From 12d5ed43a7376e0ca361160698f07066218d6ed2 Mon Sep 17 00:00:00 2001
From: Wu Cheng-Han
Date: Mon, 10 Oct 2016 21:04:24 +0800
Subject: Update to support delete note

---
 .../20161009040430-support-delete-note.js          | 11 ++++++++
 lib/models/note.js                                 |  1 +
 lib/realtime.js                                    | 29 ++++++++++++++++++++++
 public/js/index.js                                 | 15 ++++++++++-
 public/views/body.ejs                              | 22 ++++++++++++++++
 5 files changed, 77 insertions(+), 1 deletion(-)
 create mode 100644 lib/migrations/20161009040430-support-delete-note.js

diff --git a/lib/migrations/20161009040430-support-delete-note.js b/lib/migrations/20161009040430-support-delete-note.js
new file mode 100644
index 00000000..f478b6fe
--- /dev/null
+++ b/lib/migrations/20161009040430-support-delete-note.js
@@ -0,0 +1,11 @@
+'use strict';
+
+module.exports = {
+  up: function (queryInterface, Sequelize) {
+    queryInterface.addColumn('Notes', 'deletedAt', Sequelize.DATE);
+  },
+
+  down: function (queryInterface, Sequelize) {
+    queryInterface.removeColumn('Notes', 'deletedAt', Sequelize.DATE);
+  }
+};
diff --git a/lib/models/note.js b/lib/models/note.js
index 08ef083d..6efa5d4f 100644
--- a/lib/models/note.js
+++ b/lib/models/note.js
@@ -67,6 +67,7 @@ module.exports = function (sequelize, DataTypes) {
             type: DataTypes.DATE
         }
     }, {
+        paranoid: true,
         classMethods: {
             associate: function (models) {
                 Note.belongsTo(models.User, {
diff --git a/lib/realtime.js b/lib/realtime.js
index c6c9ffeb..0fcd2eaa 100644
--- a/lib/realtime.js
+++ b/lib/realtime.js
@@ -796,6 +796,35 @@ function connection(socket) {
         }
     });
 
+    // delete a note
+    socket.on('delete', function () {
+        //need login to do more actions
+        if (socket.request.user && socket.request.user.logged_in) {
+            var noteId = socket.noteId;
+            if (!noteId || !notes[noteId]) return;
+            var note = notes[noteId];
+            //Only owner can delete note
+            if (note.owner && note.owner == socket.request.user.id) {
+                models.Note.destroy({
+                    where: {
+                        id: noteId
+                    }
+                }).then(function (count) {
+                    if (!count) return;
+                    for (var i = 0, l = note.socks.length; i < l; i++) {
+                        var sock = note.socks[i];
+                        if (typeof sock !== 'undefined' && sock) {
+                            sock.emit('delete');
+                            return sock.disconnect(true);
+                        }
+                    }
+                }).catch(function (err) {
+                    return logger.error('delete note failed: ' + err);
+                });
+            }
+        }
+    });
+
     //reveiced when user logout or changed
     socket.on('user changed', function () {
         logger.info('user changed');
diff --git a/public/js/index.js b/public/js/index.js
index b139ad2a..63d7f3db 100644
--- a/public/js/index.js
+++ b/public/js/index.js
@@ -740,7 +740,8 @@ var ui = {
             editable: $(".ui-permission-editable"),
             locked: $(".ui-permission-locked"),
             private: $(".ui-permission-private")
-        }
+        },
+        delete: $(".ui-delete-note")
     },
     toc: {
         toc: $('.ui-toc'),
@@ -2115,6 +2116,13 @@ ui.infobar.permission.locked.click(function () {
 ui.infobar.permission.private.click(function () {
     emitPermission("private");
 });
+// delete note
+ui.infobar.delete.click(function () {
+    $('.delete-modal').modal('show');
+});
+$('.ui-delete-modal-confirm').click(function () {
+    socket.emit('delete');
+});
 
 function emitPermission(_permission) {
     if (_permission != permission) {
@@ -2216,6 +2224,11 @@ socket.on('error', function (data) {
     if (data.message && data.message.indexOf('AUTH failed') === 0)
         location.href = serverurl + "/403";
 });
+socket.on('delete', function () {
+    deleteServerHistory(noteid, function (err, data) {
+        if (!err) location.href = serverurl;
+    });
+});
 var retryOnDisconnect = false;
 var retryTimer = null;
 socket.on('maintenance', function () {
diff --git a/public/views/body.ejs b/public/views/body.ejs
index 0b56edbb..79f2544e 100644
--- a/public/views/body.ejs
+++ b/public/views/body.ejs
@@ -19,6 +19,8 @@
                         <li class="ui-permission-editable"><a><i class="fa fa-shield fa-fw"></i> Editable - Signed people can edit</a></li>
                         <li class="ui-permission-locked"><a><i class="fa fa-lock fa-fw"></i> Locked - Only owner can edit</a></li>
                         <li class="ui-permission-private"><a><i class="fa fa-hand-stop-o fa-fw"></i> Private - Only owner can view &amp; edit</a></li>
+                        <li class="divider"></li>
+                        <li class="ui-delete-note"><a><i class="fa fa-trash-o fa-fw"></i> Delete this note</a></li>
                     </ul>
                 </span>
                 <br>
@@ -220,6 +222,26 @@
         </div>
     </div>
 </div>
+<!-- delete modal -->
+<div class="modal fade delete-modal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
+    <div class="modal-dialog modal-sm">
+        <div class="modal-content">
+            <div class="modal-header">
+                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span>
+                </button>
+                <h4 class="modal-title" id="myModalLabel"><%= __('Are you sure?') %></h4>
+            </div>
+            <div class="modal-body" style="color:black;">
+                <h5 class="ui-delete-modal-msg">Do you really want to delete this note?</h5>
+                <strong class="ui-delete-modal-item">All users will lost their connection.</strong>
+            </div>
+            <div class="modal-footer">
+                <button type="button" class="btn btn-default" data-dismiss="modal"><%= __('Cancel') %></button>
+                <button type="button" class="btn btn-danger ui-delete-modal-confirm"><%= __('Yes, do it!') %></button>
+            </div>
+        </div>
+    </div>
+</div>
 <%- include refresh-modal %>
 <%- include signin-modal %>
 <%- include help-modal %>
-- 
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