Use NSString helper here

Persephone.xcodeproj/project.pbxproj

@@ -104,6 +104,7 @@
 		E4C8B53C22342005009A20F3 /* PreferencesWindowController.swift in Sources */ = {isa = PBXBuildFile; fileRef = E4C8B53B22342005009A20F3 /* PreferencesWindowController.swift */; };
 		E4C8B53E22349002009A20F3 /* MPDIdle.swift in Sources */ = {isa = PBXBuildFile; fileRef = E4C8B53D22349002009A20F3 /* MPDIdle.swift */; };
 		E4D3BFA622B419C000C56F48 /* QueueViewController+NSOutlineViewDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = E4D3BFA522B419C000C56F48 /* QueueViewController+NSOutlineViewDelegate.swift */; };
+		E4DA820623D6236200C1EE58 /* NSSize.swift in Sources */ = {isa = PBXBuildFile; fileRef = E4DA820523D6236200C1EE58 /* NSSize.swift */; };
 		E4E7A6AD22AAAF98006D566C /* AlbumDetailView+NSTableViewDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = E4E7A6AC22AAAF98006D566C /* AlbumDetailView+NSTableViewDelegate.swift */; };
 		E4E8CC902204EC7F0024217A /* Delegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = E4E8CC8F2204EC7F0024217A /* Delegate.swift */; };
 		E4E8CC922204F4B80024217A /* QueueViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = E4E8CC912204F4B80024217A /* QueueViewController.swift */; };
@@ -297,6 +298,7 @@
 		E4C8B53B22342005009A20F3 /* PreferencesWindowController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PreferencesWindowController.swift; sourceTree = "<group>"; };
 		E4C8B53D22349002009A20F3 /* MPDIdle.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MPDIdle.swift; sourceTree = "<group>"; };
 		E4D3BFA522B419C000C56F48 /* QueueViewController+NSOutlineViewDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "QueueViewController+NSOutlineViewDelegate.swift"; sourceTree = "<group>"; };
+		E4DA820523D6236200C1EE58 /* NSSize.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NSSize.swift; sourceTree = "<group>"; };
 		E4E7A6AC22AAAF98006D566C /* AlbumDetailView+NSTableViewDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "AlbumDetailView+NSTableViewDelegate.swift"; sourceTree = "<group>"; };
 		E4E8CC8F2204EC7F0024217A /* Delegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Delegate.swift; sourceTree = "<group>"; };
 		E4E8CC912204F4B80024217A /* QueueViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = QueueViewController.swift; sourceTree = "<group>"; };
@@ -424,6 +426,7 @@
 				E489E39822B85D0400CA8CBD /* NSPasteboard.swift */,
 				E489E39C22B9CF0000CA8CBD /* NSView.swift */,
 				E43AC1F022C68E6A001E483C /* NSPasteboardItem.swift */,
+				E4DA820523D6236200C1EE58 /* NSSize.swift */,
 			);
 			path = Extensions;
 			sourceTree = "<group>";
@@ -940,6 +943,7 @@
 				E43B67AD229194CD007DCF55 /* AlbumTracksDataSource.swift in Sources */,
 				E41E52FD223BF87300173814 /* MPDClient+Connection.swift in Sources */,
 				E450AD7E222620A10091BED3 /* Album.swift in Sources */,
+				E4DA820623D6236200C1EE58 /* NSSize.swift in Sources */,
 				E408D3B6220DD8970006D9BE /* Notification.swift in Sources */,
 				E43AC1F822C7065A001E483C /* AlbumCoverButton.swift in Sources */,
 				E45962C62241A78500FC1A1E /* MPDCommand.swift in Sources */,

Persephone/AppDelegate.swift

@@ -32,16 +32,9 @@ class AppDelegate: NSObject,
       }
     }
     
-    instantiateControllers()
-    connectToMPDServer()
-  }
-
-  func connectToMPDServer() {
-    App.mpdServerController.connect()
-  }
-
-  func instantiateControllers() {
     _ = App.userNotificationsController
+
+    App.mpdServerController.connect()
   }
 
   func applicationWillTerminate(_ aNotification: Notification) {

Persephone/Components/Browser/Album Browser/AlbumViewItem.swift

@@ -64,7 +64,7 @@ class AlbumViewItem: NSCollectionViewItem {
       with: .provider(provider),
       placeholder: NSImage.defaultCoverArt,
       options: [
-        .processor(DownsamplingImageProcessor(size: NSSize(width: 180, height: 180))),
+        .processor(DownsamplingImageProcessor(size: .albumListCoverSize)),
         .scaleFactor(2),
       ]
     )

