112 lines
4.6 KiB
JavaScript
112 lines
4.6 KiB
JavaScript
// 云函数 walkManual — 手动补记（docs/05 R7）
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// 规则：isManual=true、countsForRanking=false（不计排行榜，防刷）；可维持连续打卡不断签。
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const cloud = require('wx-server-sdk');
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cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV });
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const db = cloud.database();
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const _ = db.command;
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const DAY = 86400000;
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function toDateStr(ts, tz = 8) {
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const d = new Date(ts + tz * 3600 * 1000);
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const y = d.getUTCFullYear();
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const m = String(d.getUTCMonth() + 1).padStart(2, '0');
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const day = String(d.getUTCDate()).padStart(2, '0');
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return `${y}-${m}-${day}`;
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}
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function diffDays(a, b) {
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return Math.round((Date.parse(b + 'T00:00:00Z') - Date.parse(a + 'T00:00:00Z')) / DAY);
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}
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// 连续天数：从该狗全部 walkDate 重算（与 walkSave 一致），保证补记任意顺序都能正确续/断签（docs/05 R10）
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async function computeStreak(openid, dogId) {
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const res = await db.collection('walks')
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.where({ _openid: openid, dogIds: dogId })
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.field({ walkDate: true })
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.orderBy('walkDate', 'desc')
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.limit(1000)
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.get();
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const dates = Array.from(new Set(res.data.map((w) => w.walkDate).filter(Boolean))).sort(); // 升序
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if (!dates.length) return { currentStreak: 0, lastWalkDate: '' };
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const lastWalkDate = dates[dates.length - 1];
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let streak = 1;
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for (let i = dates.length - 1; i > 0; i--) {
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if (diffDays(dates[i - 1], dates[i]) === 1) streak++;
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else break;
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}
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return { currentStreak: streak, lastWalkDate };
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}
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// 补记仅触发连续/累计类成就（不触发分享/场景类）
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const STAT_ACHIEVEMENTS = [
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{ key: 'first_walk', name: '首遛', cond: (s) => s.totalWalks >= 1 },
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{ key: 'week_streak', name: '一周不断', cond: (s) => s.currentStreak >= 7 },
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{ key: 'month_streak', name: '满月坚持', cond: (s) => s.currentStreak >= 30 },
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{ key: 'hundred_km', name: '百里同行', cond: (s) => s.totalDistance >= 100 },
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];
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async function unlockAchievements(openid, dogId, candidates) {
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if (!candidates.length) return [];
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const col = db.collection('dog_achievements');
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const existing = await col.where({ dogId }).field({ achievementKey: true }).get();
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const have = new Set(existing.data.map((d) => d.achievementKey));
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const fresh = candidates.filter((c) => !have.has(c.key));
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const now = Date.now();
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for (const c of fresh) {
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await col.add({ data: { _openid: openid, dogId, achievementKey: c.key, unlockedAt: now } });
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}
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return fresh.map((c) => ({ key: c.key, name: c.name }));
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}
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exports.main = async (event) => {
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const { OPENID } = cloud.getWXContext();
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const { dogId, startAt, duration } = event;
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const distance = event.distance != null ? event.distance : null;
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if (!dogId || !startAt || !duration) {
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return { ok: false, code: 'INVALID', msg: '缺少必要信息' };
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}
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// 校验归属
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const dogRes = await db.collection('dogs').doc(dogId).get().catch(() => null);
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if (!dogRes || !dogRes.data || dogRes.data._openid !== OPENID) {
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return { ok: false, code: 'FORBIDDEN', msg: '无权操作' };
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}
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const now = Date.now();
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const walkDate = toDateStr(startAt);
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const addRes = await db.collection('walks').add({
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data: {
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_openid: OPENID,
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dogIds: [dogId],
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startAt,
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endAt: startAt + duration * 1000,
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duration,
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distance, dogSteps: null, pooped: false,
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weather: null, mood: null, note: null, photos: [],
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source: 'manual', // 来源标识
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isManual: true, // 补记标识
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countsForRanking: false, // 不计排行榜
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walkDate,
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createdAt: now,
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},
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});
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// 更新狗狗统计（维持连续）；连续天数按全部历史重算（已含本条补记）
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const dog = dogRes.data;
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const s = dog.stats || { totalWalks: 0, totalDistance: 0, totalSteps: 0, currentStreak: 0, lastWalkDate: '' };
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const streakInfo = await computeStreak(OPENID, dogId);
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const newStats = {
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totalWalks: (s.totalWalks || 0) + 1,
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totalDistance: +(((s.totalDistance || 0) + (distance || 0)).toFixed(2)),
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totalSteps: s.totalSteps || 0,
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earlyWalks: s.earlyWalks || 0, // 补记不触发场景类成就，早遛计数保持不变
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currentStreak: streakInfo.currentStreak,
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lastWalkDate: streakInfo.lastWalkDate,
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};
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await db.collection('dogs').doc(dogId).update({ data: { stats: newStats } });
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const satisfied = STAT_ACHIEVEMENTS.filter((a) => a.cond(newStats)).map((a) => ({ key: a.key, name: a.name }));
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const newAchievements = await unlockAchievements(OPENID, dogId, satisfied);
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await db.collection('users').where({ _openid: OPENID }).update({ data: { walkCount: _.inc(1) } });
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return { ok: true, data: { walkId: addRes._id, newAchievements } };
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};
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