Add blurHash + send passthrough to JellyfinClientController

6 files changed, 203 insertions, 48 deletions

diff --git a/Jel.xcodeproj/project.pbxproj b/Jel.xcodeproj/project.pbxproj
index 47f32b2..be9aad1 100644
--- a/Jel.xcodeproj/project.pbxproj
+++ b/Jel.xcodeproj/project.pbxproj
@@ -12,9 +12,10 @@
 		3D1015DE2B27F79900F5C29A /* DatamodelController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3D1015DD2B27F79900F5C29A /* DatamodelController.swift */; };
 		3D1015E42B28000E00F5C29A /* AuthStateController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3D1015E32B28000E00F5C29A /* AuthStateController.swift */; };
 		3D41D1F52B2C962500E58234 /* AppearancePicker.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3D41D1F42B2C962500E58234 /* AppearancePicker.swift */; };
+		3D41D1F72B2CAD2400E58234 /* BlurHashDecode.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3D41D1F62B2CAD2400E58234 /* BlurHashDecode.swift */; };
+		3D41D1FA2B2CAE0000E58234 /* LibraryIconView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3D41D1F92B2CAE0000E58234 /* LibraryIconView.swift */; };
 		3D7709392B29139700199889 /* Pulse in Frameworks */ = {isa = PBXBuildFile; productRef = 3D7709382B29139700199889 /* Pulse */; };
 		3D77093B2B29139700199889 /* PulseUI in Frameworks */ = {isa = PBXBuildFile; productRef = 3D77093A2B29139700199889 /* PulseUI */; };
-		3D77093D2B29350700199889 /* ConsoleSheetView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3D77093C2B29350700199889 /* ConsoleSheetView.swift */; };
 		3D9063CB2B279A310063DD2A /* JelApp.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3D9063CA2B279A310063DD2A /* JelApp.swift */; };
 		3D9063CD2B279A310063DD2A /* ContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3D9063CC2B279A310063DD2A /* ContentView.swift */; };
 		3D9063CF2B279A320063DD2A /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 3D9063CE2B279A320063DD2A /* Assets.xcassets */; };
@@ -69,7 +70,8 @@
 		3D1015DD2B27F79900F5C29A /* DatamodelController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DatamodelController.swift; sourceTree = "<group>"; };
 		3D1015E32B28000E00F5C29A /* AuthStateController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AuthStateController.swift; sourceTree = "<group>"; };
 		3D41D1F42B2C962500E58234 /* AppearancePicker.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppearancePicker.swift; sourceTree = "<group>"; };
-		3D77093C2B29350700199889 /* ConsoleSheetView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ConsoleSheetView.swift; sourceTree = "<group>"; };
+		3D41D1F62B2CAD2400E58234 /* BlurHashDecode.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = BlurHashDecode.swift; path = Jel/Models/BlurHashDecode.swift; sourceTree = SOURCE_ROOT; };
+		3D41D1F92B2CAE0000E58234 /* LibraryIconView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LibraryIconView.swift; sourceTree = "<group>"; };
 		3D9063C72B279A310063DD2A /* Jel.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Jel.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		3D9063CA2B279A310063DD2A /* JelApp.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = JelApp.swift; sourceTree = "<group>"; };
 		3D9063CC2B279A310063DD2A /* ContentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContentView.swift; sourceTree = "<group>"; };
@@ -126,7 +128,6 @@
 				3DDD67902B293B780026781E /* Dashboard */,
 				3DDD67942B29E27A0026781E /* Settings */,
 				3D91FDC52B28C28900919017 /* SignIn */,
-				3DDD67912B293B9E0026781E /* Utility */,
