feat: publish application permissions to DDS grants

dds-backoffice/src/main/java/com/cloudhandson/ddsbackoffice/web/DdsProvisionController.java

@@ -0,0 +1,52 @@
+package com.cloudhandson.ddsbackoffice.web;
+
+import com.cloudhandson.ddsbackoffice.domain.DdsProvisioningPlan;
+import com.cloudhandson.ddsbackoffice.service.DdsGrantPublisher;
+import org.springframework.dao.DataAccessException;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.servlet.mvc.support.RedirectAttributes;
+
+@Controller
+public class DdsProvisionController {
+
+  private final DdsGrantPublisher publisher;
+
+  public DdsProvisionController(DdsGrantPublisher publisher) {
+    this.publisher = publisher;
+  }
+
+  @GetMapping("/dds-provision")
+  public String page(Model model) {
+    loadPlan(model);
+    return "dds-provision";
+  }
+
+  @PostMapping("/dds-provision/publish")
+  public String publish(RedirectAttributes redirectAttributes) {
+    try {
+      DdsProvisioningPlan plan = publisher.publish();
+      redirectAttributes.addFlashAttribute(
+          "successMessage",
+          plan.publishableCount() + "개 DDS DATA GRANT를 게시했습니다. 권한 없는 대상의 기존 Grant는 회수했습니다."
+      );
+      if (plan.hasWarnings()) {
+        redirectAttributes.addFlashAttribute("warningMessage", String.join(" / ", plan.warnings()));
+      }
+    } catch (DataAccessException | IllegalArgumentException exception) {
+      redirectAttributes.addFlashAttribute("errorMessage", exception.getMessage());
+    }
+    return "redirect:/dds-provision";
+  }
+
+  private void loadPlan(Model model) {
+    try {
+      model.addAttribute("plan", publisher.preview());
+    } catch (DataAccessException | IllegalArgumentException exception) {
+      model.addAttribute("plan", new DdsProvisioningPlan(java.util.List.of(),
+          java.util.List.of(exception.getMessage()), 0));
+    }
+  }
+}