feat : adds swagger-ui for testing

.vscode/launch.json

@@ -19,6 +19,16 @@
             "projectName": "pgvector-springai",
             "args": "--spring.profiles.active=local",
             "envFile": "${workspaceFolder}/.env"
+        },
+        {
+            "type": "java",
+            "name": "Spring Boot-PgVectorEmbeddingStoreExample<pgvector-langchain4j>",
+            "request": "launch",
+            "cwd": "${workspaceFolder}",
+            "mainClass": "com.learning.ai.PgVectorEmbeddingStoreExample",
+            "projectName": "pgvector-langchain4j",
+            "args": "--spring.profiles.active=local",
+            "envFile": "${workspaceFolder}/.env"
         }
     ]
 }

llm-rag-with-langchain4j-spring-boot/src/main/java/com/learning/ai/config/SwaggerConfig.java

@@ -0,0 +1,10 @@
+package com.learning.ai.config;
+
+import io.swagger.v3.oas.annotations.OpenAPIDefinition;
+import io.swagger.v3.oas.annotations.info.Info;
+import io.swagger.v3.oas.annotations.servers.Server;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration(proxyBeanMethods = false)
+@OpenAPIDefinition(info = @Info(title = "llm-rag-with-langchain4j", version = "v1.0.0"), servers = @Server(url = "/"))
+public class SwaggerConfig {}

pgvector-langchain4j/pom.xml

@@ -45,6 +45,12 @@
             <version>${langchain4j.version}</version>
         </dependency>
 
+        <dependency>
+            <groupId>org.springdoc</groupId>
+            <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
+            <version>2.4.0</version>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>

pgvector-langchain4j/src/main/java/com/learning/ai/config/SwaggerConfig.java

@@ -0,0 +1,12 @@
+package com.learning.ai.config;
+
+import io.swagger.v3.oas.annotations.OpenAPIDefinition;
+import io.swagger.v3.oas.annotations.info.Info;
+import io.swagger.v3.oas.annotations.servers.Server;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration(proxyBeanMethods = false)
+@OpenAPIDefinition(
+        info = @Info(title = "pgvector-langchain4j", version = "v1.0.0"),
+        servers = @Server(url = "/"))
+public class SwaggerConfig {}

pgvector-langchain4j/src/main/resources/application.properties

@@ -2,4 +2,4 @@ spring.application.name=pgvector-langchain4j
 
 spring.datasource.password=secret
 spring.datasource.username=appuser
-spring.datasource.url=jdbc:postgresql://localhost/appdb
+spring.datasource.url=jdbc:postgresql://localhost:5432/appdb

pgvector-springai/pom.xml

@@ -39,6 +39,12 @@
             <artifactId>spring-ai-pgvector-store-spring-boot-starter</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>org.springdoc</groupId>
+            <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
+            <version>2.4.0</version>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>

pgvector-springai/src/main/java/com/learning/ai/config/Initializer.java

@@ -7,7 +7,7 @@
 @Component
 public class Initializer implements CommandLineRunner {
 
-    final PgVectorStoreService pgVectorStoreService;
+    private final PgVectorStoreService pgVectorStoreService;
 
     public Initializer(PgVectorStoreService pgVectorStoreService) {
         this.pgVectorStoreService = pgVectorStoreService;

pgvector-springai/src/main/java/com/learning/ai/config/ResponseHeadersModification.java

@@ -26,7 +26,7 @@ RestClient.Builder restClientBuilder() {
         });
     }
 
-    private class CustomClientHttpResponse implements ClientHttpResponse {
+    private static class CustomClientHttpResponse implements ClientHttpResponse {
 
         private final ClientHttpResponse originalResponse;
         private final HttpHeaders headers;

pgvector-springai/src/main/java/com/learning/ai/config/SwaggerConfig.java

@@ -0,0 +1,12 @@
+package com.learning.ai.config;
+
+import io.swagger.v3.oas.annotations.OpenAPIDefinition;
+import io.swagger.v3.oas.annotations.info.Info;
+import io.swagger.v3.oas.annotations.servers.Server;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration(proxyBeanMethods = false)
+@OpenAPIDefinition(
+        info = @Info(title = "pgvector-springai", version = "v1.0.0"),
+        servers = @Server(url = "/"))
+public class SwaggerConfig {}

pgvector-springai/src/main/java/com/learning/ai/service/PgVectorStoreService.java

@@ -13,7 +13,7 @@
 @Service
 public class PgVectorStoreService {
 
-    private final Logger log = LoggerFactory.getLogger(PgVectorStoreService.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(PgVectorStoreService.class);
 
     private final VectorStore vectorStore;
 
@@ -35,7 +35,7 @@ public AIChatResponse queryEmbeddingStore(String question) {
         String relevantData =
                 similarDocuments.stream().map(Document::getContent).collect(Collectors.joining(System.lineSeparator()));
 
-        log.info("response from vectorStore :{} ", relevantData);
+        LOGGER.info("response from vectorStore : {} ", relevantData);
         return new AIChatResponse(relevantData);
     }
 }