[AlbumArt] Allow a custom provider

Mac/Components/Browser/Album Browser/AlbumViewItem.swift

@@ -59,7 +59,7 @@ class AlbumViewItem: NSCollectionViewItem {
     guard let song = album.mpdAlbum.firstSong
       else { return }
 
-    let provider = MPDAlbumArtImageDataProvider(
+    let provider = AlbumArtImageDataProvider(
       songUri: song.uriString,
       cacheKey: album.hash
     )

Mac/Components/Browser/Album Detail/AlbumDetailView.swift

@@ -132,7 +132,7 @@ class AlbumDetailView: NSViewController {
   }
 
   func getBigCoverArt(song: Song, album: Album) {
-    let provider = MPDAlbumArtImageDataProvider(
+    let provider = AlbumArtImageDataProvider(
       songUri: song.mpdSong.uriString,
       cacheKey: album.hash
     )

Mac/Components/Preferences/CoverArtPrefsController.swift

@@ -18,6 +18,16 @@ class CoverArtPrefsController: NSViewController {
     } else {
       fetchMissingArtworkFromInternet.state = .off
     }
+
+    if App.store.state.preferencesState.fetchArtworkFromCustomURL {
+      customArtworkURLButton.state = .on
+    } else {
+      customArtworkURLButton.state = .off
+    }
+
+    if let urlString = App.store.state.preferencesState.customArtworkURL?.absoluteString {
+        customArtworkURLTextField.stringValue = urlString
+    }
 
     preferredContentSize = NSMakeSize(view.frame.size.width, view.frame.size.height)
   }
@@ -37,11 +47,25 @@ class CoverArtPrefsController: NSViewController {
       )
     )
   }
+
+  @IBAction func updateCustomArtworkURLToggle(_ sender: NSButton) {
+    App.store.dispatch(
+        UpdateCustomArtworkURLToggle(useCustomArtworkURL: sender.state == .on)
+    )
+  }
+
+  @IBAction func updateCustomArtworkURL(_ sender: NSTextField) {
+    App.store.dispatch(
+        UpdateCustomArtworkURL(customArtworkURL: sender.stringValue)
+    )
+  }
 
   @IBAction func clearAlbumArtCache(_ sender: NSButton) {
     KingfisherManager.shared.cache.clearDiskCache()
     KingfisherManager.shared.cache.clearMemoryCache()
   }
 
   @IBOutlet var fetchMissingArtworkFromInternet: NSButton!
+  @IBOutlet var customArtworkURLTextField: NSTextField!
+  @IBOutlet var customArtworkURLButton: NSButton!
 }

Mac/Components/Queue/CurrentCoverArtView.swift

@@ -29,7 +29,7 @@ class CurrentCoverArtView: NSImageView {
   }
 
   func setSongImage(_ song: Song) {
-    let provider = MPDAlbumArtImageDataProvider(
+    let provider = AlbumArtImageDataProvider(
       songUri: song.mpdSong.uriString,
       cacheKey: song.album.hash
     )

Mac/Components/Queue/QueueSongCoverView.swift

@@ -64,7 +64,7 @@ class QueueSongCoverView: NSTableCellView {
 
     isPlaying = queueItem.isPlaying
 
-    let provider = MPDAlbumArtImageDataProvider(
+    let provider = AlbumArtImageDataProvider(
       songUri: song.mpdSong.uriString,
       cacheKey: song.album.hash
     )

Mac/Components/Shared/DraggedSongView.swift

@@ -64,7 +64,7 @@ class DraggedSongView: NSViewController {
   func setCoverArt() {
     let mpdAlbum = MPDClient.MPDAlbum(title: songAlbum, artist: songAlbumArtist)
 
-    let provider = MPDAlbumArtImageDataProvider(
+    let provider = AlbumArtImageDataProvider(
       songUri: songUri,
       cacheKey: Album(mpdAlbum: mpdAlbum).hash
     )

Mac/Components/Shared/ImageDataProviders/CustomURLAlbumArtImageDataProvider.swift

