108 lines
4.0 KiB
Swift
108 lines
4.0 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import Combine
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import DB
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import Foundation
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import Mastodon
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import MastodonAPI
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import Secrets
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public struct AllIdentitiesService {
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public let mostRecentlyUsedIdentityID: AnyPublisher<UUID?, Never>
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public let instanceFilterService: InstanceFilterService
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private let database: IdentityDatabase
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private let environment: AppEnvironment
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public init(environment: AppEnvironment) throws {
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self.database = try environment.fixtureDatabase ?? IdentityDatabase(
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inMemory: environment.inMemoryContent,
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keychain: environment.keychain)
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self.environment = environment
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mostRecentlyUsedIdentityID = database.mostRecentlyUsedIdentityIDObservation()
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.replaceError(with: nil)
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.eraseToAnyPublisher()
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instanceFilterService = InstanceFilterService(environment: environment)
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}
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}
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public extension AllIdentitiesService {
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func identityService(id: UUID) throws -> IdentityService {
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try IdentityService(id: id, database: database, environment: environment)
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}
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func createIdentity(id: UUID, url: URL, authenticated: Bool) -> AnyPublisher<Never, Error> {
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let secrets = Secrets(identityID: id, keychain: environment.keychain)
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do {
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try secrets.setInstanceURL(url)
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} catch {
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return Fail(error: error).eraseToAnyPublisher()
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}
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let createIdentityPublisher = database.createIdentity(
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id: id,
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url: url,
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authenticated: authenticated)
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.ignoreOutput()
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.eraseToAnyPublisher()
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if authenticated {
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return AuthenticationService(url: url, environment: environment).authenticate()
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.tryMap {
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try secrets.setClientID($0.clientId)
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try secrets.setClientSecret($0.clientSecret)
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try secrets.setAccessToken($1.accessToken)
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}
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.flatMap { createIdentityPublisher }
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.eraseToAnyPublisher()
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} else {
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return createIdentityPublisher
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}
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}
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func deleteIdentity(id: UUID) -> AnyPublisher<Never, Error> {
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database.deleteIdentity(id: id)
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.collect()
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.tryMap { _ -> AnyPublisher<Never, Error> in
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try ContentDatabase.delete(forIdentityID: id)
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let secrets = Secrets(identityID: id, keychain: environment.keychain)
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defer { secrets.deleteAllItems() }
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do {
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return MastodonAPIClient(
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session: environment.session,
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instanceURL: try secrets.getInstanceURL())
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.request(DeletionEndpoint.oauthRevoke(
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token: try secrets.getAccessToken(),
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clientID: try secrets.getClientID(),
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clientSecret: try secrets.getClientSecret()))
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.ignoreOutput()
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.eraseToAnyPublisher()
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} catch {
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return Empty().eraseToAnyPublisher()
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}
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}
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.flatMap { $0 }
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.eraseToAnyPublisher()
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}
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func updatePushSubscriptions(deviceToken: Data) -> AnyPublisher<Never, Error> {
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database.identitiesWithOutdatedDeviceTokens(deviceToken: deviceToken)
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.tryMap { identities -> [AnyPublisher<Never, Never>] in
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try identities.map {
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try IdentityService(id: $0.id, database: database, environment: environment)
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.createPushSubscription(deviceToken: deviceToken, alerts: $0.pushSubscriptionAlerts)
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.catch { _ in Empty() } // don't want to disrupt pipeline
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.eraseToAnyPublisher()
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}
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}
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.map(Publishers.MergeMany.init)
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.ignoreOutput()
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.eraseToAnyPublisher()
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}
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}
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