[Developer] #424 load permission rule columns dynamically

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

@@ -33,6 +33,10 @@ public class ProtectedObjectService {
     return mapper.findDatabaseObjects();
   }
 
+  public List<String> findDatabaseColumns(String owner, String objectName) {
+    return mapper.findDatabaseColumns(owner, objectName);
+  }
+
   public ProtectedObject assertEnabled(long objectId) {
     ProtectedObject object = mapper.findById(objectId);
     if (object == null || !object.enabled()) {

src/main/java/com/cloudhandson/vpdbackoffice/web/PermissionController.java

@@ -12,6 +12,7 @@ import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.servlet.mvc.support.RedirectAttributes;
 
 @Controller
@@ -28,6 +29,34 @@ public class PermissionController {
     this.protectedObjectService = protectedObjectService;
   }
 
+  @GetMapping("/permissions/object-columns")
+  @ResponseBody
+  public List<String> objectColumns(@RequestParam String objectRef) {
+    if (objectRef == null || objectRef.isBlank()) {
+      return List.of();
+    }
+    if (objectRef.startsWith("protected:")) {
+      long objectId;
+      try {
+        objectId = Long.parseLong(objectRef.substring("protected:".length()));
+      } catch (NumberFormatException exception) {
+        return List.of();
+      }
+      return protectedObjectService.findColumns(objectId).stream()
+          .map(column -> column.columnName())
+          .toList();
+    }
+    if (objectRef.startsWith("db:")) {
+      String value = objectRef.substring("db:".length());
+      int dot = value.indexOf('.');
+      if (dot < 1 || dot == value.length() - 1) {
+        return List.of();
+      }
+      return protectedObjectService.findDatabaseColumns(value.substring(0, dot), value.substring(dot + 1));
+    }
+    return List.of();
+  }
+
   @GetMapping("/permissions")
   public String permissions(Model model) {
     var objects = protectedObjectService.findEnabled();

src/main/resources/static/js/app.js

@@ -28,13 +28,7 @@ function filterUserRoleDetail() {
   empty.hidden = shown !== 0;
 }
 
-function syncRuleColumnOptions() {
-  const objectSelect = document.querySelector('select[name="objectRef"]');
-  if (!objectSelect) {
-    return;
-  }
-  const selectedOption = objectSelect.options[objectSelect.selectedIndex];
-  const columns = (selectedOption?.dataset.columns || '').split(',').filter(Boolean);
+function renderRuleColumnOptions(columns) {
   document.querySelectorAll('.rule-column-select').forEach((select) => {
     const current = select.value;
     select.innerHTML = '<option value="">전체 행</option>' + columns
@@ -46,6 +40,26 @@ function syncRuleColumnOptions() {
   });
 }
 
+async function syncRuleColumnOptions() {
+  const objectSelect = document.querySelector('select[name="objectRef"]');
+  if (!objectSelect) {
+    return;
+  }
+  const selectedOption = objectSelect.options[objectSelect.selectedIndex];
+  const fallbackColumns = (selectedOption?.dataset.columns || '').split(',').filter(Boolean);
+  renderRuleColumnOptions(fallbackColumns);
+  try {
+    const response = await fetch(`/permissions/object-columns?objectRef=${encodeURIComponent(objectSelect.value)}`);
+    if (!response.ok) {
+      return;
+    }
+    const columns = await response.json();
+    renderRuleColumnOptions(Array.isArray(columns) ? columns : fallbackColumns);
+  } catch (error) {
+    renderRuleColumnOptions(fallbackColumns);
+  }
+}
+
 document.addEventListener('DOMContentLoaded', () => {
   const master = document.getElementById('userRoleMaster');
   if (master) {