PumpSettingsEditor

FreeAPS.xcodeproj/project.pbxproj

@@ -7,6 +7,8 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		25548F1F0AA8E42FF5F96DBA /* PumpSettingsEditorBuilder.swift in Sources */ = {isa = PBXBuildFile; fileRef = 10CAE3534904CDCA0F367017 /* PumpSettingsEditorBuilder.swift */; };
+		2BE9A6FA20875F6F4F9CD461 /* PumpSettingsEditorProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = D97F14812C1AFED3621165A5 /* PumpSettingsEditorProvider.swift */; };
 		3340E0D14D4701342D459C95 /* PumpConfigBuilder.swift in Sources */ = {isa = PBXBuildFile; fileRef = E01C416A0792696C6911C1D7 /* PumpConfigBuilder.swift */; };
 		3811DE0925C9D32F00A708ED /* BaseViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3811DE0525C9D32E00A708ED /* BaseViewModel.swift */; };
 		3811DE0A25C9D32F00A708ED /* BaseModuleBuilder.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3811DE0625C9D32E00A708ED /* BaseModuleBuilder.swift */; };
@@ -95,6 +97,8 @@
 		3871F38725ED661C0013ECB5 /* Suggestion.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3871F38625ED661C0013ECB5 /* Suggestion.swift */; };
 		3871F39C25ED892B0013ECB5 /* TempTarget.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3871F39B25ED892B0013ECB5 /* TempTarget.swift */; };
 		3871F39F25ED895A0013ECB5 /* Decimal+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3871F39E25ED895A0013ECB5 /* Decimal+Extensions.swift */; };
+		3883581C25EE79BB00E024B2 /* DecimalTextField.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3883581B25EE79BB00E024B2 /* DecimalTextField.swift */; };
+		3883583425EEB38000E024B2 /* PumpSettings.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3883583325EEB38000E024B2 /* PumpSettings.swift */; };
 		388E595C25AD948C0019842D /* FreeAPSApp.swift in Sources */ = {isa = PBXBuildFile; fileRef = 388E595B25AD948C0019842D /* FreeAPSApp.swift */; };
 		388E596025AD948E0019842D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 388E595F25AD948E0019842D /* Assets.xcassets */; };
 		388E596C25AD95110019842D /* OpenAPS.swift in Sources */ = {isa = PBXBuildFile; fileRef = 388E596B25AD95110019842D /* OpenAPS.swift */; };
@@ -155,13 +159,16 @@
 		38FCF3FD25E997A80078B0D1 /* PumpHistoryStorage.swift in Sources */ = {isa = PBXBuildFile; fileRef = 38FCF3FC25E997A80078B0D1 /* PumpHistoryStorage.swift */; };
 		38FE826A25CC82DB001FF17A /* NetworkService.swift in Sources */ = {isa = PBXBuildFile; fileRef = 38FE826925CC82DB001FF17A /* NetworkService.swift */; };
 		38FE826D25CC8461001FF17A /* NightscoutAPI.swift in Sources */ = {isa = PBXBuildFile; fileRef = 38FE826C25CC8461001FF17A /* NightscoutAPI.swift */; };
+		448B6FCB252BD4796E2960C0 /* PumpSettingsEditorDataFlow.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0274EE6439B1C3ED70730D41 /* PumpSettingsEditorDataFlow.swift */; };
 		45252C95D220E796FDB3B022 /* ConfigEditorDataFlow.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3F8A87AA037BD079BA3528BA /* ConfigEditorDataFlow.swift */; };
 		45717281F743594AA9D87191 /* ConfigEditorRootView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 920DDB21E5D0EB813197500D /* ConfigEditorRootView.swift */; };
 		53F2382465BF74DB1A967C8B /* PumpConfigProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = A8630D58BDAD6D9C650B9B39 /* PumpConfigProvider.swift */; };
