{
  "properties" : { },
  "id" : "b2c3d4e5f678901234567890abcdef01",
  "script" : null,
  "groupId" : "f8e3d2c1b0a94e5f8a7b6c5d4e3f2a1",
  "name" : "市场环境监控",
  "createTime" : 1781196000000,
  "updateTime" : null,
  "lock" : null,
  "createBy" : "admin",
  "updateBy" : "admin",
  "path" : "/market-environment",
  "method" : "GET",
  "parameters" : [ ],
  "options" : [ ],
  "requestBody" : "",
  "headers" : [ ],
  "paths" : [ ],
  "responseBody" : null,
  "description" : "市场环境监控：温湿度（iot_device_env_data）+ 气象（iot_device_weather_data）最新一条，只读。",
  "requestBodyDefinition" : null,
  "responseBodyDefinition" : null
}
================================
// 只读查询，不修改任何数据

var envSql = """
SELECT
  temperature,
  humidity,
  to_char(collect_time, 'YYYY-MM-DD HH24:MI:SS') AS collect_time
FROM iot_device_env_data
ORDER BY collect_time DESC NULLS LAST
LIMIT 1
"""

var weatherSql = """
SELECT
  air_pressure,
  pm25,
  pm10,
  uv_index,
  rainfall,
  wind_speed,
  wind_direction,
  to_char(collect_time, 'YYYY-MM-DD HH24:MI:SS') AS collect_time
FROM iot_device_weather_data
ORDER BY collect_time DESC NULLS LAST
LIMIT 1
"""

var envRows = db.select(envSql)
var weatherRows = db.select(weatherSql)
var env = envRows && envRows.length > 0 ? envRows[0] : null
var weather = weatherRows && weatherRows.length > 0 ? weatherRows[0] : null

var pickNum = (row, camelKey, snakeKey) => {
  if (!row) {
    return null
  }
  if (row[camelKey] != null) {
    return row[camelKey]
  }
  if (row[snakeKey] != null) {
    return row[snakeKey]
  }
  return null
}

var pickText = (row, camelKey, snakeKey) => {
  if (!row) {
    return ''
  }
  if (row[camelKey]) {
    return row[camelKey]
  }
  if (row[snakeKey]) {
    return row[snakeKey]
  }
  return ''
}

return {
  temperature: pickNum(env, 'temperature', 'temperature'),
  humidity: pickNum(env, 'humidity', 'humidity'),
  envCollectTime: pickText(env, 'collectTime', 'collect_time'),
  airPressure: pickNum(weather, 'airPressure', 'air_pressure'),
  pm25: pickNum(weather, 'pm25', 'pm25'),
  pm10: pickNum(weather, 'pm10', 'pm10'),
  uvIndex: pickNum(weather, 'uvIndex', 'uv_index'),
  rainfall: pickNum(weather, 'rainfall', 'rainfall'),
  windSpeed: pickNum(weather, 'windSpeed', 'wind_speed'),
  windDirection: pickNum(weather, 'windDirection', 'wind_direction'),
  weatherCollectTime: pickText(weather, 'collectTime', 'collect_time')
}