Support for data store export

Gym Routine Tracker Plus.xcodeproj/project.pbxproj

@@ -7,10 +7,16 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		4001ED0D29732D4500F165ED /* ExportSettings.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4001ED0C29732D4500F165ED /* ExportSettings.swift */; };
+		4001ED0F29732E1300F165ED /* ColorSettings.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4001ED0E29732E1300F165ED /* ColorSettings.swift */; };
+		401064D92973374700BFB00E /* ZipDocument.swift in Sources */ = {isa = PBXBuildFile; fileRef = 401064D82973374700BFB00E /* ZipDocument.swift */; };
 		4011EECD2961C9B000A36D87 /* LICENSE in Resources */ = {isa = PBXBuildFile; fileRef = 4011EECC2961C9B000A36D87 /* LICENSE */; };
 		40245EF6296BE7D4007B5DAB /* ExerciseRunList.swift in Sources */ = {isa = PBXBuildFile; fileRef = 40245EF5296BE7D4007B5DAB /* ExerciseRunList.swift */; };
 		402A5F2F296B7FE000A43DB3 /* HistoryView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 402A5F2E296B7F7B00A43DB3 /* HistoryView.swift */; };
 		402A5F32296B835B00A43DB3 /* Tabler in Frameworks */ = {isa = PBXBuildFile; productRef = 402A5F31296B835B00A43DB3 /* Tabler */; };
+		403CA2CE2971F6660084785B /* ZIPFoundation in Frameworks */ = {isa = PBXBuildFile; productRef = 403CA2CD2971F6660084785B /* ZIPFoundation */; };
+		403CA2D0297220460084785B /* Export-Utils.swift in Sources */ = {isa = PBXBuildFile; fileRef = 403CA2CF29721E750084785B /* Export-Utils.swift */; };
+		403CA2D22972829F0084785B /* PhoneSettingsForm.swift in Sources */ = {isa = PBXBuildFile; fileRef = 403CA2D12972829F0084785B /* PhoneSettingsForm.swift */; };
 		408FACFE296CAC9300D02C9C /* RoutineRunList.swift in Sources */ = {isa = PBXBuildFile; fileRef = 408FACFD296CABC400D02C9C /* RoutineRunList.swift */; };
 		40B51E45294549DF0047377A /* GroutUI in Frameworks */ = {isa = PBXBuildFile; productRef = 40B51E44294549DF0047377A /* GroutUI */; };
 		40CCF3F629454D2B007DDE69 /* GroutLib in Frameworks */ = {isa = PBXBuildFile; productRef = 40CCF3F529454D2B007DDE69 /* GroutLib */; };
@@ -23,10 +29,15 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
+		4001ED0C29732D4500F165ED /* ExportSettings.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ExportSettings.swift; sourceTree = "<group>"; };
+		4001ED0E29732E1300F165ED /* ColorSettings.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ColorSettings.swift; sourceTree = "<group>"; };
+		401064D82973374700BFB00E /* ZipDocument.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ZipDocument.swift; sourceTree = "<group>"; };
 		4011EECC2961C9B000A36D87 /* LICENSE */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = LICENSE; sourceTree = "<group>"; };
 		4011EECE2961C9BC00A36D87 /* README.md */ = {isa = PBXFileReference; lastKnownFileType = net.daringfireball.markdown; path = README.md; sourceTree = "<group>"; };
 		40245EF5296BE7D4007B5DAB /* ExerciseRunList.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ExerciseRunList.swift; sourceTree = "<group>"; };
 		402A5F2E296B7F7B00A43DB3 /* HistoryView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HistoryView.swift; sourceTree = "<group>"; };
+		403CA2CF29721E750084785B /* Export-Utils.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Export-Utils.swift"; sourceTree = "<group>"; };
+		403CA2D12972829F0084785B /* PhoneSettingsForm.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PhoneSettingsForm.swift; sourceTree = "<group>"; };
 		408FACFD296CABC400D02C9C /* RoutineRunList.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RoutineRunList.swift; sourceTree = "<group>"; };
 		40E347BA29452CF1003A19B9 /* Gym Routine Tracker Plus.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "Gym Routine Tracker Plus.app"; sourceTree = BUILT_PRODUCTS_DIR; };
 		40E347BD29452CF1003A19B9 /* PlusApp.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PlusApp.swift; sourceTree = "<group>"; };
@@ -47,12 +58,36 @@
 				40E347D329452E4B003A19B9 /* Compactor in Frameworks */,
 				40EBE1CC29635306004B9189 /* GroutUI in Frameworks */,
 				40CCF3F629454D2B007DDE69 /* GroutLib in Frameworks */,