 		5D16287A969E64D18CE40E44 /* PumpConfigViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3F60E97100041040446F44E7 /* PumpConfigViewModel.swift */; };
 		642F76A05A4FF530463A9FD0 /* NightscoutConfigRootView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8782B44544F38F2B2D82C38E /* NightscoutConfigRootView.swift */; };
+		6B9625766B697D1C98E455A2 /* PumpSettingsEditorViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 72778B68C3004F71F6E79BDC /* PumpSettingsEditorViewModel.swift */; };
 		72F1BD388F42FCA6C52E4500 /* ConfigEditorProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = 44080E4709E3AE4B73054563 /* ConfigEditorProvider.swift */; };
 		9825E5E923F0B8FA80C8C7C7 /* NightscoutConfigViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = A0A48AE3AC813A49A517846A /* NightscoutConfigViewModel.swift */; };
+		A0B8EC8CC5CD1DD237D1BCD2 /* PumpSettingsEditorRootView.swift in Sources */ = {isa = PBXBuildFile; fileRef = B8C7F882606FF83A21BE00D8 /* PumpSettingsEditorRootView.swift */; };
 		AD3D2CD42CD01B9EB8F26522 /* PumpConfigDataFlow.swift in Sources */ = {isa = PBXBuildFile; fileRef = AF65DA88F972B56090AD6AC3 /* PumpConfigDataFlow.swift */; };
 		BD2B464E0745FBE7B79913F4 /* NightscoutConfigProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3BF768BD6264FF7D71D66767 /* NightscoutConfigProvider.swift */; };
 		CDB87FA71A93F3739D3D338E /* NightscoutConfigBuilder.swift in Sources */ = {isa = PBXBuildFile; fileRef = 111579A6E3AC6BFA79C4DD43 /* NightscoutConfigBuilder.swift */; };
@@ -547,6 +554,8 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		0274EE6439B1C3ED70730D41 /* PumpSettingsEditorDataFlow.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = PumpSettingsEditorDataFlow.swift; sourceTree = "<group>"; };
+		10CAE3534904CDCA0F367017 /* PumpSettingsEditorBuilder.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = PumpSettingsEditorBuilder.swift; sourceTree = "<group>"; };
 		111579A6E3AC6BFA79C4DD43 /* NightscoutConfigBuilder.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = NightscoutConfigBuilder.swift; sourceTree = "<group>"; };
 		2AD22C985B79A2F0D2EA3D9D /* PumpConfigRootView.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = PumpConfigRootView.swift; sourceTree = "<group>"; };
 		2F2A13DF0EDEEEDC4106AA2A /* NightscoutConfigDataFlow.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = NightscoutConfigDataFlow.swift; sourceTree = "<group>"; };
@@ -628,6 +637,8 @@
 		3871F38625ED661C0013ECB5 /* Suggestion.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Suggestion.swift; sourceTree = "<group>"; };
 		3871F39B25ED892B0013ECB5 /* TempTarget.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TempTarget.swift; sourceTree = "<group>"; };
 		3871F39E25ED895A0013ECB5 /* Decimal+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Decimal+Extensions.swift"; sourceTree = "<group>"; };
+		3883581B25EE79BB00E024B2 /* DecimalTextField.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DecimalTextField.swift; sourceTree = "<group>"; };
+		3883583325EEB38000E024B2 /* PumpSettings.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PumpSettings.swift; sourceTree = "<group>"; };
 		388E595825AD948C0019842D /* FreeAPS.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = FreeAPS.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		388E595B25AD948C0019842D /* FreeAPSApp.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FreeAPSApp.swift; sourceTree = "<group>"; };
