New inbox header to select inbox type (all, mentioned, repo, etc)

Classes/Notifications/Filter/GithubClient+InboxFilterController.swift

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+//
+//  GithubClient+InboxFilterController.swift
+//  Freetime
+//
+//  Created by Ryan Nystrom on 12/2/18.
+//  Copyright © 2018 Ryan Nystrom. All rights reserved.
+//
+
+import Foundation
+import GitHubAPI
+
+extension GithubClient: InboxFilterControllerClient {
+
+    func fetchSubscriptions(completion: @escaping (Result<[RepositoryDetails]>) -> Void) {
+        guard let username = userSession?.username else {
+            completion(.error(nil))
+            return
+        }
+        client.send(V3SubscriptionsRequest(username: username)) { result in
+            switch result {
+            case .failure(let error):
+                completion(.error(error))
+            case .success(let data):
+                let repos = data.data.map {
+                    RepositoryDetails(owner: $0.owner.login, name: $0.name)
+                }
+                completion(.success(repos))
+            }
+        }
+    }
+
+}

Classes/Notifications/Filter/InboxFilterController.swift

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+//
+//  InboxFilterController.swift
+//  Freetime
+//
+//  Created by Ryan Nystrom on 12/2/18.
+//  Copyright © 2018 Ryan Nystrom. All rights reserved.
+//
+
+import Foundation
+import ContextMenu
+
+protocol InboxFilterControllerClient {
+    func fetchSubscriptions(completion: @escaping (Result<[RepositoryDetails]>) -> Void)
+}
+
+protocol InboxFilterControllerListener: class {
+    func didUpdateSelectedFilter(for controller: InboxFilterController)
+}
+
+final class InboxFilterController {
+
+    let client: InboxFilterControllerClient
+    let announcer = Announcer<InboxFilterControllerListener>()
+
+    private static let filters = [
+        InboxFilterModel(type: .unread),
+        InboxFilterModel(type: .all),
+        InboxFilterModel(type: .mentioned),
+        InboxFilterModel(type: .assigned),
+        InboxFilterModel(type: .created)
+    ]
+
+    private(set) var selected: InboxFilterModel = InboxFilterController.filters[0] {
+        didSet {
+            announcer.enumerate { $0.didUpdateSelectedFilter(for: self) }
+        }
+    }
+    private var fetchedFilters = [InboxFilterModel]()
+
+    init(client: InboxFilterControllerClient) {
+        self.client = client
+    }
+
+    func update(selection: InboxFilterModel) {
+        selected = selection
+    }
+
+    private func selected(model: InboxFilterModel) {
+        selected = model
+    }
+
+    private func showRepos(from viewController: UIViewController?) {
+        guard let viewController = viewController else { return }
+        ContextMenu.shared.show(
+            sourceViewController: viewController,
+            viewController: InboxFilterReposViewController(inboxFilterController: self),
+            options: ContextMenu.Options(
+                containerStyle: ContextMenu.ContainerStyle(
+                    backgroundColor: Styles.Colors.menuBackgroundColor.color
+                )
+            )
+        )
+    }
+
+    func showMenu(from viewController: UIViewController) {
+        var items: [ContrastContextMenuItem] = InboxFilterController.filters.map { model in
+            ContrastContextMenuItem(
+                title: model.type.title,
+                iconName: model.type.iconName,
+                iconColor: Styles.Colors.Blue.medium.color,
+                separator: false,
+                action: { [weak self] menu in
+                    menu.dismiss(animated: trueUnlessReduceMotionEnabled)
+                    self?.selected(model: model)
+            })
+        }
+        items.append(ContrastContextMenuItem(
+            title: NSLocalizedString("Repos", comment: ""),
+            iconName: "repo",
+            iconColor: Styles.Colors.Blue.medium.color,
+            separator: true,
+            action: { [weak self, weak viewController] menu in
+                menu.dismiss(animated: trueUnlessReduceMotionEnabled)
+                self?.showRepos(from: viewController)
+        }))
+
+        ContextMenu.shared.show(
+            sourceViewController: viewController,
+            viewController: ContrastContextMenu(items: items),
+            options: ContextMenu.Options(
+                containerStyle: ContextMenu.ContainerStyle(
+                    backgroundColor: Styles.Colors.menuBackgroundColor.color
+                ),
+                menuStyle: .minimal,
+                hapticsStyle: .medium,
+                position: .centerX
+            ),
+            sourceView: viewController.navigationItem.titleView
+        )
+    }
+
+}

Classes/Notifications/Filter/InboxFilterModel.swift

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+//
+//  InboxFilterModel.swift
+//  Freetime
+//
+//  Created by Ryan Nystrom on 12/2/18.
+//  Copyright © 2018 Ryan Nystrom. All rights reserved.
+//
+
+import Foundation
+import IGListKit
+
+struct InboxFilterModel: ListSwiftDiffable {
+
+    enum FilterType: Equatable {
+        case unread
+        case all
+        case assigned
+        case created
+        case mentioned
+        case repo(owner: String, name: String)
+
+        var title: String {
+            switch self {
+            case .unread: return Constants.Strings.inbox
+            case .all: return NSLocalizedString("All", comment: "")
+            case .assigned: return NSLocalizedString("Assigned", comment: "")
+            case .created: return NSLocalizedString("Created", comment: "")
+            case .mentioned: return NSLocalizedString("Mentioned", comment: "")
+            case let .repo(_, name): return name
+            }
+        }
+
+        var subtitle: String? {
+            switch self {
+            case .unread, .all, .assigned, .created, .mentioned: return nil
+            case let .repo(owner, _): return owner
+            }
+        }
+
+        var iconName: String? {
+            switch self {
+            case .unread: return "inbox"
+            case .all: return "bell"
+            case .assigned: return "person"
+            case .created: return "plus"
+            case .mentioned: return "mention"
+            case .repo: return nil
+            }
+        }
+
+        // MARK: Equatable
+
+        static func == (lhs: FilterType, rhs: FilterType) -> Bool {
+            return lhs.title == rhs.title
+            && lhs.subtitle == rhs.subtitle
+        }
+
+    }
+
+    let type: FilterType
+
+    // MARK: ListSwiftDiffable
+
+    var identifier: String {
+        return "\(type.title).\(type.subtitle ?? "")"
+    }
+
+    func isEqual(to value: ListSwiftDiffable) -> Bool {
+        return value is InboxFilterModel
+    }
+
+}

