Refactoring

submodules/TelegramCore/Sources/Network/FetchHttpResource.swift

@@ -0,0 +1,31 @@
+import Foundation
+import Postbox
+import SwiftSignalKit
+import MtProtoKit
+
+public func fetchHttpResource(url: String) -> Signal<MediaResourceDataFetchResult, MediaResourceDataFetchError> {
+    if let url = URL(string: url) {
+        let signal = MTHttpRequestOperation.data(forHttpUrl: url)!
+        return Signal { subscriber in
+            subscriber.putNext(.reset)
+            let disposable = signal.start(next: { next in
+                if let response = next as? MTHttpResponse {
+                    let fetchResult: MediaResourceDataFetchResult = .dataPart(resourceOffset: 0, data: response.data, range: 0 ..< response.data.count, complete: true)
+                    subscriber.putNext(fetchResult)
+                    subscriber.putCompletion()
+                } else {
+                    subscriber.putError(.generic)
+                }
+            }, error: { _ in
+                subscriber.putError(.generic)
+            }, completed: {
+            })
+            
+            return ActionDisposable {
+                disposable?.dispose()
+            }
+        }
+    } else {
+        return .never()
+    }
+}