Fix init/hooks so that we properly initialize db/plugin

- Added activation hook in main file (mailpoet.php)
- auto deactivate plugin in case of fatal errors during init

lib/Config/Activator.php

@@ -9,13 +9,6 @@ class Activator {
   function __construct() {
   }
 
-  function init() {
-    register_activation_hook(
-      Env::$file,
-      array($this, 'activate')
-    );
-  }
-
   function activate() {
     $migrator = new Migrator();
     $migrator->up();

lib/Config/Initializer.php

@@ -18,8 +18,8 @@ class Initializer {
   }
 
   function init() {
+    try {
       $this->setupDB();
-    $this->setupActivator();
       $this->setupRenderer();
       $this->setupLocalizer();
       $this->setupMenu();
@@ -34,6 +34,11 @@ class Initializer {
       $this->setupHooks();
       $this->setupPages();
       $this->setupImages();
+    } catch(\Exception $e) {
+      // if anything goes wrong during init
+      // automatically deactivate the plugin
+      deactivate_plugins(Env::$file);
+    }
   }
 
   function setupDB() {
@@ -81,9 +86,10 @@ class Initializer {
     define('MP_NEWSLETTER_STATISTICS_TABLE', $newsletter_statistics);
   }
 
-  function setupActivator() {
-    $activator = new Activator();
-    $activator->init();
+  function runPopulator() {
+    $this->init();
+    $populator = new Populator();
+    $populator->up();
   }
 
   function setupRenderer() {
@@ -138,6 +144,7 @@ class Initializer {
     $shortcodes = new Shortcodes();
     $shortcodes->init();
   }
+
   function setupHooks() {
     $hooks = new Hooks();
     $hooks->init();

mailpoet.php

@@ -1,5 +1,6 @@
 <?php
 use \MailPoet\Config\Initializer;
+use \MailPoet\Config\Migrator;
 
 if (!defined('ABSPATH')) exit;
 
@@ -29,4 +30,10 @@ $initializer = new Initializer(array(
   'file' => __FILE__,
   'version' => MAILPOET_VERSION
 ));
-$initializer->init();
+
+$migrator = new Migrator();
+
+register_activation_hook(__FILE__, array($migrator, 'up'));
+register_activation_hook(__FILE__, array($initializer, 'runPopulator'));
+
+add_action('init', array($initializer, 'init'));