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Apply filters to Trending Posts

This commit is contained in:
Shadowfacts 2022-12-14 20:52:44 -05:00
parent 1f6074e539
commit a9edeaf5b9
1 changed files with 25 additions and 13 deletions
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38
Tusker/Screens/Explore/TrendingStatusesViewController.swift
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@ -12,6 +12,7 @@ import Pachyderm
class TrendingStatusesViewController: UIViewController {
weak var mastodonController: MastodonController!
let filterer: Filterer
private var collectionView: UICollectionView {
view as! UICollectionView
@ -22,6 +23,10 @@ class TrendingStatusesViewController: UIViewController {
init(mastodonController: MastodonController) {
self.mastodonController = mastodonController
self.filterer = Filterer(mastodonController: mastodonController, context: .public)
self.filterer.htmlConverter.font = TimelineStatusCollectionViewCell.contentFont
self.filterer.htmlConverter.monospaceFont = TimelineStatusCollectionViewCell.monospaceFont
self.filterer.htmlConverter.paragraphStyle = TimelineStatusCollectionViewCell.contentParagraphStyle
super.init(nibName: nil, bundle: nil)
@ -49,7 +54,7 @@ class TrendingStatusesViewController: UIViewController {
config.topSeparatorVisibility = .hidden
config.bottomSeparatorVisibility = .hidden
}
if case .status(_, _) = item {
if case .status(_, _, _) = item {
config.topSeparatorInsets = TimelineStatusCollectionViewCell.separatorInsets
config.bottomSeparatorInsets = TimelineStatusCollectionViewCell.separatorInsets
}
@ -64,18 +69,25 @@ class TrendingStatusesViewController: UIViewController {
}
private func createDataSource() -> UICollectionViewDiffableDataSource<Section, Item> {
let statusCell = UICollectionView.CellRegistration<TimelineStatusCollectionViewCell, (String, CollapseState)> { [unowned self] cell, indexPath, item in
let statusCell = UICollectionView.CellRegistration<TimelineStatusCollectionViewCell, (String, CollapseState, Filterer.Result, NSAttributedString?)> { [unowned self] cell, indexPath, item in
cell.delegate = self
// TODO: filter these
cell.updateUI(statusID: item.0, state: item.1, filterResult: .allow, precomputedContent: nil)
cell.updateUI(statusID: item.0, state: item.1, filterResult: item.2, precomputedContent: item.3)
}
let zeroHeightCell = UICollectionView.CellRegistration<ZeroHeightCollectionViewCell, Void> { _, _, _ in
}
let loadingCell = UICollectionView.CellRegistration<LoadingCollectionViewCell, Void> { cell, _, _ in
cell.indicator.startAnimating()
}
return UICollectionViewDiffableDataSource(collectionView: collectionView) { collectionView, indexPath, itemIdentifier in
return UICollectionViewDiffableDataSource(collectionView: collectionView) { [unowned self] collectionView, indexPath, itemIdentifier in
switch itemIdentifier {
case .status(id: let id, state: let state):
return collectionView.dequeueConfiguredReusableCell(using: statusCell, for: indexPath, item: (id, state))
case .status(id: let id, let collapseState, let filterState):
let (result, attributedString) = self.filterer.resolve(state: filterState, status: { mastodonController.persistentContainer.status(for: id)! })
switch result {
case .allow, .warn(_):
return collectionView.dequeueConfiguredReusableCell(using: statusCell, for: indexPath, item: (id, collapseState, result, attributedString))
case .hide:
return collectionView.dequeueConfiguredReusableCell(using: zeroHeightCell, for: indexPath, item: ())
}
case .loadingIndicator:
return collectionView.dequeueConfiguredReusableCell(using: loadingCell, for: indexPath, item: ())
}
@ -115,7 +127,7 @@ class TrendingStatusesViewController: UIViewController {
await mastodonController.persistentContainer.addAll(statuses: statuses)
var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
snapshot.appendSections([.statuses])
snapshot.appendItems(statuses.map { .status(id: $0.id, state: .unknown) })
snapshot.appendItems(statuses.map { .status(id: $0.id, collapseState: .unknown, filterState: .unknown) })
await dataSource.apply(snapshot)
}
}
@ -125,12 +137,12 @@ extension TrendingStatusesViewController {
case statuses
}
enum Item: Hashable {
case status(id: String, state: CollapseState)
case status(id: String, collapseState: CollapseState, filterState: FilterState)
case loadingIndicator
static func ==(lhs: Item, rhs: Item) -> Bool {
switch (lhs, rhs) {
case (.status(id: let a, state: _), .status(id: let b, state: _)):
case (.status(id: let a, _, _), .status(id: let b, _, _)):
return a == b
case (.loadingIndicator, .loadingIndicator):
return true
@ -141,7 +153,7 @@ extension TrendingStatusesViewController {
func hash(into hasher: inout Hasher) {
switch self {
case .status(id: let id, state: _):
case .status(id: let id, _, _):
hasher.combine(0)
hasher.combine(id)
case .loadingIndicator:
@ -158,7 +170,7 @@ extension TrendingStatusesViewController {
}
var isSelectable: Bool {
if case .status(id: _, state: _) = self {
if case .status(id: _, _, _) = self {
return true
} else {
return false
@ -173,7 +185,7 @@ extension TrendingStatusesViewController: UICollectionViewDelegate {
}
func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
guard case .status(id: let id, state: let state) = dataSource.itemIdentifier(for: indexPath) else {
guard case .status(id: let id, collapseState: let state, _) = dataSource.itemIdentifier(for: indexPath) else {
return
}
selected(status: id, state: state.copy())