{
  "properties" : { },
  "id" : "3c4d5e6f7a8490b1c2d3e4f5a678901",
  "script" : null,
  "groupId" : "f8e3d2c1b0a94e5f8a7b6c5d4e3f2a1",
  "name" : "交易所牦牛成交数据",
  "createTime" : 1780877000000,
  "updateTime" : 1780817847278,
  "lock" : null,
  "createBy" : "admin",
  "updateBy" : "admin",
  "path" : "/yak-trading-data",
  "method" : "GET",
  "parameters" : [ {
    "name" : "period",
    "value" : null,
    "description" : "时间维度：day(近6日)/week(近6周)/month(近6月)，不传则返回全部",
    "required" : false,
    "dataType" : "String",
    "type" : null,
    "defaultValue" : null,
    "validateType" : null,
    "error" : null,
    "expression" : null,
    "children" : null
  } ],
  "options" : [ ],
  "requestBody" : "",
  "headers" : [ ],
  "paths" : [ ],
  "responseBody" : "{\n    \"code\": -1,\n    \"message\": \"系统内部出现错误\",\n    \"data\": null,\n    \"timestamp\": 1780817836665,\n    \"executeTime\": 4\n}",
  "description" : "交易所牦牛成交数据：近6个时间段的牦牛交易数量(头)与成交订单数量(单)趋势，数据源 yak_sn_order 已完成订单（只读查询）",
  "requestBodyDefinition" : null,
  "responseBodyDefinition" : null
}
================================

var buildSeries = (rows) => {
  var labels = []
  var yakTradingVolume = []
  var orderCount = []

  for (row in rows) {
    labels.push(row.label)
    yakTradingVolume.push(row.yakVolume ? row.yakVolume : 0)
    orderCount.push(row.orderCount ? row.orderCount : 0)
  }

  return {
    labels: labels,
    yakTradingVolume: yakTradingVolume,
    orderCount: orderCount
  }
}

var daySql = """
SELECT
  TO_CHAR(d.bucket_date, 'FMMM/FMDD') AS label,
  COALESCE(SUM(o.quantity), 0) AS yak_volume,
  COUNT(o.id) AS order_count
FROM (
  SELECT (CURRENT_DATE - offs)::date AS bucket_date, offs
  FROM generate_series(5, 0, -1) AS offs
) d
LEFT JOIN yak_sn_order o
  ON o.del_flag = '0'
  AND o.status = 'COMPLETED'
  AND o.transaction_time >= d.bucket_date
  AND o.transaction_time < d.bucket_date + INTERVAL '1 day'
GROUP BY d.bucket_date, d.offs
ORDER BY d.offs DESC
"""

var weekSql = """
SELECT
  TO_CHAR(d.anchor_date, 'FMMM/FMDD') || '-' || TO_CHAR(d.anchor_date + 6, 'FMMM/FMDD') AS label,
  COALESCE(SUM(o.quantity), 0) AS yak_volume,
  COUNT(o.id) AS order_count
FROM (
  SELECT (CURRENT_DATE - offs * 7)::date AS anchor_date, offs
  FROM generate_series(5, 0, -1) AS offs
) d
LEFT JOIN yak_sn_order o
  ON o.del_flag = '0'
  AND o.status = 'COMPLETED'
  AND o.transaction_time >= d.anchor_date
  AND o.transaction_time < d.anchor_date + INTERVAL '7 days'
GROUP BY d.anchor_date, d.offs
ORDER BY d.offs DESC
"""

var monthSql = """
SELECT
  TO_CHAR(d.month_start, 'YYYY/FMMM') AS label,
  COALESCE(SUM(o.quantity), 0) AS yak_volume,
  COUNT(o.id) AS order_count
FROM (
  SELECT (date_trunc('month', CURRENT_DATE) - (offs || ' months')::interval)::date AS month_start, offs
  FROM generate_series(5, 0, -1) AS offs
) d
LEFT JOIN yak_sn_order o
  ON o.del_flag = '0'
  AND o.status = 'COMPLETED'
  AND o.transaction_time >= d.month_start
  AND o.transaction_time < d.month_start + INTERVAL '1 month'
GROUP BY d.month_start, d.offs
ORDER BY d.offs DESC
"""

var dayRows = db.select(daySql)
var weekRows = db.select(weekSql)
var monthRows = db.select(monthSql)

var result = {
  day: buildSeries(dayRows),
  week: buildSeries(weekRows),
  month: buildSeries(monthRows)
}

var p = period
if (p && result[p]) {
  return result[p]
}

return result