Add channels thumbnails to cells and list

Shared/Channels/ChannelLinkView.swift

@@ -0,0 +1,76 @@
+import Foundation
+import SwiftUI
+
+struct ChannelLinkView<ChannelLabel: View>: View {
+    let channel: Channel
+    let channelLabel: ChannelLabel
+
+    @Environment(\.inChannelView) private var inChannelView
+    @Environment(\.navigationStyle) private var navigationStyle
+
+    init(
+        channel: Channel,
+        @ViewBuilder channelLabel: () -> ChannelLabel
+    ) {
+        self.channel = channel
+        self.channelLabel = channelLabel()
+    }
+
+    var body: some View {
+        channelControl
+    }
+
+    @ViewBuilder private var channelControl: some View {
+        if !channel.name.isEmpty {
+            #if os(tvOS)
+                channelLabel
+            #else
+                if navigationStyle == .tab {
+                    channelNavigationLink
+                } else {
+                    channelButton
+                    #if os(macOS)
+                    .onHover(perform: onHover(_:))
+                    #endif
+                }
+            #endif
+        }
+    }
+
+    @ViewBuilder private var channelNavigationLink: some View {
+        NavigationLink(destination: ChannelVideosView(channel: channel)) {
+            channelLabel
+        }
+    }
+
+    @ViewBuilder private var channelButton: some View {
+        Button {
+            guard !inChannelView else {
+                return
+            }
+
+            NavigationModel.shared.openChannel(
+                channel,
+                navigationStyle: navigationStyle
+            )
+        } label: {
+            channelLabel
+        }
+        #if os(tvOS)
+        .buttonStyle(.card)
+        #else
+        .buttonStyle(.plain)
+        #endif
+        .help("\(channel.name) Channel")
+    }
+
+    #if os(macOS)
+        private func onHover(_ inside: Bool) {
+            if inside {
+                NSCursor.pointingHand.push()
+            } else {
+                NSCursor.pop()
+            }
+        }
+    #endif
+}