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https://github.com/RevenueCat/purchases-ios
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NachoSoto
a2fc04c09e
### Motivation: Initially I wanted to make `SubscriberAttribute.asDictionary` work using `Codable`. However, this isn't the right refactor because we need the actual raw types to be encoded inside `UserDefaults`. At least this refactor provides several improvements: ### Changes: - `SubscriberAttribute` now has value semantics - ⚠️ `SubscriberAttribute.isSynced` used to be mutable, with reference semantics, which was dangerous - `SubscriberAttribute: Equatable` implementation is now automatic - Cleaned up `SubscriberAttribute.asDictionary` implementation, extracting keys into an `enum` - Moved `Dictionary` -> `SubscriberAttribute` creation to the type itself - ⚠️ `SubscriberAttribute.init(dictionary:)` returns an `Optional` instead of using force-unwrap, avoiding potential crashes - Added more serialization / deserialization tests - Removed `SubscriberAttributesMarshaller` and moved method into `SubscriberAttribute` extension - Moved `SubscriberAttributeDict` into `SubscriberAttribute.Dictionary`
109 lines
2.7 KiB
Swift
109 lines
2.7 KiB
Swift
//
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// Copyright RevenueCat Inc. All Rights Reserved.
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//
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// Licensed under the MIT License (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://opensource.org/licenses/MIT
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//
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// SubscriberAttribute.swift
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//
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// Created by Joshua Liebowitz on 7/1/21.
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//
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import Foundation
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struct SubscriberAttribute {
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let setTime: Date
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let key: String
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let value: String
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var isSynced: Bool
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init(withKey key: String, value: String?, isSynced: Bool, setTime: Date) {
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self.key = key
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self.value = value ?? ""
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self.isSynced = isSynced
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self.setTime = setTime
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}
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init(withKey key: String, value: String?, dateProvider: DateProvider = DateProvider()) {
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self.init(withKey: key, value: value, isSynced: false, setTime: dateProvider.now())
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}
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}
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extension SubscriberAttribute {
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init?(dictionary: [String: Any]) {
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guard let key = dictionary[Key.key.rawValue] as? String,
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let isSynced = (dictionary[Key.isSynced.rawValue] as? NSNumber)?.boolValue,
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let setTime = dictionary[Key.setTime.rawValue] as? Date else {
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return nil
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}
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let value = dictionary[Key.value.rawValue] as? String
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self.init(withKey: key, value: value, isSynced: isSynced, setTime: setTime)
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}
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func asDictionary() -> [String: NSObject] {
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return [Key.key.rawValue: self.key as NSString,
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Key.value.rawValue: self.value as NSString,
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Key.isSynced.rawValue: NSNumber(value: self.isSynced),
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Key.setTime.rawValue: self.setTime as NSDate]
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}
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func asBackendDictionary() -> [String: Any] {
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return [BackendKey.value.rawValue: self.value,
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BackendKey.timestamp.rawValue: self.setTime.millisecondsSince1970AsUInt64()]
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}
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}
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extension SubscriberAttribute: Equatable {}
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extension SubscriberAttribute: CustomStringConvertible {
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var description: String {
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return "[SubscriberAttribute] key: \(self.key) value: \(self.value) setTime: \(self.setTime)"
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}
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}
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extension SubscriberAttribute {
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typealias Dictionary = [String: SubscriberAttribute]
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}
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extension SubscriberAttribute {
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static func map(subscriberAttributes: SubscriberAttribute.Dictionary) -> [String: [String: Any]] {
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return subscriberAttributes.mapValues { $0.asBackendDictionary() }
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}
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}
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// MARK: - Private
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extension SubscriberAttribute {
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private enum Key: String {
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case key
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case value
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case isSynced
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case setTime
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}
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private enum BackendKey: String {
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case value = "value"
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case timestamp = "updated_at_ms"
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}
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}
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