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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| // | ||
| // PDFSupportView.swift | ||
| // Playground | ||
| // | ||
| // Created by Kevin Hermawan on 11/3/24. | ||
| // | ||
|
|
||
| import SwiftUI | ||
| import LLMChatAnthropic | ||
|
|
||
| struct PDFSupportView: View { | ||
| @Environment(AppViewModel.self) private var viewModel | ||
| @State private var isPreferencesPresented: Bool = false | ||
|
|
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| @State private var document: String = "https://arxiv.org/pdf/1706.03762" | ||
| @State private var prompt: String = "Explain this document" | ||
|
|
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| @State private var response: String = "" | ||
| @State private var inputTokens: Int = 0 | ||
| @State private var outputTokens: Int = 0 | ||
| @State private var totalTokens: Int = 0 | ||
|
|
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| var body: some View { | ||
| @Bindable var viewModelBindable = viewModel | ||
|
|
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| VStack { | ||
| Form { | ||
| Section("Prompts") { | ||
| TextField("Document", text: $document) | ||
| TextField("Prompt", text: $prompt) | ||
| } | ||
|
|
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| Section("Response") { | ||
| Text(response) | ||
| } | ||
|
|
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| UsageSection(inputTokens: inputTokens, outputTokens: outputTokens, totalTokens: totalTokens) | ||
| } | ||
|
|
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| VStack { | ||
| SendButton(stream: viewModel.stream, onSend: onSend, onStream: onStream) | ||
| } | ||
| } | ||
| .onAppear { | ||
| viewModel.setHeaders(["anthropic-beta": "pdfs-2024-09-25"]) | ||
| } | ||
| .toolbar { | ||
| ToolbarItem(placement: .principal) { | ||
| NavigationTitle("PDF Support") | ||
| } | ||
|
|
||
| ToolbarItem(placement: .primaryAction) { | ||
| Button("Preferences", systemImage: "gearshape", action: { isPreferencesPresented.toggle() }) | ||
| } | ||
| } | ||
| .sheet(isPresented: $isPreferencesPresented) { | ||
| PreferencesView() | ||
| } | ||
| } | ||
|
|
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| private func onSend() { | ||
| clear() | ||
|
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| let messages = [ | ||
| ChatMessage(role: .system, content: viewModel.systemPrompt), | ||
| ChatMessage(role: .user, content: [.text(prompt), .document(document)]) | ||
| ] | ||
|
|
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| let options = ChatOptions(temperature: viewModel.temperature) | ||
|
|
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| Task { | ||
| do { | ||
| let completion = try await viewModel.chat.send(model: viewModel.selectedModel, messages: messages, options: options) | ||
|
|
||
| if let text = completion.content.first?.text { | ||
| self.response = text | ||
| } | ||
|
|
||
| if let usage = completion.usage { | ||
| self.inputTokens = usage.inputTokens | ||
| self.outputTokens = usage.outputTokens | ||
| self.totalTokens = usage.totalTokens | ||
| } | ||
| } catch { | ||
| print(String(describing: error)) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private func onStream() { | ||
| clear() | ||
|
|
||
| let messages = [ | ||
| ChatMessage(role: .system, content: viewModel.systemPrompt), | ||
| ChatMessage(role: .user, content: [.text(prompt), .document(document)]) | ||
| ] | ||
|
|
||
| let options = ChatOptions(temperature: viewModel.temperature) | ||
|
|
||
| Task { | ||
| do { | ||
| for try await chunk in viewModel.chat.stream(model: viewModel.selectedModel, messages: messages, options: options) { | ||
| if let text = chunk.delta?.text { | ||
| self.response += text | ||
| } | ||
|
|
||
| if let usage = chunk.usage { | ||
| self.inputTokens = usage.inputTokens | ||
| self.outputTokens = usage.outputTokens | ||
| self.totalTokens = usage.totalTokens | ||
| } | ||
| } | ||
| } catch { | ||
| print(String(describing: error)) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private func clear() { | ||
| self.response = "" | ||
| self.inputTokens = 0 | ||
| self.outputTokens = 0 | ||
| self.totalTokens = 0 | ||
| } | ||
| } |
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