此功能向x天前安装应用程序的用户发送通知，检索其帐户创建日期，并将其fcm令牌保存在数据库中。由于该功能尚未完全正常运行，因此我此时不使用用户令牌是正常的。我有这个错误：
public final class NHRootClass: Mappable, NSCoding {
// MARK: Declaration for string constants to be used to decode and also serialize.
private struct SerializationKeys {
static let countTotal = "count_total"
static let status = "status"
static let posts = "posts"
static let pages = "pages"
static let count = "count"
}
// MARK: Properties
public var countTotal: Int?
public var status: String?
public var posts: [NHPosts]?
public var pages: Int?
public var count: Int?
// MARK: ObjectMapper Initializers
/// Map a JSON object to this class using ObjectMapper.
///
/// - parameter map: A mapping from ObjectMapper.
public required init?(map: Map){
}
/// Map a JSON object to this class using ObjectMapper.
///
/// - parameter map: A mapping from ObjectMapper.
public func mapping(map: Map) {
countTotal <- map[SerializationKeys.countTotal]
status <- map[SerializationKeys.status]
posts <- map[SerializationKeys.posts]
pages <- map[SerializationKeys.pages]
count <- map[SerializationKeys.count]
}
/// Generates description of the object in the form of a NSDictionary.
///
/// - returns: A Key value pair containing all valid values in the object.
public func dictionaryRepresentation() -> [String: Any] {
var dictionary: [String: Any] = [:]
if let value = countTotal { dictionary[SerializationKeys.countTotal] = value }
if let value = status { dictionary[SerializationKeys.status] = value }
if let value = posts { dictionary[SerializationKeys.posts] = value.map { $0.dictionaryRepresentation() } }
if let value = pages { dictionary[SerializationKeys.pages] = value }
if let value = count { dictionary[SerializationKeys.count] = value }
return dictionary
}
// MARK: NSCoding Protocol
required public init(coder aDecoder: NSCoder) {
self.countTotal = aDecoder.decodeObject(forKey: SerializationKeys.countTotal) as? Int
self.status = aDecoder.decodeObject(forKey: SerializationKeys.status) as? String
self.posts = aDecoder.decodeObject(forKey: SerializationKeys.posts) as? [NHPosts]
self.pages = aDecoder.decodeObject(forKey: SerializationKeys.pages) as? Int
self.count = aDecoder.decodeObject(forKey: SerializationKeys.count) as? Int
}
public func encode(with aCoder: NSCoder) {
aCoder.encode(countTotal, forKey: SerializationKeys.countTotal)
aCoder.encode(status, forKey: SerializationKeys.status)
aCoder.encode(posts, forKey: SerializationKeys.posts)
aCoder.encode(pages, forKey: SerializationKeys.pages)
aCoder.encode(count, forKey: SerializationKeys.count)
}
}
我无法找到它的来源。正如你所看到的，我尝试了很多东西来捕捉错误，但没有任何工作......
Error: There is no user record corresponding to the provided identifier.
at FirebaseAuthError.Error (native)
at FirebaseAuthError.FirebaseError [as constructor] (/user_code/node_modules/firebase-admin/lib/utils/error.js:25:28)
at new FirebaseAuthError (/user_code/node_modules/firebase-admin/lib/utils/error.js:90:23)
at /user_code/node_modules/firebase-admin/lib/auth/auth-api-request.js:113:15
at /user_code/node_modules/firebase-admin/lib/auth/auth-api-request.js:332:13
at process._tickDomainCallback (internal/process/next_tick.js:129:7)
我的数据库：
'use strict';
const functions = require('firebase-functions');
const admin = require('firebase-admin');
admin.initializeApp(functions.config().firebase);
exports.sendNotificationToNewUser = functions.https.onRequest((request, response) => {
Date.prototype.sameDay = function (d) {
return this.getFullYear() === d.getFullYear()
&& this.getDate() === d.getDate()
&& this.getMonth() === d.getMonth();
}
// Loop through users in order with the forEach() method. The callback
// provided to forEach() will be called synchronously with a DataSnapshot
// for each child:
var query = admin.database().ref("users").orderByKey();
var defaultAuth = admin.auth();
const getUsersPromise = query.once("value")
return Promise.all([getUsersPromise]).then(results => {
const tokensSnapshot = "test";
results[0].forEach(function (childSnapshot) {
if (childSnapshot != null) {
try {
// user will be "ada" the first time and "alan" the second time
var user_id = childSnapshot.key;
// childData will be the actual contents of the child
var user_data = childSnapshot.val();
admin.auth().getUser(user_id)
.then(function (userRecord) {
if (userRecord != null) {
var create_date = userRecord.metadata.createdAt
var date_now = new Date(Date.now());
console.log("Creation date:", create_date);
create_date.setDate(create_date.getDate() + 4);
if (create_date.sameDay(date_now)) {
//todo something here
}
}
})
.catch(function(error) {
// Handle Errors here.
var errorCode = error.code;
var errorMessage = error.message;
console.log('User did not sign up correctly');
console.log(errorCode);
console.console.log(errorMessage);
});
}
catch (e) {
console.log(e);
}
}
});
// Notification details.
const payload = {
notification: {
body: "blabla",
sound: "default"
},
"data": {
"key": "CODE",
"value": "playstore"
}
};
var options = {
priority: "high",
collapseKey: "playstore"
};
// Listing all tokens, error here below.
//const tokens = Object.keys(tokensSnapshot.val());
const tokens = "my token for the test";
// Send notifications to all tokens.
// Send a message to the device corresponding to the provided
// registration token with the provided options.
return admin.messaging().sendToDevice(tokens, payload, options).then(response => {
// For each message check if there was an error.
const tokensToRemove = [];
response.results.forEach((result, index) => {
const error = result.error;
if (error) {
console.error('Failure sending notification to', tokens[index], error);
// Cleanup the tokens who are not registered anymore.
if (error.code === 'messaging/invalid-registration-token' ||
error.code === 'messaging/registration-token-not-registered') {
tokensToRemove.push(tokensSnapshot.ref.child(tokens[index]).remove());
}
}
else {
console.log("Successfully sent message:", response);
}
});
return Promise.all(tokensToRemove);
})
})
})