add swiftUI code

2025-01-22 14:09:10 +08:00
parent 68e7b7347c
commit 8a99853829
2531 changed files with 486215 additions and 0 deletions
@@ -0,0 +1,49 @@
+import Foundation
+import GRDB
+
+extension AppDatabase {
+    /// The database for the application
+    static let shared = makeShared()
+    
+    private static func makeShared() -> AppDatabase {
+        do {
+            // Apply recommendations from
+            // <https://swiftpackageindex.com/groue/grdb.swift/documentation/grdb/databaseconnections>
+            //
+            // Create the "Application Support/Database" directory if needed
+            let fileManager = FileManager.default
+            let appSupportURL = try fileManager.url(
+                for: .applicationSupportDirectory, in: .userDomainMask,
+                appropriateFor: nil, create: true)
+            let directoryURL = appSupportURL.appendingPathComponent("Database", isDirectory: true)
+            try fileManager.createDirectory(at: directoryURL, withIntermediateDirectories: true)
+            
+            // Open or create the database
+            let databaseURL = directoryURL.appendingPathComponent("db.sqlite")
+            NSLog("Database stored at \(databaseURL.path)")
+            let dbPool = try DatabasePool(
+                path: databaseURL.path,
+                // Use default AppDatabase configuration
+                configuration: AppDatabase.makeConfiguration())
+            
+            // Create the AppDatabase
+            let appDatabase = try AppDatabase(dbPool)
+            
+            // Populate the database if it is empty, for better demo purpose.
+            try appDatabase.createRandomPlayersIfEmpty()
+            
+            return appDatabase
+        } catch {
+            // Replace this implementation with code to handle the error appropriately.
+            // fatalError() causes the application to generate a crash log and terminate.
+            //
+            // Typical reasons for an error here include:
+            // * The parent directory cannot be created, or disallows writing.
+            // * The database is not accessible, due to permissions or data protection when the device is locked.
+            // * The device is out of space.
+            // * The database could not be migrated to its latest schema version.
+            // Check the error message to determine what the actual problem was.
+            fatalError("Unresolved error \(error)")
+        }
+    }
+}