Archive deleted glucose readings

This commit introduces a new table in CoreData to store deleted
glucose readings. Storing deleted glucose values allows us to avoid
backfilling already deleted items after we re-enable CGM backfills.

Model/Classes+Properties/DeletedGlucoseStored+CoreDataClass.swift

@@ -0,0 +1,4 @@
+import CoreData
+import Foundation
+
+@objc(DeletedGlucoseStored) public class DeletedGlucoseStored: NSManagedObject {}

Model/Classes+Properties/DeletedGlucoseStored+CoreDataProperties.swift

@@ -0,0 +1,14 @@
+import CoreData
+import Foundation
+
+public extension DeletedGlucoseStored {
+    @nonobjc class func fetchRequest() -> NSFetchRequest<GlucoseStored> {
+        NSFetchRequest<GlucoseStored>(entityName: "DeletedGlucoseStored")
+    }
+
+    @NSManaged var date: Date
+    @NSManaged var glucose: Int16
+    @NSManaged var isManualGlucoseEntry: Bool
+}
+
+extension DeletedGlucoseStored: Identifiable {}

Model/TrioCoreDataPersistentContainer.xcdatamodeld/TrioCoreDataPersistentContainer.xcdatamodel/contents

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="23605" systemVersion="24C101" minimumToolsVersion="Automatic" sourceLanguage="Swift" usedWithSwiftData="YES" userDefinedModelVersionIdentifier="">
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="23788" systemVersion="24G84" minimumToolsVersion="Automatic" sourceLanguage="Swift" usedWithSwiftData="YES" userDefinedModelVersionIdentifier="">
     <entity name="BolusStored" representedClassName="BolusStored" syncable="YES">
         <attribute name="amount" optional="YES" attributeType="Decimal" defaultValueString="0"/>
         <attribute name="isExternal" optional="YES" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES"/>
@@ -42,6 +42,14 @@
         <attribute name="ringWidth" optional="YES" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="YES"/>
         <attribute name="top" optional="YES" attributeType="String"/>
     </entity>
+    <entity name="DeletedGlucoseStored" representedClassName="DeletedGlucoseStored" syncable="YES">
+        <attribute name="date" attributeType="Date" usesScalarValueType="NO"/>
+        <attribute name="glucose" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="YES"/>
+        <attribute name="isManualGlucoseEntry" attributeType="Boolean" usesScalarValueType="YES"/>
+        <fetchIndex name="byDate">
+            <fetchIndexElement property="date" type="Binary" order="ascending"/>
+        </fetchIndex>
+    </entity>
     <entity name="Forecast" representedClassName="Forecast" syncable="YES">
         <attribute name="date" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
         <attribute name="id" optional="YES" attributeType="UUID" usesScalarValueType="NO"/>

