Initial commit of Example_01

anconaesselmann · anconaesselmann · commit f202c2214147 · 2024-05-06T11:39:42.000-07:00
diff --git a/Examples/Example_01/Example_01.xcodeproj/project.pbxproj b/Examples/Example_01/Example_01.xcodeproj/project.pbxproj
diff --git a/Examples/Example_01/Example_01.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/Examples/Example_01/Example_01.xcodeproj/project.xcworkspace/contents.xcworkspacedata
diff --git a/Examples/Example_01/Example_01.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/Examples/Example_01/Example_01.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/Examples/Example_01/Example_01/App/AppInitializer.swift b/Examples/Example_01/Example_01/App/AppInitializer.swift
@@ -0,0 +1,32 @@
+//  Created by Axel Ancona Esselmann on 5/6/24.
+//
+
+import Foundation
+import CoreData
+
+@MainActor
+class AppInitializer: ObservableObject {
+
+    @Published
+    var state: LoadableResult = .notStarted
+
+    @MainActor
+    func initialize() async {
+        guard case .notStarted = state else {
+            return
+        }
+        state = .loading
+        do {
+            let container = try await ContainerBuilder.build()
+            
+            let notesManager = NotesManager(container: container)
+
+            AppState.shared = AppState(
+                notesManager: notesManager
+            )
+            state = .success
+        } catch {
+            state = .failure(error)
+        }
+    }
+}
diff --git a/Examples/Example_01/Example_01/App/AppState.swift b/Examples/Example_01/Example_01/App/AppState.swift
@@ -0,0 +1,10 @@
+//  Created by Axel Ancona Esselmann on 5/6/24.
+//
+
+import Foundation
+
+struct AppState {
+    static var shared: AppState!
+
+    let notesManager: NotesManager
+}
diff --git a/Examples/Example_01/Example_01/App/NotesApp.swift b/Examples/Example_01/Example_01/App/NotesApp.swift
@@ -0,0 +1,31 @@
+//  Created by Axel Ancona Esselmann on 5/6/24.
+//
+
+import SwiftUI
+
+@main
+struct NotesApp: App {
+
+    @StateObject
+    private var appInitializer = AppInitializer()
+
+    var body: some Scene {
+        WindowGroup {
+            switch appInitializer.state {
+            case .notStarted, .loading:
+                ProgressView()
+                    .task { await initialize() }
+            case .success:
+                ZStack {
+                    NotesView()
+                }
+            case .failure(let error):
+                Text("App could not load: \(error.localizedDescription)")
+            }
+        }
+    }
+
+    private func initialize() async {
+        await appInitializer.initialize()
+    }
+}
diff --git a/Examples/Example_01/Example_01/Assets.xcassets/AccentColor.colorset/Contents.json b/Examples/Example_01/Example_01/Assets.xcassets/AccentColor.colorset/Contents.json
@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/Examples/Example_01/Example_01/Assets.xcassets/AppIcon.appiconset/Contents.json b/Examples/Example_01/Example_01/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -0,0 +1,63 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "512x512"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "512x512"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/Examples/Example_01/Example_01/Assets.xcassets/Contents.json b/Examples/Example_01/Example_01/Assets.xcassets/Contents.json
@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/Examples/Example_01/Example_01/Example_01.entitlements b/Examples/Example_01/Example_01/Example_01.entitlements
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>com.apple.security.app-sandbox</key>
+    <true/>
+    <key>com.apple.security.files.user-selected.read-only</key>
+    <true/>
+</dict>
+</plist>
diff --git a/Examples/Example_01/Example_01/Managers/NotesManager.swift b/Examples/Example_01/Example_01/Managers/NotesManager.swift
@@ -0,0 +1,53 @@
+//  Created by Axel Ancona Esselmann on 5/6/24.
