Add toggle to control whether Notifications tab shows all or just mentions

Closes #45

Pachyderm/Client.swift

@@ -246,8 +246,10 @@ public class Client {
     }
     
     // MARK: - Notifications
-    public func getNotifications(range: RequestRange = .default) -> Request<[Notification]> {
+    public func getNotifications(excludeTypes: [Notification.Kind], range: RequestRange = .default) -> Request<[Notification]> {
-        var request = Request<[Notification]>(method: .get, path: "/api/v1/notifications")
+        var request = Request<[Notification]>(method: .get, path: "/api/v1/notifications", queryParameters:
+            "exclude_types" => excludeTypes.map { $0.rawValue }
+        )
         request.range = range
         return request
     }

Pachyderm/Model/Notification.swift

@@ -31,7 +31,7 @@ public class Notification: Decodable {
 }
 
 extension Notification {
-    public enum Kind: String, Decodable {
+    public enum Kind: String, Decodable, CaseIterable {
         case mention
         case reblog
         case favourite

Tusker.xcodeproj/project.pbxproj

@@ -143,6 +143,7 @@
 		D68632AA21ED8319008C716E /* GMGridViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = D686329021ED8319008C716E /* GMGridViewController.m */; };
 		D68632AB21ED8319008C716E /* GMImagePickerController.h in Headers */ = {isa = PBXBuildFile; fileRef = D686329121ED8319008C716E /* GMImagePickerController.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		D68632AC21ED8319008C716E /* GMImagePicker.strings in Resources */ = {isa = PBXBuildFile; fileRef = D686329321ED8319008C716E /* GMImagePicker.strings */; };
+		D68FEC4F232C5BC300C84F23 /* SegmentedPageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68FEC4E232C5BC300C84F23 /* SegmentedPageViewController.swift */; };
 		D6A3BC7723218E1300FD64D5 /* TimelineSegment.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A3BC7323218C6E00FD64D5 /* TimelineSegment.swift */; };
 		D6A3BC7923218E9200FD64D5 /* NotificationGroup.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A3BC7823218E9200FD64D5 /* NotificationGroup.swift */; };
 		D6A3BC7C232195C600FD64D5 /* ActionNotificationGroupTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A3BC7A232195C600FD64D5 /* ActionNotificationGroupTableViewCell.swift */; };
@@ -165,6 +166,7 @@
 		D6BC874521961F73006163F1 /* Gifu.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D6BC874421961F73006163F1 /* Gifu.framework */; };
 		D6BC874621961F73006163F1 /* Gifu.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = D6BC874421961F73006163F1 /* Gifu.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		D6BC8748219738E1006163F1 /* EnhancedTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC8747219738E1006163F1 /* EnhancedTableViewController.swift */; };
+		D6BC9DB1232C61BC002CA326 /* NotificationsPageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DB0232C61BC002CA326 /* NotificationsPageViewController.swift */; };
 		D6BED170212663DA00F02DA0 /* SwiftSoup.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = D6BED16E212663DA00F02DA0 /* SwiftSoup.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		D6BED174212667E900F02DA0 /* StatusTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BED173212667E900F02DA0 /* StatusTableViewCell.swift */; };
 		D6C693EF216192C2007D6A6D /* TuskerNavigationDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693EE216192C2007D6A6D /* TuskerNavigationDelegate.swift */; };
@@ -389,6 +391,7 @@
 		D686329021ED8319008C716E /* GMGridViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GMGridViewController.m; sourceTree = "<group>"; };
 		D686329121ED8319008C716E /* GMImagePickerController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = GMImagePickerController.h; sourceTree = "<group>"; };
 		D686329421ED8319008C716E /* de */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = de; path = GMImagePicker.strings; sourceTree = "<group>"; };
+		D68FEC4E232C5BC300C84F23 /* SegmentedPageViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SegmentedPageViewController.swift; sourceTree = "<group>"; };
 		D6A3BC7323218C6E00FD64D5 /* TimelineSegment.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineSegment.swift; sourceTree = "<group>"; };
 		D6A3BC7823218E9200FD64D5 /* NotificationGroup.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NotificationGroup.swift; sourceTree = "<group>"; };
 		D6A3BC7A232195C600FD64D5 /* ActionNotificationGroupTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ActionNotificationGroupTableViewCell.swift; sourceTree = "<group>"; };
@@ -410,6 +413,7 @@
 		D6B8DB332182A59300424AF7 /* UIAlertController+Visibility.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIAlertController+Visibility.swift"; sourceTree = "<group>"; };
 		D6BC874421961F73006163F1 /* Gifu.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = Gifu.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		D6BC8747219738E1006163F1 /* EnhancedTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EnhancedTableViewController.swift; sourceTree = "<group>"; };
+		D6BC9DB0232C61BC002CA326 /* NotificationsPageViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NotificationsPageViewController.swift; sourceTree = "<group>"; };
 		D6BED16E212663DA00F02DA0 /* SwiftSoup.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = SwiftSoup.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		D6BED173212667E900F02DA0 /* StatusTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusTableViewCell.swift; sourceTree = "<group>"; };
 		D6C693EE216192C2007D6A6D /* TuskerNavigationDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TuskerNavigationDelegate.swift; sourceTree = "<group>"; };
@@ -736,6 +740,7 @@
 		D641C786213DD852004B4513 /* Notifications */ = {
 			isa = PBXGroup;
 			children = (
+				D6BC9DB0232C61BC002CA326 /* NotificationsPageViewController.swift */,
 				D641C772213CAA25004B4513 /* NotificationsTableViewController.swift */,
 			);
 			path = Notifications;
@@ -1029,6 +1034,7 @@
 				D6538944214D6D7500E3CEFC /* TableViewSwipeActionProvider.swift */,
 				D6B8DB332182A59300424AF7 /* UIAlertController+Visibility.swift */,
 				D6BC8747219738E1006163F1 /* EnhancedTableViewController.swift */,
+				D68FEC4E232C5BC300C84F23 /* SegmentedPageViewController.swift */,
 			);
 			path = Utilities;
 			sourceTree = "<group>";
@@ -1491,10 +1497,12 @@
 				D6757A822157E8FA00721E32 /* XCBSession.swift in Sources */,
 				04DACE8C212CB14B009840C4 /* MainTabBarViewController.swift in Sources */,
 				D6AEBB412321642700E5038B /* SendMesasgeActivity.swift in Sources */,
+				D6BC9DB1232C61BC002CA326 /* NotificationsPageViewController.swift in Sources */,
 				D6C693F92162E4DB007D6A6D /* StatusContentLabel.swift in Sources */,
 				D6D58DF922074B74009C8DD9 /* LinkLabel.swift in Sources */,
 				0454DDAF22B462EF00B8BB8E /* GalleryExpandAnimationController.swift in Sources */,
 				D6A3BC8A2321F79B00FD64D5 /* AccountTableViewCell.swift in Sources */,
+				D68FEC4F232C5BC300C84F23 /* SegmentedPageViewController.swift in Sources */,
 				0450531F22B0097E00100BA2 /* Timline+UI.swift in Sources */,
 				D667E5F52135BCD50057A976 /* ConversationTableViewController.swift in Sources */,
 				D6C7D27D22B6EBF800071952 /* AttachmentsContainerView.swift in Sources */,

