使用Firebase功能进行购买验证后无法更新Firestore的文档 [英] Cannot update a Firestore's document after a purchase verification using Firebase functions
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问题描述
我一直在研究在服务器端验证购买的功能.一切正常. 只有一个问题,当购买有效时(response.status === 200),控制台将显示(成功),但文档尚未更新. 这是我的代码.我错过了什么吗?
I've been working on a function to verify purchase in server side. Everything works well. Only one issue, when the purchase is valid (the response.status === 200) the console shows (success) but the document hasn't been updated. Here is my code. Did i miss something ?
const functions = require('firebase-functions');
const admin = require('firebase-admin');
const {google} = require('googleapis');
const publisher = google.androidpublisher('v2');
const authClient = new google.auth.JWT({
email: 'my_email',
key: 'my_key',
scopes: ['https://www.googleapis.com/auth/androidpublisher']
});
admin.initializeApp();
admin.firestore().settings({timestampsInSnapshots: true});
exports.validatePurchases = functions.firestore
.document('purchases/{channel}')
.onCreate((docSnapshot, context) => {
const purchase = docSnapshot.data();
const order_id = purchase.orderId;
const package_name = purchase.packageName;
const sku = purchase.sku;
const purchase_token = purchase.purchaseToken;
const user_id = purchase.userId;
authClient.authorize((err, result) => {
if (err) {
console.log(err);
}
publisher.purchases.subscriptions.get({
auth: authClient,
packageName: package_name,
subscriptionId: sku,
token: purchase_token
}, (err, response) => {
if (err) {
console.log(err);
}
// Result Status must be equals to 200 so that the purchase is valid
if (response.status === 200) {
console.log('success');
return admin.firestore().collection('users').doc(user_id).update({
purchaseToken: purchase_token,
isPremiumS: 'true'
});
} else {
console.log('fail');
return admin.firestore().collection('users').doc(user_id).update({
purchaseToken: purchase_token,
isPremiumS: 'false'
});
}
});
});
return null;
});
推荐答案
函数应该从Firestore update()
调用中返回Promise
,而不是返回null
.
Instead of returning null
, your function should return the Promise
from your Firestore update()
calls.
在两个位置添加return
:
return authClient.authorize((err, result) => {...
return publisher.purchases.subscriptions.get({...
在函数末尾删除return null;
这篇关于使用Firebase功能进行购买验证后无法更新Firestore的文档的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
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