@@ -0,0 +1,39 @@
+//
+//  CustomURLAlbumArtImageDataProvider.swift
+//  Persephone
+//
+//  Created by Diego Torres on 07.11.20.
+//  Copyright © 2020 Dan Barber. All rights reserved.
+//
+
+import Foundation
+import Kingfisher
+
+public struct CustomURLAlbumArtImageDataProvider: ImageDataProvider {
+  let songUri: String
+  let baseURL: URL
+
+  init(baseURL: URL, songUri: String, cacheKey: String) {
+    self.songUri = songUri
+    self.cacheKey = cacheKey
+    self.baseURL = baseURL
+  }
+
+  public var cacheKey: String
+
+  public func data(handler: @escaping (Result<Data, Error>) -> Void) {
+    let task = URLSession.shared.dataTask(with: baseURL.appendingPathComponent(songUri)) { (data, response, error) in
+        let result = Result<Data, Error> {
+            if let error = error { throw error }
+            guard let data = data else { throw URLError(.badServerResponse) }
+            return data
+        }
+        handler(result)
+    }
+    task.resume()
+  }
+
+  public var contentURL: String? {
+    return songUri
+  }
+}

Mac/Components/Shared/ImageDataProviders/MPDAlbumArtImageDataProvider.swift

@@ -32,3 +32,11 @@ public struct MPDAlbumArtImageDataProvider: ImageDataProvider {
     return songUri
   }
 }
+
+public func AlbumArtImageDataProvider(songUri: String, cacheKey: String) -> ImageDataProvider {
+    if App.store.state.preferencesState.fetchArtworkFromCustomURL, let url = App.store.state.preferencesState.customArtworkURL {
+        return CustomURLAlbumArtImageDataProvider(baseURL: url, songUri: songUri, cacheKey: cacheKey)
+    } else {
+        return MPDAlbumArtImageDataProvider(songUri: songUri, cacheKey: cacheKey)
+    }
+}

Mac/Components/Shared/UserNotificationsController.swift

@@ -23,7 +23,7 @@ class UserNotificationsController {
       status.state == .playing
       else { return }
 
-    let provider = MPDAlbumArtImageDataProvider(
+    let provider = AlbumArtImageDataProvider(
       songUri: song.mpdSong.uriString,
       cacheKey: song.album.hash
     )