Trio.xcodeproj/project.pbxproj

@@ -245,6 +245,8 @@
 		3B4BA78F2D8DC0EC0069D5B8 /* TidepoolServiceKit.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 3B4BA7882D8DC0EC0069D5B8 /* TidepoolServiceKit.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		3B4BA7902D8DC0EC0069D5B8 /* TidepoolServiceKitUI.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3B4BA7892D8DC0EC0069D5B8 /* TidepoolServiceKitUI.framework */; };
 		3B4BA7912D8DC0EC0069D5B8 /* TidepoolServiceKitUI.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 3B4BA7892D8DC0EC0069D5B8 /* TidepoolServiceKitUI.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
+		3B56079E2ECD62A800C723C1 /* DeletedGlucoseStored+CoreDataClass.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3B56079D2ECD62A800C723C1 /* DeletedGlucoseStored+CoreDataClass.swift */; };
+		3B5607A02ECD62AC00C723C1 /* DeletedGlucoseStored+CoreDataProperties.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3B56079F2ECD62AC00C723C1 /* DeletedGlucoseStored+CoreDataProperties.swift */; };
 		3B997DCB2DC00849006B6BB2 /* JSONImporter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3B997DCA2DC00849006B6BB2 /* JSONImporter.swift */; };
 		3B997DCF2DC00A3A006B6BB2 /* JSONImporterTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3B997DCE2DC00A3A006B6BB2 /* JSONImporterTests.swift */; };
 		3B997DD32DC02AEF006B6BB2 /* glucose.json in Resources */ = {isa = PBXBuildFile; fileRef = 3B997DD12DC02AEF006B6BB2 /* glucose.json */; };
@@ -1068,6 +1070,8 @@
 		3B4BA7692D8DBD690069D5B8 /* RileyLinkKitUI.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = RileyLinkKitUI.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		3B4BA7882D8DC0EC0069D5B8 /* TidepoolServiceKit.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = TidepoolServiceKit.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		3B4BA7892D8DC0EC0069D5B8 /* TidepoolServiceKitUI.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = TidepoolServiceKitUI.framework; sourceTree = BUILT_PRODUCTS_DIR; };
+		3B56079D2ECD62A800C723C1 /* DeletedGlucoseStored+CoreDataClass.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "DeletedGlucoseStored+CoreDataClass.swift"; sourceTree = "<group>"; };
+		3B56079F2ECD62AC00C723C1 /* DeletedGlucoseStored+CoreDataProperties.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "DeletedGlucoseStored+CoreDataProperties.swift"; sourceTree = "<group>"; };
 		3B997DCA2DC00849006B6BB2 /* JSONImporter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = JSONImporter.swift; sourceTree = "<group>"; };
 		3B997DCE2DC00A3A006B6BB2 /* JSONImporterTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = JSONImporterTests.swift; sourceTree = "<group>"; };
 		3B997DD12DC02AEF006B6BB2 /* glucose.json */ = {isa = PBXFileReference; lastKnownFileType = text.json; path = glucose.json; sourceTree = "<group>"; };
@@ -3550,6 +3554,8 @@
 				DDE1793B2C910127003CDDB7 /* CarbEntryStored+CoreDataProperties.swift */,
 				DDB37CC22D05044D00D99BF4 /* ContactTrickEntryStored+CoreDataClass.swift */,
 				DDB37CC32D05044D00D99BF4 /* ContactTrickEntryStored+CoreDataProperties.swift */,
+				3B56079D2ECD62A800C723C1 /* DeletedGlucoseStored+CoreDataClass.swift */,
+				3B56079F2ECD62AC00C723C1 /* DeletedGlucoseStored+CoreDataProperties.swift */,
 				DDE179422C910127003CDDB7 /* Forecast+CoreDataClass.swift */,
 				DDE179432C910127003CDDB7 /* Forecast+CoreDataProperties.swift */,
 				DDE179382C910127003CDDB7 /* ForecastValue+CoreDataClass.swift */,
@@ -4334,6 +4340,7 @@
 				3B4196E02D8C4BC00091DFF7 /* HomeStateModel+CGM.swift in Sources */,
 				38D0B3D925EC07C400CB6E88 /* CarbsEntry.swift in Sources */,
 				DD32CF9C2CC82499003686D6 /* TrioRemoteControl+TempTarget.swift in Sources */,
+				3B5607A02ECD62AC00C723C1 /* DeletedGlucoseStored+CoreDataProperties.swift in Sources */,
 				BD249D882D42FC0000412DEB /* BolusStatsView.swift in Sources */,
 				38A9260525F012D8009E3739 /* CarbRatios.swift in Sources */,
 				38FCF3D625E8FDF40078B0D1 /* MD5.swift in Sources */,
@@ -4424,6 +4431,7 @@
 				DDFF202F2DB1D14500AB8A96 /* NotificationPermissionStepView.swift in Sources */,
 				491D6FBD2D56741C00C49F67 /* TempTargetStored+CoreDataProperties.swift in Sources */,
 				491D6FBE2D56741C00C49F67 /* TempTargetRunStored+CoreDataClass.swift in Sources */,
+				3B56079E2ECD62A800C723C1 /* DeletedGlucoseStored+CoreDataClass.swift in Sources */,
 				491D6FBF2D56741C00C49F67 /* TempTargetRunStored+CoreDataProperties.swift in Sources */,
 				491D6FC02D56741C00C49F67 /* TempTargetStored+CoreDataClass.swift in Sources */,
 				DD1745442C55C60E00211FAC /* AutosensSettingsDataFlow.swift in Sources */,

Trio/Sources/APS/Storage/GlucoseStorage.swift

@@ -582,6 +582,14 @@ final class BaseGlucoseStorage: GlucoseStorage, Injectable {
                     return
                 }
 
+                // Create a new DeletedGlucoseStored object and copy the properties
+                if let date = glucoseToDelete.date {
+                    let deletedEntry = DeletedGlucoseStored(context: taskContext)
+                    deletedEntry.date = date
+                    deletedEntry.glucose = glucoseToDelete.glucose
+                    deletedEntry.isManualGlucoseEntry = glucoseToDelete.isManual
+                }
+
                 taskContext.delete(glucoseToDelete)
 
                 guard taskContext.hasChanges else { return }

Trio/Sources/Application/TrioApp.swift

@@ -407,6 +407,8 @@ extension Notification.Name {
 
     private func purgeOldNSManagedObjects() async throws {
         async let glucoseDeletion: () = coreDataStack.batchDeleteOlderThan(GlucoseStored.self, dateKey: "date", days: 90)
+        async let deletedGlucoseDeletion: () = coreDataStack
+            .batchDeleteOlderThan(DeletedGlucoseStored.self, dateKey: "date", days: 90)
         async let pumpEventDeletion: () = coreDataStack.batchDeleteOlderThan(PumpEventStored.self, dateKey: "timestamp", days: 90)
         async let bolusDeletion: () = coreDataStack.batchDeleteOlderThan(
             parentType: PumpEventStored.self,
@@ -441,6 +443,7 @@ extension Notification.Name {
 
         // Await each task to ensure they are all completed
         try await glucoseDeletion
+        try await deletedGlucoseDeletion
         try await pumpEventDeletion
         try await bolusDeletion
         try await tempBasalDeletion

TrioTests/CoreDataTests/GlucoseStorageTests.swift

@@ -99,6 +99,18 @@ import Testing
         ) as? [GlucoseStored]
 
         #expect(remainingEntries?.isEmpty == true, "Should have no entries after deletion")
+
+        // Finally verify that it stored a copy
+        // Then verify deletion
+        let archivedEntries = try await coreDataStack.fetchEntitiesAsync(
+            ofType: DeletedGlucoseStored.self,
+            onContext: testContext,
+            predicate: NSPredicate(format: "glucose == 140"),
+            key: "date",
+            ascending: false
+        ) as? [DeletedGlucoseStored]
+
+        #expect(archivedEntries?.isEmpty == false, "Should have archived entries after deletion")
     }
 
     @Test("Get glucose not yet uploaded to Nightscout") func testGetGlucoseNotYetUploadedToNightscout() async throws {