Merge branch 'release/0.18.9/master'

CHANGES.rst

@@ -1,3 +1,30 @@
+Changes in 0.18.9 (2021-04-16)
+=================================================
+
+✨ Features
+ * 
+
+🙌 Improvements
+ * 
+
+🐛 Bugfix
+* Notifications: Fix sender display name that can miss (vector-im/element-ios/issues/#4222). 
+
+⚠️ API Changes
+ * 
+
+🗣 Translations
+ * 
+
+🧱 Build
+ * 
+
+Others
+ * 
+
+Improvements:
+
+
 Changes in 0.18.8 (2021-04-14)
 =================================================
 

MatrixSDK.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "MatrixSDK"
-  s.version      = "0.18.8"
+  s.version      = "0.18.9"
   s.summary      = "The iOS SDK to build apps compatible with Matrix (https://www.matrix.org)"
 
   s.description  = <<-DESC

MatrixSDK/Background/MXBackgroundSyncService.swift

@@ -52,6 +52,9 @@ public enum MXBackgroundSyncServiceError: Error {
     /// Cached events. Keys are even identifiers.
     private var cachedEvents: [String: MXEvent] = [:]
 
+    /// Cached profiles. UserId -> (displayName, avatarUrl)
+    private var cachedProfiles: [String: (String?, String?)] = [:]
+
     /// See MXSyncResponseStoreManager.syncResponseCacheSizeLimit
     public var syncResponseCacheSizeLimit: Int {
         get {
@@ -131,6 +134,40 @@ public enum MXBackgroundSyncServiceError: Error {
         }
     }
 
+    /// Get the profile of a room member.
+    ///
+    /// This method must be called when the member is not visible in the room state. It happens in case of
+    /// lazy loading of room members, not all members are known yet.
+    ///
+    /// - Parameters:
+    ///   - userId: The user id.
+    ///   - roomId: The room id.
+    ///   - completion: Completion block to be called. Always called in main thread.
+    public func profile(ofMember userId: String, inRoom roomId: String, completion: @escaping (MXResponse<(String?, String?)>) -> Void) {
+
+        // There is no CS API to get a single member in a room. /members will be expensive in a room with thousands of users.
+        // So, use the simplest possible HS API to get the data, the profile API.
+        // It will not take into account customised name into the room but that will be better than a Matrix id.
+
+        // Check cache first
+        if let (displayName, avatarUrl) = cachedProfiles[userId] {
+            Queues.dispatchQueue.async {
+                completion(.success((displayName, avatarUrl)))
+            }
+            return
+        }
+
+        // Else make a request
+        restClient.profile(forUser: userId) { (response) in
+            Queues.dispatchQueue.async {
+                if let (displayName, avatarUrl) = response.value {
+                    self.cachedProfiles[userId] = (displayName, avatarUrl)
+                }
+                completion(response)
+            }
+        }
+    }
+
     /// Check whether the given room is mentions only.
     /// - Parameter roomId: The room identifier to be checked
     /// - Returns: If the room is mentions only.

MatrixSDK/MatrixSDKVersion.m

@@ -16,4 +16,4 @@
 
 #import <Foundation/Foundation.h>
 
-NSString *const MatrixSDKVersion = @"0.18.8";
+NSString *const MatrixSDKVersion = @"0.18.9";