From 7aa7526a17ea20c56b13c678bb274b29ef044af0 Mon Sep 17 00:00:00 2001
From: Mike Koch <mkoch227@gmail.com>
Date: Wed, 18 Oct 2017 22:00:00 -0400
Subject: [PATCH] Working on the uninstaller

---
 install/database-validation.php               | 256 +++++++++---------
 install/js/uninstall-script.js                | 157 +++++++++++
 install/mods-for-hesk/js/uninstall-scripts.js | 102 -------
 .../mods-for-hesk/uninstallModsForHesk.php    |  86 ------
 install/uninstall.php                         | 177 ++++++++++++
 5 files changed, 463 insertions(+), 315 deletions(-)
 create mode 100644 install/js/uninstall-script.js
 delete mode 100644 install/mods-for-hesk/js/uninstall-scripts.js
 delete mode 100644 install/mods-for-hesk/uninstallModsForHesk.php
 create mode 100644 install/uninstall.php

diff --git a/install/database-validation.php b/install/database-validation.php
index e26c45cf..4eaf4c8a 100644
--- a/install/database-validation.php
+++ b/install/database-validation.php
@@ -31,7 +31,7 @@ hesk_dbConnect();
     </div>
     <div class="panel panel-success" id="all-good" style="display: none">
         <div class="panel-heading">
-            <h4>Success</h4>
+            <h4>w00t!</h4>
         </div>
         <div class="panel-body text-center">
             <i class="fa fa-check-circle fa-4x" style="color: green"></i><br>
@@ -40,7 +40,7 @@ hesk_dbConnect();
     </div>
     <div class="panel panel-danger" id="not-good" style="display: none">
         <div class="panel-heading">
-            <h4>Failure</h4>
+            <h4>RIP</h4>
         </div>
         <div class="panel-body text-center">
             <i class="fa fa-times-circle fa-4x" style="color: red"></i><br>
@@ -65,145 +65,147 @@ hesk_dbConnect();
 
             output_header_row('1.0.0 - 1.3.x');
             $all_good = run_table_check('statuses');
-            $all_good = $all_good & run_column_check('statuses', 'ID');
-            $all_good = $all_good & run_column_check('statuses', 'TextColor');
-            $all_good = $all_good & run_column_check('statuses', 'IsNewTicketStatus');
-            $all_good = $all_good & run_column_check('statuses', 'IsClosed');
-            $all_good = $all_good & run_column_check('statuses', 'IsClosedByClient');
-            $all_good = $all_good & run_column_check('statuses', 'IsCustomerReplyStatus');
-            $all_good = $all_good & run_column_check('statuses', 'IsStaffClosedOption');
-            $all_good = $all_good & run_column_check('statuses', 'IsStaffReopenedStatus');
-            $all_good = $all_good & run_column_check('statuses', 'IsDefaultStaffReplyStatus');
-            $all_good = $all_good & run_column_check('statuses', 'LockedTicketStatus');
-            $all_good = $all_good & run_column_check('statuses', 'IsAutocloseOption');
-            $all_good = $all_good & run_column_check('statuses', 'Closable');
+            $all_good &= run_column_check('statuses', 'ID');
+            $all_good &= run_column_check('statuses', 'TextColor');
+            $all_good &= run_column_check('statuses', 'IsNewTicketStatus');
+            $all_good &= run_column_check('statuses', 'IsClosed');
+            $all_good &= run_column_check('statuses', 'IsClosedByClient');
+            $all_good &= run_column_check('statuses', 'IsCustomerReplyStatus');
+            $all_good &= run_column_check('statuses', 'IsStaffClosedOption');
+            $all_good &= run_column_check('statuses', 'IsStaffReopenedStatus');
+            $all_good &= run_column_check('statuses', 'IsDefaultStaffReplyStatus');
+            $all_good &= run_column_check('statuses', 'LockedTicketStatus');
             output_header_row('1.5.0');
-            $all_good = $all_good & run_column_check('users', 'active');
-            $all_good = $all_good & run_column_check('users', 'notify_note_unassigned');
+            $all_good &= run_column_check('users', 'active');
+            $all_good &= run_column_check('users', 'notify_note_unassigned');
             output_header_row('1.6.0');
-            $all_good = $all_good & run_table_check('settings');
+            $all_good &= run_table_check('settings');
             output_header_row('1.7.0');
-            $all_good = $all_good & run_table_check('verified_emails');
-            $all_good = $all_good & run_table_check('pending_verification_emails');
-            $all_good = $all_good & run_table_check('stage_tickets');
+            $all_good &= run_table_check('verified_emails');
+            $all_good &= run_table_check('pending_verification_emails');
+            $all_good &= run_table_check('stage_tickets');
+            output_header_row('2.2.0');
+            $all_good &= run_column_check('statuses', 'IsAutocloseOption');
+            $all_good &= run_column_check('statuses', 'Closable');
             output_header_row('2.3.0');
-            $all_good = $all_good & run_column_check('service_messages', 'icon');
-            $all_good = $all_good & run_column_check('statuses', 'Key');
-            $all_good = $all_good & run_column_check('tickets', 'latitude');
-            $all_good = $all_good & run_column_check('tickets', 'longitude');
-            $all_good = $all_good & run_column_check('stage_tickets', 'latitude');
-            $all_good = $all_good & run_column_check('stage_tickets', 'longitude');
-            $all_good = $all_good & run_column_check('categories', 'manager');
-            $all_good = $all_good & run_column_check('users', 'permission_template');
-            $all_good = $all_good & run_table_check('permission_templates');