Mac/Components/Window/Base.lproj/Main.storyboard

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.Storyboard.XIB" version="3.0" toolsVersion="15705" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" initialViewController="B8D-0N-5wS">
+<document type="com.apple.InterfaceBuilder3.Cocoa.Storyboard.XIB" version="3.0" toolsVersion="16097.3" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" initialViewController="B8D-0N-5wS">
     <dependencies>
         <deployment identifier="macosx"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="15705"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="16097.3"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
@@ -536,13 +536,15 @@
             <objects>
                 <viewController title="Cover Art" id="3C9-vU-zjZ" userLabel="Cover Art" customClass="CoverArtPrefsController" customModule="Persephone" customModuleProvider="target" sceneMemberID="viewController">
                     <view key="view" id="PyK-v2-kus">
-                        <rect key="frame" x="0.0" y="0.0" width="427" height="95"/>
+                        <rect key="frame" x="0.0" y="0.0" width="427" height="158"/>
                         <autoresizingMask key="autoresizingMask"/>
                         <subviews>
                             <gridView horizontalHuggingPriority="750" verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" verticalCompressionResistancePriority="250" xPlacement="leading" yPlacement="center" rowAlignment="none" rowSpacing="14" translatesAutoresizingMaskIntoConstraints="NO" id="M8L-ne-ZhL">
-                                <rect key="frame" x="0.0" y="0.0" width="427" height="95"/>
+                                <rect key="frame" x="0.0" y="0.0" width="427" height="158"/>
                                 <rows>
                                     <gridRow topPadding="20" id="jo0-w7-CZu"/>
+                                    <gridRow id="AZA-jX-c6l"/>
+                                    <gridRow id="16Y-Re-bkN"/>
                                     <gridRow bottomPadding="26" id="g4x-Bc-qT7"/>
                                 </rows>
                                 <columns>
@@ -551,7 +553,7 @@
                                 <gridCells>
                                     <gridCell row="jo0-w7-CZu" column="y6E-R8-zfP" id="NAC-x2-Qyh">
                                         <button key="contentView" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="pRL-MG-1Be">
-                                            <rect key="frame" x="78" y="59" width="271" height="18"/>
+                                            <rect key="frame" x="78" y="122" width="271" height="18"/>
                                             <buttonCell key="cell" type="check" title="Fetch missing artwork from MusicBrainz" bezelStyle="regularSquare" imagePosition="left" enabled="NO" inset="2" id="LpD-Ew-HMd">
                                                 <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
                                                 <font key="font" metaFont="system"/>
@@ -561,6 +563,28 @@
                                             </connections>
                                         </button>
                                     </gridCell>
+                                    <gridCell row="AZA-jX-c6l" column="y6E-R8-zfP" id="nIu-Aa-5ov">
+                                        <button key="contentView" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="iPP-w1-R8G">
+                                            <rect key="frame" x="78" y="94" width="271" height="18"/>
+                                            <buttonCell key="cell" type="check" title="Fetch from URL:" bezelStyle="regularSquare" imagePosition="left" inset="2" id="jbS-Rs-0ED">
+                                                <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
+                                                <font key="font" metaFont="system"/>
+                                            </buttonCell>
+                                        </button>
+                                    </gridCell>
+                                    <gridCell row="16Y-Re-bkN" column="y6E-R8-zfP" id="Kno-Fk-238">
+                                        <textField key="contentView" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="T3H-Cf-Rh3">
+                                            <rect key="frame" x="80" y="61" width="267" height="21"/>
+                                            <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" borderStyle="bezel" placeholderString="https://a.base.url" drawsBackground="YES" id="RiO-X6-KZA">
+                                                <font key="font" usesAppearanceFont="YES"/>
+                                                <color key="textColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
+                                                <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                            </textFieldCell>
+                                            <connections>
+                                                <action selector="updateCustomArtworkURL:" target="3C9-vU-zjZ" id="I5e-oc-cN6"/>
+                                            </connections>
+                                        </textField>
+                                    </gridCell>
                                     <gridCell row="g4x-Bc-qT7" column="y6E-R8-zfP" id="LTx-vQ-fTR">
                                         <button key="contentView" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="mXh-kY-tMC">
                                             <rect key="frame" x="74" y="19" width="279" height="32"/>
@@ -584,12 +608,14 @@
                         </constraints>
                     </view>
                     <connections>
+                        <outlet property="customArtworkURLButton" destination="iPP-w1-R8G" id="w5V-Pn-iNI"/>
+                        <outlet property="customArtworkURLTextField" destination="T3H-Cf-Rh3" id="Erb-cy-PSf"/>
                         <outlet property="fetchMissingArtworkFromInternet" destination="pRL-MG-1Be" id="Xcp-sb-iZm"/>
                     </connections>
                 </viewController>
                 <customObject id="KzD-E3-lpA" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="1411" y="-420"/>
+            <point key="canvasLocation" x="1410.5" y="-421"/>
         </scene>
         <!--General-->
         <scene sceneID="xTC-Y5-Agk">

Mac/Info.plist

@@ -24,6 +24,11 @@
 	<string>public.app-category.music</string>
 	<key>LSMinimumSystemVersion</key>
 	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<key>NSAppTransportSecurity</key>
+	<dict>
+		<key>NSAllowsLocalNetworking</key>
+		<true/>
+	</dict>
 	<key>NSHumanReadableCopyright</key>
 	<string>Copyright © 2020 Dan Barber. All rights reserved.</string>
 	<key>NSMainStoryboardFile</key>

Mac/Services/CoverArtService.swift

@@ -12,12 +12,12 @@ import Kingfisher
 
 struct CoverArtService {
   let song: Song
-  let provider: MPDAlbumArtImageDataProvider
+  let provider: ImageDataProvider
 
   init(song: Song) {
     self.song = song
 
-    provider = MPDAlbumArtImageDataProvider(
+    provider = AlbumArtImageDataProvider(
       songUri: song.mpdSong.uriString,
       cacheKey: song.album.hash
     )