Tusker/Screens/Main/MainTabBarViewController.swift

@@ -17,7 +17,7 @@ class MainTabBarViewController: UITabBarController, UITabBarControllerDelegate {
         
         viewControllers = [
             embedInNavigationController(TimelineTableViewController(for: .home)),
-            embedInNavigationController(NotificationsTableViewController()),
+            embedInNavigationController(NotificationsPageViewController()),
             ComposeViewController(),
             embedInNavigationController(TimelineTableViewController(for: .public(local: false))),
             embedInNavigationController(MyProfileTableViewController()),

Tusker/Screens/Notifications/NotificationsPageViewController.swift

@@ -0,0 +1,40 @@
+//
+//  NotificationsPageViewController.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 9/13/19.
+//  Copyright © 2019 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import Pachyderm
+
+class NotificationsPageViewController: SegmentedPageViewController {
+    
+    private let notificationsTitle = NSLocalizedString("Notifications", comment: "notifications tab title")
+    private let mentionsTitle = NSLocalizedString("Mentions", comment: "mentions tab title")
+    
+    init() {
+        let notifications = NotificationsTableViewController(allowedTypes: Pachyderm.Notification.Kind.allCases)
+        notifications.title = notificationsTitle
+        
+        let mentions = NotificationsTableViewController(allowedTypes: [.mention])
+        mentions.title = mentionsTitle
+        
+        super.init(titles: [
+            notificationsTitle,
+            mentionsTitle
+        ], pageControllers: [
+            notifications,
+            mentions
+        ])
+        
+        title = notificationsTitle
+        tabBarItem.image = UIImage(systemName: "bell.fill")
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+}

Tusker/Screens/Notifications/NotificationsTableViewController.swift

@@ -15,6 +15,7 @@ class NotificationsTableViewController: EnhancedTableViewController {
     private let actionGroupCell = "actionGroupCell"
     private let followGroupCell = "followGroupCell"
     
+    let excludedTypes: [Pachyderm.Notification.Kind]
     let groupTypes = [Notification.Kind.favourite, .reblog, .follow]
 
     var groups: [NotificationGroup] = [] {
@@ -28,11 +29,10 @@ class NotificationsTableViewController: EnhancedTableViewController {
     var newer: RequestRange?
     var older: RequestRange?
     
