feat(meetings): Show upcoming events 📆

NextcloudTalk.xcodeproj/project.pbxproj

@@ -391,6 +391,10 @@
 		2C1ABDCF257E939600AEDFB6 /* NCContact.m in Sources */ = {isa = PBXBuildFile; fileRef = 2C1ABDCD257E939600AEDFB6 /* NCContact.m */; };
 		2C1ABDD0257E939600AEDFB6 /* NCContact.m in Sources */ = {isa = PBXBuildFile; fileRef = 2C1ABDCD257E939600AEDFB6 /* NCContact.m */; };
 		2C1ABDE5257F883400AEDFB6 /* ABContact.m in Sources */ = {isa = PBXBuildFile; fileRef = 2C1ABDE4257F883400AEDFB6 /* ABContact.m */; };
+		2C1C68072D51229500A7F98A /* CalendarEvent.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2C1C68062D51229500A7F98A /* CalendarEvent.swift */; };
+		2C1C68082D51338400A7F98A /* CalendarEvent.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2C1C68062D51229500A7F98A /* CalendarEvent.swift */; };
+		2C1C68092D51338400A7F98A /* CalendarEvent.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2C1C68062D51229500A7F98A /* CalendarEvent.swift */; };
+		2C1C680A2D51338400A7F98A /* CalendarEvent.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2C1C68062D51229500A7F98A /* CalendarEvent.swift */; };
 		2C1D13A3253760EE00EC0533 /* LaunchScreen.xib in Resources */ = {isa = PBXBuildFile; fileRef = 2C1D13A1253760EE00EC0533 /* LaunchScreen.xib */; };
 		2C1EF36B25505DCE007C9768 /* NCNavigationController.m in Sources */ = {isa = PBXBuildFile; fileRef = 2C1EF36A25505DCE007C9768 /* NCNavigationController.m */; };
 		2C1EF36D25505DCE007C9768 /* NCNavigationController.m in Sources */ = {isa = PBXBuildFile; fileRef = 2C1EF36A25505DCE007C9768 /* NCNavigationController.m */; };
@@ -900,6 +904,7 @@
 		2C1ABDCD257E939600AEDFB6 /* NCContact.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = NCContact.m; sourceTree = "<group>"; };
 		2C1ABDE3257F883400AEDFB6 /* ABContact.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ABContact.h; sourceTree = "<group>"; };
 		2C1ABDE4257F883400AEDFB6 /* ABContact.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = ABContact.m; sourceTree = "<group>"; };
+		2C1C68062D51229500A7F98A /* CalendarEvent.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CalendarEvent.swift; sourceTree = "<group>"; };
 		2C1D13A2253760EE00EC0533 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/LaunchScreen.xib; sourceTree = "<group>"; };
 		2C1EF36925505DCE007C9768 /* NCNavigationController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = NCNavigationController.h; sourceTree = "<group>"; };
 		2C1EF36A25505DCE007C9768 /* NCNavigationController.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = NCNavigationController.m; sourceTree = "<group>"; };
@@ -2185,6 +2190,7 @@
 				1F2058292CEA404F00AAA673 /* AiSummaryViewController.swift */,
 				1F20582B2CEA405700AAA673 /* AiSummaryViewController.xib */,
 				1F205B9F2CEE1B8800AAA673 /* AiSummaryController.swift */,
+				2C1C68062D51229500A7F98A /* CalendarEvent.swift */,
 			);
 			name = Chat;
 			sourceTree = "<group>";
@@ -2872,6 +2878,7 @@
 				1FF136132BFB6FCD006A6101 /* RLMSupport.swift in Sources */,
 				1F77A5ED2AB9A408007B6037 /* NCChatMessage.m in Sources */,
 				1F77A5EB2AB9A3EE007B6037 /* BGTaskHelper.swift in Sources */,
+				2C1C680A2D51338400A7F98A /* CalendarEvent.swift in Sources */,
 				1F205C532CEF91C500AAA673 /* UserAbsence.swift in Sources */,
 				1FF136182BFB74D0006A6101 /* NCChatMessage.swift in Sources */,
 				1F77A5FC2AB9A4ED007B6037 /* NCRoom.m in Sources */,
@@ -3019,6 +3026,7 @@
 				1F1B50472B90CDF800B0F2F4 /* TalkCapabilities.m in Sources */,
 				2CA1CCD01F1E1779002FE6A2 /* SearchTableViewController.m in Sources */,
 				1F1C0D8929AFB89900D17C6D /* VLCKitVideoViewController.swift in Sources */,
+				2C1C68072D51229500A7F98A /* CalendarEvent.swift in Sources */,
 				2C9B0B98217F6DBA00A4752C /* NCNotificationController.m in Sources */,
 				2CC3166E2CC698E1007CBE16 /* TextFieldTableViewCell.swift in Sources */,
 				2C36A04A261487BC0026F04A /* DetailedOptionsSelectorTableViewController.m in Sources */,
@@ -3177,6 +3185,7 @@
 				2C62AFFD24C1BDA5007E460A /* NCMessageParameter.m in Sources */,
 				1F35F8EC2AEEBC1400044BDA /* UIScrollView+SLKAdditions.m in Sources */,
 				1FF136172BFB74CF006A6101 /* NCChatMessage.swift in Sources */,
+				2C1C68092D51338400A7F98A /* CalendarEvent.swift in Sources */,
 				2CF338E22CED388B0029CACC /* AvatarView.swift in Sources */,
 				1FF4DA8A2C0262BB00C1B952 /* NCBaseSessionManager.swift in Sources */,
 				2C62B00C24C1BDC1007E460A /* NCNotification.m in Sources */,
@@ -3259,6 +3268,7 @@
 				F644A2DF2CE28C8D00E2ED81 /* NCChatFileStatus.swift in Sources */,
 				2C1ABDCF257E939600AEDFB6 /* NCContact.m in Sources */,
 				2CC001DC24A37AD400A20167 /* NCAppBranding.m in Sources */,
+				2C1C68082D51338400A7F98A /* CalendarEvent.swift in Sources */,
 				2C4446D42658147900DF1DBC /* TalkAccount.m in Sources */,
 				1FDCC3E329EC787400DEB39B /* AvatarManager.swift in Sources */,
 				1FF4DA852C025DC000C1B952 /* NCAPISessionManager.swift in Sources */,

