v0.0.4

cloudfunctions/petDelete/index.js

@@ -0,0 +1,26 @@
+const cloud = require('wx-server-sdk')
+
+cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV })
+const db = cloud.database()
+
+exports.main = async event => {
+  const { OPENID } = cloud.getWXContext()
+  if (!OPENID) throw new Error('no openid in wx context')
+  if (!event.petId) throw new Error('petId is required')
+
+  const users = await db.collection('users').where({ openid: OPENID }).limit(1).get()
+  if (!users.data.length) throw new Error('user not found')
+  const ownerId = users.data[0]._id
+
+  let pet
+  try {
+    pet = await db.collection('pets').doc(event.petId).get()
+  } catch (_) {
+    return { ok: true } // already gone
+  }
+  if (!pet.data) return { ok: true }
+  if (pet.data.ownerId !== ownerId) throw new Error('not allowed')
+
+  await db.collection('pets').doc(event.petId).remove()
+  return { ok: true }
+}

cloudfunctions/petDelete/package.json

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