Improved Grocery List

Nextcloud Cookbook iOS Client/Localizable.xcstrings

@@ -3170,6 +3170,9 @@
     },
     "You're all set for cooking 🍓" : {
 
+    },
+    "Your grocery list is stored locally and therefore not synchronized across different devices!" : {
+
     }
   },
   "version" : "1.0"

Nextcloud Cookbook iOS Client/Views/MainView.swift

@@ -9,17 +9,20 @@ import SwiftUI
 
 struct MainView: View {
     @StateObject var viewModel = MainViewModel()
+    @StateObject var groceryList = GroceryList()
+    
     @State var selectedCategory: Category? = nil
     @State var showLoadingIndicator: Bool = false
     
     enum Tab {
-        case recipes, search, shoppingList, settings
+        case recipes, search, groceryList, settings
     }
     
     var body: some View {
         TabView {
             RecipeTabView(selectedCategory: $selectedCategory, showLoadingIndicator: $showLoadingIndicator)
                 .environmentObject(viewModel)
+                .environmentObject(groceryList)
                 .tabItem {
                     Label("Recipes", systemImage: "book.closed.fill")
                 }
@@ -27,16 +30,18 @@ struct MainView: View {
             
             SearchTabView()
                 .environmentObject(viewModel)
+                .environmentObject(groceryList)
                 .tabItem {
                     Label("Search", systemImage: "magnifyingglass")
                 }
                 .tag(Tab.search)
             
             GroceryListTabView()
+                .environmentObject(groceryList)
                 .tabItem {
                     Label("Grocery List", systemImage: "storefront")
                 }
-                .tag(Tab.shoppingList)
+                .tag(Tab.groceryList)
             
             SettingsView()
                 .environmentObject(viewModel)
@@ -62,7 +67,7 @@ struct MainView: View {
                 }
             }
             showLoadingIndicator = false
-            await GroceryList.shared.load()
+            await groceryList.load()
         }
     }
 }

Nextcloud Cookbook iOS Client/Views/RecipeDetailView.swift

@@ -352,7 +352,9 @@ fileprivate struct MoreInformationSection: View {
 
 
 fileprivate struct RecipeIngredientSection: View {
+    @EnvironmentObject var groceryList: GroceryList
     @State var recipeDetail: RecipeDetail
+    
     var body: some View {
         VStack(alignment: .leading) {
             HStack {
@@ -365,14 +367,16 @@ fileprivate struct RecipeIngredientSection: View {
                 }
                 Spacer()
                 Button {
-                    GroceryList.shared.addItems(recipeDetail.recipeIngredient)
+                    groceryList.addItems(recipeDetail.recipeIngredient, toRecipe: recipeDetail.id, recipeName: recipeDetail.name)
                 } label: {
                     Image(systemName: "storefront")
                 }
             }
             
             ForEach(recipeDetail.recipeIngredient, id: \.self) { ingredient in
-                IngredientListItem(ingredient: ingredient)
+                IngredientListItem(ingredient: ingredient) {
+                    groceryList.addItem(ingredient, toRecipe: recipeDetail.id, recipeName: recipeDetail.name)
+                }
                 .padding(4)
                 
             }
@@ -397,19 +401,15 @@ fileprivate struct RecipeToolSection: View {
 
 
 fileprivate struct IngredientListItem: View {
+    @EnvironmentObject var groceryList: GroceryList
     @State var ingredient: String
+    let addToGroceryListAction: () -> Void
     @State var isSelected: Bool = false
     @State private var dragOffset: CGFloat = 0
     let maxDragDistance = 30.0
     
     var body: some View {
         HStack(alignment: .top) {
-            if dragOffset > 0 {
-                Image(systemName: "storefront")
-                    .padding(2)
-                    .background(Color.green)
-                    .opacity((dragOffset - 10)/(maxDragDistance-10))
-            }
             if isSelected {
                 Image(systemName: "checkmark.circle")
             } else {
@@ -432,11 +432,11 @@ fileprivate struct IngredientListItem: View {
                 .onChanged { gesture in
                     // Update drag offset as the user drags
                     let dragAmount = gesture.translation.width
-                    self.dragOffset = min(dragAmount, maxDragDistance + pow(dragAmount - maxDragDistance, 0.7))
+                    self.dragOffset = max(0, min(dragAmount, maxDragDistance + pow(dragAmount - maxDragDistance, 0.7)))
                 }
                 .onEnded { gesture in
                     if gesture.translation.width > maxDragDistance * 0.8 { // Swipe right threshold
-                        GroceryList.shared.addItem(ingredient)
+                        addToGroceryListAction()
                     }
                     // Animate back to original position
                     withAnimation {
@@ -444,6 +444,17 @@ fileprivate struct IngredientListItem: View {
                     }
                 }
         )
+        .background {
+            if dragOffset > 0 {
+                HStack {
+                    Image(systemName: "storefront")
+                        .foregroundStyle(Color.green)
+                        .opacity((dragOffset - 10)/(maxDragDistance-10))
+                        
+                    Spacer()
+                }
+            }
+        }
     }
 }
 

