全新出发

electron/services/export/utils/timestamp.ts

@@ -0,0 +1,70 @@
+export function normalizeTimestampSeconds(value: unknown): number {
+  const raw = Number(value)
+  if (!Number.isFinite(raw) || raw <= 0) return 0
+  let normalized = Math.floor(raw)
+  // 兼容毫秒/微秒/纳秒时间戳输入，统一降到秒级。
+  while (normalized > 10000000000) {
+    normalized = Math.floor(normalized / 1000)
+  }
+  return normalized
+}
+
+export function formatTimestamp(timestamp: number): string {
+  const date = new Date(timestamp * 1000)
+  const year = date.getFullYear()
+  const month = String(date.getMonth() + 1).padStart(2, '0')
+  const day = String(date.getDate()).padStart(2, '0')
+  const hours = String(date.getHours()).padStart(2, '0')
+  const minutes = String(date.getMinutes()).padStart(2, '0')
+  const seconds = String(date.getSeconds()).padStart(2, '0')
+  return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`
+}
+
+export function formatIsoTimestamp(timestamp: number): string {
+  return new Date(timestamp * 1000).toISOString()
+}
+
+export function parseCompactDateTimeDigitsToSeconds(digits: string): number {
+  if (digits.length < 14) return 0
+  const year = parseInt(digits.substring(0, 4), 10)
+  const month = parseInt(digits.substring(4, 6), 10) - 1
+  const day = parseInt(digits.substring(6, 8), 10)
+  const hours = parseInt(digits.substring(8, 10), 10)
+  const minutes = parseInt(digits.substring(10, 12), 10)
+  const seconds = parseInt(digits.substring(12, 14), 10)
+  const date = new Date(year, month, day, hours, minutes, seconds)
+  if (isNaN(date.getTime())) return 0
+  return Math.floor(date.getTime() / 1000)
+}
+
+export function parseDateTimeTextToSeconds(text: string): number {
+  if (!text) return 0
+  const digits = text.replace(/\D/g, '')
+  return parseCompactDateTimeDigitsToSeconds(digits)
+}
+
+export function normalizeExportDateRange(dateRange?: { start: number; end: number } | null): { start: number; end: number } | null {
+  if (!dateRange) return null
+  let start = normalizeTimestampSeconds(dateRange.start)
+  let end = normalizeTimestampSeconds(dateRange.end)
+  if (start > 0 && end > 0 && start > end) {
+    const tmp = start
+    start = end
+    end = tmp
+  }
+  if (start <= 0 && end <= 0) return null
+  return { start, end }
+}
+
+export function normalizeRowTimestampSeconds(value: unknown): number {
+  return normalizeTimestampSeconds(value)
+}
+
+export function getTimestampSecondsFromRow(row: any): number {
+  if (!row) return 0
+  const raw = row.create_time ?? row.createTime ?? row.CreateTime ?? row.msgCreateTime ?? row.msg_create_time ?? row.timestamp ?? row.Timestamp
+  if (raw !== undefined && raw !== null) {
+    return normalizeTimestampSeconds(raw)
+  }
+  return 0
+}