-            $all_good = $all_good & run_column_check('permission_templates', 'id');
-            $all_good = $all_good & run_column_check('permission_templates', 'name');
-            $all_good = $all_good & run_column_check('permission_templates', 'heskprivileges');
-            $all_good = $all_good & run_column_check('permission_templates', 'categories');
+            $all_good &= run_column_check('service_messages', 'icon');
+            $all_good &= run_column_check('statuses', 'Key');
+            $all_good &= run_column_check('tickets', 'latitude');
+            $all_good &= run_column_check('tickets', 'longitude');
+            $all_good &= run_column_check('stage_tickets', 'latitude');
+            $all_good &= run_column_check('stage_tickets', 'longitude');
+            $all_good &= run_column_check('categories', 'manager');
+            $all_good &= run_column_check('users', 'permission_template');
+            $all_good &= run_table_check('permission_templates');
+            $all_good &= run_column_check('permission_templates', 'id');
+            $all_good &= run_column_check('permission_templates', 'name');
+            $all_good &= run_column_check('permission_templates', 'heskprivileges');
+            $all_good &= run_column_check('permission_templates', 'categories');
             output_header_row('2.4.0');
-            $all_good = $all_good & run_table_check('quick_help_sections');
-            $all_good = $all_good & run_column_check('quick_help_sections', 'id');
-            $all_good = $all_good & run_column_check('quick_help_sections', 'location');
-            $all_good = $all_good & run_column_check('quick_help_sections', 'show');
-            $all_good = $all_good & run_table_check('text_to_status_xref');
-            $all_good = $all_good & run_column_check('text_to_status_xref', 'id');
-            $all_good = $all_good & run_column_check('text_to_status_xref', 'language');
-            $all_good = $all_good & run_column_check('text_to_status_xref', 'text');
-            $all_good = $all_good & run_column_check('text_to_status_xref', 'status_id');
-            $all_good = $all_good & run_column_check('statuses', 'sort');
-            $all_good = $all_good & run_column_check('attachments', 'download_count');
-            $all_good = $all_good & run_column_check('kb_attachments', 'download_count');
-            $all_good = $all_good & run_column_check('tickets', 'html');
-            $all_good = $all_good & run_column_check('stage_tickets', 'html');
-            $all_good = $all_good & run_column_check('replies', 'html');
+            $all_good &= run_table_check('quick_help_sections');
+            $all_good &= run_column_check('quick_help_sections', 'id');
+            $all_good &= run_column_check('quick_help_sections', 'location');
+            $all_good &= run_column_check('quick_help_sections', 'show');
+            $all_good &= run_table_check('text_to_status_xref');
+            $all_good &= run_column_check('text_to_status_xref', 'id');
+            $all_good &= run_column_check('text_to_status_xref', 'language');
+            $all_good &= run_column_check('text_to_status_xref', 'text');
+            $all_good &= run_column_check('text_to_status_xref', 'status_id');
+            $all_good &= run_column_check('statuses', 'sort');
+            $all_good &= run_column_check('attachments', 'download_count');
+            $all_good &= run_column_check('kb_attachments', 'download_count');
+            $all_good &= run_column_check('tickets', 'html');
+            $all_good &= run_column_check('stage_tickets', 'html');
+            $all_good &= run_column_check('replies', 'html');
             output_header_row('2.5.0');
-            $all_good = $all_good & run_column_check('tickets', 'user_agent');
-            $all_good = $all_good & run_column_check('tickets', 'screen_resolution_width');
-            $all_good = $all_good & run_column_check('tickets', 'screen_resolution_height');
-            $all_good = $all_good & run_column_check('stage_tickets', 'user_agent');
-            $all_good = $all_good & run_column_check('stage_tickets', 'screen_resolution_width');
-            $all_good = $all_good & run_column_check('stage_tickets', 'screen_resolution_height');
+            $all_good &= run_column_check('tickets', 'user_agent');
+            $all_good &= run_column_check('tickets', 'screen_resolution_width');
+            $all_good &= run_column_check('tickets', 'screen_resolution_height');
+            $all_good &= run_column_check('stage_tickets', 'user_agent');
+            $all_good &= run_column_check('stage_tickets', 'screen_resolution_width');
+            $all_good &= run_column_check('stage_tickets', 'screen_resolution_height');
             output_header_row('2.6.0');
-            $all_good = $all_good & run_table_check('logging');
-            $all_good = $all_good & run_column_check('logging', 'id');
-            $all_good = $all_good & run_column_check('logging', 'username');
-            $all_good = $all_good & run_column_check('logging', 'message');
-            $all_good = $all_good & run_column_check('logging', 'severity');
-            $all_good = $all_good & run_column_check('logging', 'location');
-            $all_good = $all_good & run_column_check('logging', 'timestamp');
-            $all_good = $all_good & run_table_check('user_api_tokens');
-            $all_good = $all_good & run_column_check('user_api_tokens', 'id');
-            $all_good = $all_good & run_column_check('user_api_tokens', 'user_id');
-            $all_good = $all_good & run_column_check('user_api_tokens', 'token');
