289 lines
9.6 KiB
Python
289 lines
9.6 KiB
Python
"""
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Commands Router - 指令管理接口
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API endpoints for sending commands / messages to devices and viewing command history.
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"""
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import math
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from fastapi import APIRouter, Depends, HTTPException, Query
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from pydantic import BaseModel, Field
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.database import get_db
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from app.schemas import (
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APIResponse,
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CommandResponse,
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PaginatedList,
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)
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from app.services import command_service, device_service
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router = APIRouter(prefix="/api/commands", tags=["Commands / 指令管理"])
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# ---------------------------------------------------------------------------
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# Request schemas specific to this router
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# ---------------------------------------------------------------------------
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class SendCommandRequest(BaseModel):
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"""Request body for sending a command to a device."""
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device_id: int | None = Field(None, description="设备ID / Device ID (provide device_id or imei)")
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imei: str | None = Field(None, description="IMEI号 / IMEI number (provide device_id or imei)")
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command_type: str = Field(..., max_length=30, description="指令类型 / Command type")
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command_content: str = Field(..., description="指令内容 / Command content")
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class SendMessageRequest(BaseModel):
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"""Request body for sending a message (0x82) to a device."""
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device_id: int | None = Field(None, description="设备ID / Device ID (provide device_id or imei)")
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imei: str | None = Field(None, description="IMEI号 / IMEI number (provide device_id or imei)")
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message: str = Field(..., max_length=500, description="消息内容 / Message content")
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class SendTTSRequest(BaseModel):
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"""Request body for sending a TTS voice broadcast to a device."""
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device_id: int | None = Field(None, description="设备ID / Device ID (provide device_id or imei)")
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imei: str | None = Field(None, description="IMEI号 / IMEI number (provide device_id or imei)")
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text: str = Field(..., min_length=1, max_length=200, description="语音播报文本 / TTS text content")
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# ---------------------------------------------------------------------------
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# Helper
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# ---------------------------------------------------------------------------
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async def _resolve_device(
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db: AsyncSession,
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device_id: int | None,
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imei: str | None,
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):
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"""Resolve a device from either device_id or imei. Returns the Device ORM instance."""
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if device_id is None and imei is None:
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raise HTTPException(
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status_code=400,
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detail="Either device_id or imei must be provided / 必须提供 device_id 或 imei",
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)
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if device_id is not None:
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device = await device_service.get_device(db, device_id)
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else:
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device = await device_service.get_device_by_imei(db, imei)
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if device is None:
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identifier = f"ID={device_id}" if device_id else f"IMEI={imei}"
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raise HTTPException(
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status_code=404,
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detail=f"Device {identifier} not found / 未找到设备 {identifier}",
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)
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return device
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# ---------------------------------------------------------------------------
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# Endpoints
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# ---------------------------------------------------------------------------
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@router.get(
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"",
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response_model=APIResponse[PaginatedList[CommandResponse]],
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summary="获取指令历史 / List command history",
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)
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async def list_commands(
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device_id: int | None = Query(default=None, description="设备ID / Device ID"),
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status: str | None = Query(default=None, description="指令状态 / Command status (pending/sent/success/failed)"),
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page: int = Query(default=1, ge=1, description="页码 / Page number"),
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page_size: int = Query(default=20, ge=1, le=100, description="每页数量 / Items per page"),
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db: AsyncSession = Depends(get_db),
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):
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"""
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获取指令历史记录，支持按设备和状态过滤。
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List command history with optional device and status filters.
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"""
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commands, total = await command_service.get_commands(
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db, device_id=device_id, status=status, page=page, page_size=page_size
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)
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return APIResponse(
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data=PaginatedList(
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items=[CommandResponse.model_validate(c) for c in commands],
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total=total,
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page=page,
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page_size=page_size,
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total_pages=math.ceil(total / page_size) if total else 0,
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)
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)
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@router.post(
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"/send",
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response_model=APIResponse[CommandResponse],
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status_code=201,
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summary="发送指令 / Send command to device",
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)
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async def send_command(body: SendCommandRequest, db: AsyncSession = Depends(get_db)):
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"""
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向设备发送指令（通过TCP连接下发）。
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Send a command to a device via the TCP connection.
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Requires the device to be online.
