Feature/weight/delete (#87)

* feat: domain

* feat: data

* feat: mockdata

* feat: test

* feat: presentation

Author: donggyushin

dg-muscle-ios/Tests/Weight/DeleteWeightUsecaseTests.swift

@@ -0,0 +1,19 @@
+//
+//  DeleteWeightUsecaseTests.swift
+//  AppTests
+//
+//  Created by Happymoonday on 8/13/24.
+//
+
+import XCTest
+import Domain
+import MockData
+
+final class DeleteWeightUsecaseTests: XCTestCase {
+    func testExample() {
+        let repository = WeightRepositoryMock()
+        let usecase = DeleteWeightUsecase(weightRepository: repository)
+        usecase.implement(weight: WEIGHTS[0])
+        XCTAssertEqual(repository.get().count, WEIGHTS.count - 1)
+    }
+}

dg-muscle-ios/sources/DataLayer/Weight/Repository/WeightRepositoryImpl.swift

@@ -48,6 +48,19 @@ public final class WeightRepositoryImpl: WeightRepository {
         }
     }
 
+    public func delete(weight: Domain.WeightDomain) {
+        Task {
+            let hkWeights = try await fetchWeights()
+            guard let target = hkWeights.first(where: { hkWeight in
+                hkWeight.quantity.doubleValue(for: HKUnit.gramUnit(with: .kilo)) == weight.value &&
+                hkWeight.startDate == weight.date
+            }) else { return }
+            try await healthStore.delete(target)
+            guard let removeIndex = _weights.firstIndex(where: { $0.date == weight.date && $0.value == weight.value }) else { return }
+            _weights.remove(at: removeIndex)
+        }
+    }
+    
     private func requestPermission() async throws {
         return try await withCheckedThrowingContinuation { continuation in
             healthStore.requestAuthorization(toShare: allTypes, read: allTypes) { (success, error) in

dg-muscle-ios/sources/Domain/Weight/Repository/WeightRepository.swift

@@ -13,4 +13,5 @@ public protocol WeightRepository {
 
     func get() -> [WeightDomain]
     func post(weight: WeightDomain)
+    func delete(weight: WeightDomain)
 }

dg-muscle-ios/sources/Domain/Weight/Usecase/DeleteWeightUsecase.swift

@@ -0,0 +1,20 @@
+//
+//  DeleteWeightUsecase.swift
+//  Domain
+//
+//  Created by Happymoonday on 8/13/24.
+//
+
+import Foundation
+
+public final class DeleteWeightUsecase {
+    private let weightRepository: WeightRepository
+    
+    public init(weightRepository: WeightRepository) {
+        self.weightRepository = weightRepository
+    }
+    
+    public func implement(weight: WeightDomain) {
+        weightRepository.delete(weight: weight)
+    }
+}

dg-muscle-ios/sources/MockData/Weight/Repository/WeightRepositoryMock.swift

@@ -24,4 +24,9 @@ public final class WeightRepositoryMock: WeightRepository {
     public func post(weight: Domain.WeightDomain) {
         _weights.append(weight)
     }
+    
+    public func delete(weight: Domain.WeightDomain) {
+        guard let removeIndex = _weights.firstIndex(where: { $0.date == weight.date && $0.value == weight.value }) else { return }
+        _weights.remove(at: removeIndex)
+    }
 }

dg-muscle-ios/sources/Presentation/Weight/Model/WeightPresentation.swift

@@ -20,6 +20,14 @@ struct WeightPresentation: Hashable {
         date = domain.date
         yyyyMMdd = domain.yyyyMMdd
     }
+    
+    var domain: Domain.WeightDomain {
+        .init(
+            value: value,
+            unit: unit.domain,
+            date: date
+        )
+    }
 }
 
 extension WeightPresentation {
@@ -35,5 +43,14 @@ extension WeightPresentation {
                 self = .lbs
             }
         }
+        
+        var domain: Domain.WeightDomain.Unit {
+            switch self {
+            case .kg:
+                return .kg
+            case .lbs:
+                return .lbs
+            }
+        }
     }
 }

dg-muscle-ios/sources/Presentation/Weight/View/WeightListView/WeightListView.swift

@@ -44,7 +44,9 @@ public struct WeightListView: View {
 
                 VStack {
                     ForEach(viewModel.sections, id: \.self) { section in
-                        WeightSectionView(section: section)
+                        WeightSectionView(section: section) { weight in
+                            viewModel.delete(weight: weight)
+                        }
                     }
                 }
             }

dg-muscle-ios/sources/Presentation/Weight/View/WeightListView/WeightListViewModel.swift

@@ -18,16 +18,22 @@ final class WeightListViewModel: ObservableObject {
     let subscribeWeightsUsecase: SubscribeWeightsUsecase
     let groupWeightsByGroupUsecase: GroupWeightsByGroupUsecase
     let filterWeightsOneYearRangeUsecase: FilterWeightsOneYearRangeUsecase
+    let deleteWeightUsecase: DeleteWeightUsecase
 
     init(weightRepository: WeightRepository) {
         getWeightsRangeUsecase = .init()
-        subscribeWeightsUsecase = .init(weightRepository: weightRepository)
         groupWeightsByGroupUsecase = .init()
         filterWeightsOneYearRangeUsecase = .init()
+        deleteWeightUsecase = .init(weightRepository: weightRepository)
+        subscribeWeightsUsecase = .init(weightRepository: weightRepository)
 
         bind()
     }
 
+    func delete(weight: WeightPresentation) {
+        deleteWeightUsecase.implement(weight: weight.domain)
+    }
+    
     private func bind() {
         subscribeWeightsUsecase
             .implement()

dg-muscle-ios/sources/Presentation/Weight/View/WeightSection/WeightSectionView.swift

@@ -12,6 +12,8 @@ import MockData
 struct WeightSectionView: View {
     let section: WeightSection
 
+    let deleteAction: ((WeightPresentation) -> ())?
+    
     var body: some View {
         VStack(alignment: .leading) {
             HStack {
@@ -58,6 +60,11 @@ struct WeightSectionView: View {
                         Divider()
                     }
                 }
+                .contextMenu {
+                    Button("Delete") {
+                        deleteAction?(weight)
+                    }
+                }
             }
         }
     }
@@ -82,6 +89,6 @@ struct WeightSectionView: View {
     let group = usecase.implement(weights: GetWeightsWithoutDuplicatesUsecase().implement(weights: WeightRepositoryMock().get()))
     let section = WeightSection(yyyyMM: "202407", weights: group["202407"]!.map({ .init(domain: $0) }))
 
-    return WeightSectionView(section: section)
+    return WeightSectionView(section: section, deleteAction: nil)
         .preferredColorScheme(.dark)
 }