459 lines
15 KiB
Python
459 lines
15 KiB
Python
import os
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import shutil
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import json
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import re
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from datetime import datetime
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from flask import Blueprint, jsonify, request
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from sqlalchemy import desc, or_
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from extensions import db
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from models import Device, DeviceHistory, MaintenanceLog
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# 尝试导入爬虫模块
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try:
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from services.core import execute_monitor_task
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except ImportError:
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execute_monitor_task = None
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api_bp = Blueprint('api', __name__, url_prefix='/api')
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# =======================
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# 0. 核心算法：数据质量分析 (含夜间免打扰)
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# =======================
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def check_data_quality(content_data, source_type, data_time_str=None):
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"""
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在后端快速分析数据质量
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:param content_data: 已解析的 JSON 对象 (Dict 或 String)
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:param source_type: 设备类型源字符串 (区分 106 或 82)
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:param data_time_str: 数据生成时间字符串 (用于判断是否为夜晚)
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:return: 'ok' | 'warning' | 'error'
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"""
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if not content_data:
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return 'ok'
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# --- [夜间免打扰逻辑] ---
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# 物理规律：晚上没有太阳，光谱仪数值低是正常的，不应报错。
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# 逻辑：只有在 08:00 - 17:00 之间才检查数值。
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if data_time_str and data_time_str != 'N/A':
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try:
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# 1. 格式清洗
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clean_time = str(data_time_str).replace('_', '-')
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# 2. 尝试解析时间
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dt = None
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try:
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dt = datetime.strptime(clean_time, "%Y-%m-%d %H:%M:%S")
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except ValueError:
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try:
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dt = datetime.strptime(clean_time, "%Y-%m-%d %H:%M")
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except ValueError:
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pass
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# 3. 如果解析成功，判断小时数
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if dt:
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start_hour = 8 # 早上 8 点
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end_hour = 17 # 下午 5 点
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# 如果当前时间 小于8点 或者 大于等于17点，视为夜晚，直接返回正常
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if dt.hour < start_hour or dt.hour >= end_hour:
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return 'ok'
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except Exception:
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pass
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# ---------------------------
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status = 'ok'
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source_str = str(source_type)
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# === 106 设备逻辑 (CSV 格式) ===
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if '106' in source_str:
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try:
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text_content = ""
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if isinstance(content_data, dict):
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text_content = content_data.get('content', str(content_data))
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else:
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text_content = str(content_data)
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lines = text_content.split('\n')
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for line in lines:
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if 'OSIFBeta' not in line: continue
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parts = line.split(',')
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if len(parts) < 10: continue
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try:
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int_time = int(parts[2])
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except:
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continue
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# 只有积分时间饱和 (>= 66534) 才检查数值
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if int_time >= 66534:
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data_points = []
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for p in parts[3:]:
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try:
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data_points.append(float(p))
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except:
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pass
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if not data_points: continue
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# 规则1：红色报错 (存在 < 100 的点)
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for val in data_points:
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if val < 100:
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return 'error'
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# 规则2：黄色警告 (连续 5 个点在 100-500 之间)
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consecutive_warning = 0
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for val in data_points:
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if 100 <= val <= 500:
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consecutive_warning += 1
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if consecutive_warning >= 5:
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status = 'warning'
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else:
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consecutive_warning = 0
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return status
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except Exception:
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return 'ok'
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# === 82 设备逻辑 (JSON 格式) ===
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else:
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try:
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if not isinstance(content_data, dict):
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return 'ok'
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specs = content_data.get('downspec', [])
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if not specs:
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specs = content_data.get('upspec', [])
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if not specs: return 'ok'
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consecutive_low = 0
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for val in specs:
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if not isinstance(val, (int, float)): continue
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if val < 500:
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consecutive_low += 1
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if consecutive_low >= 2:
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return 'error'
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else:
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consecutive_low = 0
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return 'ok'
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except Exception:
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return 'ok'
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# =======================
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# 1. 认证接口
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# =======================
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@api_bp.route('/login', methods=['POST'])
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def login():
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data = request.get_json()
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username = data.get('username')
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password = data.get('password')
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if username == 'admin' and password == 'licahk':
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return jsonify({
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'code': 200,
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'message': '登录成功',
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'token': 'super-admin-token-2026',
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'user': {'username': 'admin', 'role': 'administrator'}
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})
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return jsonify({'code': 401, 'message': '用户名或密码错误'}), 401
