feat: emptyclasroom error

VITTY/.gitignore

@@ -0,0 +1,2 @@
+# Google Services configuration file
+GoogleService-Info.plist

VITTY/VITTY.xcodeproj/project.pbxproj

@@ -28,6 +28,7 @@
 		4B183EEA2D7C793800C9D801 /* RemindersData.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4B183EE92D7C791400C9D801 /* RemindersData.swift */; };
 		4B183EEC2D7CB15800C9D801 /* CourseRefs.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4B183EEB2D7CB11500C9D801 /* CourseRefs.swift */; };
 		4B1BDBCC2E1396B1008C2DE9 /* ToolTip.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4B1BDBCB2E1396A9008C2DE9 /* ToolTip.swift */; };
+		4B2D1F0F2E26060C002AFD25 /* GoogleService-Info.plist in Resources */ = {isa = PBXBuildFile; fileRef = 4B2D1F0E2E26060C002AFD25 /* GoogleService-Info.plist */; };
 		4B2D648F2E20BA6300412CB7 /* NetworkMonitor.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4B2D648E2E20BA5A00412CB7 /* NetworkMonitor.swift */; };
 		4B2D64902E20BA6300412CB7 /* NetworkMonitor.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4B2D648E2E20BA5A00412CB7 /* NetworkMonitor.swift */; };
 		4B2D64922E20C1AC00412CB7 /* GoogleService-Info.plist in Resources */ = {isa = PBXBuildFile; fileRef = 4B2D64912E20C1AC00412CB7 /* GoogleService-Info.plist */; };
@@ -192,6 +193,7 @@
 		4B183EE92D7C791400C9D801 /* RemindersData.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RemindersData.swift; sourceTree = "<group>"; };
 		4B183EEB2D7CB11500C9D801 /* CourseRefs.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CourseRefs.swift; sourceTree = "<group>"; };
 		4B1BDBCB2E1396A9008C2DE9 /* ToolTip.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ToolTip.swift; sourceTree = "<group>"; };
+		4B2D1F0E2E26060C002AFD25 /* GoogleService-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "GoogleService-Info.plist"; sourceTree = "<group>"; };
 		4B2D648E2E20BA5A00412CB7 /* NetworkMonitor.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NetworkMonitor.swift; sourceTree = "<group>"; };
 		4B2D64912E20C1AC00412CB7 /* GoogleService-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "GoogleService-Info.plist"; sourceTree = "<group>"; };
 		4B2DD6942E0A702D00BC3B67 /* CircleRequests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CircleRequests.swift; sourceTree = "<group>"; };
@@ -406,6 +408,7 @@
 				4BC853C52DF6F71B0092B2E2 /* VittyWidgetExtension.entitlements */,
 				4B2D64912E20C1AC00412CB7 /* GoogleService-Info.plist */,
 				52EE849D2CB9CD1F00CD864C /* GoogleService-Info.plist */,
+				4B2D1F0E2E26060C002AFD25 /* GoogleService-Info.plist */,
 				5251A7FF2B46E3C000D44CFE /* .swift-format */,
 				314A408E27383BEC0058082F /* VITTYApp.swift */,
 				314A409027383BEC0058082F /* ContentView.swift */,
@@ -1097,6 +1100,7 @@
 				31128CFE2772F57E0084C9EA /* Poppins-MediumItalic.ttf in Resources */,
 				31128CFD2772F57E0084C9EA /* Poppins-SemiBold.ttf in Resources */,
 				31128CF92772F57E0084C9EA /* Poppins-Medium.ttf in Resources */,
+				4B2D1F0F2E26060C002AFD25 /* GoogleService-Info.plist in Resources */,
 				31128CFA2772F57E0084C9EA /* Poppins-SemiBoldItalic.ttf in Resources */,
 				31128CFC2772F57E0084C9EA /* Poppins-Regular.ttf in Resources */,
 				52EE849E2CB9CD1F00CD864C /* GoogleService-Info.plist in Resources */,

VITTY/VITTY/EmptyClassroom/View/EmptyClass.swift

@@ -1,3 +1,10 @@
+//
+//  EmptyClassAPIService.swift
+//  VITTY
+//
+//  Created by Rujin Devkota on 2/27/25.
+//
+
 import SwiftUI
 