Classes/Notifications/Filter/InboxFilterRepoCell.swift

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+//
+//  InboxFilterRepoCell.swift
+//  Freetime
+//
+//  Created by Ryan Nystrom on 12/2/18.
+//  Copyright © 2018 Ryan Nystrom. All rights reserved.
+//
+
+import UIKit
+import SnapKit
+
+final class InboxFilterRepoCell: SelectableCell {
+
+    private let label = UILabel()
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+
+        accessibilityIdentifier = "inbox-filter-repo-cell"
+
+        label.adjustsFontSizeToFitWidth = true
+        label.minimumScaleFactor = 0.7
+        contentView.addSubview(label)
+
+        label.snp.makeConstraints { make in
+            make.centerY.equalToSuperview()
+            make.left.equalTo(Styles.Sizes.gutter)
+            make.right.lessThanOrEqualTo(-Styles.Sizes.gutter)
+        }
+
+        addBorder(.bottom, left: Styles.Sizes.gutter)
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    func configure(owner: String, name: String) {
+        let text = NSMutableAttributedString(string: "\(owner)/", attributes: [
+            .foregroundColor: Styles.Colors.Gray.light.color,
+            .font: Styles.Text.body.preferredFont
+            ])
+        text.append(NSAttributedString(string: "\(name)", attributes: [
+            .foregroundColor: UIColor.white,
+            .font: Styles.Text.bodyBold.preferredFont
+            ]))
+        label.attributedText = text
+    }
+
+}

Classes/Notifications/Filter/InboxFilterRepoSectionController.swift

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+//
+//  InboxFilterRepoSectionController.swift
+//  Freetime
+//
+//  Created by Ryan Nystrom on 12/2/18.
+//  Copyright © 2018 Ryan Nystrom. All rights reserved.
+//
+
+import IGListKit
+
+final class InboxFilterRepoSectionController: ListSwiftSectionController<RepositoryDetails> {
+
+    private let inboxFilterController: InboxFilterController
+
+    init(inboxFilterController: InboxFilterController) {
+        self.inboxFilterController = inboxFilterController
+        super.init()
+    }
+
+    override func createBinders(from value: RepositoryDetails) -> [ListBinder] {
+        return [
+            binder(
+                value,
+                cellType: ListCellType.class(InboxFilterRepoCell.self),
+                size: {
+                    return $0.collection.cellSize(with: Styles.Sizes.tableCellHeight)
+            }, configure: {
+                $0.configure(
+                    owner: $1.value.owner,
+                    name: $1.value.name
+                )
+            }, didSelect: { [weak self] context in
+                self?.didSelect(value: context.value)
+            })
+        ]
+    }
+
+    private func didSelect(value: RepositoryDetails) {
+        viewController?.dismiss(animated: trueUnlessReduceMotionEnabled)
+        inboxFilterController.update(selection: InboxFilterModel(
+            type: .repo(owner: value.owner, name: value.name))
+        )
+    }
+
+}

Classes/Notifications/Filter/InboxFilterReposViewController.swift

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+//
+//  InboxFilterReposViewController.swift
+//  Freetime
+//
+//  Created by Ryan Nystrom on 12/2/18.
+//  Copyright © 2018 Ryan Nystrom. All rights reserved.
+//
+
+import UIKit
+import IGListKit
+import Squawk
+
+final class InboxFilterReposViewController: BaseListViewController<String>,
+BaseListViewControllerDataSource {
+
+    private let inboxFilterController: InboxFilterController
+    private var repos = [RepositoryDetails]()
+
+    init(inboxFilterController: InboxFilterController) {
+        self.inboxFilterController = inboxFilterController
+        super.init(emptyErrorMessage: NSLocalizedString("Error loading repos", comment: ""))
+        dataSource = self
+        title = NSLocalizedString("Watched Repos", comment: "")
+        preferredContentSize = Styles.Sizes.contextMenuSize
+        feed.collectionView.backgroundColor = Styles.Colors.menuBackgroundColor.color
+        feed.setLoadingSpinnerColor(to: .white)
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        navigationController?.navigationBar.titleTextAttributes = [
+            .foregroundColor: UIColor.white
+        ]
+    }
+
+    override func fetch(page: String?) {
+        inboxFilterController.client.fetchSubscriptions { [weak self] result in
+            switch result {
+            case .error(let error):
+                Squawk.show(error: error)
+            case .success(let repos):
+                self?.repos = repos
+                self?.update()
+            }
+        }
+    }
+
+    // MARK: BaseListViewControllerDataSource
+
+    func models(adapter: ListSwiftAdapter) -> [ListSwiftPair] {
+        return repos.map { [inboxFilterController] model in
+            ListSwiftPair.pair(model, {
+                InboxFilterRepoSectionController(inboxFilterController: inboxFilterController)
+            })
+        }
+    }
+
+}