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| 1 | +// Copyright (c) 2020-present, Rover Labs, Inc. All rights reserved. |
| 2 | +// You are hereby granted a non-exclusive, worldwide, royalty-free license to use, |
| 3 | +// copy, modify, and distribute this software in source code or binary form for use |
| 4 | +// in connection with the web services and APIs provided by Rover. |
| 5 | +// |
| 6 | +// This copyright notice shall be included in all copies or substantial portions of |
| 7 | +// the software. |
| 8 | +// |
| 9 | +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 10 | +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
| 11 | +// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
| 12 | +// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
| 13 | +// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 14 | +// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 15 | + |
| 16 | +import Foundation |
| 17 | +import os.log |
| 18 | +import RoverFoundation |
| 19 | + |
| 20 | +public class ConversionsManager: ConversionsContextProvider, ConversionsTrackerService { |
| 21 | + private let persistedConversions = PersistedValue<Array<String>>(storageKey: "io.rover.data.conversions") |
| 22 | + |
| 23 | + private let oldPersistedConversions = PersistedValue<Set<LegacyTag>>(storageKey: "io.rover.RoverExperiences.conversions") |
| 24 | + |
| 25 | + public var conversions: [String]? { |
| 26 | + guard let persistedConversions = self.persistedConversions.value else { |
| 27 | + return nil |
| 28 | + } |
| 29 | + |
| 30 | + return Array(persistedConversions.prefix(100)) |
| 31 | + } |
| 32 | + |
| 33 | + public func track(_ tag: String) { |
| 34 | + guard var result = self.persistedConversions.value else { |
| 35 | + self.persistedConversions.value = [tag] |
| 36 | + return |
| 37 | + } |
| 38 | + |
| 39 | + result.removeAll(where: { $0 == tag }) |
| 40 | + result.insert(tag, at: 0) |
| 41 | + self.persistedConversions.value = Array(result.prefix(100)) |
| 42 | + } |
| 43 | +} |
| 44 | + |
| 45 | +//This extension is for converting tags from previous versions of the Rover SDK. |
| 46 | +//Will be removed at some point. |
| 47 | +internal extension ConversionsManager { |
| 48 | + func migrateTags() { |
| 49 | + guard let oldPersistedConversions = self.oldPersistedConversions.value else { |
| 50 | + return |
| 51 | + } |
| 52 | + |
| 53 | + let sortedConversions = oldPersistedConversions.sorted { |
| 54 | + $0.expiresAt > $1.expiresAt |
| 55 | + }.prefix(100) |
| 56 | + |
| 57 | + for tag in sortedConversions { |
| 58 | + track(tag.rawValue) |
| 59 | + } |
| 60 | + |
| 61 | + self.oldPersistedConversions.value = nil |
| 62 | + } |
| 63 | + |
| 64 | + private struct LegacyTag: Codable, Equatable, Hashable { |
| 65 | + public static func == (lhs: LegacyTag, rhs: LegacyTag) -> Bool { |
| 66 | + return lhs.rawValue == rhs.rawValue |
| 67 | + } |
| 68 | + |
| 69 | + public func hash(into hasher: inout Hasher) { |
| 70 | + hasher.combine(rawValue) |
| 71 | + } |
| 72 | + |
| 73 | + public var rawValue: String |
| 74 | + public var expiresAt: Date = Date() |
| 75 | + } |
| 76 | +} |
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