From f34631525b0f7fd986bca2e2ad101ca94bb7bd19 Mon Sep 17 00:00:00 2001
From: Satindar Dhillon <satindar@gmail.com>
Date: Tue, 5 Apr 2022 11:49:45 -0700
Subject: [PATCH] create apply labels modal

---
 .../Sources/App/Views/ApplyLabelsView.swift   | 70 +++++++++++++++++++
 .../App/Views/Home/HomeFeedViewIOS.swift      |  2 +-
 .../App/Views/Profile/LabelsView.swift        |  1 +
 3 files changed, 72 insertions(+), 1 deletion(-)
 create mode 100644 apple/OmnivoreKit/Sources/App/Views/ApplyLabelsView.swift

diff --git a/apple/OmnivoreKit/Sources/App/Views/ApplyLabelsView.swift b/apple/OmnivoreKit/Sources/App/Views/ApplyLabelsView.swift
new file mode 100644
index 000000000..a24826f8f
--- /dev/null
+++ b/apple/OmnivoreKit/Sources/App/Views/ApplyLabelsView.swift
@@ -0,0 +1,70 @@
+import Combine
+import Models
+import Services
+import SwiftUI
+
+final class ApplyLabelsViewModel: ObservableObject {
+  private var hasLoadedInitialLabels = false
+  @Published var isLoading = true
+  @Published var selectedLabels = Set<FeedItemLabel>()
+  @Published var labels = [FeedItemLabel]()
+
+  var subscriptions = Set<AnyCancellable>()
+
+  func load(item: FeedItem, dataService: DataService) {
+    guard !hasLoadedInitialLabels else { return }
+
+    dataService.labelsPublisher().sink(
+      receiveCompletion: { _ in },
+      receiveValue: { [weak self] result in
+        self?.isLoading = false
+        self?.labels = result
+        self?.hasLoadedInitialLabels = true
+        self?.selectedLabels = Set(item.labels)
+      }
+    )
+    .store(in: &subscriptions)
+  }
+}
+
+struct ApplyLabelsView: View {
+  let item: FeedItem
+  @EnvironmentObject var dataService: DataService
+  @Environment(\.presentationMode) private var presentationMode
+  @StateObject var viewModel = ApplyLabelsViewModel()
+
+  var body: some View {
+    NavigationView {
+      if viewModel.isLoading {
+        EmptyView()
+      } else {
+        List(viewModel.labels, id: \.self, selection: $viewModel.selectedLabels) { label in
+          Text(label.name)
+        }
+        .environment(\.editMode, .constant(EditMode.active))
+        .navigationTitle("Apply Labels")
+        .navigationBarTitleDisplayMode(.inline)
+        .toolbar {
+          ToolbarItem(placement: .navigationBarLeading) {
+            Button(
+              action: { presentationMode.wrappedValue.dismiss() },
+              label: { Text("Cancel") }
+            )
+          }
+          ToolbarItem(placement: .navigationBarTrailing) {
+            Button(
+              action: {
+                print("saving")
+                presentationMode.wrappedValue.dismiss()
+              },
+              label: { Text("Save") }
+            )
+          }
+        }
+      }
+    }
+    .onAppear {
+      viewModel.load(item: item, dataService: dataService)
+    }
+  }
+}
diff --git a/apple/OmnivoreKit/Sources/App/Views/Home/HomeFeedViewIOS.swift b/apple/OmnivoreKit/Sources/App/Views/Home/HomeFeedViewIOS.swift
index c621e4f12..1f908cbe6 100644
--- a/apple/OmnivoreKit/Sources/App/Views/Home/HomeFeedViewIOS.swift
+++ b/apple/OmnivoreKit/Sources/App/Views/Home/HomeFeedViewIOS.swift
@@ -168,7 +168,7 @@ import Views
           }
         }
         .sheet(item: $viewModel.itemUnderLabelEdit, onDismiss: { print("edit label modal dismissed") }) { item in
-          Text("editing item with id: \(item.id)")
+          ApplyLabelsView(item: item)
         }
       }
     }
diff --git a/apple/OmnivoreKit/Sources/App/Views/Profile/LabelsView.swift b/apple/OmnivoreKit/Sources/App/Views/Profile/LabelsView.swift
index b2f95acda..9853cb993 100644
--- a/apple/OmnivoreKit/Sources/App/Views/Profile/LabelsView.swift
+++ b/apple/OmnivoreKit/Sources/App/Views/Profile/LabelsView.swift
@@ -13,6 +13,7 @@ final class LabelsViewModel: ObservableObject {
   var subscriptions = Set<AnyCancellable>()
 
   func loadLabels(dataService: DataService) {
+    guard !hasLoadedInitialLabels else { return }
     isLoading = true
 
     dataService.labelsPublisher().sink(