Persephone.xcodeproj/project.pbxproj

@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		2F2EBD8425570D49002CAB57 /* CustomURLAlbumArtImageDataProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2F2EBD8325570D49002CAB57 /* CustomURLAlbumArtImageDataProvider.swift */; };
 		38BAC36B249CB1A7004BAEA4 /* AlbumDetailSongTitleView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 38BAC36A249CB1A6004BAEA4 /* AlbumDetailSongTitleView.swift */; };
 		E407861C2110CE6E006887B1 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = E407861B2110CE6E006887B1 /* AppDelegate.swift */; };
 		E40786202110CE70006887B1 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = E407861F2110CE70006887B1 /* Assets.xcassets */; };
@@ -369,6 +370,7 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		2F2EBD8325570D49002CAB57 /* CustomURLAlbumArtImageDataProvider.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CustomURLAlbumArtImageDataProvider.swift; sourceTree = "<group>"; };
 		38BAC36A249CB1A6004BAEA4 /* AlbumDetailSongTitleView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AlbumDetailSongTitleView.swift; sourceTree = "<group>"; };
 		E40786182110CE6E006887B1 /* Persephone.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Persephone.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		E407861B2110CE6E006887B1 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
@@ -1247,6 +1249,7 @@
 			isa = PBXGroup;
 			children = (
 				E4BB7F8E23E5E7BC00906E2F /* MPDAlbumArtImageDataProvider.swift */,
+				2F2EBD8325570D49002CAB57 /* CustomURLAlbumArtImageDataProvider.swift */,
 			);
 			path = ImageDataProviders;
 			sourceTree = "<group>";
@@ -1647,6 +1650,7 @@
 				E43AC1F822C7065A001E483C /* AlbumCoverButton.swift in Sources */,
 				E45962C62241A78500FC1A1E /* MPDCommand.swift in Sources */,
 				E408D3B9220DE98F0006D9BE /* NSUserInterfaceItemIdentifier.swift in Sources */,
+				2F2EBD8425570D49002CAB57 /* CustomURLAlbumArtImageDataProvider.swift in Sources */,
 				E48059C62426D73600362CF3 /* cplaylist.c in Sources */,
 				E4EB2379220F10B8008C70C0 /* MPDPair.swift in Sources */,
 				E489E3A422B9D31800CA8CBD /* DraggedSongView.swift in Sources */,

Shared/State/Actions/PreferencesActions.swift

@@ -20,4 +20,12 @@ struct UpdateFetchMissingArtworkFromInternet: Action {
   var fetchMissingArtworkFromInternet: Bool
 }
 
+struct UpdateCustomArtworkURLToggle: Action {
+  var useCustomArtworkURL: Bool
+}
+
+struct UpdateCustomArtworkURL: Action {
+  var customArtworkURL: String
+}
+
 struct SavePreferences: Action {}

Shared/State/PreferencesState.swift

@@ -15,6 +15,8 @@ struct PreferencesState: StateType, Equatable {
   var mpdServer: MPDServer
 
   var fetchMissingArtworkFromInternet: Bool
+  var fetchArtworkFromCustomURL: Bool
+  var customArtworkURL: URL?
 
   init() {
     self.mpdServer = MPDServer(
@@ -24,6 +26,8 @@ struct PreferencesState: StateType, Equatable {
     self.fetchMissingArtworkFromInternet = preferences.bool(
       forKey: "fetchMissingArtworkFromInternet"
     )
+    self.fetchArtworkFromCustomURL = preferences.bool(forKey: "fetchArtworkFromCustomURL")
+    self.customArtworkURL = preferences.url(forKey: "customArtworkURL")
   }
 
   func save() {
@@ -34,5 +38,7 @@ struct PreferencesState: StateType, Equatable {
       preferences.removeObject(forKey: "mpdPort")
     }
     preferences.set(fetchMissingArtworkFromInternet, forKey: "fetchMissingArtworkFromInternet")
+    preferences.set(fetchArtworkFromCustomURL, forKey: "fetchArtworkFromCustomURL")
+    preferences.set(customArtworkURL, forKey: "customArtworkURL")
   }
 }

Shared/State/Reducers/PreferencesReducer.swift

@@ -19,6 +19,12 @@ func preferencesReducer(action: Action, state: PreferencesState?) -> Preferences
 
   case let action as UpdateServerPort:
     state.mpdServer.port = action.port
+
+  case let action as UpdateCustomArtworkURLToggle:
+    state.fetchArtworkFromCustomURL = action.useCustomArtworkURL
+
+  case let action as UpdateCustomArtworkURL:
+    state.customArtworkURL = URL(string: action.customArtworkURL)
 
   case is SavePreferences:
     state.save()