Add the inviter to JoinRoomScreen when it's an invite. (#3093)

* Add inviter property to RoomProxyProtocol.

* Extract the room cell inviter label into it's own view.

* Use the new RoomInviterLabel in the JoinRoomScreen.

* Fix bug with invite to a public room.

ElementX/Sources/Screens/HomeScreen/HomeScreenModels.swift

@@ -144,12 +144,6 @@ struct HomeScreenRoom: Identifiable, Equatable {
         case invite
     }
     
-    struct InviterDetails: Equatable {
-        let userID: String
-        let displayName: String?
-        let avatarURL: URL?
-    }
-    
     static let placeholderLastMessage = AttributedString("Hidden last message")
         
     /// The list item identifier is it's room identifier.
@@ -182,7 +176,7 @@ struct HomeScreenRoom: Identifiable, Equatable {
     
     let avatar: RoomAvatar
     
-    let inviter: InviterDetails?
+    let inviter: RoomInviterDetails?
     
     let canonicalAlias: String?
     
@@ -215,12 +209,7 @@ extension HomeScreenRoom {
         let isCallShown = summary.hasOngoingCall
         let isHighlighted = summary.isMarkedUnread || (!summary.isMuted && (summary.hasUnreadNotifications || summary.hasUnreadMentions))
         
-        var inviter: InviterDetails?
-        if let roomMemberProxy = summary.inviter {
-            inviter = .init(userID: roomMemberProxy.userID,
-                            displayName: roomMemberProxy.displayName,
-                            avatarURL: roomMemberProxy.avatarURL)
-        }
+        let inviter = summary.inviter.map(RoomInviterDetails.init)
         
         self.init(id: identifier,
                   roomID: summary.id,

ElementX/Sources/Screens/HomeScreen/View/HomeScreenInviteCell.swift

@@ -74,17 +74,10 @@ struct HomeScreenInviteCell: View {
 
     @ViewBuilder
     private var inviterView: some View {
-        if let invitedText = attributedInviteText, let name = room.inviter?.displayName {
-            HStack(alignment: .firstTextBaseline, spacing: 8) {
-                LoadableAvatarImage(url: room.inviter?.avatarURL,
-                                    name: name,
-                                    contentID: name,
-                                    avatarSize: .custom(16),
-                                    imageProvider: context.imageProvider)
-                    .alignmentGuide(.firstTextBaseline) { $0[.bottom] * 0.8 }
-                
-                Text(invitedText)
-            }
+        if let inviter = room.inviter, !room.isDirect {
+            RoomInviterLabel(inviter: inviter, imageProvider: context.imageProvider)
+                .font(.compound.bodyMD)
+                .foregroundStyle(.compound.textPlaceholder)
         }
     }
     
@@ -130,27 +123,7 @@ struct HomeScreenInviteCell: View {
     }
     
     private var subtitle: String? {
-        room.isDirect ? room.inviter?.userID : room.canonicalAlias
-    }
-    
-    private var attributedInviteText: AttributedString? {
-        guard
-            room.isDirect == false,
-            let inviterName = room.inviter?.displayName,
-            let inviterID = room.inviter?.userID
-        else {
-            return nil
-        }
-        
-        let text = L10n.screenInvitesInvitedYou(inviterName, inviterID)
-        var attributedString = AttributedString(text)
-        attributedString.font = .compound.bodyMD
-        attributedString.foregroundColor = .compound.textPlaceholder
-        if let range = attributedString.range(of: inviterName) {
-            attributedString[range].foregroundColor = .compound.textPrimary
-            attributedString[range].font = .compound.bodyMDSemibold
-        }
-        return attributedString
+        room.isDirect ? room.inviter?.id : room.canonicalAlias
     }
     
     private var badge: some View {