 		388E595F25AD948E0019842D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
@@ -674,11 +685,14 @@
 		3F8A87AA037BD079BA3528BA /* ConfigEditorDataFlow.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = ConfigEditorDataFlow.swift; sourceTree = "<group>"; };
 		44080E4709E3AE4B73054563 /* ConfigEditorProvider.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = ConfigEditorProvider.swift; sourceTree = "<group>"; };
 		5D5B4F8B4194BB7E260EF251 /* ConfigEditorViewModel.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = ConfigEditorViewModel.swift; sourceTree = "<group>"; };
+		72778B68C3004F71F6E79BDC /* PumpSettingsEditorViewModel.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = PumpSettingsEditorViewModel.swift; sourceTree = "<group>"; };
 		8782B44544F38F2B2D82C38E /* NightscoutConfigRootView.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = NightscoutConfigRootView.swift; sourceTree = "<group>"; };
 		920DDB21E5D0EB813197500D /* ConfigEditorRootView.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = ConfigEditorRootView.swift; sourceTree = "<group>"; };
 		A0A48AE3AC813A49A517846A /* NightscoutConfigViewModel.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = NightscoutConfigViewModel.swift; sourceTree = "<group>"; };
 		A8630D58BDAD6D9C650B9B39 /* PumpConfigProvider.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = PumpConfigProvider.swift; sourceTree = "<group>"; };
 		AF65DA88F972B56090AD6AC3 /* PumpConfigDataFlow.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = PumpConfigDataFlow.swift; sourceTree = "<group>"; };
+		B8C7F882606FF83A21BE00D8 /* PumpSettingsEditorRootView.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = PumpSettingsEditorRootView.swift; sourceTree = "<group>"; };
+		D97F14812C1AFED3621165A5 /* PumpSettingsEditorProvider.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = PumpSettingsEditorProvider.swift; sourceTree = "<group>"; };
 		E01C416A0792696C6911C1D7 /* PumpConfigBuilder.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = PumpConfigBuilder.swift; sourceTree = "<group>"; };
 		E492D5B2EEF2119977EA2CE4 /* ConfigEditorBuilder.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = ConfigEditorBuilder.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -746,6 +760,7 @@
 				D533BF261CDC1C3F871E7BFD /* NightscoutConfig */,
 				3811DE6325C9D62600A708ED /* Onboarding */,
 				99C01B871ACAB3F32CE755C7 /* PumpConfig */,
+				E493126EA71765130F64CCE5 /* PumpSettingsEditor */,
 				3811DE8125C9D6DD00A708ED /* RequestPermissions */,
 				3811DE3825C9D4A100A708ED /* Settings */,
 			);
@@ -774,6 +789,7 @@
 				3811DE0325C9D31700A708ED /* Modules */,
 				3811DE1425C9D40400A708ED /* Router */,
 				3811DE9125C9D88200A708ED /* Services */,
+				3883582E25EEAFC000E024B2 /* Views */,
 			);
 			path = Sources;
 			sourceTree = "<group>";
@@ -1061,6 +1077,15 @@
 			path = APS;
 			sourceTree = "<group>";
 		};
+		3883582E25EEAFC000E024B2 /* Views */ = {
+			isa = PBXGroup;
+			children = (
+				3811DE5925C9D4D500A708ED /* ViewModifiers.swift */,
+				3883581B25EE79BB00E024B2 /* DecimalTextField.swift */,
+			);
+			path = Views;
+			sourceTree = "<group>";
+		};
 		388E594F25AD948C0019842D = {
