Added html body to text messages and rendering through Apple's default NSAttributedString.DocumentType.html parser

ElementX/Sources/Screens/HomeScreen/HomeScreenViewModel.swift

@@ -159,7 +159,7 @@ class HomeScreenViewModel: HomeScreenViewModelType, HomeScreenViewModelProtocol
                         return
                     }
                     
-                    self.updateLastMessage(lastMessage.content, forRoomWithIdentifier: roomIdentifier)
+                    self.updateLastMessage(lastMessage.body, forRoomWithIdentifier: roomIdentifier)
                 default:
                     break
                 }

ElementX/Sources/Services/Room/Messages/ImageRoomMessage.swift

@@ -20,8 +20,8 @@ struct ImageRoomMessage: RoomMessageProtocol {
         message.baseMessage().id()
     }
     
-    var content: String {
+    var body: String {
-        message.baseMessage().content()
+        message.baseMessage().body()
     }
     
     var sender: String {

ElementX/Sources/Services/Room/Messages/RoomMessageProtocol.swift

@@ -10,7 +10,7 @@ import Foundation
 
 protocol RoomMessageProtocol {
     var id: String { get }
-    var content: String { get }
+    var body: String { get }
     var sender: String { get }
     var originServerTs: Date { get }
 }

ElementX/Sources/Services/Room/Messages/TextRoomMessage.swift

@@ -21,8 +21,12 @@ struct TextRoomMessage: RoomMessageProtocol {
         message.baseMessage().id()
     }
     
-    var content: String {
+    var body: String {
-        message.baseMessage().content()
+        message.baseMessage().body()
+    }
+    
+    var htmlBody: String? {
+        message.htmlBody()
     }
     
     var sender: String {

ElementX/Sources/Services/Room/RoomProxy.swift

@@ -49,31 +49,35 @@ class RoomProxy: RoomProxyProtocol, Equatable {
     }
     
     var id: String {
-        return room.id()
+        room.id()
-    }
-    
-    var isDirect: Bool {
-        return room.isDirect()
-    }
-    
-    var isPublic: Bool {
-        return room.isPublic()
-    }
-    
-    var isSpace: Bool {
-        return room.isSpace()
-    }
-    
-    var isEncrypted: Bool {
-        return room.isEncrypted()
     }
     
     var name: String? {
-        return room.name()
+        room.name()
     }
         
     var topic: String? {
-        return room.topic()
+        room.topic()
+    }
+    
+    var isDirect: Bool {
+        room.isDirect()
+    }
+    
+    var isPublic: Bool {
+        room.isPublic()
+    }
+    
+    var isSpace: Bool {
+        room.isSpace()
+    }
+    
+    var isEncrypted: Bool {
+        room.isEncrypted()
+    }
+    
+    var isTombstoned: Bool {
+        room.isTombstoned()
     }
     
     var lastMessage: String? {
@@ -154,7 +158,7 @@ class RoomProxy: RoomProxyProtocol, Equatable {
             DispatchQueue.main.async {                
                 callback?(.success(messages))
                 if self.lastMessage == nil {
-                    self.lastMessage = messages.last?.content ?? ""
+                    self.lastMessage = messages.last?.body ?? ""
                 }
             }
         }
@@ -170,7 +174,7 @@ class RoomProxy: RoomProxyProtocol, Equatable {
     
     fileprivate func appendMessage(_ message: AnyMessage) {
         let message = self.messageFactory.buildRoomMessageFrom(message)
-        lastMessage = message.content
+        lastMessage = message.body
         
         callbacks.send(.addedMessage(message))
     }

ElementX/Sources/Services/Timeline/MockRoomTimelineController.swift

@@ -14,10 +14,10 @@ class MockRoomTimelineController: RoomTimelineControllerProtocol {
     let callbacks = PassthroughSubject<RoomTimelineControllerCallback, Never>()
     