-            $all_good = $all_good & run_table_check('temp_attachment');
-            $all_good = $all_good & run_column_check('temp_attachment', 'id');
-            $all_good = $all_good & run_column_check('temp_attachment', 'file_name');
-            $all_good = $all_good & run_column_check('temp_attachment', 'saved_name');
-            $all_good = $all_good & run_column_check('temp_attachment', 'size');
-            $all_good = $all_good & run_column_check('temp_attachment', 'type');
-            $all_good = $all_good & run_column_check('temp_attachment', 'date_uploaded');
-            $all_good = $all_good & run_table_check('calendar_event');
-            $all_good = $all_good & run_column_check('calendar_event', 'id');
-            $all_good = $all_good & run_column_check('calendar_event', 'start');
-            $all_good = $all_good & run_column_check('calendar_event', 'end');
-            $all_good = $all_good & run_column_check('calendar_event', 'all_day');
-            $all_good = $all_good & run_column_check('calendar_event', 'name');
-            $all_good = $all_good & run_column_check('calendar_event', 'location');
-            $all_good = $all_good & run_column_check('calendar_event', 'comments');
-            $all_good = $all_good & run_column_check('calendar_event', 'category');
-            $all_good = $all_good & run_table_check('calendar_event_reminder');
-            $all_good = $all_good & run_column_check('calendar_event_reminder', 'id');
-            $all_good = $all_good & run_column_check('calendar_event_reminder', 'user_id');
-            $all_good = $all_good & run_column_check('calendar_event_reminder', 'event_id');
-            $all_good = $all_good & run_column_check('calendar_event_reminder', 'amount');
-            $all_good = $all_good & run_column_check('calendar_event_reminder', 'unit');
-            $all_good = $all_good & run_column_check('calendar_event_reminder', 'email_sent');
-            $all_good = $all_good & run_column_check('tickets', 'due_date');
-            $all_good = $all_good & run_column_check('tickets', 'overdue_email_sent');
-            $all_good = $all_good & run_column_check('categories', 'usage');
-            $all_good = $all_good & run_column_check('users', 'notify_overdue_unassigned');
-            $all_good = $all_good & run_column_check('users', 'default_calendar_view');
+            $all_good &= run_table_check('logging');
+            $all_good &= run_column_check('logging', 'id');
+            $all_good &= run_column_check('logging', 'username');
+            $all_good &= run_column_check('logging', 'message');
+            $all_good &= run_column_check('logging', 'severity');
+            $all_good &= run_column_check('logging', 'location');
+            $all_good &= run_column_check('logging', 'timestamp');
+            $all_good &= run_table_check('user_api_tokens');
+            $all_good &= run_column_check('user_api_tokens', 'id');
+            $all_good &= run_column_check('user_api_tokens', 'user_id');
+            $all_good &= run_column_check('user_api_tokens', 'token');
+            $all_good &= run_table_check('temp_attachment');
+            $all_good &= run_column_check('temp_attachment', 'id');
+            $all_good &= run_column_check('temp_attachment', 'file_name');
+            $all_good &= run_column_check('temp_attachment', 'saved_name');
+            $all_good &= run_column_check('temp_attachment', 'size');
+            $all_good &= run_column_check('temp_attachment', 'type');
+            $all_good &= run_column_check('temp_attachment', 'date_uploaded');
+            $all_good &= run_table_check('calendar_event');
+            $all_good &= run_column_check('calendar_event', 'id');
+            $all_good &= run_column_check('calendar_event', 'start');
+            $all_good &= run_column_check('calendar_event', 'end');
+            $all_good &= run_column_check('calendar_event', 'all_day');
+            $all_good &= run_column_check('calendar_event', 'name');
+            $all_good &= run_column_check('calendar_event', 'location');
+            $all_good &= run_column_check('calendar_event', 'comments');
+            $all_good &= run_column_check('calendar_event', 'category');
+            $all_good &= run_table_check('calendar_event_reminder');
+            $all_good &= run_column_check('calendar_event_reminder', 'id');
+            $all_good &= run_column_check('calendar_event_reminder', 'user_id');
+            $all_good &= run_column_check('calendar_event_reminder', 'event_id');
+            $all_good &= run_column_check('calendar_event_reminder', 'amount');
+            $all_good &= run_column_check('calendar_event_reminder', 'unit');
+            $all_good &= run_column_check('calendar_event_reminder', 'email_sent');
+            $all_good &= run_column_check('tickets', 'due_date');
+            $all_good &= run_column_check('tickets', 'overdue_email_sent');
+            $all_good &= run_column_check('categories', 'usage');
+            $all_good &= run_column_check('users', 'notify_overdue_unassigned');
+            $all_good &= run_column_check('users', 'default_calendar_view');
             output_header_row('2.6.2');
-            $all_good = $all_good & run_column_check('stage_tickets', 'due_date');
-            $all_good = $all_good & run_column_check('stage_tickets', 'overdue_email_sent');
+            $all_good &= run_column_check('stage_tickets', 'due_date');
+            $all_good &= run_column_check('stage_tickets', 'overdue_email_sent');
             output_header_row('3.1.0');