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# =======================
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# 2. 设备概览与详情接口
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# =======================
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@api_bp.route('/devices_overview', methods=['GET'])
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def devices_overview():
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try:
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devices = Device.query.all()
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data_list = []
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for d in devices:
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item = d.to_dict()
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parsed_content = None
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if d.json_data:
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try:
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parsed_content = json.loads(d.json_data)
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except:
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parsed_content = None
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# 传入 d.latest_time 以启用夜间判断
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quality_status = check_data_quality(parsed_content, d.source, d.latest_time)
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item['data_quality'] = quality_status
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data_list.append(item)
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return jsonify({'code': 200, 'data': data_list})
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except Exception as e:
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print(f"Overview Error: {e}")
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return jsonify({'code': 500, 'message': str(e)})
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@api_bp.route('/device_data_by_date', methods=['GET'])
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def device_data_by_date():
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name = request.args.get('name')
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date_str = request.args.get('date')
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if not name or not date_str:
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return jsonify({'code': 400, 'message': 'Missing name or date'}), 400
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device = Device.query.filter_by(name=name).first()
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if not device:
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return jsonify({'code': 404, 'message': 'Device not found'}), 404
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content = None
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history_record = DeviceHistory.query.filter(
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DeviceHistory.device_id == device.id,
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DeviceHistory.data_time.like(f"{date_str}%")
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).order_by(desc(DeviceHistory.id)).first()
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if history_record:
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content = history_record.json_data
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elif device.latest_time and device.latest_time.startswith(date_str):
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content = device.json_data
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if content:
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return jsonify({
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'code': 200,
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'name': device.name,
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'source': device.source,
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'content': content
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})
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return jsonify({'code': 404, 'message': 'No data for this date'}), 404
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# =======================
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# 3. 维修日志接口
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# =======================
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@api_bp.route('/logs/list', methods=['GET'])
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def get_logs():
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keyword = request.args.get('keyword', '')
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start_date = request.args.get('start_date')
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end_date = request.args.get('end_date')
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query = MaintenanceLog.query
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if keyword:
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kw = f"%{keyword}%"
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query = query.filter(or_(
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MaintenanceLog.device_name.like(kw),
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MaintenanceLog.engineer.like(kw),
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MaintenanceLog.location.like(kw),
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MaintenanceLog.content.like(kw)
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))
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if start_date and end_date:
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try:
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start_dt = datetime.strptime(start_date, '%Y-%m-%d')
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end_dt = datetime.strptime(end_date, '%Y-%m-%d').replace(hour=23, minute=59, second=59)
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query = query.filter(MaintenanceLog.timestamp.between(start_dt, end_dt))
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except ValueError:
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pass
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logs = query.order_by(MaintenanceLog.timestamp.desc()).all()
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return jsonify({'code': 200, 'data': [l.to_dict() for l in logs]})
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@api_bp.route('/logs/add', methods=['POST'])
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def add_log():
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data = request.get_json()
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try:
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new_log = MaintenanceLog(
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device_name=data.get('device_name', '未知设备'),
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engineer=data.get('engineer', ''),
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location=data.get('location', ''),
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content=data.get('content', '')
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)
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db.session.add(new_log)
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db.session.commit()
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return jsonify({'code': 200, 'message': 'Log saved'})
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except Exception as e:
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db.session.rollback()
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return jsonify({'code': 500, 'message': str(e)})
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@api_bp.route('/logs/update', methods=['POST'])
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def update_log():
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data = request.get_json()
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log_id = data.get('id')
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log = MaintenanceLog.query.get(log_id)
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if not log: return jsonify({'code': 404, 'message': 'Not found'}), 404
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try:
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log.device_name = data.get('device_name', log.device_name)
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log.engineer = data.get('engineer', log.engineer)
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log.location = data.get('location', log.location)
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log.content = data.get('content', log.content)
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db.session.commit()
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return jsonify({'code': 200, 'message': 'Log updated'})
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except Exception as e:
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db.session.rollback()
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return jsonify({'code': 500, 'message': str(e)})
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@api_bp.route('/logs/delete', methods=['POST'])
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def delete_log():
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data = request.get_json()
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log = MaintenanceLog.query.get(data.get('id'))
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if log:
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db.session.delete(log)
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db.session.commit()
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return jsonify({'code': 200, 'message': 'Deleted'})
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return jsonify({'code': 404, 'message': 'Not found'}), 404
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# =======================
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# 4. 辅助与控制接口
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# =======================
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def calculate_offset(latest_time_str):