 			isa = PBXGroup;
 			children = (
@@ -1117,6 +1142,7 @@
 				38A0364125ED069400FCBB52 /* TempBasal.swift */,
 				3871F38625ED661C0013ECB5 /* Suggestion.swift */,
 				3871F39B25ED892B0013ECB5 /* TempTarget.swift */,
+				3883583325EEB38000E024B2 /* PumpSettings.swift */,
 			);
 			path = Models;
 			sourceTree = "<group>";
@@ -1133,7 +1159,6 @@
 				38C4D33925E9A1ED00D30B77 /* NSObject+AssociatedValues.swift */,
 				3811DE5725C9D4D500A708ED /* ProgressBar.swift */,
 				3811DE5525C9D4D500A708ED /* Publisher.swift */,
-				3811DE5925C9D4D500A708ED /* ViewModifiers.swift */,
 				3811DEE325CA063400A708ED /* PropertyWrappers */,
 			);
 			path = Helpers;
@@ -1289,6 +1314,14 @@
 			path = View;
 			sourceTree = "<group>";
 		};
+		64271A287C92581EADCB47FA /* View */ = {
+			isa = PBXGroup;
+			children = (
+				B8C7F882606FF83A21BE00D8 /* PumpSettingsEditorRootView.swift */,
+			);
+			path = View;
+			sourceTree = "<group>";
+		};
 		99C01B871ACAB3F32CE755C7 /* PumpConfig */ = {
 			isa = PBXGroup;
 			children = (
@@ -1313,6 +1346,18 @@
 			path = NightscoutConfig;
 			sourceTree = "<group>";
 		};
+		E493126EA71765130F64CCE5 /* PumpSettingsEditor */ = {
+			isa = PBXGroup;
+			children = (
+				10CAE3534904CDCA0F367017 /* PumpSettingsEditorBuilder.swift */,
+				0274EE6439B1C3ED70730D41 /* PumpSettingsEditorDataFlow.swift */,
+				D97F14812C1AFED3621165A5 /* PumpSettingsEditorProvider.swift */,
+				72778B68C3004F71F6E79BDC /* PumpSettingsEditorViewModel.swift */,
+				64271A287C92581EADCB47FA /* View */,
+			);
+			path = PumpSettingsEditor;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -1733,6 +1778,7 @@
 				388E596C25AD95110019842D /* OpenAPS.swift in Sources */,
 				384E803825C388640086DB71 /* Script.swift in Sources */,
 				3811DE0925C9D32F00A708ED /* BaseViewModel.swift in Sources */,
+				3883583425EEB38000E024B2 /* PumpSettings.swift in Sources */,
 				3811DEB125C9D88300A708ED /* Keychain.swift in Sources */,
 				3811DE7B25C9D6D300A708ED /* LoginProvider.swift in Sources */,
 				383948D625CD4D8900E91849 /* FileStorage.swift in Sources */,
@@ -1794,6 +1840,7 @@
 				3811DE5025C9D4B800A708ED /* AuthotizedRootProvider.swift in Sources */,
 				38A504A425DD9C4000C5B9E8 /* UserDefaultsExtensions.swift in Sources */,
 				38FE826A25CC82DB001FF17A /* NetworkService.swift in Sources */,
+				3883581C25EE79BB00E024B2 /* DecimalTextField.swift in Sources */,
 				3811DE6C25C9D62600A708ED /* OnboardingDataFlow.swift in Sources */,
 				3811DE2425C9D48300A708ED /* MainViewModel.swift in Sources */,
 				3811DE3F25C9D4A100A708ED /* SettingsViewModel.swift in Sources */,
@@ -1822,6 +1869,11 @@
 				53F2382465BF74DB1A967C8B /* PumpConfigProvider.swift in Sources */,
 				5D16287A969E64D18CE40E44 /* PumpConfigViewModel.swift in Sources */,
 				E974172296125A5AE99E634C /* PumpConfigRootView.swift in Sources */,
+				25548F1F0AA8E42FF5F96DBA /* PumpSettingsEditorBuilder.swift in Sources */,
+				448B6FCB252BD4796E2960C0 /* PumpSettingsEditorDataFlow.swift in Sources */,
+				2BE9A6FA20875F6F4F9CD461 /* PumpSettingsEditorProvider.swift in Sources */,
+				6B9625766B697D1C98E455A2 /* PumpSettingsEditorViewModel.swift in Sources */,
+				A0B8EC8CC5CD1DD237D1BCD2 /* PumpSettingsEditorRootView.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