     var timelineItems: [RoomTimelineItemProtocol] = [SeparatorRoomTimelineItem(id: UUID().uuidString, text: "Yesterday"),
-                                                     TextRoomTimelineItem(id: UUID().uuidString, text: "You rock!", timestamp: "10:10 AM", shouldShowSenderDetails: true, senderId: "Alice"),
+                                                     TextRoomTimelineItem(id: UUID().uuidString, body: "You rock!", timestamp: "10:10 AM", shouldShowSenderDetails: true, senderId: "Alice"),
-                                                     TextRoomTimelineItem(id: UUID().uuidString, text: "You also rule!", timestamp: "10:11 AM", shouldShowSenderDetails: false, senderId: "Alice"),
+                                                     TextRoomTimelineItem(id: UUID().uuidString, body: "You also rule!", timestamp: "10:11 AM", shouldShowSenderDetails: false, senderId: "Alice"),
                                                      SeparatorRoomTimelineItem(id: UUID().uuidString, text: "Today"),
-                                                     TextRoomTimelineItem(id: UUID().uuidString, text: "You too!", timestamp: "5 PM", shouldShowSenderDetails: true, senderId: "Bob")]
+                                                     TextRoomTimelineItem(id: UUID().uuidString, body: "You too!", timestamp: "5 PM", shouldShowSenderDetails: true, senderId: "Bob")]
     
     func paginateBackwards(_ count: UInt, callback: ((Result<Void, RoomTimelineControllerError>) -> Void)) {
         callbacks.send(.updatedTimelineItems)

ElementX/Sources/Services/Timeline/TimelineItems/EventBasedTimelineItemProtocol.swift

@@ -10,7 +10,7 @@ import Foundation
 import UIKit
 
 protocol EventBasedTimelineItemProtocol: RoomTimelineItemProtocol {
-    var text: String { get }
+    var body: String { get }
     var timestamp: String { get }
     var shouldShowSenderDetails: Bool { get }
     

ElementX/Sources/Services/Timeline/TimelineItems/Items/ImageRoomTimelineItem.swift

@@ -11,7 +11,7 @@ import UIKit
 
 struct ImageRoomTimelineItem: EventBasedTimelineItemProtocol, Identifiable, Equatable {
     let id: String
-    let text: String
+    let body: String
     let timestamp: String
     let shouldShowSenderDetails: Bool
     

ElementX/Sources/Services/Timeline/TimelineItems/Items/TextRoomTimelineItem.swift

@@ -11,7 +11,8 @@ import UIKit
 
 struct TextRoomTimelineItem: EventBasedTimelineItemProtocol, Identifiable, Equatable {
     let id: String
-    let text: String
+    let body: String
+    var htmlBody: String?
     let timestamp: String
     let shouldShowSenderDetails: Bool
     

ElementX/Sources/Services/Timeline/TimelineItems/RoomTimelineItemFactory.swift

@@ -28,7 +28,8 @@ struct RoomTimelineItemFactory {
         switch roomMessage {
         case let message as TextRoomMessage:
             return TextRoomTimelineItem(id: message.id,
-                                        text: message.content,
+                                        body: message.body,
+                                        htmlBody: message.htmlBody,
                                         timestamp: message.originServerTs.formatted(date: .omitted, time: .shortened),
                                         shouldShowSenderDetails: showSenderDetails,
                                         senderId: message.sender,
@@ -36,7 +37,7 @@ struct RoomTimelineItemFactory {
                                         senderAvatar: avatarImage)
         case let message as ImageRoomMessage:
             return ImageRoomTimelineItem(id: message.id,
-                                         text: message.content,
+                                         body: message.body,
                                          timestamp: message.originServerTs.formatted(date: .omitted, time: .shortened),
                                          shouldShowSenderDetails: showSenderDetails,
                                          senderId: message.sender,

ElementX/Sources/Services/Timeline/TimelineItems/Views/ImageRoomTimelineView.swift