 			);
 			path = Views;
 			sourceTree = "<group>";
@@ -145,11 +146,20 @@
 		3D1015E02B27FE5700F5C29A /* Models */ = {
 			isa = PBXGroup;
 			children = (
+				3D41D1F62B2CAD2400E58234 /* BlurHashDecode.swift */,
 				3D91FDCC2B2907E800919017 /* JellyfinDateFormatter.swift */,
 			);
 			path = Models;
 			sourceTree = "<group>";
 		};
+		3D41D1F82B2CADF500E58234 /* Library */ = {
+			isa = PBXGroup;
+			children = (
+				3D41D1F92B2CAE0000E58234 /* LibraryIconView.swift */,
+			);
+			path = Library;
+			sourceTree = "<group>";
+		};
 		3D9063BE2B279A310063DD2A = {
 			isa = PBXGroup;
 			children = (
@@ -225,19 +235,12 @@
 		3DDD67902B293B780026781E /* Dashboard */ = {
 			isa = PBXGroup;
 			children = (
+				3D41D1F82B2CADF500E58234 /* Library */,
 				3DDD67922B293BC40026781E /* DashBoardView.swift */,
 			);
 			path = Dashboard;
 			sourceTree = "<group>";
 		};
-		3DDD67912B293B9E0026781E /* Utility */ = {
-			isa = PBXGroup;
-			children = (
-				3D77093C2B29350700199889 /* ConsoleSheetView.swift */,
-			);
-			path = Utility;
-			sourceTree = "<group>";
-		};
 		3DDD67942B29E27A0026781E /* Settings */ = {
 			isa = PBXGroup;
 			children = (
@@ -392,12 +395,13 @@
 				3D1015D92B27F57400F5C29A /* AddServerView.swift in Sources */,
 				3D9063CB2B279A310063DD2A /* JelApp.swift in Sources */,
 				3D91FDCD2B2907E800919017 /* JellyfinDateFormatter.swift in Sources */,
-				3D77093D2B29350700199889 /* ConsoleSheetView.swift in Sources */,
 				3D1015DC2B27F5D300F5C29A /* Model.xcdatamodeld in Sources */,
 				3D91FDC92B28C62800919017 /* SignInView.swift in Sources */,
 				3DDD67932B293BC40026781E /* DashBoardView.swift in Sources */,
+				3D41D1FA2B2CAE0000E58234 /* LibraryIconView.swift in Sources */,
 				3DC6BA2D2B2A422300416B9F /* SettingsController.swift in Sources */,
 				3D91FDCB2B28CA2500919017 /* SignInToServerView.swift in Sources */,
+				3D41D1F72B2CAD2400E58234 /* BlurHashDecode.swift in Sources */,
 				3D1015E42B28000E00F5C29A /* AuthStateController.swift in Sources */,
 				3DDD67962B29E28B0026781E /* SettingsView.swift in Sources */,
 				3D41D1F52B2C962500E58234 /* AppearancePicker.swift in Sources */,
diff --git a/Jel/Controllers/JellyfinClientController.swift b/Jel/Controllers/JellyfinClientController.swift
index 424c044..11389c9 100644
--- a/Jel/Controllers/JellyfinClientController.swift
+++ b/Jel/Controllers/JellyfinClientController.swift
@@ -62,6 +62,25 @@ class JellyfinClientController: ObservableObject {
     })
   }
   
+  @discardableResult func send<T>(
+    _ request: Request<T>,
+    delegate: URLSessionDataDelegate? = nil,
+    configure: ((inout URLRequest) throws -> Void)? = nil
+  ) async throws -> Response<T> where T : Decodable {
+    return try await self.api.send(request, delegate: delegate, configure: configure)
+  }
+  
+  @discardableResult func send(
+    _ request: Request<Void>,
+    delegate: URLSessionDataDelegate? = nil,
+    configure: ((inout URLRequest) throws -> Void)? = nil
+  ) async throws -> Response<Void> {
+    return try await self.api.send(request, delegate: delegate, configure: configure)
+  }
+  
+}
+
+extension JellyfinClientController {
   func getPublicServerInfo() async -> PublicSystemInfo? {
     let request = Paths.getPublicSystemInfo
     do {
@@ -86,3 +105,4 @@ class JellyfinClientController: ObservableObject {
     }
   }
 }
+
diff --git a/Jel/Models/BlurHashDecode.swift b/Jel/Models/BlurHashDecode.swift
new file mode 100644
index 0000000..7fe3b39
--- /dev/null
