feat: iOS sample integration

Author: renatoarg

sample/ios/EnvConfig.xcconfig

@@ -10,4 +10,4 @@
 // https://help.apple.com/xcode/#/dev745c5c974
 
 
-API_KEY = // YOUR API KEY
+API_KEY = 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

sample/ios/YChatApp/Features/Completion/CompletionView.swift

@@ -72,9 +72,15 @@ private extension CompletionView {
             }
         case .bot:
             HStack {
-                botChatBubble(message: chatMessage.message)
-                Spacer().frame(width: 60)
-                Spacer()
+                if let imageUrl = chatMessage.url {
+                    botImageBubble(imageUrl)
+                    Spacer().frame(width: 60)
+                    Spacer()
+                } else {
+                    botChatBubble(message: chatMessage.message)
+                    Spacer().frame(width: 60)
+                    Spacer()
+                }
             }
         case .loading:
             HStack {
@@ -120,6 +126,28 @@ private extension CompletionView {
             .cornerRadius(16, corners: [.bottomLeft, .bottomLeft, .topRight])
         }
     }
+    
+    @ViewBuilder
+    private func botImageBubble(_ url: String) -> some View {
+        HStack(alignment: .top, spacing: 4) {
+            Circle()
+                .fill(.green)
+                .frame(width: 40, height: 40)
+                .overlay {
+                    Image(uiImage: Icon.bot.uiImage)
+                        .renderingMode(.template)
+                        .foregroundColor(.white)
+                }
+            ZStack {
+                AsyncImage(url: URL(string: url))
+                    .foregroundColor(.grayDark)
+            }
+            .padding(.horizontal, 16)
+            .padding(.vertical, 8)
+            .background(Color.grayLight)
+            .cornerRadius(16, corners: [.bottomLeft, .bottomLeft, .topRight])
+        }
+    }
 
     @ViewBuilder
     private func sendMessageSection() -> some View {

sample/ios/YChatApp/Features/Completion/Model/ChatMessage.swift

@@ -12,6 +12,7 @@ struct ChatMessage: Identifiable, Equatable {
     let id: String
     var message: String = ""
     var type: MessageType = .human(error: false)
+    var url: String?
 
     enum MessageType: Equatable {
         case human(error: Bool), bot, loading

sample/ios/YChatApp/Features/Completion/ViewModel/CompletionViewModel.swift

@@ -19,6 +19,11 @@ internal final class CompletionViewModel: ObservableObject {
                 content: "You are a helpful assistant."
             )
 
+    private var imageGenerations: ImageGenerations =
+        YChatCompanion.shared.create(apiKey: Config.apiKey)
+        .imageGenerations()
+        .setResults(results: 2)
+    
     @Published
     var message: String = ""
 
@@ -37,9 +42,15 @@ internal final class CompletionViewModel: ObservableObject {
             cleanLastMessage()
             addLoading()
             do {
-                let result = try await chatCompletions.execute(content: input)[0].content
-                removeLoading()
-                addAIMessage(message: result)
+                if input.contains("/image ") {
+                    let result = try await imageGenerations.execute(prompt: input)[0].url
+                    removeLoading()
+                    addAIImage(url: result)
+                } else {
+                    let result = try await chatCompletions.execute(content: input)[0].content
+                    removeLoading()
+                    addAIMessage(message: result)
+                }
             } catch {
                 removeLoading()
                 setError()
@@ -64,6 +75,15 @@ internal final class CompletionViewModel: ObservableObject {
         )
         chatMessageList.append(chatMessage)
     }
+    
+    private func addAIImage(url: String) {
+        let chatMessage = ChatMessage(
+            id: UUID().uuidString,
+            type: .bot,
+            url: url
+        )
+        chatMessageList.append(chatMessage)
+    }
 
     private func addLoading() {
         let chatMessage = ChatMessage(

sample/jvm/src/main/java/co/yml/ychat/jvm/controller/YChatController.java

@@ -32,6 +32,14 @@ public ResponseEntity<String> chatCompletions(
         return ResponseEntity.ok(result);
     }
 
+    @GetMapping("image-generations")
+    public ResponseEntity<String> imageGenerations(
+            @RequestParam(value = "prompt", defaultValue = Defaults.CHAT_COMPLETION_INPUT) String input
+    ) throws Exception {
+        String result = YChatService.getImageGenerationsAnswer(input);
+        return ResponseEntity.ok(result);
+    }
+
     private static class Defaults {
         static final String COMPLETION_INPUT = "Say this is a test.";
         static final String CHAT_COMPLETION_INPUT = "Tell me one strength exercise";

sample/jvm/src/main/java/co/yml/ychat/jvm/services/YChatService.java

@@ -7,6 +7,7 @@
 import org.springframework.stereotype.Service;
 import java.util.concurrent.CompletableFuture;
 import co.yml.ychat.YChat;
+import co.yml.ychat.domain.model.ImageGenerated;
 
 @Service
 public class YChatService {
@@ -35,6 +36,14 @@ public String getChatCompletionsAnswer(String input, String topic) throws Except
         return future.get().get(0).getContent();
     }
 
+    public String getImageGenerationsAnswer(String prompt) throws Exception {
+        final CompletableFuture<List<String>> future = new CompletableFuture<>();
+        ychat.imageGenerations()
+                .setResults(2)
+                .execute(prompt, new CompletionCallbackResult<>(future));
+        return future.get().get(0);
+    }
+
     private static class CompletionCallbackResult<T> implements YChat.Callback<T> {
 
         private final CompletableFuture<T> future;