修复趋势图表加载与比例展示

utils/util.js

@@ -54,6 +54,73 @@ const formatDate = (date) => {
 /** Strip the time portion of a formatDate string → "YYYY-MM-DD". */
 const _dateOnly = (s) => (typeof s === 'string' && s.length >= 10) ? s.substring(0, 10) : ''
 
+const _normalizeDuration = (value) => Math.max(0, Math.floor(Number(value) || 0))
+
+const _formatTrendDuration = (seconds) => {
+  const duration = _normalizeDuration(seconds)
+  if (duration >= 3600) return `${Math.floor(duration / 60)}m`
+  return formatTime(duration)
+}
+
+/** Build daily or monthly duration totals from one training-record snapshot. */
+const getTrendData = (recordGroups, mode, now = new Date()) => {
+  const dateTotals = {}
+  const groups = recordGroups && typeof recordGroups === 'object' ? recordGroups : {}
+
+  Object.values(groups).forEach((records) => {
+    if (!Array.isArray(records)) return
+    records.forEach((record) => {
+      const date = _dateOnly(record && record.date)
+      if (!date) return
+      dateTotals[date] = (dateTotals[date] || 0) + _normalizeDuration(record.duration)
+    })
+  })
+
+  const today = new Date(now)
+  const weekdays = ['日', '一', '二', '三', '四', '五', '六']
+  const pad = (n) => String(n).padStart(2, '0')
+
+  if (mode === 'month') {
+    const monthTotals = {}
+    Object.keys(dateTotals).forEach((date) => {
+      const month = date.substring(0, 7)
+      monthTotals[month] = (monthTotals[month] || 0) + dateTotals[date]
+    })
+    return Array.from({ length: 6 }, (_, index) => {
+      const offset = 5 - index
+      const date = new Date(today.getFullYear(), today.getMonth() - offset, 1)
+      const monthKey = `${date.getFullYear()}-${pad(date.getMonth() + 1)}`
+      const value = monthTotals[monthKey] || 0
+      return {
+        label: `${date.getMonth() + 1}月`,
+        value,
+        valueText: value > 0 ? _formatTrendDuration(value) : '',
+        highlight: offset === 0
+      }
+    })
+  }
+
+  return Array.from({ length: 7 }, (_, index) => {
+    const offset = 6 - index
+    const date = new Date(today)
+    date.setDate(date.getDate() - offset)
+    const dateKey = `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}`
+    const value = dateTotals[dateKey] || 0
+    return {
+      label: offset === 0 ? '今天' : weekdays[date.getDay()],
+      value,
+      valueText: value > 0 ? _formatTrendDuration(value) : '',
+      highlight: offset === 0
+    }
+  })
+}
+
+const getBarPercent = (value, max) => {
+  const amount = _normalizeDuration(value)
+  const maximum = _normalizeDuration(max)
+  return maximum > 0 ? amount / maximum * 100 : 0
+}
+
 /**
  * Convert a local file path (typically `wxfile://...` from chooseAvatar) to a
  * base64 data URI. Used to make temporary file URLs survive the WeChat
@@ -101,5 +168,7 @@ module.exports = {
   getMonthCalendar,
   formatDate,
   dateOnly: _dateOnly,
+  getTrendData,
+  getBarPercent,
   fileToDataURI
 }