+++ b/Jel/Models/BlurHashDecode.swift
@@ -0,0 +1,146 @@
+import UIKit
+
+extension UIImage {
+    public convenience init?(blurHash: String, size: CGSize, punch: Float = 1) {
+        guard blurHash.count >= 6 else { return nil }
+
+		let sizeFlag = String(blurHash[0]).decode83()
+		let numY = (sizeFlag / 9) + 1
+		let numX = (sizeFlag % 9) + 1
+
+		let quantisedMaximumValue = String(blurHash[1]).decode83()
+        let maximumValue = Float(quantisedMaximumValue + 1) / 166
+
+        guard blurHash.count == 4 + 2 * numX * numY else { return nil }
+
+        let colours: [(Float, Float, Float)] = (0 ..< numX * numY).map { i in
+            if i == 0 {
+				let value = String(blurHash[2 ..< 6]).decode83()
+                return decodeDC(value)
+            } else {
+                let value = String(blurHash[4 + i * 2 ..< 4 + i * 2 + 2]).decode83()
+                return decodeAC(value, maximumValue: maximumValue * punch)
+            }
+        }
+
+        let width = Int(size.width)
+        let height = Int(size.height)
+        let bytesPerRow = width * 3
+        guard let data = CFDataCreateMutable(kCFAllocatorDefault, bytesPerRow * height) else { return nil }
+        CFDataSetLength(data, bytesPerRow * height)
+        guard let pixels = CFDataGetMutableBytePtr(data) else { return nil }
+
+        for y in 0 ..< height {
+            for x in 0 ..< width {
+                var r: Float = 0
+                var g: Float = 0
+                var b: Float = 0
+
+                for j in 0 ..< numY {
+                    for i in 0 ..< numX {
+                        let basis = cos(Float.pi * Float(x) * Float(i) / Float(width)) * cos(Float.pi * Float(y) * Float(j) / Float(height))
+                        let colour = colours[i + j * numX]
+                        r += colour.0 * basis
+                        g += colour.1 * basis
+                        b += colour.2 * basis
+                    }
+                }
+
+                let intR = UInt8(linearTosRGB(r))
+                let intG = UInt8(linearTosRGB(g))
+                let intB = UInt8(linearTosRGB(b))
+
+                pixels[3 * x + 0 + y * bytesPerRow] = intR
+                pixels[3 * x + 1 + y * bytesPerRow] = intG
+                pixels[3 * x + 2 + y * bytesPerRow] = intB
+            }
+        }
+
+        let bitmapInfo = CGBitmapInfo(rawValue: CGImageAlphaInfo.none.rawValue)
+
+        guard let provider = CGDataProvider(data: data) else { return nil }
+        guard let cgImage = CGImage(width: width, height: height, bitsPerComponent: 8, bitsPerPixel: 24, bytesPerRow: bytesPerRow,
+        space: CGColorSpaceCreateDeviceRGB(), bitmapInfo: bitmapInfo, provider: provider, decode: nil, shouldInterpolate: true, intent: .defaultIntent) else { return nil }
+
+        self.init(cgImage: cgImage)
+    }
+}
+
+private func decodeDC(_ value: Int) -> (Float, Float, Float) {
+    let intR = value >> 16
+    let intG = (value >> 8) & 255
+    let intB = value & 255
+    return (sRGBToLinear(intR), sRGBToLinear(intG), sRGBToLinear(intB))
+}
+
+private func decodeAC(_ value: Int, maximumValue: Float) -> (Float, Float, Float) {
+	let quantR = value / (19 * 19)
+	let quantG = (value / 19) % 19
+	let quantB = value % 19
+
+	let rgb = (
+		signPow((Float(quantR) - 9) / 9, 2) * maximumValue,
+		signPow((Float(quantG) - 9) / 9, 2) * maximumValue,
+		signPow((Float(quantB) - 9) / 9, 2) * maximumValue
+	)
+
+	return rgb
+}
+
+private func signPow(_ value: Float, _ exp: Float) -> Float {
