONDecodeError as e:
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raise Exception(f"设备信息JSON序列化失败：{str(e)}") from e
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except Exception as e:
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# 捕获IP已存在的自定义异常
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if conn:
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conn.rollback()
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raise e
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finally:
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db.close_connection(conn, cursor)
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# ------------------------------
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# 2. 获取设备列表
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# ------------------------------
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@router.get("/", response_model=APIResponse, summary="获取设备列表")
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async def get_device_list(
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page: int = Query(1, ge=1, description="页码"),
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page_size: int = Query(10, ge=1, le=100, description="每页条数"),
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device_type: str = Query(None, description="设备类型筛选"),
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online_status: int = Query(None, ge=0, le=1, description="在线状态筛选（1-在线、0-离线）")
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):
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conn = None
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cursor = None
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try:
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conn = db.get_connection()
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cursor = conn.cursor(dictionary=True)
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# 构建查询条件
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where_clause = []
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params = []
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if device_type:
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where_clause.append("device_type = %s")
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params.append(device_type)
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if online_status is not None:
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where_clause.append("device_online_status = %s")
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params.append(online_status)
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# 总条数查询
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count_query = "SELECT COUNT(*) as total FROM devices"
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if where_clause:
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count_query += " WHERE " + " AND ".join(where_clause)
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cursor.execute(count_query, params)
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total = cursor.fetchone()["total"]
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# 分页查询（SELECT * 会自动匹配表字段、响应模型已对齐）
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offset = (page - 1) * page_size
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query = "SELECT * FROM devices"
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if where_clause:
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query += " WHERE " + " AND ".join(where_clause)
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query += " ORDER BY id DESC LIMIT %s OFFSET %s"
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params.extend([page_size, offset])
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cursor.execute(query, params)
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devices = cursor.fetchall()
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# 响应模型已更新为params字段、直接转换即可
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device_list = [DeviceResponse(**device) for device in devices]
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return APIResponse(
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code=200,
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message="获取设备列表成功",
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data=DeviceListResponse(total=total, devices=device_list)
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)
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except MySQLError as e:
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raise Exception(f"获取设备列表失败：{str(e)}") from e
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finally:
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db.close_connection(conn, cursor)
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# ------------------------------
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# 3. 获取单个设备详情
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# ------------------------------
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@router.get("/{device_id}", response_model=APIResponse, summary="获取设备详情")
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async def get_device_detail(
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device_id: int,
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current_user: UserResponse = Depends(get_current_user)
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):
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conn = None
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cursor = None
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try:
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conn = db.get_connection()
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cursor = conn.cursor(dictionary=True)
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# 查询设备信息（SELECT * 匹配表字段）
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query = "SELECT * FROM devices WHERE id = %s"
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cursor.execute(query, (device_id,))
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device = cursor.fetchone()
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if not device:
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raise HTTPException(
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status_code=404,
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detail=f"设备ID为 {device_id} 的设备不存在"
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)
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# 响应模型已更新为params字段
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return APIResponse(
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code=200,
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message="获取设备详情成功",
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data=DeviceResponse(**device)
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)
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except MySQLError as e:
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raise Exception(f"获取设备详情失败：{str(e)}") from e
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finally:
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db.close_connection(conn, cursor)
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# ------------------------------
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# 4. 删除设备信息
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# ------------------------------
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@router.delete("/{device_id}", response_model=APIResponse, summary="删除设备信息")
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async def delete_device(
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device_id: int,
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current_user: UserResponse = Depends(get_current_user)
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):
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conn = None
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cursor = None
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try:
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conn = db.get_connection()
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cursor = conn.cursor(dictionary=True)
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# 检查设备是否存在
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cursor.execute("SELECT id FROM devices WHERE id = %s", (device_id,))
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if not cursor.fetchone():
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raise HTTPException(
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status_code=404,
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detail=f"设备ID为 {device_id} 的设备不存在"
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)
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# 执行删除
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delete_query = "DELETE FROM devices WHERE id = %s"
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cursor.execute(delete_query, (device_id,))
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conn.commit()
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return APIResponse(
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code=200,
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message=f"设备ID为 {device_id} 的设备已成功删除",
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data=None
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)
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except MySQLError as e:
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if conn:
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conn.rollback()
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raise Exception(f"删除设备失败：{str(e)}") from e
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finally:
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db.close_connection(conn, cursor)
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