92 lines
3.1 KiB
Swift
92 lines
3.1 KiB
Swift
//
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// ThreadViewController+DataSourceProvider.swift
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// Mastodon
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//
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// Created by MainasuK on 2022-1-17.
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//
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import UIKit
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import MastodonSDK
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// MARK: - DataSourceProvider
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extension ThreadViewController: DataSourceProvider {
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func item(from source: DataSourceItem.Source) async -> DataSourceItem? {
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var _indexPath = source.indexPath
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if _indexPath == nil, let cell = source.tableViewCell {
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_indexPath = await self.indexPath(for: cell)
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}
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guard let indexPath = _indexPath else { return nil }
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guard let item = viewModel.diffableDataSource?.itemIdentifier(for: indexPath) else {
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return nil
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}
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switch item {
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case .thread(let thread):
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return .status(record: thread.record)
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default:
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return nil
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}
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}
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func update(status _status: MastodonStatus, intent: MastodonStatus.UpdateIntent) {
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let status = _status.reblog ?? _status
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if case MastodonStatus.UpdateIntent.delete = intent {
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return handleDelete(status)
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}
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switch viewModel.root {
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case let .root(context):
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if context.status.id == status.id {
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viewModel.root = .root(context: .init(status: status))
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} else {
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handleUpdate(status: status, viewModel: viewModel.mastodonStatusThreadViewModel, intent: intent)
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}
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case let .reply(context):
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if context.status.id == status.id {
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viewModel.root = .reply(context: .init(status: status))
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} else {
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handleUpdate(status: status, viewModel: viewModel.mastodonStatusThreadViewModel, intent: intent)
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}
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case let .leaf(context):
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if context.status.id == status.id {
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viewModel.root = .leaf(context: .init(status: status))
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} else {
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handleUpdate(status: status, viewModel: viewModel.mastodonStatusThreadViewModel, intent: intent)
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}
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case .none:
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assertionFailure("This should not have happened")
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}
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}
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private func handleDelete(_ status: MastodonStatus) {
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if viewModel.root?.record.id == status.id {
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viewModel.root = nil
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viewModel.onDismiss.send(status)
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}
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viewModel.mastodonStatusThreadViewModel.handleDelete(status)
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}
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@MainActor
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private func indexPath(for cell: UITableViewCell) async -> IndexPath? {
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return tableView.indexPath(for: cell)
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}
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private func handleUpdate(status: MastodonStatus, viewModel: MastodonStatusThreadViewModel, intent: MastodonStatus.UpdateIntent) {
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switch intent {
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case .bookmark:
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viewModel.handleBookmark(status)
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case let .reblog(isReblogged):
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viewModel.handleReblog(status, isReblogged)
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case .favorite:
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viewModel.handleFavorite(status)
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case let .toggleSensitive(isVisible):
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viewModel.handleSensitive(status, isVisible)
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case .edit:
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viewModel.handleEdit(status)
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case .delete:
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break // this case has already been handled
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}
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}
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}
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