feat: add api call

SearchEmptyState/ContentView.swift

@@ -8,42 +8,72 @@
 import SwiftUI
 
 struct ContentView: View {
-    @State private var wizards = ["Alvo Dumbledore", "Harry Potter", "Hermione Granger", "Severus Snape", "Minerva McGonagall"]
+    @State private var wizards: [String] = []
     @State private var searchTerm = ""
-
+    private var staticWizards = ["Alvo Dumbledore", "Harry Potter", "Hermione Granger", "Severus Snape", "Minerva McGonagall"]
     var filteredWizards: [String] {
         guard !searchTerm.isEmpty else {return wizards}
-
         return wizards.filter { $0.localizedCaseInsensitiveContains(searchTerm) }
     }
 
-
     var body: some View {
         NavigationStack {
             VStack {
-                List(filteredWizards, id: \.self) {
-                    wizard in Text(wizard)
-                }
-                .searchable(text: $searchTerm, prompt: "Search a Wizard")
-                .overlay {
-                    if filteredWizards.isEmpty {
-                        ContentUnavailableView(label: {
-                            VStack {
-                                Image("wand").resizable().frame(width: 120, height: 120).padding(.bottom, -20)
-                                Text("No Wizards").bold()
+                if !wizards.isEmpty {
+                    List(filteredWizards, id: \.self) {
+                        wizard in Text(wizard)
+                    }
+                    .searchable(text: $searchTerm, prompt: "Search a Wizard")
+                    .overlay {
+                        if filteredWizards.isEmpty {
+                            ContentUnavailableView(label: {
+                                VStack {
+                                    Image("wand").resizable().frame(width: 120, height: 120).padding(.bottom, -20)
+                                    Text("No Wizards").bold()
+                                }
+                            }, description: {
+                                Text("No wizards were found with the name \(searchTerm). Perhaps you're looking for a muggle?").accessibilityIdentifier("ResultError")
                             }
-                        }, description: {
-                            Text("No wizards was found with: \(searchTerm), maybe you're looking for a muggle?").accessibilityIdentifier("ResultError")
+                            )
                         }
-                        )
                     }
+                } else {
+                    Text("loading...")
                 }
             }
             .navigationTitle("Hogwarts Wizards")
+        }.task {
+            do {
+                wizards = try await fetchWizards()
+            } catch {
+                wizards = staticWizards
+            }
         }
     }
+
+    struct Wizards: Codable {
+        let name: String
+        let hogwartsStudent: Bool
+        let hogwartsStaff: Bool
+    }
+
+    func fetchWizards() async throws -> [String] {
+        let url = URL(string: "https://hp-api.onrender.com/api/characters")!
+        let (data, _) = try await URLSession.shared.data(from: url)
+        do {
+            let decoder = JSONDecoder()
+            decoder.keyDecodingStrategy = .convertFromSnakeCase
+            let result = try decoder.decode([Wizards].self, from: data)
+            return result.filter { $0.hogwartsStaff || $0.hogwartsStudent } .map { $0.name }
+        } catch {
+            throw error
+        }
+    }
+
 }
 
+
 #Preview {
     ContentView()
 }
+

SearchEmptyStateUITests/SearchEmptyStateUITestsSearchTests.swift

@@ -19,7 +19,7 @@ final class SearchEmptyStateUITestsSearchTests: XCTestCase {
 
     func testErrorMessage() throws {
         let searchTerm = "Petunia Dursley"
-        let expectedResultErrorMessage = "No wizards was found with: \(searchTerm), maybe you're looking for a muggle?"
+        let expectedResultErrorMessage = "No wizards were found with the name \(searchTerm). Perhaps you're looking for a muggle?"
         let search = app.searchFields["Search a Wizard"]
 
         search.tap()