From 4c92145257845113183c6eeee2d588a3f87d61a6 Mon Sep 17 00:00:00 2001
From: Alex Grintsvayg <grin@lbry.io>
Date: Tue, 14 Mar 2017 11:59:30 -0400
Subject: [PATCH] switch from mailgun lists to sendy

---
 controller/action/MailActions.class.php       |  10 +-
 lib/thirdparty/Sendy.class.php                | 132 ++++++++++++++++++
 .../template/email_templates/_confirmHash.php |   2 +-
 3 files changed, 140 insertions(+), 4 deletions(-)
 create mode 100644 lib/thirdparty/Sendy.class.php

diff --git a/controller/action/MailActions.class.php b/controller/action/MailActions.class.php
index 4b2c541e..ef564daa 100644
--- a/controller/action/MailActions.class.php
+++ b/controller/action/MailActions.class.php
@@ -41,10 +41,14 @@ class MailActions extends Actions
       return ['mail/subscribe', ['error' => __('email.invalid_confirm_hash')]];
     }
 
-    $outcome = Mailgun::addToMailingList(Mailgun::LIST_GENERAL, $email);
-    if ($outcome !== true)
+    $sendy = new Sendy(Config::get('sendy_api_key'), Config::get('sendy_install_url'), Sendy::LIST_GENERAL);
+    try
     {
-      return ['mail/subscribe', ['error' => $outcome]];
+      $sendy->subscribe($email);
+    }
+    catch (SendyException $e)
+    {
+      return ['mail/subscribe', ['error' => $e->getMessage()]];
     }
 
     return ['mail/subscribe', ['confirmSuccess' => true, 'learnFooter' => true]];
diff --git a/lib/thirdparty/Sendy.class.php b/lib/thirdparty/Sendy.class.php
new file mode 100644
index 00000000..afe0dddf
--- /dev/null
+++ b/lib/thirdparty/Sendy.class.php
@@ -0,0 +1,132 @@
+<?php
+
+class SendyException extends Exception
+{
+}
+
+class Sendy
+{
+  const STATUS_SUBSCRIBED   = 'Subscribed';
+  const STATUS_UNSUBSCRIBED = 'Unsubscribed';
+  const STATUS_UNCONFIRMED  = 'Unconfirmed';
+  const STATUS_BOUNCED      = 'Bounced';
+  const STATUS_SOFT_BOUNCED = 'Soft bounced';
+  const STATUS_COMPLAINED   = 'Complained';
+
+  const LIST_TEST = 'ko9LyWC4SQMI6763xTYCXucA';
+  const LIST_GENERAL = '5Fax4vQ1c9lku763BKUNb4aQ';
+
+  protected $installationUrl;
+  protected $apiKey;
+  protected $listId;
+
+  public function __construct($apiKey, $installationUrl, $listId)
+  {
+    $this->apiKey          = $apiKey;
+    $this->installationUrl = rtrim($installationUrl, '/');
+    $this->listId          = $listId;
+  }
+
+  public static function getAllSubscriptionStatuses()
+  {
+    $r = new ReflectionClass(get_called_class());
+
+    $constants = [];
+    foreach ($r->getConstants() as $constant => $value)
+    {
+      if (preg_match('/^STATUS_/', $constant))
+      {
+        $constants[] = $value;
+      }
+    }
+
+    return $constants;
+  }
+
+  public function subscribe($email, $name = null, array $extraVars = [])
+  {
+    $result = $this->call('subscribe', array_merge($extraVars, [
+      'email'   => $email,
+      'name'    => $name,
+      'list'    => $this->listId,
+      'boolean' => 'true',
+    ]));
+
+    switch ($result)
+    {
+      case '1':
+        return true;
+
+      case 'Already subscribed.':
+        return 'Already subscribed.';
+
+      default:
+        throw new SendyException($result);
+    }
+  }
+
+  public function unsubscribe($email)
+  {
+    $result = $this->call('subscribe', [
+      'email'   => $email,
+      'list'    => $this->listId,
+      'boolean' => 'true',
+    ]);
+
+    if ($result == 1)
+    {
+      return true;
+    }
+
+    throw new SendyException($result);
+  }
+
+  public function getSubscriptionStatus($email)
+  {
+    $result = $this->callAuth('api/subscribers/subscription-status.php', ['email' => $email, 'list_id' => $this->listId]);
+
+    if (in_array($result, static::getAllSubscriptionStatuses()))
+    {
+      return $result;
+    }
+
+    throw new SendyException($result);
+  }
+
+  public function getActiveSubscriberCount()
+  {
+    $result = $this->callAuth('api/subscribers/active-subscriber-count.php', ['list_id' => $this->listId]);
+
+    if (!is_numeric($result))
+    {
+      throw new SendyException($result);
+    }
+
+    return (int)$result;
+  }
+
+  public function createCampaign(array $values)
+  {
+    $result = $this->callAuth('api/campaigns/create.php', $values);
+
+    switch ($result)
+    {
+      case 'Campaign created':
+      case 'Campaign created and now sending':
+        return $result;
+
+      default:
+        throw new SendyException($result);
+    }
+  }
+
+  protected function call($endpoint, array $values = [])
+  {
+    return Curl::post($this->installationUrl . '/' . $endpoint, $values);
+  }
+
+  protected function callAuth($endpoint, array $values = [])
+  {
+    return $this->call($endpoint, array_merge($values, ['api_key' => $this->apiKey]));
+  }
+}
diff --git a/view/template/email_templates/_confirmHash.php b/view/template/email_templates/_confirmHash.php
index fff28d04..1750b9ea 100644
--- a/view/template/email_templates/_confirmHash.php
+++ b/view/template/email_templates/_confirmHash.php
@@ -1,4 +1,4 @@
-<?php $url = 'https://' . Request::getHost() . '/list/confirm/' . $confirmHash ?>
+<?php $url = Request::getHostAndProto() . '/list/confirm/' . $confirmHash ?>
 <?php ob_start() ?>
   <meta itemprop="name" content="Confirm Subscription"/>
   <table width="100%" cellpadding="0" cellspacing="0">