add other format for vector

rag-service/src/main/java/com/balex/rag/service/impl/UserDocumentServiceImpl.java

@@ -20,6 +20,7 @@ import org.springframework.retry.annotation.Retryable;
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
 import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
+import org.springframework.ai.reader.tika.TikaDocumentReader;
 
 import java.io.IOException;
 import java.security.MessageDigest;
@@ -177,7 +178,13 @@ public class UserDocumentServiceImpl implements UserDocumentService {
             }
         };
 
-        List<Document> docs = new TextReader(resource).get();
+        List<Document> docs;
+        String ext = getExtensionOrTxt(filename);
+        if (ext.equals("txt")) {
+            docs = new TextReader(resource).get();
+        } else {
+            docs = new TikaDocumentReader(resource).get();
+        }
 
         TokenTextSplitter splitter = TokenTextSplitter.builder()
                 .withChunkSize(chunkSize)

rag-service/src/main/resources/application.properties

@@ -24,6 +24,9 @@ spring.cloud.consul.discovery.deregister-critical-service-after=1m
 management.endpoints.web.exposure.include=health,info
 management.endpoint.health.show-details=always
 
+spring.servlet.multipart.max-file-size=5MB
+spring.servlet.multipart.max-request-size=10MB
+
 spring.datasource.url=${SPRING_DATASOURCE_URL:jdbc:postgresql://localhost:5432/ragdb}
 spring.datasource.username=${SPRING_DATASOURCE_USERNAME:postgres}
 spring.datasource.password=${SPRING_DATASOURCE_PASSWORD:postgres}