Loading images and user avatars.

2026-11-05 20:09:04 +00:00 · 2022-03-17 18:09:29 +02:00
parent 30378ae6a9
commit 120bcaf012
31 changed files with 542 additions and 207 deletions
@@ -0,0 +1,51 @@
+//
+//  TimelineItemFactory.swift
+//  ElementX
+//
+//  Created by Stefan Ceriu on 16/03/2022.
+//  Copyright © 2022 Element. All rights reserved.
+//
+
+import Foundation
+import UIKit
+
+struct RoomTimelineItemFactory {
+    private let mediaProvider: MediaProviderProtocol
+    
+    init(mediaProvider: MediaProviderProtocol) {
+        self.mediaProvider = mediaProvider
+    }
+    
+    func buildTimelineItemFor(_ roomMessage: RoomMessageProtocol, showSenderDetails: Bool) -> RoomTimelineItemProtocol {
+        switch roomMessage {
+        case let message as TextRoomMessage:
+            return TextRoomTimelineItem(id: message.id,
+                                        text: message.content,
+                                        timestamp: message.originServerTs.formatted(date: .omitted, time: .shortened),
+                                        shouldShowSenderDetails: showSenderDetails,
+                                        sender: message.sender)
+        case let message as ImageRoomMessage:
+            var image: UIImage?
+            
+            if let url = message.url {
+                if mediaProvider.hasImageCachedForURL(url) {
+                    mediaProvider.loadImageFromURL(url, { result in
+                        if case let .success(cachedImage) = result {
+                            image = cachedImage
+                        }
+                    })
+                }
+            }
+            
+            return ImageRoomTimelineItem(id: message.id,
+                                         text: message.content,
+                                         timestamp: message.originServerTs.formatted(date: .omitted, time: .shortened),
+                                         shouldShowSenderDetails: showSenderDetails,
+                                         sender: message.sender,
+                                         url: message.url,
+                                         image: image)
+        default:
+            fatalError("Unknown room message.")
+        }
+    }
+}