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

@@ -141,7 +141,7 @@ class AlbumDetailView: NSViewController {
       with: .provider(provider),
       placeholder: NSImage.defaultCoverArt,
       options: [
-        .processor(DownsamplingImageProcessor(size: NSSize(width: 500, height: 500))),
+        .processor(DownsamplingImageProcessor(size: .albumDetailCoverSize)),
         .scaleFactor(2),
       ]
     )

Persephone/Components/Queue/CurrentCoverArtView.swift

@@ -24,11 +24,11 @@ class CurrentCoverArtView: NSImageView {
 
     let imageURL = URL(fileURLWithPath: imagePath)
     let provider = LocalFileImageDataProvider(fileURL: imageURL)
-    self.kf.setImage(
+    kf.setImage(
       with: .provider(provider),
       placeholder: NSImage.defaultCoverArt,
       options: [
-        .processor(DownsamplingImageProcessor(size: NSSize(width: 500, height: 500))),
+        .processor(DownsamplingImageProcessor(size: .currentlyPlayingCoverSize)),
         .scaleFactor(2),
       ]
     )
@@ -39,10 +39,11 @@ extension CurrentCoverArtView: StoreSubscriber {
   typealias StoreSubscriberStateType = Song?
 
   func newState(state: Song?) {
-    if let song = state {
+    guard let song = state else {
-      setAlbumImage(song.album)
-    } else {
       image = .defaultCoverArt
+      return
     }
+    
+    setAlbumImage(song.album)
   }
 }

Persephone/Components/Shared/Extensions/NSSize.swift

@@ -0,0 +1,16 @@
+//
+//  NSSize.swift
+//  Persephone
+//
+//  Created by Daniel Barber on 1/20/20.
+//  Copyright © 2020 Dan Barber. All rights reserved.
+//
+
+import AppKit
+
+extension NSSize {
+  static let albumListCoverSize = NSSize(width: 180, height: 180)
+  static let albumDetailCoverSize = NSSize(width: 500, height: 500)
+  static let currentlyPlayingCoverSize = albumDetailCoverSize
+  static let notificationCoverSize = albumListCoverSize
+}

Persephone/Components/Shared/UserNotificationsController.swift

@@ -29,7 +29,7 @@ class UserNotificationsController {
     _ = KingfisherManager.shared.retrieveImage(
       with: .provider(provider),
       options: [
-        .processor(DownsamplingImageProcessor(size: NSSize(width: 180, height: 180))),
+        .processor(DownsamplingImageProcessor(size: .notificationCoverSize)),
         .scaleFactor(2),
       ]
     ) { result in

Persephone/MPDClient/Models/MPDAlbum.swift

@@ -16,9 +16,9 @@ extension MPDClient {
     var path: String?
 
     static func == (lhs: MPDAlbum, rhs: MPDAlbum) -> Bool {
-      return (lhs.title == rhs.title) &&
+      return lhs.title == rhs.title &&
-        (lhs.artist == rhs.artist) &&
+        lhs.artist == rhs.artist &&
-        (lhs.date == rhs.date)
+        lhs.date == rhs.date
     }
   }
 }

Persephone/MPDClient/Models/MPDSong.swift

@@ -55,10 +55,8 @@ extension MPDClient {
     }
 
     var path: String {
-      return uriString
+      return NSString(string: uriString)
-        .split(separator: "/")
+        .deletingLastPathComponent
-        .dropLast()
-        .joined(separator: "/")
     }
 
     func getTag(_ tagType: MPDTag) -> String {

Persephone/Models/Album.swift

@@ -59,6 +59,6 @@ struct Album {
 
 extension Album: Equatable {
   static func == (lhs: Album, rhs: Album) -> Bool {
-    return (lhs.mpdAlbum == rhs.mpdAlbum)
+    return lhs.mpdAlbum == rhs.mpdAlbum
   }
 }

Persephone/Models/Artist.swift

@@ -19,6 +19,6 @@ struct Artist {
 
 extension Artist: Equatable {
   static func == (lhs: Artist, rhs: Artist) -> Bool {
-    return (lhs.name == rhs.name)
+    return lhs.name == rhs.name
   }
 }

Persephone/Models/MPDServer.swift

@@ -27,7 +27,7 @@ struct MPDServer {
 
 extension MPDServer: Equatable {
   static func == (lhs: MPDServer, rhs: MPDServer) -> Bool {
-    return (lhs.host == rhs.host) &&
+    return lhs.host == rhs.host &&
-      (lhs.port == rhs.port)
+      lhs.port == rhs.port
   }
 }