ref: core data controller

EmpowerPlant.xcodeproj/project.pbxproj

@@ -10,12 +10,12 @@
 		843BD60F2AD08CE900B0098F /* Utils.swift in Sources */ = {isa = PBXBuildFile; fileRef = 843BD60E2AD08CE900B0098F /* Utils.swift */; };
 		843BD6272AD7798C00B0098F /* jwt-deep-field.png in Resources */ = {isa = PBXBuildFile; fileRef = 843BD6262AD7798C00B0098F /* jwt-deep-field.png */; };
 		846BEA1C2ABE611A0032F77F /* mobydick.txt in Resources */ = {isa = PBXBuildFile; fileRef = 846BEA1B2ABE611A0032F77F /* mobydick.txt */; };
+		846D3F642E297C3E00D4E7E3 /* CoreDataController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 846D3F632E297C3E00D4E7E3 /* CoreDataController.swift */; };
 		848716A32AD8C3CD00756467 /* BigInt in Frameworks */ = {isa = PBXBuildFile; productRef = 848716A22AD8C3CD00756467 /* BigInt */; };
 		848716B72ADFAA2000756467 /* Sentry in Frameworks */ = {isa = PBXBuildFile; productRef = 848716B62ADFAA2000756467 /* Sentry */; };
 		8B21663C29D3F8C80009C890 /* RandomErrors.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8B21663B29D3F8C80009C890 /* RandomErrors.swift */; };
 		8BA3AB382A20212C00BE1EA8 /* CartViewControllerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8BA3AB372A20212C00BE1EA8 /* CartViewControllerTests.swift */; };
-		D15EDF12282BF7FB00FC13D6 /* Product+CoreDataProperties.swift in Sources */ = {isa = PBXBuildFile; fileRef = D15EDF11282BF7FB00FC13D6 /* Product+CoreDataProperties.swift */; };
-		D15EDF14282BF80400FC13D6 /* Product+CoreDataClass.swift in Sources */ = {isa = PBXBuildFile; fileRef = D15EDF13282BF80400FC13D6 /* Product+CoreDataClass.swift */; };
+		D15EDF14282BF80400FC13D6 /* Product.swift in Sources */ = {isa = PBXBuildFile; fileRef = D15EDF13282BF80400FC13D6 /* Product.swift */; };
 		D15FCDA927E00F0D00258BF3 /* Model.xcdatamodeld in Sources */ = {isa = PBXBuildFile; fileRef = D15FCDA727E00F0D00258BF3 /* Model.xcdatamodeld */; };
 		D17C73B327D8291D006650AF /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = D17C73B227D8291D006650AF /* AppDelegate.swift */; };
 		D17C73B527D8291D006650AF /* SceneDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = D17C73B427D8291D006650AF /* SceneDelegate.swift */; };
@@ -44,6 +44,7 @@
 		843BD6262AD7798C00B0098F /* jwt-deep-field.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "jwt-deep-field.png"; sourceTree = "<group>"; };
 		846BEA1A2ABE46880032F77F /* upload-symbols.sh */ = {isa = PBXFileReference; lastKnownFileType = text.script.sh; path = "upload-symbols.sh"; sourceTree = "<group>"; };
 		846BEA1B2ABE611A0032F77F /* mobydick.txt */ = {isa = PBXFileReference; lastKnownFileType = text; path = mobydick.txt; sourceTree = "<group>"; };
+		846D3F632E297C3E00D4E7E3 /* CoreDataController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CoreDataController.swift; sourceTree = "<group>"; };
 		8474F0482ACCE2D800F21E06 /* deploy_project.sh */ = {isa = PBXFileReference; lastKnownFileType = text.script.sh; path = deploy_project.sh; sourceTree = "<group>"; };
 		8474F04D2ACE54F300F21E06 /* .github */ = {isa = PBXFileReference; lastKnownFileType = folder; path = .github; sourceTree = "<group>"; };
 		848A45262BBFC79E006AAAEC /* .codecov.yml */ = {isa = PBXFileReference; lastKnownFileType = text.yaml; path = .codecov.yml; sourceTree = "<group>"; };
@@ -55,8 +56,7 @@
 		84A2641E2AA926A300A62A88 /* .env */ = {isa = PBXFileReference; lastKnownFileType = text; path = .env; sourceTree = "<group>"; };
 		8B21663B29D3F8C80009C890 /* RandomErrors.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = RandomErrors.swift; sourceTree = "<group>"; };
 		8BA3AB372A20212C00BE1EA8 /* CartViewControllerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CartViewControllerTests.swift; sourceTree = "<group>"; };
-		D15EDF11282BF7FB00FC13D6 /* Product+CoreDataProperties.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "Product+CoreDataProperties.swift"; sourceTree = "<group>"; };
-		D15EDF13282BF80400FC13D6 /* Product+CoreDataClass.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "Product+CoreDataClass.swift"; sourceTree = "<group>"; };
+		D15EDF13282BF80400FC13D6 /* Product.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Product.swift; sourceTree = "<group>"; };
 		D15FCDA827E00F0D00258BF3 /* Model.xcdatamodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcdatamodel; path = Model.xcdatamodel; sourceTree = "<group>"; };
 		D17C73B227D8291D006650AF /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		D17C73B427D8291D006650AF /* SceneDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SceneDelegate.swift; sourceTree = "<group>"; };
@@ -124,12 +124,12 @@
 				D17C73B227D8291D006650AF /* AppDelegate.swift */,
 				D17C73B427D8291D006650AF /* SceneDelegate.swift */,
 				D17C73B827D8291D006650AF /* Main.storyboard */,
-				D15EDF13282BF80400FC13D6 /* Product+CoreDataClass.swift */,
-				D15EDF11282BF7FB00FC13D6 /* Product+CoreDataProperties.swift */,
+				D15EDF13282BF80400FC13D6 /* Product.swift */,
 				D17C73D127D83321006650AF /* ListAppViewController.swift */,
 				843BD60E2AD08CE900B0098F /* Utils.swift */,
 				D15FCDA727E00F0D00258BF3 /* Model.xcdatamodeld */,
 				D17C73CB27D82EB8006650AF /* EmpowerPlantViewController.swift */,
+				846D3F632E297C3E00D4E7E3 /* CoreDataController.swift */,
 				846BEA1B2ABE611A0032F77F /* mobydick.txt */,
 				D19EBE6E2805ED52007022DC /* ShoppingCart.swift */,
 				D17C73CE27D82ED1006650AF /* CartViewController.swift */,
@@ -285,15 +285,15 @@
 			files = (
 				D17C73CC27D82EB8006650AF /* EmpowerPlantViewController.swift in Sources */,
 				D17C73D227D83321006650AF /* ListAppViewController.swift in Sources */,
-				D15EDF14282BF80400FC13D6 /* Product+CoreDataClass.swift in Sources */,
+				846D3F642E297C3E00D4E7E3 /* CoreDataController.swift in Sources */,
+				D15EDF14282BF80400FC13D6 /* Product.swift in Sources */,
 				D15FCDA927E00F0D00258BF3 /* Model.xcdatamodeld in Sources */,
 				D17C73CF27D82ED1006650AF /* CartViewController.swift in Sources */,
 				8B21663C29D3F8C80009C890 /* RandomErrors.swift in Sources */,
 				D19EBE6F2805ED52007022DC /* ShoppingCart.swift in Sources */,
 				843BD60F2AD08CE900B0098F /* Utils.swift in Sources */,
 				D17C73B327D8291D006650AF /* AppDelegate.swift in Sources */,
 				D17C73B527D8291D006650AF /* SceneDelegate.swift in Sources */,
-				D15EDF12282BF7FB00FC13D6 /* Product+CoreDataProperties.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

