修改bug

cloudfunctions/commentCreate/index.js

@@ -0,0 +1,91 @@
+const cloud = require('wx-server-sdk')
+
+cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV })
+const db = cloud.database()
+const _ = db.command
+const COMMENTS_COLLECTION = 'comments'
+
+function isCollectionMissing(error) {
+  const text = String(error?.errMsg || error?.message || error || '')
+  return (
+    text.includes('collection not exist') ||
+    text.includes('collection not exists') ||
+    text.includes('collection is not exists') ||
+    text.includes('DATABASE_COLLECTION_NOT_EXIST') ||
+    text.includes('-502005')
+  )
+}
+
+function isCollectionAlreadyExists(error) {
+  const text = String(error?.errMsg || error?.message || error || '')
+  return text.includes('collection already exists') || text.includes('DATABASE_COLLECTION_ALREADY_EXIST')
+}
+
+async function ensureCommentsCollection() {
+  if (typeof db.createCollection !== 'function') {
+    throw new Error('comments collection does not exist')
+  }
+
+  try {
+    await db.createCollection(COMMENTS_COLLECTION)
+  } catch (error) {
+    if (!isCollectionAlreadyExists(error)) throw error
+  }
+}
+
+async function addComment(data) {
+  try {
+    return await db.collection(COMMENTS_COLLECTION).add({ data })
+  } catch (error) {
+    if (!isCollectionMissing(error)) throw error
+    await ensureCommentsCollection()
+    return db.collection(COMMENTS_COLLECTION).add({ data })
+  }
+}
+
+exports.main = async event => {
+  const { OPENID } = cloud.getWXContext()
+  if (!OPENID) throw new Error('no openid in wx context')
+
+  const postId = String(event.postId || '').trim()
+  const content = String(event.content || '').trim()
+  if (!postId) throw new Error('postId is required')
+  if (!content) throw new Error('content is required')
+
+  const [postRes, userRes] = await Promise.all([
+    db.collection('posts').doc(postId).get(),
+    db.collection('users').where({ openid: OPENID }).limit(1).get()
+  ])
+
+  if (!postRes.data) throw new Error('post not found')
+  if (!userRes.data.length) throw new Error('user not found')
+
+  const now = Date.now()
+  const user = userRes.data[0]
+  const result = await addComment({
+    postId,
+    openid: OPENID,
+    authorId: user._id,
+    authorSnapshot: {
+      name: user.nickname || '',
+      avatarKey: user.avatarKey || 'gradient-avatar-1',
+      avatarUrl: user.avatarUrl || ''
+    },
+    content: content.slice(0, 500),
+    createdAt: now,
+    updatedAt: now
+  })
+
+  await db.collection('posts').doc(postId).update({
+    data: {
+      'counts.comments': _.inc(1),
+      updatedAt: now
+    }
+  })
+
+  const updatedPost = await db.collection('posts').doc(postId).get()
+  return {
+    commentId: result._id,
+    comments: updatedPost.data.counts?.comments || 0
+  }
+}

cloudfunctions/commentCreate/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "commentCreate",
+  "version": "1.0.0",
+  "main": "index.js",
+  "dependencies": {
+    "wx-server-sdk": "latest"
+  }
+}