-            $all_good = $all_good & run_column_check('categories', 'background_color');
-            $all_good = $all_good & run_column_check('categories', 'foreground_color');
-            $all_good = $all_good & run_column_check('categories', 'display_border_outline');
-            $all_good = $all_good & run_column_check('logging', 'stack_trace');
-            $all_good = $all_good & run_table_check('custom_nav_element');
-            $all_good = $all_good & run_column_check('custom_nav_element', 'id');
-            $all_good = $all_good & run_column_check('custom_nav_element', 'image_url');
-            $all_good = $all_good & run_column_check('custom_nav_element', 'font_icon');
-            $all_good = $all_good & run_column_check('custom_nav_element', 'place');
-            $all_good = $all_good & run_column_check('custom_nav_element', 'url');
-            $all_good = $all_good & run_column_check('custom_nav_element', 'sort');
-            $all_good = $all_good & run_table_check('custom_nav_element_to_text');
-            $all_good = $all_good & run_column_check('custom_nav_element_to_text', 'id');
-            $all_good = $all_good & run_column_check('custom_nav_element_to_text', 'nav_element_id');
-            $all_good = $all_good & run_column_check('custom_nav_element_to_text', 'language');
-            $all_good = $all_good & run_column_check('custom_nav_element_to_text', 'text');
-            $all_good = $all_good & run_column_check('custom_nav_element_to_text', 'subtext');
-            $all_good = $all_good & run_setting_check('admin_navbar_background');
-            $all_good = $all_good & run_setting_check('admin_navbar_background_hover');
-            $all_good = $all_good & run_setting_check('admin_navbar_text');
-            $all_good = $all_good & run_setting_check('admin_navbar_text_hover');
-            $all_good = $all_good & run_setting_check('admin_navbar_brand_background');
-            $all_good = $all_good & run_setting_check('admin_navbar_brand_background_hover');
-            $all_good = $all_good & run_setting_check('admin_navbar_brand_text');
-            $all_good = $all_good & run_setting_check('admin_navbar_brand_text_hover');
-            $all_good = $all_good & run_setting_check('admin_sidebar_background');
-            $all_good = $all_good & run_setting_check('admin_sidebar_background_hover');
-            $all_good = $all_good & run_setting_check('admin_sidebar_text');
-            $all_good = $all_good & run_setting_check('admin_sidebar_text_hover');
-            $all_good = $all_good & run_setting_check('admin_sidebar_font_weight');
-            $all_good = $all_good & run_setting_check('admin_sidebar_header_background');
-            $all_good = $all_good & run_setting_check('admin_sidebar_header_text');
+            $all_good &= run_column_check('categories', 'background_color');
+            $all_good &= run_column_check('categories', 'foreground_color');
+            $all_good &= run_column_check('categories', 'display_border_outline');
+            $all_good &= run_column_check('logging', 'stack_trace');
+            $all_good &= run_table_check('custom_nav_element');
+            $all_good &= run_column_check('custom_nav_element', 'id');
+            $all_good &= run_column_check('custom_nav_element', 'image_url');
+            $all_good &= run_column_check('custom_nav_element', 'font_icon');
+            $all_good &= run_column_check('custom_nav_element', 'place');
+            $all_good &= run_column_check('custom_nav_element', 'url');
+            $all_good &= run_column_check('custom_nav_element', 'sort');
+            $all_good &= run_table_check('custom_nav_element_to_text');
+            $all_good &= run_column_check('custom_nav_element_to_text', 'id');
+            $all_good &= run_column_check('custom_nav_element_to_text', 'nav_element_id');
+            $all_good &= run_column_check('custom_nav_element_to_text', 'language');
+            $all_good &= run_column_check('custom_nav_element_to_text', 'text');
+            $all_good &= run_column_check('custom_nav_element_to_text', 'subtext');
+            $all_good &= run_setting_check('admin_navbar_background');
+            $all_good &= run_setting_check('admin_navbar_background_hover');
+            $all_good &= run_setting_check('admin_navbar_text');
+            $all_good &= run_setting_check('admin_navbar_text_hover');
+            $all_good &= run_setting_check('admin_navbar_brand_background');
+            $all_good &= run_setting_check('admin_navbar_brand_background_hover');
+            $all_good &= run_setting_check('admin_navbar_brand_text');
+            $all_good &= run_setting_check('admin_navbar_brand_text_hover');
+            $all_good &= run_setting_check('admin_sidebar_background');
+            $all_good &= run_setting_check('admin_sidebar_background_hover');
+            $all_good &= run_setting_check('admin_sidebar_text');
+            $all_good &= run_setting_check('admin_sidebar_text_hover');
+            $all_good &= run_setting_check('admin_sidebar_font_weight');
+            $all_good &= run_setting_check('admin_sidebar_header_background');
+            $all_good &= run_setting_check('admin_sidebar_header_text');
             output_header_row('3.2.0');
             $all_good &= run_table_check('audit_trail');
             $all_good &= run_table_check('audit_trail_to_replacement_values');
             $all_good &= run_column_check('categories', 'mfh_description');
             $all_good &= run_column_check('custom_fields', 'mfh_description');
+            $all_good &= run_setting_check('migrationNumber');
 
