firebase-ios-sdk/FirebaseVertexAI/Sample/ChatSample/Views/ErrorView.swift

// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import FirebaseVertexAI
import SwiftUI

struct ErrorView: View {
  var error: Error
  @State private var isDetailsSheetPresented = false
  var body: some View {
    HStack {
      Text("An error occurred.")
      Button(action: { isDetailsSheetPresented.toggle() }) {
        Image(systemName: "info.circle")
      }
    }
    .frame(maxWidth: .infinity, alignment: .center)
    .listRowSeparator(.hidden)
    .sheet(isPresented: $isDetailsSheetPresented) {
      ErrorDetailsView(error: error)
    }
  }
}

#Preview {
  NavigationView {
    let errorPromptBlocked = GenerateContentError.promptBlocked(
      response: GenerateContentResponse(
        candidates: [
          Candidate(
            content: ModelContent(role: "model", parts: [
              """
                A _hypothetical_ model response.
                Cillum ex aliqua amet aliquip labore amet eiusmod consectetur reprehenderit sit commodo.
              """,
            ]),
            safetyRatings: [
              SafetyRating(
                category: .dangerousContent,
                probability: .high,
                probabilityScore: 0.8,
                severity: .medium,
                severityScore: 0.9,
                blocked: true
              ),
              SafetyRating(
                category: .harassment,
                probability: .low,
                probabilityScore: 0.5,
                severity: .low,
                severityScore: 0.6,
                blocked: false
              ),
              SafetyRating(
                category: .hateSpeech,
                probability: .low,
                probabilityScore: 0.3,
                severity: .medium,
                severityScore: 0.2,
                blocked: false
              ),
              SafetyRating(
                category: .sexuallyExplicit,
                probability: .low,
                probabilityScore: 0.2,
                severity: .negligible,
                severityScore: 0.5,
                blocked: false
              ),
            ],
            finishReason: FinishReason.other,
            citationMetadata: nil
          ),
        ]
      )
    )
    List {
      MessageView(message: ChatMessage.samples[0])
      MessageView(message: ChatMessage.samples[1])
      ErrorView(error: errorPromptBlocked)
    }
    .listStyle(.plain)
    .navigationTitle("Chat sample")
  }
}