mirror of
https://github.com/metabolist/metatext.git
synced 2024-05-04 09:38:59 +00:00
89 lines
3.6 KiB
Swift
89 lines
3.6 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
|
|
|
|
import Combine
|
|
import DB
|
|
import Foundation
|
|
import Mastodon
|
|
import MastodonAPI
|
|
|
|
public struct TimelineService {
|
|
public let sections: AnyPublisher<[CollectionSection], Error>
|
|
public let navigationService: NavigationService
|
|
public let nextPageMaxId: AnyPublisher<String, Never>
|
|
public let accountIdsForRelationships: AnyPublisher<Set<Account.Id>, Never>
|
|
public let title: AnyPublisher<String, Never>
|
|
public let titleLocalizationComponents: AnyPublisher<[String], Never>
|
|
public let announcesNewItems = true
|
|
|
|
private let timeline: Timeline
|
|
private let mastodonAPIClient: MastodonAPIClient
|
|
private let contentDatabase: ContentDatabase
|
|
private let nextPageMaxIdSubject = PassthroughSubject<String, Never>()
|
|
private let accountIdsForRelationshipsSubject = PassthroughSubject<Set<Account.Id>, Never>()
|
|
|
|
init(timeline: Timeline,
|
|
environment: AppEnvironment,
|
|
mastodonAPIClient: MastodonAPIClient,
|
|
contentDatabase: ContentDatabase) {
|
|
self.timeline = timeline
|
|
self.mastodonAPIClient = mastodonAPIClient
|
|
self.contentDatabase = contentDatabase
|
|
|
|
if case .home = timeline {
|
|
sections = contentDatabase.cleanHomeTimelinePublisher()
|
|
.collect()
|
|
.flatMap { _ in contentDatabase.timelinePublisher(timeline) }
|
|
.eraseToAnyPublisher()
|
|
} else {
|
|
sections = contentDatabase.timelinePublisher(timeline)
|
|
}
|
|
|
|
navigationService = NavigationService(environment: environment,
|
|
mastodonAPIClient: mastodonAPIClient,
|
|
contentDatabase: contentDatabase)
|
|
nextPageMaxId = nextPageMaxIdSubject.eraseToAnyPublisher()
|
|
accountIdsForRelationships = accountIdsForRelationshipsSubject.eraseToAnyPublisher()
|
|
|
|
switch timeline {
|
|
case let .list(list):
|
|
title = Just(list.title).eraseToAnyPublisher()
|
|
titleLocalizationComponents = Empty().eraseToAnyPublisher()
|
|
case let .tag(tag):
|
|
title = Just("#".appending(tag)).eraseToAnyPublisher()
|
|
titleLocalizationComponents = Empty().eraseToAnyPublisher()
|
|
case .favorites:
|
|
title = Empty().eraseToAnyPublisher()
|
|
titleLocalizationComponents = Just(["favorites"]).eraseToAnyPublisher()
|
|
case .bookmarks:
|
|
title = Empty().eraseToAnyPublisher()
|
|
titleLocalizationComponents = Just(["bookmarks"]).eraseToAnyPublisher()
|
|
default:
|
|
title = Empty().eraseToAnyPublisher()
|
|
titleLocalizationComponents = Empty().eraseToAnyPublisher()
|
|
}
|
|
}
|
|
}
|
|
|
|
extension TimelineService: CollectionService {
|
|
public var positionTimeline: Timeline? { timeline }
|
|
|
|
public var preferLastPresentIdOverNextPageMaxId: Bool {
|
|
!timeline.ordered
|
|
}
|
|
|
|
public func request(maxId: String?, minId: String?, search: Search?) -> AnyPublisher<Never, Error> {
|
|
mastodonAPIClient.pagedRequest(timeline.endpoint, maxId: maxId, minId: minId)
|
|
.handleEvents(receiveOutput: {
|
|
if let maxId = $0.info.maxId {
|
|
nextPageMaxIdSubject.send(maxId)
|
|
}
|
|
|
|
accountIdsForRelationshipsSubject.send(
|
|
Set($0.result.map(\.account.id))
|
|
.union(Set($0.result.compactMap(\.reblog?.account.id))))
|
|
})
|
|
.flatMap { contentDatabase.insert(statuses: $0.result, timeline: timeline) }
|
|
.eraseToAnyPublisher()
|
|
}
|
|
}
|