DisableExport annotation

src/main/java/tech/ailef/dbadmin/external/annotations/DisableExport.java

@@ -0,0 +1,33 @@
+/* 
+ * Spring Boot Database Admin - An automatically generated CRUD admin UI for Spring Boot apps
+ * Copyright (C) 2023 Ailef (http://ailef.tech)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+
+package tech.ailef.dbadmin.external.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Disables delete actions on the Entity class.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface DisableExport {
+}

src/main/java/tech/ailef/dbadmin/external/controller/DataExportController.java

@@ -61,6 +61,11 @@ public class DataExportController {
 		if (raw == null) raw = false;
 		
 		DbObjectSchema schema = dbAdmin.findSchemaByClassName(className);
+		
+		if (!schema.isExportEnabled()) {
+			throw new DbAdminException("Export is not enabled for this table: " +  schema.getTableName());
+		}
+		
 		List<String> fieldsToInclude = otherParams.getOrDefault("fields[]", new ArrayList<>());
 		
 		DataExportFormat exportFormat = null;

src/main/java/tech/ailef/dbadmin/external/controller/GlobalController.java

@@ -31,6 +31,7 @@ import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import tech.ailef.dbadmin.external.DbAdmin;
 import tech.ailef.dbadmin.external.DbAdminProperties;
+import tech.ailef.dbadmin.external.exceptions.DbAdminException;
 import tech.ailef.dbadmin.external.exceptions.DbAdminNotFoundException;
 import tech.ailef.dbadmin.internal.UserConfiguration;
 
@@ -50,6 +51,17 @@ public class GlobalController {
 	@Autowired
 	private DbAdmin dbAdmin;
 	
+	@ExceptionHandler(DbAdminException.class)
+	public String handleException(Exception e, Model model, HttpServletResponse response) {
+		model.addAttribute("status", "");
+		model.addAttribute("error", "Error");
+		model.addAttribute("message", e.getMessage());
+		model.addAttribute("dbadmin_userConf", userConf);
+		model.addAttribute("dbadmin_baseUrl", getBaseUrl());
+		model.addAttribute("dbadmin_version", dbAdmin.getVersion());
+		return "other/error";
+	}
+	
 	@ExceptionHandler(DbAdminNotFoundException.class)
 	public String handleNotFound(Exception e, Model model, HttpServletResponse response) {
 		model.addAttribute("status", "404");

src/main/java/tech/ailef/dbadmin/external/dbmapping/DbObjectSchema.java

@@ -44,6 +44,7 @@ import tech.ailef.dbadmin.external.annotations.ComputedColumn;
 import tech.ailef.dbadmin.external.annotations.DisableCreate;
 import tech.ailef.dbadmin.external.annotations.DisableDelete;
 import tech.ailef.dbadmin.external.annotations.DisableEdit;
+import tech.ailef.dbadmin.external.annotations.DisableExport;
 import tech.ailef.dbadmin.external.annotations.HiddenColumn;
 import tech.ailef.dbadmin.external.dto.MappingError;
 import tech.ailef.dbadmin.external.exceptions.DbAdminException;
@@ -353,6 +354,10 @@ public class DbObjectSchema {
 		return entityClass.getAnnotation(DisableCreate.class) == null;
 	}
 	
+	public boolean isExportEnabled() {
+		return entityClass.getAnnotation(DisableExport.class) == null;
+	}
+	
 	/**
 	 * Returns all the data in this schema, as `DbObject`s
 	 * @return

src/main/resources/templates/model/list.html

@@ -151,7 +151,8 @@
 										<span title="Database table name" class="ms-3 label label-primary label-gray font-monospace">
 											[[ ${schema.getTableName()} ]]
 										</span>
-										<button title="Open export data window" type="button" class="btn"  data-bs-toggle="modal" data-bs-target="#csvExportModal">
+										<button th:if="${schema.isExportEnabled()}" title="Open export data window" type="button" 
+											class="btn"  data-bs-toggle="modal" data-bs-target="#csvExportModal">
 											<i class="bi bi-file-earmark-spreadsheet export-icon" style="font-size: 1.5rem;"></i>
 										</button>
 									</h3>