91 lines
2.8 KiB
JavaScript
91 lines
2.8 KiB
JavaScript
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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async function safeGet(collection, where, limit = 200) {
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try {
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return await db.collection(collection).where(where).limit(limit).get()
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} catch (e) {
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return { data: [] }
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}
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}
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function formatTimeText(ts) {
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const diff = Date.now() - ts
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const mins = Math.floor(diff / 60000)
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if (mins < 1) return '刚刚'
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if (mins < 60) return `${mins} 分钟前`
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const hours = Math.floor(mins / 60)
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if (hours < 24) return `${hours} 小时前`
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const days = Math.floor(hours / 24)
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if (days === 1) return '昨天'
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if (days < 7) return `${days} 天前`
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const d = new Date(ts)
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return `${d.getMonth() + 1}月${d.getDate()}日`
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}
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// List a user's own posts. Defaults to the caller; pass authorId to view
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// another user (only public posts are returned for others).
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exports.main = async event => {
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const { OPENID } = cloud.getWXContext()
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if (!OPENID) throw new Error('no openid in wx context')
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let authorOpenid = OPENID
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let viewingSelf = true
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if (event.authorId) {
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const u = await db.collection('users').doc(event.authorId).get().catch(() => null)
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if (!u || !u.data) return { list: [] }
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authorOpenid = u.data.openid
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viewingSelf = authorOpenid === OPENID
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}
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const where = { authorOpenid }
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if (!viewingSelf) where.visibility = 'public'
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const res = await db.collection('posts')
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.where(where)
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.orderBy('createdAt', 'desc')
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.limit(50)
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.get()
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if (!res.data.length) return { list: [] }
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const postIds = res.data.map(p => p._id)
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const [likedRes, favRes] = await Promise.all([
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safeGet('postLikes', { openid: OPENID, postId: _.in(postIds) }),
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safeGet('postFavorites', { openid: OPENID, postId: _.in(postIds) })
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])
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const likedSet = new Set(likedRes.data.map(l => l.postId))
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const favSet = new Set(favRes.data.map(f => f.postId))
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const list = res.data.map(post => ({
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_id: post._id,
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author: {
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id: post.authorId || '',
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name: post.authorSnapshot?.name || '用户',
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avatarKey: post.authorSnapshot?.avatarKey || 'gradient-avatar-1'
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},
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pet: post.petSnapshot || { name: '', breed: '' },
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body: post.content || '',
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topics: post.topics || [],
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media: Array.isArray(post.media)
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? post.media.map(m => (typeof m === 'string' ? m : m && (m.url || m.fileId))).filter(Boolean)
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: [],
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mediaTone: post.mediaTone || 'pet-1',
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sticker: post.sticker || undefined,
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locationText: post.locationText || '',
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timeText: formatTimeText(post.createdAt || Date.now()),
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counts: {
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likes: post.counts?.likes || 0,
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comments: post.counts?.comments || 0,
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favorites: post.counts?.favorites || 0
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},
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likedByMe: likedSet.has(post._id),
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favoritedByMe: favSet.has(post._id)
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}))
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return { list }
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}
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