Update ContactImageManager, AppleWatchManager, and GarminManager to use IOBService

Trio/Sources/Services/ContactImage/ContactImageManager.swift

@@ -23,6 +23,7 @@ final class BaseContactImageManager: NSObject, ContactImageManager, Injectable {
     @Injected() private var contactImageStorage: ContactImageStorage!
     @Injected() private var settingsManager: SettingsManager!
     @Injected() private var fileStorage: FileStorage!
+    @Injected() private var iobService: IOBService!
 
     private let contactStore = CNContactStore()
 
@@ -71,6 +72,17 @@ final class BaseContactImageManager: NSObject, ContactImageManager, Injectable {
             }
             .store(in: &subscriptions)
 
+        iobService.iobPublisher
+            .receive(on: DispatchQueue.global(qos: .background))
+            .sink { [weak self] _ in
+                guard let self = self else { return }
+                Task {
+                    await self.updateContactImageState()
+                    await self.updateContactImages()
+                }
+            }
+            .store(in: &subscriptions)
+
         registerHandlers()
     }
 
@@ -207,7 +219,7 @@ final class BaseContactImageManager: NSObject, ContactImageManager, Injectable {
 
             state.lastLoopDate = lastDetermination?.timestamp
 
-            let iobValue = lastDetermination?.iob as? Decimal ?? 0.0
+            let iobValue = iobService.currentIOB ?? 0.0
             state.iob = iobValue
             state.iobText = Formatter.decimalFormatterWithOneFractionDigit.string(from: iobValue as NSNumber)
 

Trio/Sources/Services/WatchManager/AppleWatchManager.swift

@@ -24,6 +24,7 @@ final class BaseWatchManager: NSObject, WCSessionDelegate, Injectable, WatchMana
     @Injected() private var overrideStorage: OverrideStorage!
     @Injected() private var tempTargetStorage: TempTargetsStorage!
     @Injected() private var bolusCalculationManager: BolusCalculationManager!
+    @Injected() private var iobService: IOBService!
 
     private var units: GlucoseUnits = .mgdL
     private var glucoseColorScheme: GlucoseColorScheme = .staticColor
@@ -76,6 +77,17 @@ final class BaseWatchManager: NSObject, WCSessionDelegate, Injectable, WatchMana
             }
             .store(in: &subscriptions)
 
+        iobService.iobPublisher
+            .receive(on: DispatchQueue.global(qos: .background))
+            .sink { [weak self] _ in
+                guard let self = self else { return }
+                Task {
+                    let state = await self.setupWatchState()
+                    await self.sendDataToWatch(state)
+                }
+            }
+            .store(in: &subscriptions)
+
         registerHandlers()
     }
 
@@ -179,10 +191,10 @@ final class BaseWatchManager: NSObject, WCSessionDelegate, Injectable, WatchMana
                 }
 
                 // Set IOB and COB from latest determination
-                if let latestDetermination = determinationObjects.first {
-                    let iob = latestDetermination.iob ?? 0
-                    watchState.iob = Formatter.decimalFormatterWithTwoFractionDigits.string(from: iob)
+                let iob = self.iobService.currentIOB ?? 0
+                watchState.iob = Formatter.decimalFormatterWithTwoFractionDigits.string(from: iob as NSNumber)
 
+                if let latestDetermination = determinationObjects.first {
                     let cob = NSNumber(value: latestDetermination.cob)
                     watchState.cob = Formatter.integerFormatter.string(from: cob)
                 }

Trio/Sources/Services/WatchManager/GarminManager.swift

@@ -52,6 +52,8 @@ 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.
     @Persisted(key: "BaseGarminManager.persistedDevices") private var persistedDevices: [GarminDevice] = []
@@ -147,6 +149,25 @@ final class BaseGarminManager: NSObject, GarminManager, Injectable {
                 }
             }
             .store(in: &subscriptions)
+        
+        iobService.iobPublisher
+            .receive(on: DispatchQueue.global(qos: .background))
+            .sink { [weak self] _ in
+                guard let self = self else { return }
+                Task {
+                    do {
+                        let watchState = try await self.setupGarminWatchState()
+                        let watchStateData = try JSONEncoder().encode(watchState)
+                        self.sendWatchStateData(watchStateData)
+                    } catch {
+                        debug(
+                            .watchManager,
+                            "\(DebuggingIdentifiers.failed) Error updating watch state: \(error)"
+                        )
+                    }
+                }
+            }
+            .store(in: &subscriptions)
 
         registerHandlers()
     }
@@ -239,15 +260,15 @@ final class BaseGarminManager: NSObject, GarminManager, Injectable {
                 var watchState = GarminWatchState()
 
                 /// Pull `glucose`, `trendRaw`, `delta`, `lastLoopDateInterval`, `iob`, `cob`,  `isf`, and `eventualBGRaw` from the latest determination.
+                let iobValue = self.iobService.currentIOB ?? 0
+                watchState.iob = self.iobFormatterWithOneFractionDigit(iobValue)
+
                 if let latestDetermination = determinationObjects.first {
                     watchState.lastLoopDateInterval = latestDetermination.timestamp.map {
                         guard $0.timeIntervalSince1970 > 0 else { return 0 }
                         return UInt64($0.timeIntervalSince1970)
                     }
 
-                    let iobValue = latestDetermination.iob ?? 0
-                    watchState.iob = self.iobFormatterWithOneFractionDigit(iobValue as Decimal)
-
                     let cobNumber = NSNumber(value: latestDetermination.cob)
                     watchState.cob = Formatter.integerFormatter.string(from: cobNumber)