Nextcloud Cookbook iOS Client/Views/Tabs/GroceryListTabView.swift

@@ -10,21 +10,66 @@ import SwiftUI
 
 
 struct GroceryListTabView: View {
+    @EnvironmentObject var groceryList: GroceryList
+
     var body: some View {
         NavigationStack {
-            if GroceryList.shared.listItems.isEmpty {
+            if groceryList.groceryDict.isEmpty {
-                List {
+                EmptyGroceryListView()
-                    Text("You're all set for cooking 🍓")
-                        .font(.title2)
-                        .foregroundStyle(.secondary)
-                    Text("Add groceries to this list by either using the button next to an ingredient list in a recipe, or by swiping right on individual ingredients of a recipe.")
-                        
-                        .foregroundStyle(.secondary)
-                }
-                .padding()
-                .navigationTitle("Grocery List")
             } else {
-                List(GroceryList.shared.listItems) { item in
+                List {
+                    ForEach(groceryList.groceryDict.keys.sorted(), id: \.self) { key in
+                        Section {
+                            ForEach(groceryList.groceryDict[key]!.items) { item in
+                                GroceryListItemView(item: item, toggleAction: {
+                                    groceryList.toggleItemChecked(item)
+                                    groceryList.objectWillChange.send()
+                                }, deleteAction: {
+                                    groceryList.deleteItem(item.name, fromRecipe: key)
+                                    withAnimation {
+                                        groceryList.objectWillChange.send()
+                                    }
+                                })
+                            }
+                        } header: {
+                            HStack {
+                                Text(groceryList.groceryDict[key]!.name)
+                                    .foregroundStyle(Color.nextcloudBlue)
+                                Spacer()
+                                Button {
+                                    groceryList.deleteGroceryRecipe(key)
+                                } label: {
+                                    Image(systemName: "trash")
+                                        .foregroundStyle(Color.nextcloudBlue)
+                                }
+                            }
+                        }
+                    }
+                }
+                
+                .listStyle(.plain)
+                .navigationTitle("Grocery List")
+                .toolbar {
+                    Button {
+                        groceryList.deleteAll()
+                    } label: {
+                        Text("Delete")
+                            .foregroundStyle(Color.nextcloudBlue)
+                    }
+                }
+            }
+        }
+    }
+}
+
+
+
+fileprivate struct GroceryListItemView: View {
+    let item: GroceryRecipeItem
+    let toggleAction: () -> Void
+    let deleteAction: () -> Void
+
+    var body: some View {
         HStack(alignment: .top) {
             if item.isChecked {
                 Image(systemName: "checkmark.circle")
@@ -36,32 +81,56 @@ struct GroceryListTabView: View {
                 .multilineTextAlignment(.leading)
                 .lineLimit(5)
         }
+        .padding(5)
         .foregroundStyle(item.isChecked ? Color.secondary : Color.primary)
-                    .onTapGesture {
+        .onTapGesture(perform: toggleAction)
-                        item.isChecked.toggle()
-                    }
         .animation(.easeInOut, value: item.isChecked)
         .swipeActions(edge: .trailing, allowsFullSwipe: true) {
-                        Button {
+            Button(action: deleteAction) {
-                            GroceryList.shared.removeItem(item.name)
-                        } label: {
                 Label("Delete", systemImage: "trash")
             }
             .tint(.red)
         }
     }
-                .padding()
-                .navigationTitle("Grocery List")
-            }
-            
-        }
-    }
 }
 
 
 