EmpowerPlant.xcodeproj/xcshareddata/xcschemes/EmpowerPlant.xcscheme

@@ -91,6 +91,11 @@
             value = "$(USER)"
             isEnabled = "YES">
          </EnvironmentVariable>
+         <EnvironmentVariable
+            key = "--io.sentry.dsn="
+            value = ""
+            isEnabled = "NO">
+         </EnvironmentVariable>
       </EnvironmentVariables>
    </LaunchAction>
    <ProfileAction

EmpowerPlant/AppDelegate.swift

@@ -7,13 +7,9 @@
 
 import UIKit
 import Sentry
-import CoreData
 
 @main
 class AppDelegate: UIResponder, UIApplicationDelegate {
-
-
-
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
 
         // the Sentry default is to enable swizzling. we'll use that as our default as well. we check for the launch arg to disable swizzling; if it's provided, then we'll disable swizzling. if it's absent, then swizzling will be enabled.
@@ -65,53 +61,5 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         // Use this method to select a configuration to create the new scene with.
         return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
     }
-
-    func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
-        // Called when the user discards a scene session.
-        // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
-        // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
-    }
-
-    lazy var persistentContainer: NSPersistentContainer = {
-            /*
-             The persistent container for the application. This implementation
-             creates and returns a container, having loaded the store for the
-             application to it. This property is optional since there are legitimate
-             error conditions that could cause the creation of the store to fail.
-             */
-            let container = NSPersistentContainer(name: "Model")
-            container.loadPersistentStores(completionHandler: { (storeDescription, error) in
-                if let error = error as NSError? {
-                    // Replace this implementation with code to handle the error appropriately.
-                    // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
-
-                    /*
-                     Typical reasons for an error here include:
-                     * The parent directory does not exist, cannot be created, or disallows writing.
-                     * The persistent store is not accessible, due to permissions or data protection when the device is locked.
-                     * The device is out of space.
-                     * The store could not be migrated to the current model version.
-                     Check the error message to determine what the actual problem was.
-                     */
-                    fatalError("Unresolved error \(error), \(error.userInfo)")
-                }
-            })
-            return container
-        }()
-
-        // MARK: - Core Data Saving support
-
-        func saveContext () {
-            let context = persistentContainer.viewContext
-            if context.hasChanges {
-                do {
-                    try context.save()
-                } catch {
-                    // TODO: error
-                }
-            }
-        }
-
-
 }
 