+//
+
+import Foundation
+import CoreData
+import Combine
+
+class NotesManager {
+    let container: NSPersistentContainer
+
+    var noteCreated: AnyPublisher<NoteEntity, Never> {
+        _noteCreated.eraseToAnyPublisher()
+    }
+
+    private var _noteCreated = PassthroughSubject<NoteEntity, Never>()
+
+    private var viewContext: NSManagedObjectContext {
+        container.viewContext
+    }
+
+    init(container: NSPersistentContainer) {
+        self.container = container
+    }
+
+    func fetch() async throws -> [NoteEntity] {
+        try await viewContext.perform {
+            let request = NoteEntity.fetchRequest()
+            return try self.viewContext.fetch(request)
+        }
+    }
+
+    func create(text: String) async throws {
+        try await viewContext.perform {
+            let entity = NoteEntity(
+                context: self.viewContext,
+                id: UUID(),
+                text: text,
+                created: .now
+            )
+            try self.viewContext.save()
+            self._noteCreated.send(entity)
+        }
+    }
+
+    func delete(notes: [NoteEntity]) async throws {
+        try await viewContext.perform {
+            notes.forEach {
+                self.viewContext.delete($0)
+            }
+            try self.viewContext.save()
+        }
+    }
+}
diff --git a/Examples/Example_01/Example_01/Persistence/ContainerBuilder.swift b/Examples/Example_01/Example_01/Persistence/ContainerBuilder.swift
@@ -0,0 +1,15 @@
+//  Created by Axel Ancona Esselmann on 5/6/24.
+//
+
+import Foundation
+import CoreData
+import ProgrammaticCoreData
+
+struct ContainerBuilder {
+    static func build() async throws -> NSPersistentContainer {
+        try await NSManagedObjectModel(
+            NoteEntity.self
+        )
+        .createContainer(name: "Notes", location: .local)
+    }
+}
diff --git a/Examples/Example_01/Example_01/Persistence/CoreDataModels/NoteEntity.swift b/Examples/Example_01/Example_01/Persistence/CoreDataModels/NoteEntity.swift
@@ -0,0 +1,52 @@
+//  Created by Axel Ancona Esselmann on 5/6/24.
+//
+
+import Foundation
+import CoreData
+import ProgrammaticCoreData
+
+@objc(NoteEntity)
+public class NoteEntity: NSManagedObject, Identifiable {
+    @nonobjc public class func fetchRequest() -> NSFetchRequest<NoteEntity> {
+        return NSFetchRequest<NoteEntity>(entityName: "NoteEntity")
+    }
+
+    @NSManaged public var id: UUID
+    @NSManaged public var text: String
+    @NSManaged public var created: Date
+
+    public init(
+        context: NSManagedObjectContext,
+        id: UUID,
+        text: String,
+        created: Date
+    ) {
+        super.init(entity: NoteEntity.entityDescription, insertInto: context)
+        self.id = id
+        self.text = text
+        self.created = created
+    }
+
+    @available(*, unavailable)
+    public override init(entity: NSEntityDescription, insertInto context: NSManagedObjectContext?) {
+        super.init(entity: entity, insertInto: context)
+    }
+
+    @available(*, unavailable)
+    public init(context: NSManagedObjectContext) {
+        fatalError()
+    }
+
+    @available(*, unavailable)
+    public init() {
+        fatalError()
+    }
+}
+
+extension NoteEntity: SelfDescribingCoreDataEntity {
+    public static var entityDescription = NoteEntity.description(
+        .uuid(\.id),
+        .string(\.text),
+        .date(\.created)
+    )
+}
diff --git a/Examples/Example_01/Example_01/Preview Content/Preview Assets.xcassets/Contents.json b/Examples/Example_01/Example_01/Preview Content/Preview Assets.xcassets/Contents.json
@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/Examples/Example_01/Example_01/Supporting/LoadableResult.swift b/Examples/Example_01/Example_01/Supporting/LoadableResult.swift
@@ -0,0 +1,8 @@
+//  Created by Axel Ancona Esselmann on 5/6/24.
+//
+
+import Foundation
+
+enum LoadableResult {
+    case notStarted, loading, success, failure(Error)
+}
diff --git a/Examples/Example_01/Example_01/UI/CreateNoteView.swift b/Examples/Example_01/Example_01/UI/CreateNoteView.swift
@@ -0,0 +1,26 @@
+//  Created by Axel Ancona Esselmann on 5/6/24.
+//
+
+import SwiftUI
+
+struct CreateNoteView: View {
+
+    let notesManager = AppState.shared.notesManager
+
+    @State
+    var text: String = ""
+
+    var body: some View {
+        HStack {
+            TextField("new note", text: $text)
+                .textFieldStyle(.roundedBorder)
+            Button("create") {
+                Task {
+                    try await notesManager.create(text: text)
+                    text = ""
+                }
+            }
+            .disabled(text.isEmpty)
+        }.padding()
+    }
+}
diff --git a/Examples/Example_01/Example_01/UI/NotesView.swift b/Examples/Example_01/Example_01/UI/NotesView.swift
diff --git a/README.md b/README.md
diff --git a/Sources/ProgrammaticCoreData/NSPersistentContainer+Extensions.swift b/Sources/ProgrammaticCoreData/NSPersistentContainer+Extensions.swift