             if ($all_good) {
                 echo "<script>$('#all-good').show()</script>";
diff --git a/install/js/uninstall-script.js b/install/js/uninstall-script.js
new file mode 100644
index 00000000..5e088c8d
--- /dev/null
+++ b/install/js/uninstall-script.js
@@ -0,0 +1,157 @@
+var steps = [
+    {
+        name: 'intro',
+        text: 'Uninstall',
+        callback: undefined
+    },
+    {
+        name: 'db-confirm',
+        text: 'Confirm the information below',
+        callback: undefined
+    },
+    {
+        name: 'uninstall',
+        text: 'Uninstalling...',
+        showBack: false,
+        showNext: false,
+        callback: uninstall
+    },
+    {
+        name: 'complete',
+        text: 'Uninstall Process Complete',
+        showBack: false,
+        callback: undefined
+    }
+];
+
+$(document).ready(function() {
+    var currentStep = 0;
+
+    $('#next-button').click(function() {
+        goToStep(++currentStep);
+    });
+
+    $('#back-button').click(function() {
+        goToStep(--currentStep);
+    });
+});
+
+function goToStep(step) {
+    $('[data-step]').hide();
+    $('[data-step="' + steps[step].name + '"]').show();
+
+    if (step === 0) {
+        $('#tools-button').show();
+        $('#back-button').hide();
+    } else {
+        $('#tools-button').hide();
+        $('#back-button').show();
+    }
+
+    if (step === steps.length - 1) {
+        $('#next-button').hide();
+    } else {
+        $('#next-button').show();
+    }
+
+    // Back/Next button overrides
+    if (steps[step].showBack !== undefined && !steps[step].showBack) {
+        $('#back-button').hide();
+    }
+    if (steps[step].showNext !== undefined && !steps[step].showNext) {
+        console.log('hiding this');
+        $('#next-button').hide();
+    }
+
+    $('#header-text').text(steps[step].text);
+
+    if (steps[step].callback !== undefined) {
+        steps[step].callback();
+    }
+}
+
+function uninstall() {
+    var startingMigrationNumber = parseInt($('input[name="starting-migration-number"]').val());
+
+    var heskPath = $('p#hesk-path').text();
+
+    $.ajax({
+        url: heskPath + 'install/ajax/get-migration-ajax.php',
+        method: 'GET',
+        success: function(data) {
+            data = JSON.parse(data);
+
+            $('[data-step="install-or-update"] > #spinner').hide();
+            $('[data-step="install-or-update"] > .progress').show();
+
+            // Recursive call that will increment by 1 each time
+            executeMigration(startingMigrationNumber, 1, 'down');
+        }
+    })
+}
+
+function executeMigration(migrationNumber, latestMigrationNumber, direction) {
+    var heskPath = $('p#hesk-path').text();
+
+    $.ajax({
+        url: heskPath + 'install/ajax/process-migration.php',
+        method: 'POST',
+        data: JSON.stringify({
+            migrationNumber: migrationNumber,
+            direction: direction
+        }),
+        success: function(data) {
+            console.log('migrationNumber: ' + migrationNumber);
+            console.log('latestMigrationNumber: ' + latestMigrationNumber);
+            console.info('---');
+            if (migrationNumber === latestMigrationNumber || (migrationNumber === 1 && direction === 'down')) {
+                updateProgressBar(migrationNumber, latestMigrationNumber, direction === 'down', true);
+                console.log('%c Success! ', 'color: white; background-color: green; font-size: 2em');
+            } else {
+                updateProgressBar(migrationNumber, latestMigrationNumber, false, false);
+                var newMigrationNumber = direction === 'up' ? migrationNumber + 1 : migrationNumber - 1;
+                executeMigration(newMigrationNumber, latestMigrationNumber, direction);
+            }
+        },
+        error: function(response) {
+            try {
+                message = JSON.parse(response);
+            } catch (e) {
+                message = response.responseText;
+            }
+            $errorBlock = $('#error-block');
+            $errorBlock.html($errorBlock.html() + "<br><br>An error occurred! (Error Code: " + migrationNumber + ")<br>" + message).show();
+
+            updateProgressBar(migrationNumber, latestMigrationNumber, true, false);
+
+            if (direction === 'up') {
+                // Revert!
+                executeMigration(migrationNumber - 1, latestMigrationNumber, 'down');
+            } else {
+                console.error("I even failed to roll back. Yikes! :'(");
+            }
+            console.error(message);
+        }
+    })
+}
+
+function updateProgressBar(migrationNumber, latestMigrationNumber, isError, isFinished) {
+    var $progressBar = $('#progress-bar');
+
+    if (isError === true) {
+        $progressBar.find('.progress-bar').removeClass('progress-bar-success')
+            .addClass('progress-bar-danger');
+
+        if (isFinished) {
+            var $errorBlock = $('#error-block');
+            $errorBlock.html($errorBlock.html() + '<br><br>Successfully reverted database to before uninstalling.');
+        }
+    } else {
+        var percentage = Math.round(migrationNumber / latestMigrationNumber * 100);
+        $progressBar.find('.progress-bar').css('width', percentage + '%');
+    }
+
+    if (isFinished && !isError) {
+        goToStep(steps.length - 1);
+    }
+}
\ No newline at end of file
diff --git a/install/mods-for-hesk/js/uninstall-scripts.js b/install/mods-for-hesk/js/uninstall-scripts.js
deleted file mode 100644
index bf896f34..00000000
