66 lines
2.2 KiB
Swift
66 lines
2.2 KiB
Swift
//
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// SearchResultViewModel.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-7-14.
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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 GameplayKit
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import MastodonSDK
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import MastodonCore
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final class SearchResultViewModel {
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var disposeBag = Set<AnyCancellable>()
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// input
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let context: AppContext
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let authContext: AuthContext
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let searchScope: SearchScope
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let searchText: String
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@Published var hashtags: [Mastodon.Entity.Tag] = []
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let userFetchedResultsController: UserFetchedResultsController
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let statusFetchedResultsController: StatusFetchedResultsController
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let listBatchFetchViewModel = ListBatchFetchViewModel()
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var cellFrameCache = NSCache<NSNumber, NSValue>()
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var navigationBarFrame = CurrentValueSubject<CGRect, Never>(.zero)
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// output
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var diffableDataSource: UITableViewDiffableDataSource<SearchResultSection, SearchResultItem>!
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@Published var items: [SearchResultItem] = []
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private(set) lazy var stateMachine: GKStateMachine = {
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let stateMachine = GKStateMachine(states: [
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State.Initial(viewModel: self),
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State.Loading(viewModel: self),
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State.Fail(viewModel: self),
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State.Idle(viewModel: self),
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State.NoMore(viewModel: self),
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])
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return stateMachine
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}()
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let didDataSourceUpdate = PassthroughSubject<Void, Never>()
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init(context: AppContext, authContext: AuthContext, searchScope: SearchScope = .all, searchText: String) {
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self.context = context
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self.authContext = authContext
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self.searchScope = searchScope
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self.searchText = searchText
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self.userFetchedResultsController = UserFetchedResultsController(
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managedObjectContext: context.managedObjectContext,
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domain: authContext.mastodonAuthenticationBox.domain,
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additionalPredicate: nil
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)
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self.statusFetchedResultsController = StatusFetchedResultsController(
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managedObjectContext: context.managedObjectContext,
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domain: authContext.mastodonAuthenticationBox.domain,
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additionalTweetPredicate: nil
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)
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}
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}
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