FreeAPS/Sources/Helpers/JSON.swift

@@ -1,28 +1,49 @@
 import Foundation
 
-protocol JSON: Codable {
+@dynamicMemberLookup protocol JSON: Codable {
     var rawJSON: String { get }
     init?(from: String)
 }
 
+private func encoder() -> JSONEncoder {
+    let encoder = JSONEncoder()
+    encoder.outputFormatting = .prettyPrinted
+    encoder.dateEncodingStrategy = .iso8601
+    return encoder
+}
+
+private func decoder() -> JSONDecoder {
+    let decoder = JSONDecoder()
+    decoder.dateDecodingStrategy = .iso8601
+    return decoder
+}
+
 extension JSON {
     var rawJSON: RawJSON {
-        let encoder = JSONEncoder()
-        encoder.outputFormatting = .prettyPrinted
-        encoder.dateEncodingStrategy = .iso8601
-        return String(data: try! encoder.encode(self), encoding: .utf8)!
+        String(data: try! encoder().encode(self), encoding: .utf8)!
     }
 
     init?(from: String) {
-        let decoder = JSONDecoder()
-        decoder.dateDecodingStrategy = .iso8601
         guard let data = from.data(using: .utf8),
-              let object = try? decoder.decode(Self.self, from: data)
+              let object = try? decoder().decode(Self.self, from: data)
         else {
             return nil
         }
         self = object
     }
+
+    var dictionaryRepresentation: [String: Any]? {
+        guard let data = rawJSON.data(using: .utf8),
+              let dict = try? JSONSerialization.jsonObject(with: data, options: []) as? [String: Any]
+        else {
+            return nil
+        }
+        return dict
+    }
+
+    subscript(dynamicMember string: String) -> Any? {
+        dictionaryRepresentation?[string]
+    }
 }
 
 extension String: JSON {
@@ -59,6 +80,13 @@ extension RawJSON {
 extension Array: JSON where Element: JSON {}
 extension Dictionary: JSON where Key: JSON, Value: JSON {}
 
+extension Dictionary where Key == String {
+    var rawJSON: RawJSON? {
+        guard let data = try? JSONSerialization.data(withJSONObject: self, options: .prettyPrinted) else { return nil }
+        return RawJSON(data: data, encoding: .utf8)
+    }
+}
+
 enum JSONCoding {
     static var encoder: JSONEncoder {
         let encoder = JSONEncoder()

FreeAPS/Sources/Models/Autosens.swift

@@ -1,5 +1,5 @@
 import Foundation
 
 struct Autosens: JSON {
-    let ratio: Double
+    let ratio: Decimal
 }

FreeAPS/Sources/Models/PumpSettings.swift

@@ -0,0 +1,15 @@
+import Foundation
+
+struct PumpSettings: JSON {
+    let insulinActionCurve: Decimal
+    let maxBolus: Decimal
+    let maxBasal: Decimal
+}
+
+extension PumpSettings {
+    private enum CodingKeys: String, CodingKey {
+        case insulinActionCurve = "insulin_action_curve"
+        case maxBolus
+        case maxBasal
+    }
+}

FreeAPS/Sources/Modules/PumpSettingsEditor/PumpSettingsEditorBuilder.swift

@@ -0,0 +1,3 @@
+extension PumpSettingsEditor {
+    final class Builder: BaseModuleBuilder<RootView, ViewModel<Provider>, Provider> {}
+}

FreeAPS/Sources/Modules/PumpSettingsEditor/PumpSettingsEditorDataFlow.swift

@@ -0,0 +1,10 @@
+import Combine
+
+enum PumpSettingsEditor {
+    enum Config {}
+}
+
+protocol PumpSettingsEditorProvider: Provider {
+    func settings() -> PumpSettings
+    func save(settings: PumpSettings) -> AnyPublisher<Void, Error>
+}

FreeAPS/Sources/Modules/PumpSettingsEditor/PumpSettingsEditorProvider.swift

@@ -0,0 +1,41 @@
+import Combine
+import LoopKit
+import LoopKitUI
+
+extension PumpSettingsEditor {
+    final class Provider: BaseProvider, PumpSettingsEditorProvider {
+        private let processQueue = DispatchQueue(label: "PumpSettingsEditorProvider.processQueue")
+        @Injected() var deviceManager: DeviceDataManager!
+        @Injected() var storage: FileStorage!
+
+        func settings() -> PumpSettings {
+            (try? storage.retrieve(OpenAPS.Settings.settings, as: PumpSettings.self))
+                ?? PumpSettings(from: OpenAPS.defaults(for: OpenAPS.Settings.settings))
+                ?? PumpSettings(insulinActionCurve: 5, maxBolus: 10, maxBasal: 2)
+        }
+
+        func save(settings: PumpSettings) -> AnyPublisher<Void, Error> {
+            guard let pump = deviceManager?.pumpManager else {
+                try? storage.save(settings, as: OpenAPS.Settings.settings)
+                return Just(()).setFailureType(to: Error.self).eraseToAnyPublisher()
+            }
+            // Don't ask why 🤦‍♂️
+            let sync = DeliveryLimitSettingsTableViewController(style: .grouped)
+            sync.maximumBasalRatePerHour = Double(settings.maxBasal)
+            sync.maximumBolus = Double(settings.maxBolus)
+            return Future { promise in
+                self.processQueue.async {
+                    pump.syncDeliveryLimitSettings(for: sync) { result in
+                        switch result {
+                        case .success:
+                            try? self.storage.save(settings, as: OpenAPS.Settings.settings)
+                            promise(.success(()))
+                        case let .failure(error):
+                            promise(.failure(error))
+                        }
+                    }
+                }
+            }.eraseToAnyPublisher()
+        }
+    }
+}