--- a/install/mods-for-hesk/js/uninstall-scripts.js
+++ /dev/null
@@ -1,102 +0,0 @@
-function getTasks() {
-    return ['status-change', 'drop-columns'];
-}
-
-function processUninstallation() {
-    var tasks = getTasks();
-    //-- Change status column to default HESK values
-    tasks.forEach(function (task) {
-        startUninstallation(task);
-        executeUninstallation(task);
-    });
-}
-function startUninstallation(task) {
-    $('#spinner-' + task)
-        .removeClass('fa-exclamation-triangle')
-        .addClass('fa-spinner')
-        .addClass('fa-pulse');
-    changeRowTo('row', task, 'info');
-    changeTextTo('span', task, 'In Progress');
-}
-
-function changeTextTo(prefix, task, text) {
-    $('#' + prefix + '-' + task).text(text);
-}
-
-function changeRowTo(prefix, task, clazz) {
-    //-- Remove all classes
-    $('#' + prefix + '-' + task)
-        .removeClass('info')
-        .removeClass('warning')
-        .removeClass('danger')
-        .removeClass('success');
-
-    //-- Re-add the requested class
-    $('#' + prefix + '-' + task).addClass(clazz);
-}
-
-function executeUninstallation(task) {
-    appendToInstallConsole('<tr><td><span class="label label-info">INFO</span></td><td>Starting task code: ' + task + '</td></tr>');
-    $.ajax({
-        type: 'POST',
-        url: 'ajax/uninstall-database-ajax.php',
-        data: {task: task},
-        success: function (data) {
-            markUninstallAsSuccess(task);
-            checkForCompletion();
-        },
-        error: function (data) {
-            if (data.status == 400) {
-                appendToInstallConsole('<tr><td><span class="label label-danger">ERROR</span></td><td>The task <code>' + task + '</code> was not recognized. Check the value submitted and try again.</td></tr>');
-            } else {
-                appendToInstallConsole('<tr><td><span class="label label-danger">ERROR</span></td><td>' + data.responseText + '</td></tr>');
-            }
-            markUninstallAsFailure(task);
-        }
-    });
-}
-
-function checkForCompletion() {
-    // If all rows have a .success row, installation is finished
-    var numberOfTasks = getTasks().length;
-    var numberOfCompletions = $('tr.success').length;
-    if (numberOfTasks == numberOfCompletions) {
-        uninstallationFinished();
-    }
-}
-
-function uninstallationFinished() {
-    appendToInstallConsole('<tr><td><span class="label label-success">SUCCESS</span></td><td>Uninstallation complete</td></tr>');
-    var output = '<div class="panel-body">' +
-        '<div class="col-md-12 text-center">' +
-        '<i class="fa fa-check-circle fa-4x" style="color: #008000"></i><br><br>' +
-        '<h4>Awesome! The automated portion of uninstalling Mods for HESK has completed. ' +
-        'Please follow <a href="http://mods-for-hesk.mkochcs.com/uninstall-instructions.php" target="_blank">these instructions</a> ' +
-        'on the Mods for HESK website to finish uninstallation.</h4>' +
-        '</div>' +
-        '</div>';
-    $('#uninstall-information').html(output);
-}
-
-function markUninstallAsSuccess(task) {
-    removeSpinner(task);
-    $('#spinner-' + task).addClass('fa-check-circle');
-    changeTextTo('span', task, 'Completed Successfully');
-    changeRowTo('row', task, 'success');
-    appendToInstallConsole('<tr><td><span class="label label-success">SUCCESS</span></td><td>Uninstall for task code: <code>' + task + '</code> complete</td></tr>');
-}
-
-function markUninstallAsFailure(task) {
-    removeSpinner(task);
-    $('#spinner-' + task).addClass('fa-times-circle');
-    changeRowTo('row', task, 'danger');
-    changeTextTo('span', task, 'Uninstall failed! Check the console for more information');
-}
-
-function removeSpinner(task) {
-    $('#spinner-' + task)
-        .removeClass('fa-pulse')
-        .removeClass('fa-spinner');
-}
-
-jQuery(document).ready(loadJquery);
\ No newline at end of file
diff --git a/install/mods-for-hesk/uninstallModsForHesk.php b/install/mods-for-hesk/uninstallModsForHesk.php
deleted file mode 100644
index 2f6bc4c9..00000000
--- a/install/mods-for-hesk/uninstallModsForHesk.php
+++ /dev/null
@@ -1,86 +0,0 @@
-<?php
-define('IN_SCRIPT', 1);
-define('HESK_PATH', '../../');
-require(HESK_PATH . 'install/install_functions.inc.php');
-require(HESK_PATH . 'hesk_settings.inc.php');
-
-function echoTaskRows()
-{
-    printUninstallRow('Remove custom statuses', 'status-change');
-    printUninstallRow('Reset other tables', 'drop-columns');
-}
-
-function printUninstallRow($text, $id)
-{
-    echo '<tr id="row-' . $id . '">';
-    echo '<td>' . $text . '</td>';
-    echo '<td><i id="spinner-' . $id . '" class="fa fa-spinner"></i> <span id="span-' . $id . '">Waiting...</span></td>';
-    echo '</tr>';
-}
-
-?>
-<html>
-<head>
-    <title>Uninstalling Mods for HESK</title>
-    <link href="../../hesk_style.css?<?php echo HESK_NEW_VERSION; ?>" type="text/css" rel="stylesheet"/>
-    <link href="<?php echo HESK_PATH; ?>css/bootstrap.css?v=<?php echo $hesk_settings['hesk_version']; ?>"
-          type="text/css" rel="stylesheet"/>
-    <link href="<?php echo HESK_PATH; ?>css/bootstrap-theme.css?v=<?php echo $hesk_settings['hesk_version']; ?>"
-          type="text/css" rel="stylesheet"/>
-    <link href="//netdna.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css" rel="stylesheet">
-    <link href="../../css/hesk_newStyle.css" type="text/css" rel="stylesheet"/>
-    <script src="<?php echo HESK_PATH; ?>js/jquery-1.10.2.min.js"></script>
-    <script language="Javascript" type="text/javascript" src="<?php echo HESK_PATH; ?>js/bootstrap.min.js"></script>