 struct EmptyClassRoom: View {
@@ -88,83 +95,172 @@ struct EmptyClassRoom: View {
     private var contentView: some View {
         Group {
             if viewModel.isLoading {
-                VStack(spacing: 16) {
-                    ProgressView()
-                        .scaleEffect(1.2)
-                        .tint(.white)
-                    Text("Loading classrooms...")
-                        .foregroundColor(.white.opacity(0.8))
-                        .font(.subheadline)
-                }
-                .frame(maxWidth: .infinity, maxHeight: .infinity)
-                .padding()
+                loadingView
+            } else if viewModel.isGenerating {
+                generatingView
             } else if let errorMessage = viewModel.errorMessage {
-                VStack(spacing: 16) {
-                    Image(systemName: "exclamationmark.triangle")
-                        .font(.system(size: 40))
-                        .foregroundColor(.red.opacity(0.8))
-                    Text("Error")
-                        .font(.headline)
-                        .foregroundColor(.white)
-                    Text(errorMessage)
-                        .foregroundColor(.red.opacity(0.8))
-                        .multilineTextAlignment(.center)
-                        .font(.subheadline)
-                    Button("Retry") {
-                        Task {
-                            await viewModel.fetchEmptyClassrooms(slot: selectedSlot, authToken: authViewModel.loggedInBackendUser?.token ?? "")
-                        }
-                    }
+                errorView(errorMessage)
+            } else if viewModel.emptyClassrooms.isEmpty {
+                emptyStateView
+            } else if filteredClassrooms.isEmpty && !searchText.isEmpty {
+                noResultsView
+            } else {
+                classroomsGrid
+            }
+        }
+    }
+
+    private var loadingView: some View {
+        VStack(spacing: 16) {
+            ProgressView()
+                .scaleEffect(1.2)
+                .tint(.white)
+            Text("Loading classrooms...")
+                .foregroundColor(.white.opacity(0.8))
+                .font(.subheadline)
+        }
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
+        .padding()
+    }
+
+    private var generatingView: some View {
+        VStack(spacing: 24) {
+            // Animated hourglass icon
+            Image(systemName: "hourglass")
+                .font(.system(size: 50))
+                .foregroundColor(.blue.opacity(0.7))
+                .rotationEffect(.degrees(viewModel.isGenerating ? 180 : 0))
+                .animation(.easeInOut(duration: 1.5).repeatForever(autoreverses: true), value: viewModel.isGenerating)
+
+            VStack(spacing: 16) {
+                Text("Preparing Your Data")
+                    .font(.title2)
+                    .fontWeight(.semibold)
                     .foregroundColor(.white)
+
+                Text("Our system is currently generating the latest classroom information for slot \(selectedSlot).")
+                    .foregroundColor(.white.opacity(0.8))
+                    .multilineTextAlignment(.center)
+                    .font(.body)
                     .padding(.horizontal, 20)
-                    .padding(.vertical, 8)
-                    .background(Color.blue.opacity(0.7))
-                    .cornerRadius(8)
-                }
-                .frame(maxWidth: .infinity, maxHeight: .infinity)
-                .padding()
-            } else if viewModel.emptyClassrooms.isEmpty {
-                VStack(spacing: 16) {
-                    Image(systemName: "building.2")
-                        .font(.system(size: 40))
+
+                VStack(spacing: 8) {
+                    Text("This process may take a few moments")
+                        .foregroundColor(.blue.opacity(0.8))
+                        .font(.subheadline)
+
+                    Text("Please try reloading in a moment")
                         .foregroundColor(.white.opacity(0.6))
-                    Text("No Classrooms Available")
-                        .font(.headline)
-                        .foregroundColor(.white)
-                    Text("There are no empty classrooms for slot \(selectedSlot) at this time.")
-                        .foregroundColor(.white.opacity(0.8))
-                        .multilineTextAlignment(.center)
+                        .font(.caption)
+                }
+                .padding(.top, 8)
+            }
+
+            Button(action: {
+                viewModel.reload(slot: selectedSlot, authToken: authViewModel.loggedInBackendUser?.token ?? "")
+            }) {
+                HStack(spacing: 8) {
+                    Image(systemName: "arrow.clockwise")
+                        .font(.system(size: 14, weight: .medium))
+                    Text("Reload")
                         .font(.subheadline)
+                        .fontWeight(.medium)
                 }
-                .frame(maxWidth: .infinity, maxHeight: .infinity)
-                .padding()
-            } else if filteredClassrooms.isEmpty && !searchText.isEmpty {
-                VStack(spacing: 16) {
-                    Image(systemName: "magnifyingglass")
-                        .font(.system(size: 40))
-                        .foregroundColor(.white.opacity(0.6))
-                    Text("No Results Found")
-                        .font(.headline)
-                        .foregroundColor(.white)
-                    Text("No classrooms match '\(searchText)'")
-                        .foregroundColor(.white.opacity(0.8))
-                        .multilineTextAlignment(.center)
+                .foregroundColor(.white)
+                .padding(.horizontal, 24)
+                .padding(.vertical, 12)
+                .background(
+                    RoundedRectangle(cornerRadius: 10)
+                        .fill(Color.blue.opacity(0.7))
+                        .shadow(color: .black.opacity(0.2), radius: 4, x: 0, y: 2)
+                )
+            }
+            .padding(.top, 8)
+        }
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
+        .padding()
+    }
+
+    private func errorView(_ errorMessage: String) -> some View {
+        VStack(spacing: 16) {
+            Image(systemName: "exclamationmark.triangle")
+                .font(.system(size: 40))
+                .foregroundColor(.orange.opacity(0.8))
+
+            Text("Oops!")
+                .font(.headline)
+                .foregroundColor(.white)
+
+            Text(errorMessage)
+                .foregroundColor(.white.opacity(0.8))
+                .multilineTextAlignment(.center)
+                .font(.subheadline)
+                .padding(.horizontal)
+
+            Button(action: {
+                viewModel.reload(slot: selectedSlot, authToken: authViewModel.loggedInBackendUser?.token ?? "")
+            }) {
+                HStack(spacing: 8) {
+                    Image(systemName: "arrow.clockwise")
+                        .font(.system(size: 14, weight: .medium))
+                    Text("Reload")
                         .font(.subheadline)
-                    Button("Clear Search") {
-                        searchText = ""
-                    }
-                    .foregroundColor(.white)
-                    .padding(.horizontal, 20)
-                    .padding(.vertical, 8)
-                    .background(Color.blue.opacity(0.7))
-                    .cornerRadius(8)
+                        .fontWeight(.medium)
                 }
-                .frame(maxWidth: .infinity, maxHeight: .infinity)
-                .padding()
-            } else {
-                classroomsGrid
+                .foregroundColor(.white)
+                .padding(.horizontal, 24)
+                .padding(.vertical, 12)
+                .background(
+                    RoundedRectangle(cornerRadius: 10)
+                        .fill(Color.orange.opacity(0.7))
+                        .shadow(color: .black.opacity(0.2), radius: 4, x: 0, y: 2)
+                )
+            }
+        }
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
+        .padding()
+    }
+
+    private var emptyStateView: some View {
+        VStack(spacing: 16) {
+            Image(systemName: "building.2")
+                .font(.system(size: 40))
+                .foregroundColor(.white.opacity(0.6))
+            Text("No Classrooms Available")
+                .font(.headline)
+                .foregroundColor(.white)
+            Text("There are no empty classrooms for slot \(selectedSlot) at this time.")
+                .foregroundColor(.white.opacity(0.8))
+                .multilineTextAlignment(.center)
+                .font(.subheadline)
+        }
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
+        .padding()
+    }
+
+    private var noResultsView: some View {
+        VStack(spacing: 16) {
+            Image(systemName: "magnifyingglass")
+                .font(.system(size: 40))
+                .foregroundColor(.white.opacity(0.6))
+            Text("No Results Found")
+                .font(.headline)
+                .foregroundColor(.white)
+            Text("No classrooms match '\(searchText)'")
+                .foregroundColor(.white.opacity(0.8))
+                .multilineTextAlignment(.center)
+                .font(.subheadline)
+            Button("Clear Search") {
+                searchText = ""
             }
+            .foregroundColor(.white)
+            .padding(.horizontal, 20)
+            .padding(.vertical, 8)
+            .background(Color.blue.opacity(0.7))
+            .cornerRadius(8)
         }
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
+        .padding()
     }
 