FreeAPS/Sources/Modules/PumpSettingsEditor/PumpSettingsEditorViewModel.swift

@@ -0,0 +1,33 @@
+import SwiftUI
+
+extension PumpSettingsEditor {
+    class ViewModel<Provider>: BaseViewModel<Provider>, ObservableObject where Provider: PumpSettingsEditorProvider {
+        @Published var maxBasal = 0.0
+        @Published var maxBolus = 0.0
+        @Published var dia = 0.0
+
+        @Published var syncInProgress = false
+
+        override func subscribe() {
+            let settings = provider.settings()
+            maxBasal = Double(settings.maxBasal)
+            maxBolus = Double(settings.maxBolus)
+            dia = Double(settings.insulinActionCurve)
+        }
+
+        func save() {
+            syncInProgress = true
+            let settings = PumpSettings(
+                insulinActionCurve: Decimal(dia),
+                maxBolus: Decimal(maxBolus),
+                maxBasal: Decimal(maxBasal)
+            )
+            provider.save(settings: settings)
+                .receive(on: DispatchQueue.main)
+                .sink { _ in
+                    self.syncInProgress = false
+                } receiveValue: {}
+                .store(in: &lifetime)
+        }
+    }
+}

FreeAPS/Sources/Modules/PumpSettingsEditor/View/PumpSettingsEditorRootView.swift

@@ -0,0 +1,46 @@
+import SwiftUI
+
+extension PumpSettingsEditor {
+    struct RootView: BaseView {
+        @EnvironmentObject var viewModel: ViewModel<Provider>
+
+        private var formatter: NumberFormatter {
+            let formatter = NumberFormatter()
+            formatter.numberStyle = .decimal
+            return formatter
+        }
+
+        var body: some View {
+            Form {
+                Section(header: Text("Delivery limits")) {
+                    HStack {
+                        Text("Max Basal")
+                        DecimalTextField("hours", value: $viewModel.maxBasal, formatter: formatter)
+                    }
+                    HStack {
+                        Text("Max Bolus")
+                        DecimalTextField("U/hour", value: $viewModel.maxBolus, formatter: formatter)
+                    }
+                }
+
+                Section(header: Text("Duration of Insulin Action")) {
+                    HStack {
+                        Text("DIA")
+                        DecimalTextField("hours", value: $viewModel.dia, formatter: formatter)
+                    }
+                }
+
+                Section {
+                    Button { viewModel.save() }
+                    label: {
+                        Text(viewModel.syncInProgress ? "Saving..." : "Save on Pump")
+                    }
+                    .disabled(viewModel.syncInProgress)
+                }
+            }
+            .navigationTitle("Pump Settings")
+            .navigationBarTitleDisplayMode(.automatic)
+            .navigationBarItems(leading: Button("Close", action: viewModel.hideModal))
+        }
+    }
+}

FreeAPS/Sources/Modules/Settings/View/SettingsRootView.swift

@@ -14,6 +14,10 @@ extension Settings {
                     Text("Nightscout").chevronCell().modal(for: .nighscoutConfig, from: self)
                 }
 
+                Section(header: Text("Configuration")) {
+                    Text("Pump settings").chevronCell().modal(for: .pumpSettingsEditor, from: self)
+                }
+
                 Section(header: Text("Config files")) {
                     Group {
                         Text("Preferences").chevronCell()

FreeAPS/Sources/Router/Screen.swift

@@ -11,6 +11,7 @@ enum Screen: Identifiable {
     case configEditor(file: String)
     case nighscoutConfig
     case pumpConfig
+    case pumpSettingsEditor
 
     var id: Int { String(reflecting: self).hashValue }
 }
@@ -36,6 +37,8 @@ extension Screen {
             return NightscoutConfig.Builder(resolver: resolver).buildView()
         case .pumpConfig:
             return PumpConfig.Builder(resolver: resolver).buildView()
+        case .pumpSettingsEditor:
+            return PumpSettingsEditor.Builder(resolver: resolver).buildView()
         }
     }
 