-    <script language="Javascript" type="text/javascript"
-            src="<?php echo HESK_PATH; ?>js/modsForHesk-javascript.js"></script>
-    <script language="JavaScript" type="text/javascript"
-            src="<?php echo HESK_PATH; ?>install/mods-for-hesk/js/ui-scripts.js"></script>
-    <script language="JavaScript" type="text/javascript"
-            src="<?php echo HESK_PATH; ?>install/mods-for-hesk/js/uninstall-scripts.js"></script>
-    <script language="JavaScript" type="text/javascript"
-            src="<?php echo HESK_PATH; ?>js/bootstrap-datepicker.js"></script>
-</head>
-<body>
-<div class="headersm">Uninstalling Mods for HESK</div>
-<div class="container">
-    <div class="page-header">
-        <h1>Uninstalling Mods for HESK</h1>
-    </div>
-    <div class="row">
-        <div class="col-sm-12">
-            <div class="panel panel-default">
-                <div class="panel-heading">Uninstallation Progress</div>
-                <div id="uninstall-information">
-                    <table class="table table-striped" style="table-layout:fixed;">
-                        <thead>
-                        <?php echoTaskRows(); ?>
-                        </tbody>
-                    </table>
-                </div>
-            </div>
-        </div>
-    </div>
-    <div class="row">
-        <div class="col-sm-12">
-            <div class="panel panel-default">
-                <div class="panel-heading">Console</div>
-                <div style="max-height: 400px; overflow: auto;">
-                    <table class="table table-striped">
-                        <thead>
-                        <tr>
-                            <th>Severity</th>
-                            <th>Message</th>
-                        </tr>
-                        </thead>
-                        <tbody id="consoleBody"></tbody>
-                    </table>
-                </div>
-            </div>
-        </div>
-    </div>
-</div>
-<script>
-    processUninstallation();
-</script>
-</body>
-</html>
\ No newline at end of file
diff --git a/install/uninstall.php b/install/uninstall.php
new file mode 100644
index 00000000..7fd08339
--- /dev/null
+++ b/install/uninstall.php
@@ -0,0 +1,177 @@
+<?php
+define('IN_SCRIPT', 1);
+define('HESK_PATH', '../');
+require(HESK_PATH . 'install/install_functions.inc.php');
+require(HESK_PATH . 'hesk_settings.inc.php');
+
+hesk_dbConnect();
+
+/*
+We have four possible installation scenarios:
+
+1. The user isn't running 3.2.0 or later; do a smart uninstall based on the migration map
+2. The user is running 3.2.0 or later; use the migrationNumber
+ */
+
+$tableSql = hesk_dbQuery("SHOW TABLES LIKE '" . hesk_dbEscape($hesk_settings['db_pfix']) . "settings'");
+$startingMigrationNumber = -1;
+if (hesk_dbNumRows($tableSql) > 0) {
+    // They have installed at LEAST to version 1.6.0. Just pull the version number OR migration number
+    $migrationNumberSql = hesk_dbQuery("SELECT `Value` FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "settings` WHERE `Key` = 'migrationNumber'");
+    if ($migrationRow = hesk_dbFetchAssoc($migrationNumberSql)) {
+        $startingMigrationNumber = intval($migrationRow['Value']);
+    } else {
+        $versionSql = hesk_dbQuery("SELECT `Value` FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "settings` WHERE `Key` = 'modsForHeskVersion'");
+        $versionRow = hesk_dbFetchAssoc($versionSql);
+
+        $migration_map = array(
+            // Pre-1.4.0 to 1.5.0 did not have a settings table
+            '1.6.0' => 15, '1.6.1' => 16, '1.7.0' => 20, '2.0.0' => 26, '2.0.1' => 27, '2.1.0' => 28, '2.1.1' => 30,
+            '2.2.0' => 33, '2.2.1' => 34, '2.3.0' => 40, '2.3.1' => 41, '2.3.2' => 42, '2.4.0' => 47, '2.4.1' => 48,
+            '2.4.2' => 49, '2.5.0' => 53, '2.5.1' => 54, '2.5.2' => 55, '2.5.3' => 56, '2.5.4' => 57, '2.5.5' => 58,
+            '2.6.0' => 65, '2.6.1' => 66, '2.6.2' => 68, '2.6.3' => 69, '2.6.4' => 70, '3.0.0' => 74, '3.0.1' => 75,
+            '3.0.2' => 77, '3.0.3' => 78, '3.0.4' => 79, '3.0.5' => 80, '3.0.6' => 81, '3.0.7' => 82, '3.1.0' => 89,
+            '3.1.1' => 90
+        );
+        $startingMigrationNumber = $migration_map[$versionRow['Value']];
+    }
+} else {
+    // migration # => sql for checking
+    $versionChecks = array(
+        // 1.5.0 -> users.active
+        8 => "SHOW COLUMNS FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "users` LIKE 'active'",
+        // 1.4.1 -> denied_emails
+        5 => "SHOW TABLES LIKE '" . hesk_dbEscape($hesk_settings['db_pfix']) . "denied_emails'",
+        // 1.4.0 -> denied ips
+        3 => "SHOW TABLES LIKE '" . hesk_dbEscape($hesk_settings['db_pfix']) . "denied_ips'",
+        // Pre-1.4.0 but still something -> statuses
+        1 => "SHOW TABLES LIKE '" . hesk_dbEscape($hesk_settings['db_pfix']) . "statuses'"
+    );
+
+    foreach ($versionChecks as $migrationNumber => $sql) {
+        $rs = hesk_dbQuery($sql);
+        if (hesk_dbNumRows($rs) > 0) {
+            $startingMigrationNumber = $migrationNumber;
+            break;
+        }
+    }
+}
+?>
+<html>
+<head>
+    <title>Mods for HESK <?php echo MODS_FOR_HESK_NEW_VERSION; ?> Install / Upgrade</title>
+    <link href="<?php echo HESK_PATH; ?>css/bootstrap.css?v=<?php echo $hesk_settings['hesk_version']; ?>"
+          type="text/css" rel="stylesheet"/>
+    <link href="//netdna.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css" rel="stylesheet">
+    <link href="<?php echo HESK_PATH; ?>css/AdminLTE.min.css" type="text/css" rel="stylesheet">
