✨ Extrapolating state of conversation

Author: MrGraversen

spring-boot-starter-replicate/src/main/java/io/graversen/replicate/common/TextConversation.java

@@ -5,6 +5,7 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
 
 @Value
 public class TextConversation {
@@ -46,4 +47,8 @@ public List<TextMessage> getFirstMessages(@NonNull Integer conversationSize) {
                 .limit(conversationSize)
                 .toList();
     }
+
+    public Optional<TextMessage> getLastMessage() {
+        return messages.isEmpty() ? Optional.empty() : Optional.of(messages.getLast());
+    }
 }

spring-boot-starter-replicate/src/main/java/io/graversen/replicate/facade/ReplicateFacade.java

@@ -30,9 +30,9 @@ public CompletableFuture<PredictionResponseAndModel> createPrediction(
     ) {
         return CompletableFuture
                 .supplyAsync(doCreatePrediction(model, createPrediction), executorService)
-                .thenApplyAsync(checkAndEmitPredictionCreationTask, executorService)
-                .thenApplyAsync(pollPredictionStatusTask, executorService)
-                .whenCompleteAsync(emitPredictionResponseTask, executorService);
+                .thenApply(checkAndEmitPredictionCreationTask)
+                .thenApply(pollPredictionStatusTask)
+                .whenComplete(emitPredictionResponseTask);
     }
 
     public CompletableFuture<PredictionResponseAndModel> createPrediction(
@@ -41,9 +41,9 @@ public CompletableFuture<PredictionResponseAndModel> createPrediction(
     ) {
         return CompletableFuture
                 .supplyAsync(doCreatePrediction(model, createPrediction), executorService)
-                .thenApplyAsync(checkAndEmitPredictionCreationTask, executorService)
-                .thenApplyAsync(pollPredictionStatusTask, executorService)
-                .whenCompleteAsync(emitPredictionResponseTask, executorService);
+                .thenApply(checkAndEmitPredictionCreationTask)
+                .thenApply(pollPredictionStatusTask)
+                .whenComplete(emitPredictionResponseTask);
     }
 
     Supplier<Optional<PredictionResponseAndModel>> doCreatePrediction(

spring-boot-starter-replicate/src/main/java/io/graversen/replicate/service/Conversation.java

@@ -3,10 +3,8 @@
 import io.graversen.replicate.common.ReplicateModel;
 import io.graversen.replicate.common.TextConversation;
 import io.graversen.replicate.common.TextMessage;
-import lombok.AccessLevel;
-import lombok.NonNull;
-import lombok.RequiredArgsConstructor;
-import lombok.Value;
+import io.graversen.replicate.common.TextPredictionRoles;
+import lombok.*;
 
 import java.util.UUID;
 
@@ -45,7 +43,20 @@ public Conversation update(@NonNull TextConversation conversation) {
         );
     }
 
+    @ToString.Include
+    public ConversationStates getState() {
+        if (conversation.getMessages().isEmpty()) {
+            return ConversationStates.IDLE;
+        }
+
+        final var isLastMessageFromUser = conversation.getLastMessage()
+                .map(message -> message.getRole().equals(TextPredictionRoles.USER.asString()))
+                .orElse(false);
+
+        return isLastMessageFromUser ? ConversationStates.WAITING_FOR_ASSISTANT : ConversationStates.WAITING_FOR_USER;
+    }
+
     private static String createId() {
-        return String.format("c_%s", UUID.randomUUID().toString());
+        return String.format("c_%s", UUID.randomUUID());
     }
 }

spring-boot-starter-replicate/src/main/java/io/graversen/replicate/service/ConversationStates.java

@@ -0,0 +1,7 @@
+package io.graversen.replicate.service;
+
+public enum ConversationStates {
+    IDLE,
+    WAITING_FOR_ASSISTANT,
+    WAITING_FOR_USER
+}