Allow custom base URL for OpenAiService

.gitignore

@@ -1,4 +1,5 @@
 .idea
+.vscode
 target
 pom.xml
 CraftGPT.iml

pom.xml

@@ -85,7 +85,7 @@
         <dependency>
             <groupId>com.theokanning.openai-gpt3-java</groupId>
             <artifactId>service</artifactId>
-            <version>0.12.0</version>
+            <version>0.14.0</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
@@ -106,5 +106,10 @@
             <version>4.3.0</version>
             <scope>compile</scope>
         </dependency>
+        <dependency>
+            <groupId>io.github.zawn.retrofit2</groupId>
+            <artifactId>converter-jackson</artifactId>
+            <version>2.10.6</version>
+        </dependency>
     </dependencies>
 </project>

src/main/java/com/theaiguy_/craftgpt/gpt.java

@@ -1,11 +1,18 @@
 package com.theaiguy_.craftgpt;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.theokanning.openai.client.OpenAiApi;
 import com.theokanning.openai.completion.chat.ChatCompletionRequest;
 import com.theokanning.openai.completion.chat.ChatMessage;
 import com.theokanning.openai.service.OpenAiService;
 import net.kyori.adventure.platform.bukkit.BukkitAudiences;
 import net.kyori.adventure.text.minimessage.MiniMessage;
 import net.kyori.adventure.text.minimessage.tag.resolver.Placeholder;
+import okhttp3.OkHttpClient;
+import retrofit2.Retrofit;
+import retrofit2.converter.jackson.JacksonConverterFactory;
+import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
+
 import org.bukkit.Bukkit;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
@@ -22,6 +29,7 @@ public class gpt implements CommandExecutor
     public static final HashMap<String, List<ChatMessage>> messages = new HashMap<>();
     private static final HashMap<String, Long> cooldowns = new HashMap<>();
     static Long cooldownMs = config.getLong("cooldown");
+    static String baseUrl = config.getString("chatgpt.base-url");
     static String token = config.getString("chatgpt.token");
 
 
@@ -63,7 +71,18 @@ public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command
             {
                 adventure.sender(sender).sendMessage(getFormattedString("messages.generating"));
 
-                OpenAiService service = new OpenAiService(Objects.requireNonNull(token), Duration.ofMinutes(3));
+                ObjectMapper mapper = OpenAiService.defaultObjectMapper();
+                OkHttpClient client = OpenAiService.defaultClient(Objects.requireNonNull(token), Duration.ofMinutes(3));
+
+                Retrofit retrofit = new Retrofit.Builder()
+                        .baseUrl(Objects.requireNonNull(baseUrl))
+                        .client(client)
+                        .addConverterFactory(JacksonConverterFactory.create(mapper))
+                        .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
+                        .build();
+
+                OpenAiService service = new OpenAiService(retrofit.create(OpenAiApi.class), client.dispatcher().executorService());
+
                 ChatCompletionRequest.ChatCompletionRequestBuilder completionRequestBuilder = ChatCompletionRequest.builder()
                         .messages(messages.get(sender.getName()))
                         .model(config.getString("chatgpt.model"))
@@ -94,4 +113,4 @@ public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command
         });
         return true;
     }
-}
+}

src/main/resources/config.yml

@@ -40,6 +40,11 @@ chatgpt:
   # NOTE: This is only stored locally and is not used for anything other than making requests.
   token: ""
 
+  # API base url.
+  # Change this if you wish to use alternative API endpoints (e.g. https://api.openai-proxy.com/).
+  # Make sure that it is compatible with OpenAI API calls.
+  base-url: https://api.openai.com/
+
   # ID of the model to use.
   # See https://platform.openai.com/docs/models/model-endpoint-compatibility
   # for details on which models work with the Chat API.