+				403CA2CE2971F6660084785B /* ZIPFoundation in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		401064DA2973378500BFB00E /* Helper */ = {
+			isa = PBXGroup;
+			children = (
+				401064D82973374700BFB00E /* ZipDocument.swift */,
+				403CA2CF29721E750084785B /* Export-Utils.swift */,
+			);
+			path = Helper;
+			sourceTree = "<group>";
+		};
+		401064DB2973378C00BFB00E /* Views */ = {
+			isa = PBXGroup;
+			children = (
+				40E347BF29452CF1003A19B9 /* ContentView.swift */,
+				4001ED0E29732E1300F165ED /* ColorSettings.swift */,
+				40245EF5296BE7D4007B5DAB /* ExerciseRunList.swift */,
+				4001ED0C29732D4500F165ED /* ExportSettings.swift */,
+				402A5F2E296B7F7B00A43DB3 /* HistoryView.swift */,
+				403CA2D12972829F0084785B /* PhoneSettingsForm.swift */,
+				408FACFD296CABC400D02C9C /* RoutineRunList.swift */,
+			);
+			path = Views;
+			sourceTree = "<group>";
+		};
 		40B51E41294549D90047377A /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
@@ -83,13 +118,11 @@
 			isa = PBXGroup;
 			children = (
 				40E347BD29452CF1003A19B9 /* PlusApp.swift */,
-				40E347BF29452CF1003A19B9 /* ContentView.swift */,
-				402A5F2E296B7F7B00A43DB3 /* HistoryView.swift */,
-				408FACFD296CABC400D02C9C /* RoutineRunList.swift */,
-				40245EF5296BE7D4007B5DAB /* ExerciseRunList.swift */,
+				401064DB2973378C00BFB00E /* Views */,
+				401064DA2973378500BFB00E /* Helper */,
+				40E347C329452CF1003A19B9 /* App.entitlements */,
 				40E347C129452CF1003A19B9 /* Assets.xcassets */,
 				40EBCFDE294BFB880082A172 /* Info.plist */,
-				40E347C329452CF1003A19B9 /* App.entitlements */,
 				40E347C429452CF1003A19B9 /* Preview Content */,
 			);
 			path = Sources;
@@ -125,6 +158,7 @@
 				40CCF3F529454D2B007DDE69 /* GroutLib */,
 				40EBE1CB29635306004B9189 /* GroutUI */,
 				402A5F31296B835B00A43DB3 /* Tabler */,
+				403CA2CD2971F6660084785B /* ZIPFoundation */,
 			);
 			productName = "Gym Routine Tracker Plus";
 			productReference = 40E347BA29452CF1003A19B9 /* Gym Routine Tracker Plus.app */;
@@ -158,6 +192,7 @@
 				40E347D129452E4B003A19B9 /* XCRemoteSwiftPackageReference "SwiftCompactor" */,
 				40EBE1CA29635306004B9189 /* XCRemoteSwiftPackageReference "GroutUI" */,
 				402A5F30296B835B00A43DB3 /* XCRemoteSwiftPackageReference "SwiftTabler" */,
+				403CA2CC2971F6660084785B /* XCRemoteSwiftPackageReference "ZIPFoundation" */,
 			);
 			productRefGroup = 40E347BB29452CF1003A19B9 /* Products */;
 			projectDirPath = "";
@@ -187,6 +222,11 @@
 			buildActionMask = 2147483647;
 			files = (
 				40E347C029452CF1003A19B9 /* ContentView.swift in Sources */,
+				403CA2D22972829F0084785B /* PhoneSettingsForm.swift in Sources */,
+				4001ED0F29732E1300F165ED /* ColorSettings.swift in Sources */,
+				4001ED0D29732D4500F165ED /* ExportSettings.swift in Sources */,
+				401064D92973374700BFB00E /* ZipDocument.swift in Sources */,
+				403CA2D0297220460084785B /* Export-Utils.swift in Sources */,
 				408FACFE296CAC9300D02C9C /* RoutineRunList.swift in Sources */,
 				40245EF6296BE7D4007B5DAB /* ExerciseRunList.swift in Sources */,
 				402A5F2F296B7FE000A43DB3 /* HistoryView.swift in Sources */,
@@ -424,6 +464,14 @@
 				minimumVersion = 0.9.6;
 			};
 		};
+		403CA2CC2971F6660084785B /* XCRemoteSwiftPackageReference "ZIPFoundation" */ = {
+			isa = XCRemoteSwiftPackageReference;
+			repositoryURL = "https://github.com/weichsel/ZIPFoundation.git";
+			requirement = {
+				kind = upToNextMajorVersion;
+				minimumVersion = 0.9.9;
+			};
+		};
 		40E347D129452E4B003A19B9 /* XCRemoteSwiftPackageReference "SwiftCompactor" */ = {
 			isa = XCRemoteSwiftPackageReference;
 			repositoryURL = "https://github.com/openalloc/SwiftCompactor.git";
@@ -448,6 +496,11 @@
 			package = 402A5F30296B835B00A43DB3 /* XCRemoteSwiftPackageReference "SwiftTabler" */;
 			productName = Tabler;
 		};
+		403CA2CD2971F6660084785B /* ZIPFoundation */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = 403CA2CC2971F6660084785B /* XCRemoteSwiftPackageReference "ZIPFoundation" */;
+			productName = ZIPFoundation;
+		};
 		40B51E44294549DF0047377A /* GroutUI */ = {
 			isa = XCSwiftPackageProductDependency;
 			productName = GroutUI;

