96 lines
3.3 KiB
Swift
96 lines
3.3 KiB
Swift
//
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// InstanceService.swift
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// Mastodon
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//
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// Created by Cirno MainasuK on 2021-10-9.
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//
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import Foundation
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import Combine
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import CoreData
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import CoreDataStack
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import MastodonSDK
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public final class InstanceService {
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var disposeBag = Set<AnyCancellable>()
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// input
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let backgroundManagedObjectContext: NSManagedObjectContext
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weak var apiService: APIService?
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weak var authenticationService: AuthenticationService?
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// output
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init(
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apiService: APIService,
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authenticationService: AuthenticationService
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) {
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self.backgroundManagedObjectContext = apiService.backgroundManagedObjectContext
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self.apiService = apiService
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self.authenticationService = authenticationService
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authenticationService.$mastodonAuthenticationBoxes
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.receive(on: DispatchQueue.main)
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.compactMap { $0.first?.domain }
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.removeDuplicates() // prevent infinity loop
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.asyncMap { [weak self] in await self?.updateInstance(domain: $0) }
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.sink {}
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.store(in: &disposeBag)
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}
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}
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extension InstanceService {
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@MainActor
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func updateInstance(domain: String) async {
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guard let apiService else { return }
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let response = try? await apiService.instance(domain: domain, authenticationBox: authenticationService?.mastodonAuthenticationBoxes.first)
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.singleOutput()
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if response?.value.version?.majorServerVersion(greaterThanOrEquals: 4) == true {
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guard let instanceV2 = try? await apiService.instanceV2(domain: domain, authenticationBox: authenticationService?.mastodonAuthenticationBoxes.first).singleOutput() else {
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return
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}
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self.updateInstanceV2(domain: domain, response: instanceV2)
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if let translationResponse = try? await apiService.translationLanguages(domain: domain, authenticationBox: authenticationService?.mastodonAuthenticationBoxes.first).singleOutput() {
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updateTranslationLanguages(domain: domain, response: translationResponse)
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}
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} else if let response {
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self.updateInstance(domain: domain, response: response)
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}
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}
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@MainActor
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private func updateTranslationLanguages(domain: String, response: Mastodon.Response.Content<TranslationLanguages>) {
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AuthenticationServiceProvider.shared
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.updating(translationLanguages: response.value, for: domain)
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}
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@MainActor
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private func updateInstance(domain: String, response: Mastodon.Response.Content<Mastodon.Entity.Instance>) {
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AuthenticationServiceProvider.shared
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.updating(instanceV1: response.value, for: domain)
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}
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@MainActor
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private func updateInstanceV2(domain: String, response: Mastodon.Response.Content<Mastodon.Entity.V2.Instance>) {
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AuthenticationServiceProvider.shared
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.updating(instanceV2: response.value, for: domain)
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}
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}
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public extension String {
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func majorServerVersion(greaterThanOrEquals comparedVersion: Int) -> Bool {
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guard
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let majorVersionString = split(separator: ".").first,
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let majorVersionInt = Int(majorVersionString)
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else { return false }
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return majorVersionInt >= comparedVersion
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}
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}
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