修复主题恢复与勋章状态

utils/badge-state.js

@@ -0,0 +1,28 @@
+const TRACK_PAD = 4
+
+const getBadgeProgress = (badges, totalDays) => {
+  const defs = Array.isArray(badges) ? badges : []
+  if (defs.length === 0) return 0
+
+  const days = Math.max(0, Number(totalDays) || 0)
+  if (days < defs[0].days) return 0
+  if (defs.length === 1 || days >= defs[defs.length - 1].days) return 100
+
+  const segmentWidth = (100 - TRACK_PAD * 2) / (defs.length - 1)
+  let index = 0
+  while (index < defs.length - 1 && days >= defs[index + 1].days) index++
+
+  const ratio = (days - defs[index].days) / (defs[index + 1].days - defs[index].days)
+  return Math.round((TRACK_PAD + index * segmentWidth + ratio * segmentWidth) * 10) / 10
+}
+
+const getBadgeCelebration = (previous, unlockedDays) => {
+  const unlocked = Array.isArray(unlockedDays) ? unlockedDays : []
+  if (!Array.isArray(previous)) return { newly: [], seen: Array.from(new Set(unlocked)) }
+
+  const previousSet = new Set(previous)
+  const newly = unlocked.filter(days => !previousSet.has(days))
+  return { newly, seen: Array.from(new Set(previous.concat(unlocked))) }
+}
+
+module.exports = { getBadgeProgress, getBadgeCelebration }