Reinstall feature

- implemented reinstall in Settings > Advanced
- shorten placeholder for Form name input

lib/Config/Activator.php

@@ -23,4 +23,9 @@ class Activator {
     $populator = new Populator();
     $populator->up();
   }
+
+  function deactivate() {
+    $migrator = new Migrator();
+    $migrator->down();
+  }
 }

lib/Config/Analytics.php

@@ -10,7 +10,8 @@ class Analytics {
   }
 
   function init() {
-    add_action('admin_enqueue_scripts', array($this, 'setupAdminDependencies'));
+    // review: this creates a fatal error when mailpoet tables are dropped.
+    //add_action('admin_enqueue_scripts', array($this, 'setupAdminDependencies'));
   }
 
   function setupAdminDependencies() {

lib/Config/Initializer.php

@@ -113,6 +113,7 @@ class Initializer {
   }
 
   function setupAnalytics() {
+
     $widget = new Analytics();
     $widget->init();
   }

lib/Config/Migrator.php

@@ -41,7 +41,7 @@ class Migrator {
   function down() {
     global $wpdb;
 
-    $drop_table = function($model) {
+    $drop_table = function($model) use($wpdb) {
       $table = $this->prefix . $model;
       $wpdb->query("DROP TABLE {$table}");
     };

lib/Router/Setup.php

@@ -0,0 +1,25 @@
+<?php
+namespace MailPoet\Router;
+use \MailPoet\Config\Activator;
+use \MailPoet\Models\Setting;
+
+if(!defined('ABSPATH')) exit;
+
+class Setup {
+  function __construct() {
+  }
+
+  function reset() {
+    try {
+      $activator = new Activator();
+      $activator->deactivate();
+      $activator->activate();
+      $result = true;
+    } catch(Exception $e) {
+      $result = false;
+    }
+    wp_send_json(array(
+      'result' => $result
+    ));
+  }
+}

views/form/editor.html

@@ -4,7 +4,7 @@
   <h2 class="title">
     <input
       type="text"
-      placeholder="<%= __('Click to change the form name!') %>"
+      placeholder="<%= __('Click to change the name!') %>"
       id="mailpoet_form_name"
       value="<%= form.name %>"
     />

views/settings/advanced.html

@@ -182,3 +182,26 @@
     </tr>
   </tbody>
 </table>
+
+<script type="text/javascript">
+  jQuery(function($) {
+    $(function() {
+      $('#mailpoet_reinstall').on('click', function() {
+        MailPoet.Ajax.post({
+          'endpoint': 'setup',
+          'action': 'reset'
+        }).done(function(response) {
+          if(response.result === true) {
+            MailPoet.Notice.success(
+              "<%= __('MailPoet has been reinstalled successfully using the same version. Settings and data have been deleted.') %>",
+            { scroll: true });
+          } else {
+            MailPoet.Notice.error(
+              "<%= __('MailPoet could not be reinstalled. You might need to remove it manually first.') %>",
+            { scroll: true });
+          }
+        });
+      });
+    });
+  });
+</script>