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if not latest_time_str or latest_time_str == "N/A": return "从未同步"
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try:
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clean = str(latest_time_str).split()[0].replace('_', '-')
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target = datetime.strptime(clean, "%Y-%m-%d").date()
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diff = (datetime.now().date() - target).days
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return "当天已同步" if diff == 0 else f"滞后 {diff} 天"
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except:
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return "时间解析失败"
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@api_bp.route('/run_monitor', methods=['POST'])
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def run_monitor():
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try:
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if not execute_monitor_task:
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return jsonify({'code': 500, 'message': 'Core module missing'})
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task_result = execute_monitor_task()
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if not task_result: return jsonify({'code': 200, 'message': '任务跳过'})
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scraped_list = task_result.get('device_list', [])
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current_check_time = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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count = 0
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for item in scraped_list:
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d_name = item.get('name')
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if not d_name: continue
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d_raw = item.get('raw_json', {})
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source = item.get('source', '')
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target_time = item.get('target_time')
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if '106' in str(source):
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try:
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path_str = d_raw.get('path', '')
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match = re.search(r'/Data/(\d{4}_\d{2}_\d{2})/\w+_(\d{2}_\d{2}_\d{2})\.csv', path_str)
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if match:
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target_time = f"{match.group(1).replace('_', '-')} {match.group(2).replace('_', ':')}"
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except:
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pass
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json_str = json.dumps(d_raw, ensure_ascii=False) if isinstance(d_raw, (dict, list)) else str(d_raw)
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device = Device.query.filter_by(name=d_name).first()
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if not device:
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device = Device(name=d_name, source=source, install_site="")
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db.session.add(device)
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db.session.flush()
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device.status = item.get('status')
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device.current_value = item.get('value')
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device.latest_time = target_time
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device.check_time = current_check_time
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device.json_data = json_str
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device.offset = calculate_offset(target_time)
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new_history = DeviceHistory(
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device_id=device.id,
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status=item.get('status'),
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result_data=item.get('value'),
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data_time=target_time,
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json_data=json_str
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)
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db.session.add(new_history)
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count += 1
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db.session.commit()
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return jsonify({'code': 200, 'message': f'成功更新 {count} 台设备，资料已保留'})
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except Exception as e:
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db.session.rollback()
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return jsonify({'code': 500, 'message': str(e)})
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@api_bp.route('/update_site', methods=['POST'])
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def update_site():
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data = request.get_json()
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device = Device.query.filter_by(name=data.get('name')).first()
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if device:
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device.install_site = data.get('site')
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db.session.commit()
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return jsonify({'code': 200})
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return jsonify({'code': 404}), 404
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@api_bp.route('/toggle_maintenance', methods=['POST'])
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def toggle_maintenance():
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data = request.get_json()
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device = Device.query.filter_by(name=data.get('name')).first()
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if device:
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device.is_maintaining = data.get('is_maintaining')
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db.session.commit()
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return jsonify({'code': 200})
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return jsonify({'code': 404}), 404
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@api_bp.route('/toggle_hidden', methods=['POST'])
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def toggle_hidden():
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data = request.get_json()
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device = Device.query.filter_by(name=data.get('name')).first()
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if device:
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device.is_hidden = data.get('is_hidden')
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db.session.commit()
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return jsonify({'code': 200})
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return jsonify({'code': 404}), 404
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# =======================
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# 5. 手动添加设备接口 (新增)
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# =======================
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@api_bp.route('/add_device', methods=['POST'])
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def add_device():
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data = request.get_json()
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name = data.get('name')
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site = data.get('site', '')
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if not name:
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return jsonify({'code': 400, 'message': '必须填写设备名称'}), 400
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# 1. 检查是否已存在
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existing = Device.query.filter_by(name=name).first()
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if existing:
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return jsonify({'code': 400, 'message': f'设备 {name} 已存在，无需重复添加'}), 400
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try:
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# 2. 创建新设备记录
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# source 标记为 'manual'，方便以后区分
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# status 默认为 'offline' (离线)
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# latest_time 默认为 'N/A'
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new_device = Device(
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name=name,
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install_site=site,
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source='manual',
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status='offline',
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current_value='0',
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latest_time='N/A',
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check_time=datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
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json_data='{}',
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is_hidden=0,
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is_maintaining=0
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)
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db.session.add(new_device)
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db.session.commit()
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return jsonify({'code': 200, 'message': '设备添加成功'})
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except Exception as e:
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db.session.rollback()
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return jsonify({'code': 500, 'message': str(e)}) |