App icon, group member annotations, variable spacing

kordophone2/Models.swift

@@ -23,6 +23,10 @@ enum Display
             else { return participants.joined(separator: ", ") }
         }
         
+        var isGroupChat: Bool {
+            participants.count > 1
+        }
+        
         init(from c: Serialized.Conversation) {
             self.id = c.guid
             self.name = c.displayName
@@ -62,7 +66,7 @@ enum Display
             }
             
             self.attachments = m.attachments.map { attachment in
-                ImageAttachment(from: attachment, sender: sender)
+                ImageAttachment(from: attachment, dateSent: m.date, sender: sender)
             }
             
             self.sender = sender
@@ -89,6 +93,7 @@ enum Display
     {
         let id: String
         let sender: Sender
+        let dateSent: Date
         let data: Serialized.Attachment
         
         var size: CGSize? {
@@ -107,21 +112,37 @@ enum Display
             data.previewPath
         }
         
-        init(from serialized: Serialized.Attachment, sender: Sender) {
+        init(from serialized: Serialized.Attachment, dateSent: Date, sender: Sender) {
             self.id = serialized.guid
             self.sender = sender
             self.data = serialized
+            self.dateSent = dateSent
         }
     }
     
-    enum Sender
+    enum Sender: Identifiable, Equatable
     {
         case me
         case counterpart(String)
         
+        var id: String { displayName }
+        
         var isMe: Bool {
             if case .me = self { true } else { false }
         }
+        
+        var displayName: String {
+            switch self {
+            case .me: 
+                "Me"
+            case .counterpart(let string):
+                string
+            }
+        }
+        
+        static func ==(lhs: Sender, rhs: Sender) -> Bool {
+            return lhs.displayName == rhs.displayName
+        }
     }
 }