NextcloudTalk/CalendarEvent.swift

@@ -0,0 +1,57 @@
+//
+// SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+
+import Foundation
+
+struct CalendarEvent {
+
+    var calendarAppUrl: String
+    var calendarUri: String
+    var location: String
+    var recurrenceId: String
+    var start: Int
+    var summary: String
+    var uri: String
+
+    init(dictionary: [String: Any]) {
+        self.calendarAppUrl = dictionary["calendarAppUrl"] as? String ?? ""
+        self.calendarUri = dictionary["calendarUri"] as? String ?? ""
+        self.location = dictionary["location"] as? String ?? ""
+        self.recurrenceId = dictionary["recurrenceId"] as? String ?? ""
+        self.start = dictionary["start"] as? Int ?? -1
+        self.summary = dictionary["summary"] as? String ?? ""
+        self.uri = dictionary["uri"] as? String ?? ""
+    }
+
+    func readableStartTime() -> String {
+        let eventDate = Date(timeIntervalSince1970: TimeInterval(start))
+        let now = Date()
+
+        // Event happening now
+        if eventDate <= now {
+            return NSLocalizedString("Now", comment: "Indicates an event happening right now")
+        }
+
+        // Event happening following days (except today or tomorrow)
+        let calendar = Calendar.current
+        if let nextWeek = calendar.date(byAdding: .day, value: 7, to: now),
+           !calendar.isDateInToday(eventDate), !calendar.isDateInTomorrow(eventDate),
+           eventDate < calendar.startOfDay(for: nextWeek) {
+            return eventDate.formatted(
+                .dateTime
+                .weekday(.wide)
+                .hour(.conversationalTwoDigits(amPM: .wide))
+                .minute(.defaultDigits))
+        }
+
+        // Event happening today, tomorrow or later than a week
+        let dateFormatter = DateFormatter()
+        dateFormatter.dateStyle = .medium
+        dateFormatter.timeStyle = .short
+        dateFormatter.doesRelativeDateFormatting = true
+
+        return dateFormatter.string(from: eventDate)
+    }
+}

NextcloudTalk/ChatViewController.swift

@@ -57,7 +57,7 @@ import SwiftyAttributes
 
     private var lobbyCheckTimer: Timer?
 
-    // MARK: - Call buttons in NavigationBar
+    // MARK: - Buttons in NavigationBar
 
     func getCallOptionsBarButton() -> BarButtonItemWithActivity {
         let symbolConfiguration = UIImage.SymbolConfiguration(pointSize: 20)
@@ -158,6 +158,37 @@ import SwiftyAttributes
         return callOptionsButton
     }()
 
+    private lazy var upcomingEventsButton: BarButtonItemWithActivity = {
+        let symbolConfiguration = UIImage.SymbolConfiguration(pointSize: 20)
+        let buttonImage = UIImage(systemName: "calendar", withConfiguration: symbolConfiguration)
+        let upcomingEventsButton = BarButtonItemWithActivity(width: 50, with: buttonImage)
+
+        let deferredUpcomingEvents = UIDeferredMenuElement { [weak self] completion in
+            guard let self = self else { return }
+
+            NCAPIController.sharedInstance().upcomingEvents(self.room, forAccount: self.account) { events in
+                let actions: [UIAction]
+                if !events.isEmpty {
+                    actions = events.map { event in
+                        UIAction(title: event.summary, subtitle: event.readableStartTime(), handler: { _ in })
+                    }
+                } else {
+                    actions = [UIAction(title: NSLocalizedString("No upcoming events", comment: ""), attributes: .disabled, handler: { _ in })]
+                }
+
+                completion(actions)
+            }
+        }
+
+        upcomingEventsButton.innerButton.menu = UIMenu(children: [deferredUpcomingEvents])
+        upcomingEventsButton.innerButton.showsMenuAsPrimaryAction = true
+
+        upcomingEventsButton.accessibilityLabel = NSLocalizedString("Upcoming events", comment: "")
+        upcomingEventsButton.accessibilityHint = NSLocalizedString("Double tap to display upcoming events", comment: "")
+
+        return upcomingEventsButton
+    }()
+
     private var messageExpirationTimer: Timer?
 
