mastodon-ios/Mastodon/Diffable/Discovery/DiscoverySection.swift

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//
// DiscoverySection.swift
// Mastodon
//
// Created by MainasuK on 2022-4-13.
//
import os.log
import UIKit
2022-10-08 07:43:06 +02:00
import MastodonCore
import MastodonUI
import MastodonSDK
enum DiscoverySection: CaseIterable {
// case posts
case hashtags
case news
case forYou
}
extension DiscoverySection {
static let logger = Logger(subsystem: "DiscoverySection", category: "logic")
class Configuration {
let authContext: AuthContext
weak var profileCardTableViewCellDelegate: ProfileCardTableViewCellDelegate?
let familiarFollowers: Published<[Mastodon.Entity.FamiliarFollowers]>.Publisher?
public init(
authContext: AuthContext,
profileCardTableViewCellDelegate: ProfileCardTableViewCellDelegate? = nil,
familiarFollowers: Published<[Mastodon.Entity.FamiliarFollowers]>.Publisher? = nil
) {
self.authContext = authContext
self.profileCardTableViewCellDelegate = profileCardTableViewCellDelegate
self.familiarFollowers = familiarFollowers
}
}
static func diffableDataSource(
tableView: UITableView,
context: AppContext,
configuration: Configuration
) -> UITableViewDiffableDataSource<DiscoverySection, DiscoveryItem> {
tableView.register(TrendTableViewCell.self, forCellReuseIdentifier: String(describing: TrendTableViewCell.self))
tableView.register(NewsTableViewCell.self, forCellReuseIdentifier: String(describing: NewsTableViewCell.self))
tableView.register(ProfileCardTableViewCell.self, forCellReuseIdentifier: String(describing: ProfileCardTableViewCell.self))
tableView.register(TimelineBottomLoaderTableViewCell.self, forCellReuseIdentifier: String(describing: TimelineBottomLoaderTableViewCell.self))
return UITableViewDiffableDataSource(tableView: tableView) { tableView, indexPath, item in
switch item {
case .hashtag(let tag):
let cell = tableView.dequeueReusableCell(withIdentifier: String(describing: TrendTableViewCell.self), for: indexPath) as! TrendTableViewCell
cell.trendView.configure(tag: tag)
return cell
case .link(let link):
let cell = tableView.dequeueReusableCell(withIdentifier: String(describing: NewsTableViewCell.self), for: indexPath) as! NewsTableViewCell
cell.newsView.configure(link: link)
return cell
case .user(let record):
let cell = tableView.dequeueReusableCell(withIdentifier: String(describing: ProfileCardTableViewCell.self), for: indexPath) as! ProfileCardTableViewCell
context.managedObjectContext.performAndWait {
guard let user = record.object(in: context.managedObjectContext) else { return }
cell.configure(
tableView: tableView,
user: user,
profileCardTableViewCellDelegate: configuration.profileCardTableViewCellDelegate
)
// bind familiarFollowers
if let familiarFollowers = configuration.familiarFollowers {
familiarFollowers
.map { array in array.first(where: { $0.id == user.id }) }
.assign(to: \.familiarFollowers, on: cell.profileCardView.viewModel)
.store(in: &cell.disposeBag)
} else {
cell.profileCardView.viewModel.familiarFollowers = nil
}
// bind me
cell.profileCardView.viewModel.relationshipViewModel.me = configuration.authContext.mastodonAuthenticationBox.authenticationRecord.object(in: context.managedObjectContext)?.user
}
return cell
case .bottomLoader:
let cell = tableView.dequeueReusableCell(withIdentifier: String(describing: TimelineBottomLoaderTableViewCell.self), for: indexPath) as! TimelineBottomLoaderTableViewCell
cell.activityIndicatorView.startAnimating()
return cell
}
}
}
}