@@ -16,7 +16,7 @@ struct ImageRoomTimelineView: View {
         if let image = timelineItem.image {
             VStack(alignment: .leading) {
                 EventBasedTimelineView(timelineItem: timelineItem)
-                Text(timelineItem.text)
+                Text(timelineItem.body)
                 Image(uiImage: image)
                     .resizable()
                     .scaledToFit()
@@ -24,7 +24,7 @@ struct ImageRoomTimelineView: View {
         } else {
             VStack(alignment: .center) {
                 HStack {
-                    Text(timelineItem.text)
+                    Text(timelineItem.body)
                     Spacer()
                 }
                 ProgressView("Loading")
@@ -37,7 +37,7 @@ struct ImageRoomTimelineView_Previews: PreviewProvider {
     static var previews: some View {
         VStack {
             let timelineItem = ImageRoomTimelineItem(id: UUID().uuidString,
-                                                     text: "Some image",
+                                                     body: "Some image",
                                                      timestamp: "Now",
                                                      shouldShowSenderDetails: false,
                                                      senderId: "Bob",
@@ -46,7 +46,7 @@ struct ImageRoomTimelineView_Previews: PreviewProvider {
             ImageRoomTimelineView(timelineItem: timelineItem)
             
             let timelineItem = ImageRoomTimelineItem(id: UUID().uuidString,
-                                                     text: "Some other image",
+                                                     body: "Some other image",
                                                      timestamp: "Now",
                                                      shouldShowSenderDetails: false,
                                                      senderId: "Bob",

ElementX/Sources/Services/Timeline/TimelineItems/Views/TextRoomTimelineView.swift

@@ -15,30 +15,52 @@ struct TextRoomTimelineView: View {
     var body: some View {
         VStack(alignment: .leading) {
             EventBasedTimelineView(timelineItem: timelineItem)
-            if let attributedString = try? AttributedString(markdown: timelineItem.text) {
+            
+            if let htmlString = buildHtmlString() {
+                Text(AttributedString(htmlString))
+                    .fixedSize(horizontal: false, vertical: true)
+            } else {
+                if let attributedString = try? AttributedString(markdown: timelineItem.body) {
                     Text(attributedString)
                         .fixedSize(horizontal: false, vertical: true)
                 } else {
-                Text(timelineItem.text)
+                    Text(timelineItem.body)
                         .fixedSize(horizontal: false, vertical: true)
                 }
             }
+        }
         .id(timelineItem.id)
     }
+    
+    private func buildHtmlString() -> NSAttributedString? {
+        guard let formattedText = timelineItem.htmlBody,
+              let encodedData = formattedText.data(using: String.Encoding.utf8) else {
+            return nil
+              }
+        
+        do {
+            return try NSAttributedString(data: encodedData, options: [
+                NSAttributedString.DocumentReadingOptionKey.documentType: NSAttributedString.DocumentType.html,
+                NSAttributedString.DocumentReadingOptionKey.characterEncoding: NSNumber(value: String.Encoding.utf8.rawValue)
+            ], documentAttributes: nil)
+        } catch {
+            return nil
+        }
+    }
 }
 
 struct TextRoomTimelineView_Previews: PreviewProvider {
     static var previews: some View {
         VStack(spacing: 20.0) {
             let timelineItem = TextRoomTimelineItem(id: UUID().uuidString,
-                                                    text: "Short loin ground round tongue hamburger, fatback salami shoulder. Beef turkey sausage kielbasa strip steak. Alcatra capicola pig tail pancetta chislic.",
+                                                    body: "Short loin ground round tongue hamburger, fatback salami shoulder. Beef turkey sausage kielbasa strip steak. Alcatra capicola pig tail pancetta chislic.",
                                                     timestamp: "Now",
                                                     shouldShowSenderDetails: true,
                                                     senderId: "Bob")
             TextRoomTimelineView(timelineItem: timelineItem)
             
             let timelineItem = TextRoomTimelineItem(id: UUID().uuidString,
-                                                    text: "Some other text",
+                                                    body: "Some other text",
                                                     timestamp: "Later",
                                                     shouldShowSenderDetails: true,
                                                     senderId: "Anne")