🔀✨ (AI) destination`s description text generate by GPT Completition

Merge branch 'feat/openai'

Author: ecureuill

pom.xml

@@ -18,6 +18,12 @@
 	</properties>
 	<dependencies>
 
+		<dependency>
+			<groupId>com.theokanning.openai-gpt3-java</groupId>
+			<artifactId>service</artifactId>
+			<version>0.15.0</version>
+		</dependency>
+
 		<dependency>
 			<groupId>net.datafaker</groupId>
 			<artifactId>datafaker</artifactId>

src/main/java/ecureuill/milhasapi/domain/destination/Destination.java

@@ -2,6 +2,7 @@
 
 import java.math.BigDecimal;
 
+import ecureuill.milhasapi.infra.openai.GptGuideService;
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
@@ -37,7 +38,12 @@ public Destination(@Valid DestinationCreateRecord record) {
         this.photo2 = record.photo2();
         this.Price = record.price(); 
         this.meta = record.meta();
-        this.description = record.description();       
+        this.description = record.description();  
+        
+        if(description == null || description == ""){
+            GptGuideService gpt = new GptGuideService();
+            this.description = gpt.generate(this.name);
+        }
     }
 
     public void update(@Valid DestinationUpdateRecord record) {

src/main/java/ecureuill/milhasapi/infra/openai/GptGuideService.java

@@ -0,0 +1,34 @@
+package ecureuill.milhasapi.infra.openai;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.springframework.stereotype.Service;
+
+import com.theokanning.openai.completion.chat.ChatCompletionRequest;
+import com.theokanning.openai.completion.chat.ChatMessage;
+import com.theokanning.openai.completion.chat.ChatMessageRole;
+import com.theokanning.openai.service.OpenAiService;
+
+@Service
+public class GptGuideService {
+    
+    public String generate(String destination){
+        OpenAiService service = new OpenAiService(System.getenv("OPENAI_KEY"));
+
+        List<ChatMessage> messages = new ArrayList<>();
+
+        messages.add(new ChatMessage(ChatMessageRole.USER.value(), "I want you to act as a travel guide. I will write you a location and you will write a 200 character text about this location, it's highlights and unique experiences. My first request sugestion is " + destination));
+
+        ChatCompletionRequest completion = ChatCompletionRequest
+            .builder()
+            .model("gpt-3.5-turbo")
+            .messages(messages)
+            .maxTokens(200)
+            .build();
+
+        ChatMessage response = service.createChatCompletion(completion).getChoices().get(0).getMessage();
+
+        return response.getContent();
+    }
+}