Sources/Helper/Export-Utils.swift

@@ -0,0 +1,54 @@
+//
+//  Export-Utils.swift
+//
+// Copyright 2023  OpenAlloc LLC
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at https://mozilla.org/MPL/2.0/.
+//
+
+import CoreData
+import ZIPFoundation
+
+import GroutLib
+
+public func createZipArchive(_ context: NSManagedObjectContext,
+                             mainStore: NSPersistentStore,
+                             archiveStore: NSPersistentStore,
+                             format: ExportFormat = .CSV) throws -> Data?
+{
+    guard let archive = Archive(accessMode: .create)
+    else { throw DataError.archiveCreationFailure }
+
+    func makeDelimFile<T: NSFetchRequestResult & Encodable & MAttributable>(_: T.Type,
+                                                                            inStore: NSPersistentStore?) throws
+    {
+        let request = makeRequest(T.self, inStore: inStore)
+        let results = try context.fetch(request)
+        let data = try exportData(results, format: format)
+        let fileName = "\(T.fileNamePrefix).\(format.defaultFileExtension)"
+        try archive.addEntry(with: fileName,
+                             type: .file,
+                             uncompressedSize: Int64(data.count),
+                             provider: { position, size -> Data in
+                                 let range = Int(position) ..< Int(position) + size
+                                 return data.subdata(in: range)
+                             })
+    }
+
+    try makeDelimFile(Routine.self, inStore: mainStore)
+    try makeDelimFile(Exercise.self, inStore: mainStore)
+
+    // NOT WORKING: Local function 'makeDelimFile(_:inStore:)' requires that 'NSManagedObject' conform to 'Encodable'
+    // [ZRoutine.self, ZRoutineRun.self, ZExercise.self, ZExerciseRun.self].forEach {
+    //    try makeDelimFile($0, inStore: archiveStore)
+    // }
+
+    try makeDelimFile(ZRoutine.self, inStore: archiveStore)
+    try makeDelimFile(ZRoutineRun.self, inStore: archiveStore)
+    try makeDelimFile(ZExercise.self, inStore: archiveStore)
+    try makeDelimFile(ZExerciseRun.self, inStore: archiveStore)
+
+    return archive.data
+}

Sources/Helper/ZipDocument.swift

@@ -0,0 +1,32 @@
+//
+//  ZipDocument.swift
+//
+// Copyright 2022, 2023  OpenAlloc LLC
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at https://mozilla.org/MPL/2.0/.
+//
+
+import SwiftUI
+import UniformTypeIdentifiers
+
+/// Simple wrapper for Zip Archive data
+public struct ZipDocument: FileDocument {
+    public static var readableContentTypes = [UTType.zip]
+    public static var writableContentTypes = [UTType.zip]
+
+    private var data: Data
+
+    public init(data: Data) {
+        self.data = data
+    }
+
+    public init(configuration: ReadConfiguration) throws {
+        data = configuration.file.regularFileContents ?? Data()
+    }
+
+    public func fileWrapper(configuration _: WriteConfiguration) throws -> FileWrapper {
+        FileWrapper(regularFileWithContents: data)
+    }
+}

Sources/Views/ColorSettings.swift

@@ -0,0 +1,44 @@
+//
+//  ColorSettings.swift
+//
+// Copyright 2023  OpenAlloc LLC
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at https://mozilla.org/MPL/2.0/.
+//
+
+import SwiftUI
+
+import GroutLib
+import GroutUI
+
+struct ColorSettings: View {
+    // MARK: - Locals
+
+    @AppStorage(colorSchemeModeKey) var colorSchemeMode: ColorSchemeMode = .automatic
+
+    // MARK: - Views
+
+    var body: some View {
+        Section {
+            Picker("Color", selection: $colorSchemeMode) {
+                ForEach(ColorSchemeMode.allCases, id: \.self) { mode in
+                    Text(mode.description).tag(mode)
+                }
+            }
+            .pickerStyle(SegmentedPickerStyle())
+        } header: {
+            Text("Color Scheme")
+                .foregroundStyle(.tint)
+        }
+    }
+}
+
+struct ColorSettings_Previews: PreviewProvider {
+    static var previews: some View {
+        Form {
+            ColorSettings()
+        }
+    }
+}

Sources/ContentView.swift → Sources/Views/ContentView.swift

@@ -8,7 +8,7 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 //
 
-import CoreData
+import os
 import SwiftUI
 
 import GroutLib
@@ -28,6 +28,9 @@ struct ContentView: View {
     @SceneStorage("main-history-nav") private var historyNavData: Data?
     @SceneStorage("main-settings-nav") private var settingsNavData: Data?
 
+    private let logger = Logger(subsystem: Bundle.main.bundleIdentifier!,
+                                category: String(describing: ContentView.self))
+
     var body: some View {
         TabView(selection: $selectedTab) {
             NavStack(name: "routines",
@@ -51,7 +54,7 @@ struct ContentView: View {
 
             NavStack(name: "settings",
                      navData: $settingsNavData) {
-                SettingsForm()
+                PhoneSettingsForm()
             }
             .tabItem {
                 Label("Settings", systemImage: "gear")