FreeAPS/Sources/Views/DecimalTextField.swift

@@ -0,0 +1,130 @@
+import SwiftUI
+
+struct DecimalTextField: UIViewRepresentable {
+    private var placeholder: String
+    @Binding var value: Double
+    private var formatter: NumberFormatter
+
+    init(
+        _ placeholder: String,
+        value: Binding<Double>,
+        formatter: NumberFormatter
+    ) {
+        self.placeholder = placeholder
+        _value = value
+        self.formatter = formatter
+    }
+
+    func makeUIView(context: Context) -> UITextField {
+        let textfield = UITextField()
+        textfield.keyboardType = .decimalPad
+        textfield.delegate = context.coordinator
+        textfield.placeholder = placeholder
+        textfield.text = formatter.string(for: value) ?? placeholder
+        textfield.textAlignment = .right
+
+        let toolBar = UIToolbar(frame: CGRect(
+            x: 0,
+            y: 0,
+            width: textfield.frame.size.width,
+            height: 44
+        ))
+        let clearButton = UIBarButtonItem(
+            title: "Clear",
+            style: .plain,
+            target: self,
+            action: #selector(textfield.clearButtonTapped(button:))
+        )
+        let doneButton = UIBarButtonItem(
+            title: "Done",
+            style: .done,
+            target: self,
+            action: #selector(textfield.doneButtonTapped(button:))
+        )
+        let space = UIBarButtonItem(
+            barButtonSystemItem: UIBarButtonItem.SystemItem.flexibleSpace,
+            target: nil,
+            action: nil
+        )
+        toolBar.setItems([clearButton, space, doneButton], animated: true)
+        textfield.inputAccessoryView = toolBar
+        return textfield
+    }
+
+    func updateUIView(_: UITextField, context _: Context) {
+        // Do nothing, needed for protocol
+    }
+
+    func makeCoordinator() -> Coordinator {
+        Coordinator(self)
+    }
+
+    class Coordinator: NSObject, UITextFieldDelegate {
+        var parent: DecimalTextField
+
+        init(_ textField: DecimalTextField) {
+            parent = textField
+        }
+
+        func textField(
+            _ textField: UITextField,
+            shouldChangeCharactersIn range: NSRange,
+            replacementString string: String
+        ) -> Bool {
+            // Allow only numbers and decimal characters
+            let isNumber = CharacterSet.decimalDigits.isSuperset(of: CharacterSet(charactersIn: string))
+            let withDecimal = (
+                string == NumberFormatter().decimalSeparator &&
+                    textField.text?.contains(string) == false
+            )
+
+            if isNumber || withDecimal,
+               let currentValue = textField.text as NSString?
+            {
+                // Update Value
+                let proposedValue = currentValue.replacingCharacters(in: range, with: string) as String
+
+                let decimalFormatter = NumberFormatter()
+                decimalFormatter.locale = Locale.current
+                decimalFormatter.numberStyle = .decimal
+
+                // Try currency formatter then Decimal formatrer
+                let number = parent.formatter.number(from: proposedValue) ?? decimalFormatter.number(from: proposedValue) ?? 0.0
+
+                // Set Value
+                let double = number.doubleValue
+                parent.value = double
+            }
+
+            return isNumber || withDecimal
+        }
+
+        func textFieldDidEndEditing(
+            _ textField: UITextField,
+            reason _: UITextField.DidEndEditingReason
+        ) {
+            // Format value with formatter at End Editing
+            textField.text = parent.formatter.string(for: parent.value)
+        }
+    }
+}
+
+// MARK: extension for done button
+
+extension UITextField {
+    @objc func doneButtonTapped(button _: UIBarButtonItem) {
+        resignFirstResponder()
+    }
+
+    @objc func clearButtonTapped(button _: UIBarButtonItem) {
+        text = ""
+    }
+}
+
+// MARK: extension for keyboard to dismiss
+
+extension UIApplication {
+    func endEditing() {
+        sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
+    }
+}