From 637d0fb03b07c20447fa3e5958951d2eee8702d9 Mon Sep 17 00:00:00 2001
From: rob <rob@digitaltelepresence.com>
Date: Thu, 25 Aug 2022 00:41:32 -0400
Subject: [PATCH] Added ability to delete an OAuth2Client (Service Node)

---
 app/controllers/admin/service-node.js   | 19 +++++++++++++++++++
 app/services/oauth2.js                  |  9 +++++++++
 app/views/admin/service-node/editor.pug | 19 +++++++++++++++++--
 client/js/site-admin-app.js             | 20 ++++++++++++++++++++
 4 files changed, 65 insertions(+), 2 deletions(-)

diff --git a/app/controllers/admin/service-node.js b/app/controllers/admin/service-node.js
index c644026..26f8c06 100644
--- a/app/controllers/admin/service-node.js
+++ b/app/controllers/admin/service-node.js
@@ -32,6 +32,8 @@ class ServiceNodeController extends SiteController {
     router.get('/:clientId', this.getClientView.bind(this));
     router.get('/', this.getIndex.bind(this));
 
+    router.delete('/:clientId', this.deleteClient.bind(this));
+
     return router;
   }
 
@@ -106,6 +108,23 @@ class ServiceNodeController extends SiteController {
       return next(error);
     }
   }
+
+  async deleteClient (req, res) {
+    const { oauth2: oauth2Service } = this.dtp.services;
+    try {
+      await oauth2Service.removeClient(res.locals.serviceNode);
+
+      const displayList = this.createDisplayList('delete-newsletter');
+      displayList.navigateTo('/admin/service-node');
+      res.status(200).json({ success: true, displayList });
+    } catch (error) {
+      this.log.error('failed to delete client', { clientId: res.locals.serviceNode._id, error });
+      return res.status(error.statusCode || 500).json({
+        success: false,
+        message: error.message,
+      });
+    }
+  }
 }
 
 module.exports = {
diff --git a/app/services/oauth2.js b/app/services/oauth2.js
index ec8532f..2e886b8 100644
--- a/app/services/oauth2.js
+++ b/app/services/oauth2.js
@@ -458,6 +458,15 @@ class OAuth2Service extends SiteService {
      */
     return done(null, client);
   }
+
+  /**
+   * Removes and fully de-authorizes an OAuth2Client from the system.
+   * @param {OAuth2Client} client the client to be removed
+   */
+  async removeClient (client) {
+    this.log.info('removing client', { clientId: client._id, });
+    await OAuth2Client.deleteOne({ _id: client._id });
+  }
 }
 
 module.exports = {
diff --git a/app/views/admin/service-node/editor.pug b/app/views/admin/service-node/editor.pug
index f309898..21a09d7 100644
--- a/app/views/admin/service-node/editor.pug
+++ b/app/views/admin/service-node/editor.pug
@@ -18,15 +18,30 @@ block content
 
         .uk-margin
           label(for="notes").uk-form-label Notes
-          textarea(id="notes", name="notes", rows="4", placeholder="Enter client notes").uk-textarea= serviceNode.admin.notes
+          textarea(id="notes", name="notes", rows="4", placeholder="Enter client notes").uk-textarea= (serviceNode.admin && serviceNode.admin.notes) ? serviceNode.admin.notes : undefined
 
         .uk-margin
           label(for="is-active")
             input(id="is-active", name="isActive", type="checkbox", checked= serviceNode.flags.isActive).uk-checkbox
             span.uk-margin-small-left Is Active
+
       .uk-card-footer
         div(uk-grid).uk-grid-small
           .uk-width-expand
             +renderBackButton()
+
+          .uk-width-auto
+            button(
+              type="button",
+              data-service-node-id= serviceNode._id,
+              onclick="return dtp.adminApp.deleteServiceNode(event);"
+            ).uk-button.uk-button-danger.uk-border-rounded
+              span
+                i.fas.fa-trash
+              span.uk-margin-small-left Delete
+
           .uk-width-auto
-            button(type="submit").uk-button.uk-button-primary Save
\ No newline at end of file
+            button(type="submit").uk-button.uk-button-primary.uk-border-rounded
+              span
+                i.fas.fa-save
+              span.uk-margin-small-left Save
\ No newline at end of file
diff --git a/client/js/site-admin-app.js b/client/js/site-admin-app.js
index 6786430..57a1eb7 100644
--- a/client/js/site-admin-app.js
+++ b/client/js/site-admin-app.js
@@ -324,6 +324,26 @@ export default class DtpSiteAdminHostStatsApp extends DtpApp {
       UIkit.modal.alert(`Failed to send Core Connect response: ${error.message}`);
     }
   }
+
+  async deleteServiceNode (event) {
+    const target = event.currentTarget || event.target;
+    const serviceNodeId = target.getAttribute('data-service-node-id');
+    try {
+      await UIkit.modal.confirm('Are you sure you want to delete the Service Node?');
+    } catch (error) {
+      return; // user cancel
+    }
+    try {
+      const actionUrl = `/admin/service-node/${serviceNodeId}`;
+      const response = await fetch(actionUrl, { method: 'DELETE' });
+      if (!response.ok) {
+        throw new Error('Server error');
+      }
+      await this.processResponse(response);
+    } catch (error) {
+      UIkit.modal.alert(`Failed to delete Service Node: ${error.message}`);
+    }
+  }
 }
 
 dtp.DtpSiteAdminHostStatsApp = DtpSiteAdminHostStatsApp;
\ No newline at end of file