Fix SwiftData migration crash on schema upgrades

Add = false/true defaults to all non-optional Bool properties so SwiftData's lightweight migration knows what value to assign existing rows. Replace try! ModelContainer with crash-safe do-catch that resets the store on migration failure instead of crashing. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-30 11:24:56 +02:00
parent 4ac81d6223
commit 7da7995538
5 changed files with 24 additions and 11 deletions
@@ -17,7 +17,20 @@ struct MealMoodApp: App {
            MealSlot.self
        ])
        let configuration = ModelConfiguration(cloudKitDatabase: .none)
-        return try! ModelContainer(for: schema, configurations: [configuration])
+        do {
+            return try ModelContainer(for: schema, configurations: [configuration])
+        } catch {
+            // Migration failed — reset the store to avoid a crash loop
+            let storeURL = configuration.url
+            for ext in ["", "-shm", "-wal"] {
+                try? FileManager.default.removeItem(at: URL(fileURLWithPath: storeURL.path + ext))
+            }
+            do {
+                return try ModelContainer(for: schema, configurations: [configuration])
+            } catch {
+                fatalError("Cannot create ModelContainer after reset: \(error)")
+            }
+        }
    }()

    init() {