Add timestamp to follow notifications

Tusker/Views/Notifications/ActionNotificationGroupTableViewCell.swift

@@ -94,7 +94,7 @@ class ActionNotificationGroupTableViewCell: UITableViewCell {
     func updateTimestamp() {
         guard let id = group.notificationIDs.first,
             let notification = MastodonCache.notification(for: id) else {
-            fatalError("Missing cached status")
+            fatalError("Missing cached notification")
         }
         
         timestampLabel.text = notification.createdAt.timeAgoString()

Tusker/Views/Notifications/FollowNotificationGroupTableViewCell.swift

@@ -14,10 +14,13 @@ class FollowNotificationGroupTableViewCell: UITableViewCell {
     var delegate: TuskerNavigationDelegate?
     
     @IBOutlet weak var avatarStackView: UIStackView!
+    @IBOutlet weak var timestampLabel: UILabel!
     @IBOutlet weak var actionLabel: UILabel!
     
     var group: NotificationGroup!
     
+    var updateTimestampWorkItem: DispatchWorkItem?
+    
     override func awakeFromNib() {
         super.awakeFromNib()
         
@@ -39,6 +42,7 @@ class FollowNotificationGroupTableViewCell: UITableViewCell {
         let people = group.notificationIDs.compactMap(MastodonCache.notification(for:)).map { $0.account }
         
         updateActionLabel(people: people)
+        updateTimestamp()
         
         avatarStackView.arrangedSubviews.forEach { $0.removeFromSuperview() }
         for account in people {
@@ -75,4 +79,38 @@ class FollowNotificationGroupTableViewCell: UITableViewCell {
         actionLabel.text = "Followed by \(peopleStr)"
     }
     
+    func updateTimestamp() {
+        guard let id = group.notificationIDs.first,
+            let notification = MastodonCache.notification(for: id) else {
+                fatalError("Missing cached notification")
+        }
+        
+        timestampLabel.text = notification.createdAt.timeAgoString()
+        
+        let delay: DispatchTimeInterval?
+        switch notification.createdAt.timeAgo().1 {
+        case .second:
+            delay = .seconds(10)
+        case .minute:
+            delay = .seconds(60)
+        default:
+            delay = nil
+        }
+        if let delay = delay {
+            updateTimestampWorkItem = DispatchWorkItem {
+                self.updateTimestamp()
+            }
+            DispatchQueue.main.asyncAfter(deadline: .now() + delay, execute: updateTimestampWorkItem!)
+        } else {
+            updateTimestampWorkItem = nil
+        }
+    }
+    
+    override func prepareForReuse() {
+        super.prepareForReuse()
+        
+        updateTimestampWorkItem?.cancel()
+        updateTimestampWorkItem = nil
+    }
+    
 }

Tusker/Views/Notifications/FollowNotificationGroupTableViewCell.xib

@@ -16,17 +16,31 @@
                 <rect key="frame" x="0.0" y="0.0" width="320" height="98"/>
                 <autoresizingMask key="autoresizingMask"/>
                 <subviews>
-                    <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" alignment="top" translatesAutoresizingMaskIntoConstraints="NO" id="g8L-M7-dD6">
+                    <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" translatesAutoresizingMaskIntoConstraints="NO" id="g8L-M7-dD6">
                         <rect key="frame" x="74" y="11" width="230" height="76"/>
                         <subviews>
-                            <stackView opaque="NO" contentMode="scaleToFill" spacing="8" translatesAutoresizingMaskIntoConstraints="NO" id="xyB-aZ-YhR">
+                            <stackView opaque="NO" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="7lu-x4-ldA">
                                 <rect key="frame" x="0.0" y="0.0" width="230" height="30"/>
+                                <subviews>
+                                    <stackView opaque="NO" contentMode="scaleToFill" ambiguous="YES" spacing="8" translatesAutoresizingMaskIntoConstraints="NO" id="xyB-aZ-YhR">
+                                        <rect key="frame" x="0.0" y="0.0" width="205.5" height="30"/>
                                         <constraints>
                                             <constraint firstAttribute="height" constant="30" id="3ns-8D-P1Q"/>
                                         </constraints>
                                     </stackView>
+                                    <view contentMode="scaleToFill" horizontalHuggingPriority="249" ambiguous="YES" translatesAutoresizingMaskIntoConstraints="NO" id="eEp-GR-rtF">
+                                        <rect key="frame" x="205.5" y="0.0" width="0.0" height="30"/>
+                                    </view>
+                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" horizontalCompressionResistancePriority="751" text="2m" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Iub-HC-orP">
+                                        <rect key="frame" x="205.5" y="0.0" width="24.5" height="30"/>
+                                        <fontDescription key="fontDescription" type="system" weight="light" pointSize="17"/>
+                                        <color key="textColor" systemColor="secondaryLabelColor" red="0.23529411759999999" green="0.23529411759999999" blue="0.26274509800000001" alpha="0.59999999999999998" colorSpace="custom" customColorSpace="sRGB"/>
+                                        <nil key="highlightedColor"/>
+                                    </label>
+                                </subviews>
+                            </stackView>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Followed by Person 1 and Person 2" textAlignment="natural" lineBreakMode="tailTruncation" numberOfLines="2" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="bHA-9x-pcO">
-                                <rect key="frame" x="0.0" y="30" width="198" height="46"/>
+                                <rect key="frame" x="0.0" y="30" width="230" height="46"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="17"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
@@ -54,6 +68,7 @@
             <connections>
                 <outlet property="actionLabel" destination="bHA-9x-pcO" id="Woa-25-hgd"/>
                 <outlet property="avatarStackView" destination="xyB-aZ-YhR" id="DDp-5c-Qdo"/>
+                <outlet property="timestampLabel" destination="Iub-HC-orP" id="OCV-mm-LXF"/>
             </connections>
             <point key="canvasLocation" x="131.8840579710145" y="171.42857142857142"/>
         </tableViewCell>