initial commit

ios_client/EncryptedChat/Models/Message.swift

@@ -0,0 +1,33 @@
+import Foundation
+
+struct Message: Identifiable, Equatable {
+    let id: String
+    let conversationId: String
+    let senderId: String
+    var senderUsername: String
+    let createdAt: Date
+    var text: String?
+    var replyTo: String?
+    var imageFileId: String?
+    var file: FileInfo?
+    var isDeleted: Bool
+    var readBy: Set<String>
+
+    /// Whether this is a self-sent message
+    func isMine(currentUserId: String) -> Bool {
+        senderId == currentUserId
+    }
+
+    static func == (lhs: Message, rhs: Message) -> Bool {
+        lhs.id == rhs.id
+    }
+}
+
+struct FileInfo: Equatable, Codable {
+    let fileId: String
+    let aesKey: String   // hex
+    let iv: String       // hex
+    let filename: String
+    let size: Int
+    let mimeType: String
+}