From 6ba3128ac4a174d0f08d3f6357c75772d4c14a7a Mon Sep 17 00:00:00 2001
From: Fabio Manganiello <info@fabiomanganiello.com>
Date: Sun, 14 Nov 2021 22:40:59 +0100
Subject: [PATCH] [#201] Added Mailgun integration

---
 CHANGELOG.md                              |  3 +-
 docs/source/platypush/plugins/mailgun.rst |  5 ++
 docs/source/plugins.rst                   |  1 +
 platypush/plugins/mailgun/__init__.py     | 65 +++++++++++++++++++++++
 platypush/plugins/mailgun/manifest.yaml   |  3 ++
 5 files changed, 76 insertions(+), 1 deletion(-)
 create mode 100644 docs/source/platypush/plugins/mailgun.rst
 create mode 100644 platypush/plugins/mailgun/__init__.py
 create mode 100644 platypush/plugins/mailgun/manifest.yaml

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62be31144..fafa8d901 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,11 +9,12 @@ Given the high speed of development in the first phase, changes are being report
 
 - Added `mastodon` plugin.
 - Added `chat.irc` plugin.
+- Added `mailgun` plugin.
 
 ### Fixed
 
 - Fixed `switchbot.status` method in case of virtual devices.
-- Fixed `switchbot.status` method in case of virtual devices.
+- Fixed `platypush[alexa]` optional package installation.
 
 ## [0.22.4] - 2021-10-19
 
diff --git a/docs/source/platypush/plugins/mailgun.rst b/docs/source/platypush/plugins/mailgun.rst
new file mode 100644
index 000000000..d158bac7f
--- /dev/null
+++ b/docs/source/platypush/plugins/mailgun.rst
@@ -0,0 +1,5 @@
+``mailgun``
+===========
+
+.. automodule:: platypush.plugins.mailgun
+    :members:
diff --git a/docs/source/plugins.rst b/docs/source/plugins.rst
index 6ed7832e8..5a2a4d755 100644
--- a/docs/source/plugins.rst
+++ b/docs/source/plugins.rst
@@ -73,6 +73,7 @@ Plugins
     platypush/plugins/luma.oled.rst
     platypush/plugins/mail.imap.rst
     platypush/plugins/mail.smtp.rst
+    platypush/plugins/mailgun.rst
     platypush/plugins/mastodon.rst
     platypush/plugins/media.chromecast.rst
     platypush/plugins/media.gstreamer.rst
diff --git a/platypush/plugins/mailgun/__init__.py b/platypush/plugins/mailgun/__init__.py
new file mode 100644
index 000000000..97d9f9e94
--- /dev/null
+++ b/platypush/plugins/mailgun/__init__.py
@@ -0,0 +1,65 @@
+import os
+from typing import Optional, Union, Sequence
+
+import requests
+from requests.auth import HTTPBasicAuth
+
+from platypush.plugins import action
+from platypush.plugins.mail import MailOutPlugin
+
+
+class MailgunPlugin(MailOutPlugin):
+    """
+    Mailgun integration.
+    """
+    def __init__(self, api_key: str, api_base_url: str = 'https://api.mailgun.net/v3', **kwargs):
+        """
+        :param api_key: Mailgun API secret key.
+        :param api_base_url: Use ``https://api.eu.mailgun.net/v3`` if you are using an EU account.
+        """
+        super().__init__(**kwargs)
+        self._api_key = api_key
+        self._api_base_url = api_base_url
+
+    def send_message(self, *_, **__):
+        pass
+
+    @action
+    def send(
+            self, domain: str, to: Union[str, Sequence[str]], from_: Optional[str] = None,
+            cc: Optional[Union[str, Sequence[str]]] = None, bcc: Optional[Union[str, Sequence[str]]] = None,
+            subject: str = '', body: str = '', body_type: str = 'plain', attachments: Optional[Sequence[str]] = None,
+            **kwargs
+     ):
+        """
+        Send an email through Mailgun.
+
+        :param domain: From which registered domain the email(s) should be sent.
+        :param to: Receiver(s), as comma-separated strings or list.
+        :param from_: Sender email address (``from`` is also supported outside of Python contexts).
+        :param cc: Carbon-copy addresses, as comma-separated strings or list
+        :param bcc: Blind carbon-copy addresses, as comma-separated strings or list
+        :param subject: Mail subject.
+        :param body: Mail body.
+        :param body_type: Mail body type - ``text`` or ``html``.
+        :param attachments: List of attachment files to send.
+        """
+        from_ = from_ or kwargs.pop('from', None)
+        rs = requests.post(
+            f'{self._api_base_url}/{domain}/messages',
+            auth=HTTPBasicAuth('api', self._api_key),
+            data={
+                'to': ', '.join([to] if isinstance(to, str) else to),
+                'subject': subject,
+                **{'html' if body_type == 'html' else 'text': body},
+                **({'from': from_} if from_ else {}),
+                **({'cc': ', '.join([cc] if isinstance(cc, str) else cc)} if cc else {}),
+                **({'bcc': ', '.join([bcc] if isinstance(bcc, str) else bcc)} if bcc else {}),
+            },
+            files=[os.path.expanduser(attachment) for attachment in (attachments or [])]
+        )
+
+        rs.raise_for_status()
+
+
+# vim:sw=4:ts=4:et:
diff --git a/platypush/plugins/mailgun/manifest.yaml b/platypush/plugins/mailgun/manifest.yaml
new file mode 100644
index 000000000..d0b7a5db5
--- /dev/null
+++ b/platypush/plugins/mailgun/manifest.yaml
@@ -0,0 +1,3 @@
+manifest:
+  package: platypush.plugins.mailgun
+  type: plugin