Add live activity

Trio/Sources/Services/IOB/IOBService.swift

@@ -15,7 +15,7 @@ protocol IOBService {
 /// from determinations. Behind the scenes it uses determinations or IoB results stored in the file system
 /// but these are implementation details that we can change with time.
 ///
-/// TODO: Calculate IoB using APSManager after enough time has elapsed from the last file or determination data
+// TODO: Calculate IoB using APSManager after enough time has elapsed from the last file or determination data
 final class BaseIOBService: IOBService, Injectable {
     @Injected() private var fileStorage: FileStorage!
     @Injected() private var determinationStorage: DeterminationStorage!

Trio/Sources/Services/LiveActivity/Data/DataManager.swift

@@ -34,7 +34,7 @@ extension LiveActivityManager {
             key: "deliverAt",
             ascending: false,
             fetchLimit: 1,
-            propertiesToFetch: ["iob", "cob", "currentTarget", "deliverAt"]
+            propertiesToFetch: ["cob", "currentTarget", "deliverAt"]
         )
 
         let tddResults = try await CoreDataStack.shared.fetchEntitiesAsync(
@@ -60,7 +60,6 @@ extension LiveActivityManager {
 
             return DeterminationData(
                 cob: (determination["cob"] as? Int) ?? 0,
-                iob: (determination["iob"] as? NSDecimalNumber)?.decimalValue ?? 0,
                 tdd: tddValue,
                 target: (determination["currentTarget"] as? NSDecimalNumber)?.decimalValue ?? 0,
                 date: determination["deliverAt"] as? Date ?? nil

Trio/Sources/Services/LiveActivity/Data/DeterminationData.swift

@@ -2,7 +2,6 @@ import Foundation
 
 struct DeterminationData {
     let cob: Int
-    let iob: Decimal
     let tdd: Decimal
     let target: Decimal
     let date: Date?

Trio/Sources/Services/LiveActivity/LiveActivityAttributes+Helper.swift

@@ -62,6 +62,7 @@ extension LiveActivityAttributes.ContentState {
         chart: [GlucoseData],
         settings: TrioSettings,
         determination: DeterminationData?,
+        iob: Decimal?,
         override: OverrideData?,
         widgetItems: [LiveActivityAttributes.LiveActivityItem]?
     ) {
@@ -108,7 +109,7 @@ extension LiveActivityAttributes.ContentState {
                 chartDate: chartDate,
                 rotationDegrees: rotationDegrees,
                 cob: Decimal(determination?.cob ?? 0),
-                iob: determination?.iob ?? 0 as Decimal,
+                iob: iob ?? 0 as Decimal,
                 tdd: determination?.tdd ?? 0 as Decimal,
                 isOverrideActive: override?.isActive ?? false,
                 overrideName: override?.overrideName ?? "Override",

Trio/Sources/Services/LiveActivity/LiveActivityManager.swift

@@ -29,6 +29,8 @@ import UIKit
 final class LiveActivityData: ObservableObject {
     /// Determination data used to update live activity state.
     @Published var determination: DeterminationData?
+    /// The most recent IoB data
+    @Published var iob: Decimal?
     /// Array of glucose readings fetched from persistent storage.
     @Published var glucoseFromPersistence: [GlucoseData]?
     /// The current override data (if any).
@@ -51,6 +53,7 @@ final class LiveActivityManager: Injectable, ObservableObject, SettingsObserver
     @Injected() private var broadcaster: Broadcaster!
     @Injected() private var storage: FileStorage!
     @Injected() private var glucoseStorage: GlucoseStorage!
+    @Injected() private var iobService: IOBService!
 
     private let activityAuthorizationInfo = ActivityAuthorizationInfo()
     /// Indicates whether system live activities are enabled.
@@ -147,6 +150,12 @@ final class LiveActivityManager: Injectable, ObservableObject, SettingsObserver
             .sink { [weak self] _ in
                 Task { await self?.loadDetermination() }
             }.store(in: &subscriptions)
+
+        iobService.iobPublisher
+            .debounce(for: .seconds(2), scheduler: DispatchQueue.global(qos: .utility))
+            .sink { [weak self] _ in
+                self?.data.iob = self?.iobService.currentIOB
+            }.store(in: &subscriptions)
     }
 
     /// Fetches and maps new determination data and updates the live activity content state.
@@ -374,6 +383,7 @@ extension LiveActivityManager {
             chart: glucose,
             settings: settings,
             determination: determination,
+            iob: data.iob,
             override: data.override,
             widgetItems: data.widgetItems
         )

Trio/Sources/Services/WatchManager/GarminManager.swift

@@ -52,7 +52,7 @@ final class BaseGarminManager: NSObject, GarminManager, Injectable {
 
     /// Stores, retrieves, and updates insulin dose determinations in CoreData.
     @Injected() private var determinationStorage: DeterminationStorage!
-    
+
     @Injected() private var iobService: IOBService!
 
     /// Persists the user's device list between app launches.
@@ -149,7 +149,7 @@ final class BaseGarminManager: NSObject, GarminManager, Injectable {
                 }
             }
             .store(in: &subscriptions)
-        
+
         iobService.iobPublisher
             .receive(on: DispatchQueue.global(qos: .background))
             .sink { [weak self] _ in