我已经设置了一个每分钟触发一次的 pub/sub 函数,我想检查当前时间是否等于任何 Firestore 实体的开始时间,然后更改一个值(如果是):
exports.updateDraftStatus = (event, context) => {
const pubsubMessage = event.data;
console.log(Buffer.from(pubsubMessage, 'base64').toString());
const db = admin.firestore();
time = admin.firestore.Timestamp.fromMillis(Date.now())
const snap = db.collection("leagues").where("startTime", time).get()
await Promise.all(snap.docs.map(doc => doc.ref.update({Started: 'Off'})));
};
最佳答案
.get()
method返回 Promise<QuerySnapshot>
,而不是 QuerySnapshot
。您需要await
快照,或使用then()
block 。
exports.updateDraftStatus = async (event, context) => {
const pubsubMessage = event.data;
console.log(Buffer.from(pubsubMessage, 'base64').toString());
const db = admin.firestore();
time = admin.firestore.Timestamp.fromMillis(Date.now())
const snap = await db.collection("leagues").where("startTime", time).get()
await Promise.all(snap.docs.map(doc => doc.ref.update({Started: 'Off'})));
};
或
exports.updateDraftStatus = (event, context) => {
const pubsubMessage = event.data;
console.log(Buffer.from(pubsubMessage, 'base64').toString());
const db = admin.firestore();
time = admin.firestore.Timestamp.fromMillis(Date.now())
return db.collection("leagues").where("startTime", time).get().then((snap) => {
return Promise.all(snap.docs.map(doc => doc.ref.update({Started: 'Off'})));
})
};
关于javascript - 如何从 pub sub 函数更新 Firestore 字段,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/59804396/