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"""
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device = await _resolve_device(db, body.device_id, body.imei)
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# Import tcp_manager lazily to avoid circular imports
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from app.tcp_server import tcp_manager
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# Check if device is connected
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if device.imei not in tcp_manager.connections:
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raise HTTPException(
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status_code=400,
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detail=f"Device {device.imei} is not online / 设备 {device.imei} 不在线",
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)
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# Create command log entry
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command_log = await command_service.create_command(
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db,
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device_id=device.id,
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command_type=body.command_type,
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command_content=body.command_content,
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)
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# Send command via TCP
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try:
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await tcp_manager.send_command(
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device.imei, body.command_type, body.command_content
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)
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except Exception as e:
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command_log.status = "failed"
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await db.flush()
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await db.refresh(command_log)
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raise HTTPException(
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status_code=500,
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detail=f"Failed to send command / 指令发送失败: {str(e)}",
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)
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command_log.status = "sent"
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await db.flush()
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await db.refresh(command_log)
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return APIResponse(
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message="Command sent successfully / 指令发送成功",
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data=CommandResponse.model_validate(command_log),
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)
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@router.post(
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"/message",
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response_model=APIResponse[CommandResponse],
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status_code=201,
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summary="发送留言 / Send message to device (0x82)",
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)
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async def send_message(body: SendMessageRequest, db: AsyncSession = Depends(get_db)):
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"""
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向设备发送留言消息（协议号 0x82）。
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Send a text message to a device using protocol 0x82.
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"""
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device = await _resolve_device(db, body.device_id, body.imei)
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from app.tcp_server import tcp_manager
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if device.imei not in tcp_manager.connections:
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raise HTTPException(
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status_code=400,
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detail=f"Device {device.imei} is not online / 设备 {device.imei} 不在线",
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)
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# Create command log for the message
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command_log = await command_service.create_command(
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db,
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device_id=device.id,
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command_type="message",
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command_content=body.message,
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)
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try:
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await tcp_manager.send_message(device.imei, body.message)
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except Exception as e:
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command_log.status = "failed"
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await db.flush()
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await db.refresh(command_log)
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raise HTTPException(
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status_code=500,
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detail=f"Failed to send message / 留言发送失败: {str(e)}",
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)
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command_log.status = "sent"
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await db.flush()
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await db.refresh(command_log)
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return APIResponse(
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message="Message sent successfully / 留言发送成功",
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data=CommandResponse.model_validate(command_log),
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)
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@router.post(
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"/tts",
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response_model=APIResponse[CommandResponse],
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status_code=201,
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summary="语音下发 / Send TTS voice broadcast to device",
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)
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async def send_tts(body: SendTTSRequest, db: AsyncSession = Depends(get_db)):
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"""
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向设备发送 TTS 语音播报（通过 0x80 在线指令，TTS 命令格式）。
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Send a TTS voice broadcast to a device via online command (0x80).
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The device will use its built-in TTS engine to speak the text aloud.
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"""
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device = await _resolve_device(db, body.device_id, body.imei)
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from app.tcp_server import tcp_manager
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if device.imei not in tcp_manager.connections:
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raise HTTPException(
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status_code=400,
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detail=f"Device {device.imei} is not online / 设备 {device.imei} 不在线",
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)
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tts_command = f"TTS,{body.text}"
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# Create command log entry
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command_log = await command_service.create_command(
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db,
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device_id=device.id,
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command_type="tts",
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command_content=tts_command,
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)
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try:
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await tcp_manager.send_command(device.imei, "tts", tts_command)
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except Exception as e:
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command_log.status = "failed"
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await db.flush()
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await db.refresh(command_log)
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raise HTTPException(
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status_code=500,
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detail=f"Failed to send TTS / 语音下发失败: {str(e)}",
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)
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command_log.status = "sent"
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await db.flush()
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await db.refresh(command_log)
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return APIResponse(
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message="TTS sent successfully / 语音下发成功",
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data=CommandResponse.model_validate(command_log),
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)
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@router.get(
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"/{command_id}",
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response_model=APIResponse[CommandResponse],
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summary="获取指令详情 / Get command details",
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)
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async def get_command(command_id: int, db: AsyncSession = Depends(get_db)):
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"""
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按ID获取指令详情。
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Get command log details by ID.
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"""
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command = await command_service.get_command(db, command_id)
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if command is None:
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raise HTTPException(status_code=404, detail=f"Command {command_id} not found / 未找到指令{command_id}")
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return APIResponse(data=CommandResponse.model_validate(command))
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