EmpowerPlant/CoreDataController.swift

@@ -0,0 +1,145 @@
+//
+//  CoreDataController.swift
+//  EmpowerPlant
+//
+//  Created by Andrew McKnight on 7/17/25.
+//
+
+import Foundation
+import CoreData
+
+struct ProductMap: Decodable {
+    let id: Int
+    let title: String
+    let description: String
+    let descriptionfull: String
+    let img: String
+    let imgcropped: String
+    let price: Int
+    // reviews: [{id: 4, productid: 4, rating: 4, customerid: null, description: null, created: String},...]
+}
+
+class CoreDataController {
+    static let shared = CoreDataController()
+
+    lazy var context = persistentContainer.viewContext
+
+    lazy var persistentContainer: NSPersistentContainer = {
+        /*
+         The persistent container for the application. This implementation
+         creates and returns a container, having loaded the store for the
+         application to it. This property is optional since there are legitimate
+         error conditions that could cause the creation of the store to fail.
+         */
+        let container = NSPersistentContainer(name: "Model")
+        container.loadPersistentStores(completionHandler: { (storeDescription, error) in
+            if let error = error as NSError? {
+                // Replace this implementation with code to handle the error appropriately.
+                // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
+
+                /*
+                 Typical reasons for an error here include:
+                 * The parent directory does not exist, cannot be created, or disallows writing.
+                 * The persistent store is not accessible, due to permissions or data protection when the device is locked.
+                 * The device is out of space.
+                 * The store could not be migrated to the current model version.
+                 Check the error message to determine what the actual problem was.
+                 */
+                fatalError("Unresolved error \(error), \(error.userInfo)")
+            }
+        })
+        return container
+    }()
+
+    // MARK: CRUD Operations
+
+    func createProduct(productId: String, title: String, productDescription: String, productDescriptionFull: String, img: String, imgCropped: String, price: String) {
+        let newProduct = Product(context: context)
+
+        newProduct.productId = productId
+        newProduct.title = title
+        newProduct.productDescription = productDescription
+        newProduct.productDescriptionFull = productDescriptionFull
+        newProduct.img = img
+        newProduct.imgCropped = imgCropped
+        newProduct.price = price
+    }
+
+    func createProduct(product: ProductMap) {
+        createProduct(productId: String(product.id), title: product.title, productDescription: product.description, productDescriptionFull: product.descriptionfull, img: product.img, imgCropped: product.imgcropped, price: String(product.price))
+    }
+
+    func getAllProducts() throws -> [Product] {
+        let request: NSFetchRequest<Product> = Product.fetchRequest()
+        return try context.fetch(request)
+    }
+
+    func deleteProduct(product: Product) {
+        context.delete(product)
+        do {
+            try context.save()
+        }
+        catch {
+            // TODO: error
+        }
+    }
+
+    func saveContext () {
+        let context = persistentContainer.viewContext
+        if context.hasChanges {
+            do {
+                try context.save()
+            } catch {
+                // TODO: error
+            }
+        }
+    }
+
+    func generateDBItems(total: Int) {
+        let itemsPerBatch = 1_000
+        let batches = total / itemsPerBatch
+        DispatchQueue.global(qos: .utility).async {
+            for i in 0..<batches {
+                DispatchQueue.main.async {
+                    for j in 0..<itemsPerBatch {
+                        let newProduct = Product(context: self.context)
+                        let productNum = i * itemsPerBatch + j
+
+                        newProduct.productId = "Product \(productNum)" // 'id' was a reserved word in swift
+                        newProduct.title = "Product \(productNum)"
+                        newProduct.productDescription = "Description for product \(i)" // 'description' was a reserved word in swift
+                        newProduct.productDescriptionFull = "Full description for product \(productNum)"
+                        newProduct.img = "img"
+                        newProduct.imgCropped = "img.cropped"
+                        newProduct.price = "\(productNum)"
+                    }
+
+                    do {
+                        try self.context.save()
+                        NotificationCenter.default.post(name: modifiedDBNotificationName, object: nil)
+                    } catch {
+                        // TODO: error
+                    }
+                }
+                // add a small delay so it doesn't lock up the UI
+                usleep(100_000) // 100 milliseconds
+            }
+        }
+    }
+}
+
+public let modifiedDBNotificationName = Notification.Name("io.sentry.empowerplants.newly-generated-db-items-available")
+
+public func wipeDB() {
+    guard let url = CoreDataController.shared.persistentContainer.persistentStoreCoordinator.persistentStores.first?.url else {
+        // TODO: error
+        return
+    }
+
+    do {
+        try FileManager.default.removeItem(at: url)
+    } catch {
+        // TODO: error
+        return
+    }
+}