-class GroceryListItem: ObservableObject, Identifiable, Codable {
+fileprivate struct EmptyGroceryListView: View {
-    var name: String
+    var body: some View {
+        List {
+            Text("You're all set for cooking 🍓")
+                .font(.headline)
+            Text("Add groceries to this list by either using the button next to an ingredient list in a recipe, or by swiping right on individual ingredients of a recipe.")
+                .foregroundStyle(.secondary)
+            Text("Your grocery list is stored locally and therefore not synchronized across different devices!")
+                .foregroundStyle(.secondary)
+        }
+        .navigationTitle("Grocery List")
+    }
+}
+
+
+
+class GroceryRecipe: Identifiable, Codable {
+    let name: String
+    var items: [GroceryRecipeItem]
+    
+    init(name: String, items: [GroceryRecipeItem]) {
+        self.name = name
+        self.items = items
+    }
+    
+    init(name: String, item: GroceryRecipeItem) {
+        self.name = name
+        self.items = [item]
+    }
+}
+
+
+
+class GroceryRecipeItem: Identifiable, Codable {
+    let name: String
     var isChecked: Bool
     
     init(_ name: String, isChecked: Bool = false) {
@@ -73,46 +142,80 @@ class GroceryListItem: ObservableObject, Identifiable, Codable {
 
 
 class GroceryList: ObservableObject {
-    static let shared: GroceryList = GroceryList()
-    
     let dataStore: DataStore = DataStore()
-    @Published var listItems: [GroceryListItem] = []
+    @Published var groceryDict: [String: GroceryRecipe] = [:]
+    @Published var sortBySimilarity: Bool = false
     
     
-    func addItem(_ name: String) {
+    func addItem(_ itemName: String, toRecipe recipeId: String, recipeName: String? = nil, saveGroceryDict: Bool = true) {
-        listItems.append(GroceryListItem(name))
+        print("Adding item of recipe \(String(describing: recipeName))")
-        save()
+        DispatchQueue.main.async {
+            if self.groceryDict[recipeId] != nil {
+                self.groceryDict[recipeId]?.items.append(GroceryRecipeItem(itemName))
+            } else {
+                let newRecipe = GroceryRecipe(name: recipeName ?? "-", items: [GroceryRecipeItem(itemName)])
+                self.groceryDict[recipeId] = newRecipe
+            }
+            if saveGroceryDict {
+                self.save()
+                self.objectWillChange.send()
+            }
+        }
     }
     
-    func addItems(_ items: [String]) {
+    func addItems(_ items: [String], toRecipe recipeId: String, recipeName: String? = nil) {
         for item in items {
-            addItem(item)
+            addItem(item, toRecipe: recipeId, recipeName: recipeName, saveGroceryDict: false)
+        }
+        save()
+        objectWillChange.send()
+    }
+    
+    func deleteItem(_ itemName: String, fromRecipe recipeId: String) {
+        print("Deleting item \(itemName)")
+        guard let recipe = groceryDict[recipeId] else { return }
+        guard let itemIndex = groceryDict[recipeId]?.items.firstIndex(where: { $0.name == itemName }) else { return }
+        groceryDict[recipeId]?.items.remove(at: itemIndex)
+        if groceryDict[recipeId]!.items.isEmpty {
+            groceryDict.removeValue(forKey: recipeId)
         }
         save()
     }
     
-    func removeItem(_ name: String) {
+    func deleteGroceryRecipe(_ recipeId: String) {
-        guard let ix = listItems.firstIndex(where: { item in
+        print("Deleting grocery recipe with id \(recipeId)")
-            item.name == name
+        groceryDict.removeValue(forKey: recipeId)
-        }) else { return }
+        save()
-        listItems.remove(at: ix)
+    }
+    
+    func deleteAll() {
+        print("Deleting all grocery items")
+        groceryDict = [:]
+        save()
+    }
+    
+    func toggleItemChecked(_ groceryItem: GroceryRecipeItem) {
+        print("Item checked: \(groceryItem.name)")
+        groceryItem.isChecked.toggle()
         save()
     }
     
     func save() {
         Task {
-            await dataStore.save(data: listItems, toPath: "grocery_list.data")
+            await dataStore.save(data: groceryDict, toPath: "grocery_list.data")
         }
     }
     
     func load() async {
         do {
-            guard let listItems: [GroceryListItem] = try await dataStore.load(
+            guard let groceryDict: [String: GroceryRecipe] = try await dataStore.load(
                 fromPath: "grocery_list.data"
             ) else { return }
-            self.listItems = listItems
+            self.groceryDict = groceryDict
         } catch {
             print("Unable to load grocery list")
         }
     }
 }
+
+