-    init() {
+    init(allowedTypes: [Pachyderm.Notification.Kind]) {
-        super.init(style: .plain)
+        self.excludedTypes = Array(Set(Pachyderm.Notification.Kind.allCases).subtracting(allowedTypes))
         
-        title = "Notifications"
+        super.init(style: .plain)
-        tabBarItem.image = UIImage(systemName: "bell.fill")
 
         self.refreshControl = UIRefreshControl()
         refreshControl!.addTarget(self, action: #selector(refreshNotifications(_:)), for: .valueChanged)
@@ -54,7 +54,7 @@ class NotificationsTableViewController: EnhancedTableViewController {
         
         tableView.prefetchDataSource = self
         
-        let request = MastodonController.client.getNotifications()
+        let request = MastodonController.client.getNotifications(excludeTypes: excludedTypes)
         MastodonController.client.run(request) { result in
             guard case let .success(notifications, pagination) = result else { fatalError() }
             
@@ -116,7 +116,7 @@ class NotificationsTableViewController: EnhancedTableViewController {
         if indexPath.row == groups.count - 1 {
             guard let older = older else { return }
             
-            let request = MastodonController.client.getNotifications(range: older)
+            let request = MastodonController.client.getNotifications(excludeTypes: excludedTypes, range: older)
             MastodonController.client.run(request) { result in
                 guard case let .success(newNotifications, pagination) = result else { fatalError() }
                 
@@ -148,7 +148,7 @@ class NotificationsTableViewController: EnhancedTableViewController {
     @objc func refreshNotifications(_ sender: Any) {
         guard let newer = newer else { return }
         
-        let request = MastodonController.client.getNotifications(range: newer)
+        let request = MastodonController.client.getNotifications(excludeTypes: excludedTypes, range: newer)
         MastodonController.client.run(request) { result in
             guard case let .success(newNotifications, pagination) = result else { fatalError() }
             

Tusker/Screens/Utilities/SegmentedPageViewController.swift

@@ -0,0 +1,78 @@
+//
+//  SegmentedPageViewController.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 9/13/19.
+//  Copyright © 2019 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+
+class SegmentedPageViewController: UIPageViewController, UIPageViewControllerDataSource, UIPageViewControllerDelegate {
+
+    let titles: [String]
+    let pageControllers: [UIViewController]
+    
+    private(set) var currentIndex: Int!
+    
+    var segmentedControl: UISegmentedControl!
+
+    init(titles: [String], pageControllers: [UIViewController]) {
+        self.titles = titles
+        self.pageControllers = pageControllers
+        
+        super.init(transitionStyle: .scroll, navigationOrientation: .horizontal, options: nil)
+
+        self.dataSource = self
+        self.delegate = self
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        view.backgroundColor = .systemBackground
+        
+        segmentedControl = UISegmentedControl(items: titles)
+        segmentedControl.addTarget(self, action: #selector(segmentedControlChanged), for: .valueChanged)
+        navigationItem.titleView = segmentedControl
+        
+        segmentedControl.selectedSegmentIndex = 0
+        selectPage(at: 0, animated: false)
+    }
+    
+    func selectPage(at index: Int, animated: Bool) {
+        let direction: UIPageViewController.NavigationDirection = currentIndex == nil ? .forward  : index - currentIndex > 0 ? .forward : .reverse
+        setViewControllers([pageControllers[index]], direction: direction, animated: animated)
+        navigationItem.title = pageControllers[index].title
+        currentIndex = index
+    }
+    
+    @objc func segmentedControlChanged() {
+        selectPage(at: segmentedControl.selectedSegmentIndex, animated: true)
+    }
+    
+    // MARK: - Page View Controller Data Source
+    func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
+        guard let index = pageControllers.firstIndex(of: viewController),
+            index > 0 else { return nil }
+        return pageControllers[index - 1]
+    }
+    
+    func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
+        guard let index = pageControllers.firstIndex(of: viewController),
+            index < pageControllers.count - 1 else { return nil }
+        return pageControllers[index + 1]
+    }
+    
+    // MARK: - Page View Controller Delegate
+    func pageViewController(_ pageViewController: UIPageViewController, didFinishAnimating finished: Bool, previousViewControllers: [UIViewController], transitionCompleted completed: Bool) {
+        currentIndex = pageControllers.firstIndex(of: viewControllers!.first!)!
+        segmentedControl.selectedSegmentIndex = currentIndex
+        navigationItem.title = viewControllers!.first!.title
+    }
+
+}