[Developer] #424 support ORDS handler source editing

src/main/java/com/cloudhandson/vpdbackoffice/service/OrdsMetadataService.java

@@ -1,24 +1,32 @@
 package com.cloudhandson.vpdbackoffice.service;
 
+import com.cloudhandson.vpdbackoffice.domain.ords.OrdsHandlerUpdateCommand;
 import com.cloudhandson.vpdbackoffice.domain.ords.OrdsHandlerView;
 import com.cloudhandson.vpdbackoffice.mapper.OrdsMetadataMapper;
 import java.util.List;
+import java.util.Locale;
+import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 @Service
 public class OrdsMetadataService {
 
   private final OrdsMetadataMapper mapper;
+  private final JdbcTemplate jdbcTemplate;
 
-  public OrdsMetadataService(OrdsMetadataMapper mapper) {
+  public OrdsMetadataService(OrdsMetadataMapper mapper, JdbcTemplate jdbcTemplate) {
     this.mapper = mapper;
+    this.jdbcTemplate = jdbcTemplate;
   }
 
   public List<OrdsHandlerView> findHandlers() {
     String packageSource = mapper.findHandlerPackageSource();
     return mapper.findHandlers().stream()
         .map(handler -> new OrdsHandlerView(
+            handler.handlerId(),
             handler.schemaName(),
+            handler.parsingSchema(),
             handler.moduleName(),
             handler.basePath(),
             handler.template(),
@@ -30,4 +38,37 @@ public class OrdsMetadataService {
         ))
         .toList();
   }
+
+  @Transactional
+  public void updateHandlerSource(OrdsHandlerUpdateCommand command) {
+    if (command.source() == null || command.source().isBlank()) {
+      throw new AppException("ORDS Handler Source는 필수입니다.");
+    }
+    OrdsHandlerView handler = mapper.findHandler(command.handlerId());
+    if (handler == null) {
+      throw new AppException("수정할 ORDS Handler를 찾을 수 없습니다.");
+    }
+    String sourceType = handler.sourceType() == null ? "" : handler.sourceType().toLowerCase(Locale.ROOT);
+    if (!sourceType.contains("plsql")) {
+      throw new AppException("현재는 PL/SQL ORDS Handler만 수정할 수 있습니다: " + handler.sourceType());
+    }
+    String currentUser = jdbcTemplate.queryForObject("SELECT USER FROM dual", String.class);
+    if (currentUser == null || !currentUser.equalsIgnoreCase(handler.parsingSchema())) {
+      throw new AppException("ORDS Handler 수정은 parsing schema로 DB에 연결했을 때만 가능합니다. 현재 연결 사용자: "
+          + currentUser + ", Handler parsing schema: " + handler.parsingSchema());
+    }
+    jdbcTemplate.update("""
+        BEGIN
+          ORDS.DEFINE_HANDLER(
+            p_module_name    => ?,
+            p_pattern        => ?,
+            p_method         => ?,
+            p_source_type    => ORDS.source_type_plsql,
+            p_source         => ?,
+            p_items_per_page => 0
+          );
+          COMMIT;
+        END;
+        """, handler.moduleName(), handler.template(), handler.method(), command.source());
+  }
 }