     public override init?(forRoom room: NCRoom, withAccount account: TalkAccount) {
@@ -209,10 +240,18 @@ import SwiftyAttributes
     public override func viewDidLoad() {
         super.viewDidLoad()
 
+        var barButtonsItems: [UIBarButtonItem] = []
+        // Call options
         if room.supportsCalling {
-            self.navigationItem.rightBarButtonItems = [callOptionsButton]
+            barButtonsItems.append(callOptionsButton)
+        }
+        // Upcoming events
+        if NCDatabaseManager.sharedInstance().serverHasTalkCapability(kCapabilityScheduleMeeting, forAccountId: room.accountId) {
+            barButtonsItems.append(upcomingEventsButton)
         }
 
+        self.navigationItem.rightBarButtonItems = barButtonsItems
+
         // No sharing options in federation v1
         if room.isFederated {
             // When hiding the button it is still respected in the layout constraints
@@ -291,7 +330,7 @@ import SwiftyAttributes
         // Check if new messages were added while the app was inactive (eg. via background-refresh)
         self.checkForNewStoredMessages()
 
-        if !self.offlineMode {            
+        if !self.offlineMode {
             NCRoomsManager.sharedInstance().joinRoom(self.room.token, forCall: false)
         }
 

NextcloudTalk/NCAPIControllerExtensions.swift

@@ -680,4 +680,27 @@ import Foundation
             completionBlock(message)
         }
     }
+
+    // MARK: - Upcoming events
+
+    @nonobjc
+    func upcomingEvents(_ room: NCRoom, forAccount account: TalkAccount, completionBlock: @escaping (_ events: [CalendarEvent]) -> Void) {
+        guard let encodedRoomLink = room.linkURL?.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed),
+              let apiSessionManager = self.apiSessionManagers.object(forKey: account.accountId) as? NCAPISessionManager
+        else {
+            completionBlock([])
+            return
+        }
+
+        let urlString = "\(account.server)/ocs/v2.php/apps/dav/api/v1/events/upcoming?location=\(encodedRoomLink)"
+
+        apiSessionManager.getOcs(urlString, account: account) { ocsResponse, error in
+            if error == nil, let events = ocsResponse?.dataDict?["events"] as? [[String: Any]] {
+                let calendarEvents = events.map { CalendarEvent(dictionary: $0) }
+                completionBlock(calendarEvents)
+            } else {
+                completionBlock([])
+            }
+        }
+    }
 }

NextcloudTalk/NCDatabaseManager.h

@@ -80,6 +80,7 @@ extern NSString * const kCapabilityCallNotificationState;
 extern NSString * const kCapabilityCallForceMute;
 extern NSString * const kCapabilityTalkPollsDrafts;
 extern NSString * const kCapabilityEditDraftPoll;
+extern NSString * const kCapabilityScheduleMeeting;
 
 extern NSString * const kNotificationsCapabilityExists;
 extern NSString * const kNotificationsCapabilityTestPush;

NextcloudTalk/NCDatabaseManager.m

@@ -81,6 +81,7 @@
 NSString * const kCapabilityForceMute               = @"force-mute";
 NSString * const kCapabilityTalkPollsDrafts         = @"talk-polls-drafts";
 NSString * const kCapabilityEditDraftPoll           = @"edit-draft-poll";
+NSString * const kCapabilityScheduleMeeting         = @"schedule-meeting";
 
 NSString * const kNotificationsCapabilityExists     = @"exists";
 NSString * const kNotificationsCapabilityTestPush   = @"test-push";

NextcloudTalk/en.lproj/Localizable.strings

@@ -817,6 +817,9 @@
 /* No comment provided by engineer. */
 "Double tap to display call options" = "Double tap to display call options";
 
+/* No comment provided by engineer. */
+"Double tap to display upcoming events" = "Double tap to display upcoming events";
+
 /* No comment provided by engineer. */
 "Double tap to edit profile" = "Double tap to edit profile";
 
@@ -1360,6 +1363,9 @@
 /* No comment provided by engineer. */
 "No shared items" = "No shared items";
 
+/* No comment provided by engineer. */
+"No upcoming events" = "No upcoming events";
+
 /* No comment provided by engineer. */
 "No user found" = "No user found";
 
@@ -1384,6 +1390,9 @@
 /* No comment provided by engineer. */
 "Notifications: %@" = "Notifications: %@";
 
+/* Indicates an event happening right now */
+"Now" = "Now";
+
 /* No comment provided by engineer. */
 "Off" = "Off";
 
@@ -2011,6 +2020,9 @@
 /* No comment provided by engineer. */
 "Unread messages" = "Unread messages";
 
+/* No comment provided by engineer. */
+"Upcoming events" = "Upcoming events";
+
 /* No comment provided by engineer. */
 "Update" = "Update";