     private var classroomsGrid: some View {

VITTY/VITTY/EmptyClassroom/ViewModel/EmptyClassRoomViewModel.swift

@@ -12,23 +12,52 @@ class EmptyClassroomViewModel: ObservableObject {
     @Published var emptyClassrooms: [String] = []
     @Published var isLoading: Bool = false
     @Published var errorMessage: String?
+    @Published var isGenerating: Bool = false
     private var currentSlot: String = "A1"
 
     func fetchEmptyClassrooms(slot: String, authToken: String) async {
         guard !slot.isEmpty else { return }
 
         isLoading = true
         errorMessage = nil
+        isGenerating = false
         currentSlot = slot
 
         do {
             let classrooms = try await EmptyClassRoomAPIService.shared.getEmptyClassrooms(slot: slot, authToken: authToken)
             emptyClassrooms = classrooms
+            isGenerating = false
         } catch {
-            errorMessage = "Failed to load empty classrooms: \(error.localizedDescription)"
+            handleError(error)
         }
 
         isLoading = false
     }
+
+    private func handleError(_ error: Error) {
+        let errorDescription = error.localizedDescription.lowercased()
+
+        // Check if this is a server error (likely generation in progress)
+        if let nsError = error as NSError?,
+           nsError.code >= 500 ||
+           errorDescription.contains("contact vitty support") ||
+           errorDescription.contains("failed to parse error response") ||
+           errorDescription.contains("generating") ||
+           errorDescription.contains("server error") {
+
+            // Show generation state instead of error
+            isGenerating = true
+            errorMessage = nil
+        } else {
+            // Only show actual errors for client-side issues
+            isGenerating = false
+            errorMessage = "Failed to load empty classrooms: \(error.localizedDescription)"
+        }
+    }
+
+    func reload(slot: String, authToken: String) {
+        Task {
+            await fetchEmptyClassrooms(slot: slot, authToken: authToken)
+        }
+    }
 }
-