+    return copysign(pow(abs(value), exp), value)
+}
+
+private func linearTosRGB(_ value: Float) -> Int {
+    let v = max(0, min(1, value))
+    if v <= 0.0031308 { return Int(v * 12.92 * 255 + 0.5) }
+    else { return Int((1.055 * pow(v, 1 / 2.4) - 0.055) * 255 + 0.5) }
+}
+
+private func sRGBToLinear<Type: BinaryInteger>(_ value: Type) -> Float {
+    let v = Float(Int64(value)) / 255
+    if v <= 0.04045 { return v / 12.92 }
+    else { return pow((v + 0.055) / 1.055, 2.4) }
+}
+
+private let encodeCharacters: [String] = {
+    return "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz#$%*+,-.:;=?@[]^_{|}~".map { String($0) }
+}()
+
+private let decodeCharacters: [String: Int] = {
+	var dict: [String: Int] = [:]
+	for (index, character) in encodeCharacters.enumerated() {
+		dict[character] = index
+	}
+	return dict
+}()
+
+extension String {
+	func decode83() -> Int {
+		var value: Int = 0
+		for character in self {
+			if let digit = decodeCharacters[String(character)] {
+				value = value * 83 + digit
+			}
+		}
+		return value
+	}
+}
+
+private extension String {
+	subscript (offset: Int) -> Character {
+		return self[index(startIndex, offsetBy: offset)]
+	}
+
+	subscript (bounds: CountableClosedRange<Int>) -> Substring {
+		let start = index(startIndex, offsetBy: bounds.lowerBound)
+		let end = index(startIndex, offsetBy: bounds.upperBound)
+		return self[start...end]
+	}
+
+	subscript (bounds: CountableRange<Int>) -> Substring {
+		let start = index(startIndex, offsetBy: bounds.lowerBound)
+		let end = index(startIndex, offsetBy: bounds.upperBound)
+		return self[start..<end]
+	}
+}
diff --git a/Jel/Views/Dashboard/Library/LibraryIconView.swift b/Jel/Views/Dashboard/Library/LibraryIconView.swift
new file mode 100644
index 0000000..4f6c711
--- /dev/null
+++ b/Jel/Views/Dashboard/Library/LibraryIconView.swift
@@ -0,0 +1,18 @@
+//
+//  LibraryIconView.swift
+//  Jel
+//
+//  Created by zerocool on 12/15/23.
+//
+
+import SwiftUI
+
+struct LibraryIconView: View {
+    var body: some View {
+        Text(/*@START_MENU_TOKEN@*/"Hello, World!"/*@END_MENU_TOKEN@*/)
+    }
+}
+
+#Preview {
+    LibraryIconView()
+}
diff --git a/Jel/Views/Settings/SettingsView.swift b/Jel/Views/Settings/SettingsView.swift
index 6eaa2e2..676b977 100644
--- a/Jel/Views/Settings/SettingsView.swift
+++ b/Jel/Views/Settings/SettingsView.swift
@@ -17,8 +17,10 @@ struct SettingsView: View {
   var body: some View {
     NavigationStack {
       Form {
-        Section {
+        Section() {
           AppearancePicker()
+        } header: {
+          Text("Accessibility")
         }
         
         Section {
diff --git a/Jel/Views/Utility/ConsoleSheetView.swift b/Jel/Views/Utility/ConsoleSheetView.swift
deleted file mode 100644
index a047315..0000000
--- a/Jel/Views/Utility/ConsoleSheetView.swift
+++ /dev/null
@@ -1,35 +0,0 @@
-//
-//  ConsoleSheetView.swift
-//  Jel
-//
-//  Created by zerocool on 12/12/23.
-//
-
-import SwiftUI
-import PulseUI
-
-struct ConsoleSheetView: View {
-  @Binding var showingConsoleSheet: Bool
-  
-  var body: some View {
-    NavigationStack {
-      ConsoleView()
-        .closeButtonHidden()
-        .navigationTitle("Debug consoles")
-        .toolbar {
-          ToolbarItem {
-            Button {
-              showingConsoleSheet.toggle()
-            } label: {
-              Text("Done")
-                .bold()
-            }
-          }
-        }
-    }
-  }
-}
-
-#Preview {
-  ConsoleSheetView(showingConsoleSheet: .constant(true))
-}