AI models: add base URL to OpenAI

application/src/main/java/org/thingsboard/server/service/ai/Langchain4jChatModelConfigurerImpl.java

@@ -70,6 +70,7 @@ class Langchain4jChatModelConfigurerImpl implements Langchain4jChatModelConfigur
     @Override
     public ChatModel configureChatModel(OpenAiChatModelConfig chatModelConfig) {
         return OpenAiChatModel.builder()
+                .baseUrl(chatModelConfig.providerConfig().baseUrl())
                 .apiKey(chatModelConfig.providerConfig().apiKey())
                 .modelName(chatModelConfig.modelId())
                 .temperature(chatModelConfig.temperature())

application/src/test/java/org/thingsboard/server/controller/AiModelControllerTest.java

@@ -104,7 +104,10 @@ public class AiModelControllerTest extends AbstractControllerTest {
         var model = doPost("/api/ai/model", constructValidOpenAiModel("Test model"), AiModel.class);
 
         var newModelConfig = OpenAiChatModelConfig.builder()
-                .providerConfig(new OpenAiProviderConfig("test-api-key-updated"))
+                .providerConfig(OpenAiProviderConfig.builder()
+                        .baseUrl(OpenAiProviderConfig.OPENAI_OFFICIAL_BASE_URL)
+                        .apiKey("test-api-key-updated")
+                        .build())
                 .modelId("o4-mini")
                 .temperature(0.2)
                 .topP(0.4)
@@ -270,7 +273,7 @@ public class AiModelControllerTest extends AbstractControllerTest {
                 .tenantId(tenantId)
                 .name("Test model 1")
                 .configuration(OpenAiChatModelConfig.builder()
-                        .providerConfig(new OpenAiProviderConfig("test-api-key"))
+                        .providerConfig(OpenAiProviderConfig.builder().apiKey("test-api-key").build())
                         .modelId("o3-pro")
                         .build())
                 .build(), AiModel.class);
@@ -594,7 +597,10 @@ public class AiModelControllerTest extends AbstractControllerTest {
 
     private AiModel constructValidOpenAiModel(String name) {
         var modelConfig = OpenAiChatModelConfig.builder()
-                .providerConfig(new OpenAiProviderConfig("test-api-key"))
+                .providerConfig(OpenAiProviderConfig.builder()
+                        .baseUrl(OpenAiProviderConfig.OPENAI_OFFICIAL_BASE_URL)
+                        .apiKey("test-api-key")
+                        .build())
                 .modelId("gpt-4o")
                 .temperature(0.5)
                 .topP(0.3)

application/src/test/java/org/thingsboard/server/service/entitiy/ai/DefaultTbAiModelServiceTest.java

@@ -253,7 +253,7 @@ class DefaultTbAiModelServiceTest {
 
     private static AiModelConfig constructValidOpenAiModelConfig() {
         return OpenAiChatModelConfig.builder()
-                .providerConfig(new OpenAiProviderConfig("test-api-key"))
+                .providerConfig(OpenAiProviderConfig.builder().apiKey("test-api-key").build())
                 .modelId("gpt-4o")
                 .temperature(0.5)
                 .topP(0.3)

application/src/test/java/org/thingsboard/server/service/resource/sql/BaseTbResourceServiceTest.java

@@ -682,7 +682,10 @@ public class BaseTbResourceServiceTest extends AbstractControllerTest {
 
     private AiModel constructValidOpenAiModel(String name) {
         var modelConfig = OpenAiChatModelConfig.builder()
-                .providerConfig(new OpenAiProviderConfig("test-api-key"))
+                .providerConfig(OpenAiProviderConfig.builder()
+                        .baseUrl(OpenAiProviderConfig.OPENAI_OFFICIAL_BASE_URL)
+                        .apiKey("test-api-key")
+                        .build())
                 .modelId("gpt-4o")
                 .temperature(0.5)
                 .topP(0.3)
@@ -699,6 +702,7 @@ public class BaseTbResourceServiceTest extends AbstractControllerTest {
                 .configuration(modelConfig)
                 .build();
     }
+
     @Test
     public void testFindTenantResourcesByTenantId() throws Exception {
         loginSysAdmin();

common/data/src/main/java/org/thingsboard/server/common/data/ai/provider/OpenAiProviderConfig.java

@@ -15,8 +15,32 @@
  */
 package org.thingsboard.server.common.data.ai.provider;
 
-import jakarta.validation.constraints.NotNull;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import jakarta.validation.constraints.AssertTrue;
+import lombok.Builder;
+import org.apache.commons.lang3.StringUtils;
 
+import java.util.Objects;
+
+@Builder
 public record OpenAiProviderConfig(
-        @NotNull String apiKey
-) implements AiProviderConfig {}
+        String baseUrl,
+        String apiKey
+) implements AiProviderConfig {
+
+    public static final String OPENAI_OFFICIAL_BASE_URL = "https://api.openai.com/v1";
+
+    public OpenAiProviderConfig {
+        baseUrl = Objects.requireNonNullElse(baseUrl, OPENAI_OFFICIAL_BASE_URL);
+    }
+
+    @JsonIgnore
+    @AssertTrue(message = "API key is required when using the official OpenAI API")
+    public boolean isValid() {
+        if (baseUrl.equals(OPENAI_OFFICIAL_BASE_URL)) {
+            return StringUtils.isNotBlank(apiKey);
+        }
+        return true;
+    }
+
+}

rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/ai/TbAiNodeTest.java

@@ -129,7 +129,10 @@ class TbAiNodeTest {
         config = new TbAiNodeConfiguration();
 
         modelConfig = OpenAiChatModelConfig.builder()
-                .providerConfig(new OpenAiProviderConfig("test-api-key"))
+                .providerConfig(OpenAiProviderConfig.builder()
+                        .baseUrl(OpenAiProviderConfig.OPENAI_OFFICIAL_BASE_URL)
+                        .apiKey("test-api-key")
+                        .build())
                 .modelId("gpt-4o")
                 .temperature(0.5)
                 .topP(0.3)