Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/Postbox/Sources/MediaResource.swift

@@ -0,0 +1,66 @@
+import Foundation
+
+public struct MediaResourceId: Equatable, Hashable {
+    public var stringRepresentation: String
+
+    public init(_ stringRepresentation: String) {
+        self.stringRepresentation = stringRepresentation
+    }
+}
+
+public protocol MediaResource: AnyObject {
+    var id: MediaResourceId { get }
+    var size: Int64? { get }
+    var streamable: Bool { get }
+    var headerSize: Int32 { get }
+    
+    func isEqual(to: MediaResource) -> Bool
+}
+
+public extension MediaResource {
+    var streamable: Bool {
+        return false
+    }
+    
+    var headerSize: Int32 {
+        return 0
+    }
+}
+
+public protocol CachedMediaResourceRepresentation {
+    var uniqueId: String { get }
+    var keepDuration: CachedMediaRepresentationKeepDuration { get }
+    func isEqual(to: CachedMediaResourceRepresentation) -> Bool
+}
+
+public protocol MediaResourceFetchTag {
+}
+
+public protocol MediaResourceFetchInfo {
+}
+
+public final class MediaResourceStorageLocation {
+    public let peerId: PeerId
+    public let messageId: MessageId?
+    
+    public init(peerId: PeerId, messageId: MessageId?) {
+        self.peerId = peerId
+        self.messageId = messageId
+    }
+}
+
+public struct MediaResourceFetchParameters {
+    public let tag: MediaResourceFetchTag?
+    public let info: MediaResourceFetchInfo?
+    public let location: MediaResourceStorageLocation?
+    public let contentType: UInt8
+    public let isRandomAccessAllowed: Bool
+    
+    public init(tag: MediaResourceFetchTag?, info: MediaResourceFetchInfo?, location: MediaResourceStorageLocation?, contentType: UInt8, isRandomAccessAllowed: Bool) {
+        self.tag = tag
+        self.info = info
+        self.location = location
+        self.contentType = contentType
+        self.isRandomAccessAllowed = isRandomAccessAllowed
+    }
+}