+    <link href="<?php echo HESK_PATH; ?>css/mods-for-hesk-new.css" type="text/css" rel="stylesheet">
+    <link href="<?php echo HESK_PATH; ?>css/colors.css" type="text/css" rel="stylesheet">
+    <script src="<?php echo HESK_PATH; ?>js/jquery-1.10.2.min.js"></script>
+    <script language="Javascript" type="text/javascript" src="<?php echo HESK_PATH; ?>js/bootstrap.min.js"></script>
+    <script language="JavaScript" type="text/javascript" src="<?php echo HESK_PATH; ?>install/js/uninstall-script.js"></script>
+    <style>
+        body, .login-box-background {
+            background: url('<?php echo HESK_PATH; ?>install/background.jpg') no-repeat center center fixed;
+            background-size: cover;
+        }
+    </style>
+</head>
+<body class="fixed" style="min-height: initial;">
+<div class="login-box installer-login-box">
+    <div class="login-box-container">
+        <div class="login-box-background"></div>
+        <div class="login-box-body">
+            <div class="login-logo">
+                <img src="<?php echo HESK_PATH; ?>install/logo.png" alt="Mods for HESK logo"><br>
+                <span id="header-text">Uninstall</span>
+            </div>
+            <?php // BEGIN INSTALL SCREENS ?>
+            <div data-step="intro" class="login-box-msg">
+                <h4>I hoped you wouldn't be here, but let's continue anyway. 😭</h4>
+                <div class="checkbox">
+                    <label>
+                        <input type="checkbox" name="usage-stats" checked>
+                        Submit anonymous usage statistics
+                    </label>
+                </div>
+            </div>
+            <div data-step="db-confirm" style="display: none">
+                <table class="table table-striped" style="background: #fff">
+                    <thead>
+                    <tr>
+                        <th colspan="4">Database Information / File Permissions</th>
+                    </tr>
+                    </thead>
+                    <tbody>
+                    <tr>
+                        <td>Database Host:</td>
+                        <td><?php echo $hesk_settings['db_host']; ?></td>
+                        <td>Database Name:</td>
+                        <td><?php echo $hesk_settings['db_name']; ?></td>
+                    </tr>
+                    <tr>
+                        <td>Database User:</td>
+                        <td><?php echo $hesk_settings['db_user']; ?></td>
+                        <td>Database Password:</td>
+                        <td><?php echo $hesk_settings['db_pass']; ?></td>
+                    </tr>
+                    <tr>
+                        <td>Database Prefix:</td>
+                        <td><?php echo $hesk_settings['db_pfix']; ?></td>
+                        <td>&nbsp;</td>
+                        <td>&nbsp;</td>
+                    </tr>
+                    </tbody>
+                </table>
+            </div>
+            <div data-step="uninstall" class="text-center" style="display: none">
+                <div id="spinner">
+                    <i class="fa fa-spin fa-spinner fa-4x"></i>
+                    <h4>Initializing...</h4>
+                </div>
+                <div id="progress-bar" class="progress" style="display: none">
+                    <div class="progress-bar progress-bar-success progress-bar-striped active" role="progressbar" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100"
+                         style="width: 0">
+                    </div>
+                </div>
+                <br>
+                <div id="error-block" class="well" style="display: none; font-family: 'Courier New', Courier, monospace">
+                </div>
+                <input type="hidden" name="starting-migration-number" value="<?php echo $startingMigrationNumber; ?>">
+            </div>
+            <div data-step="complete" class="text-center" style="display: none">
+                <i class="fa fa-check-circle fa-4x" style="color: green"></i><br><br>
+                <h4>Make sure to delete your <code>/install</code> folder.</h4>
+                <br>
+            </div>
+            <?php // END INSTALL SCREENS ?>
+            <div id="buttons">
+                <div class="btn btn-primary" id="back-button" style="display: none;"><i class="fa fa-chevron-left"></i>&nbsp;&nbsp;&nbsp;Back</div>
+                <div class="btn btn-primary pull-right" id="next-button">Next&nbsp;&nbsp;&nbsp;<i class="fa fa-chevron-right"></i></div>
+            </div>
+        </div>
+    </div>
+</div>
+<!-- Modal -->
+<div class="modal fade" id="uninstallModal" tabindex="-1" role="dialog" aria-labelledby="uninstallModalLabel"
+     aria-hidden="true">
+    <div class="modal-dialog">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h4 class="modal-title" id="uninstallModalTitle"><i class="fa fa-trash"></i> Uninstall Mods for HESK
+                </h4>
+            </div>
+            <div class="modal-body">
+                <p>Are you sure you want to uninstall Mods for HESK?</p>
+            </div>
+            <div class="modal-footer">
+                <a class="btn btn-success" href="<?php echo HESK_PATH; ?>install/uninstallModsForHesk.php"><i class="fa fa-check"></i> Yes</a>
+                <button type="button" class="btn btn-danger" data-dismiss="modal"><i class="fa fa-times"></i> No
+                </button>
+            </div>
+        </div>
+    </div>
+</div>
+<p id="hesk-path" style="display: none"><?php echo HESK_PATH; ?></p>
+</body>
+</html>
\ No newline at end of file