Improvements from comments

mail_tracking_mailgun/README.rst

@@ -8,10 +8,10 @@ Mail tracking for Mailgun
 
 This module integrates mail_tracking events with Mailgun webhooks.
 
-Mailgun (https://www.mailgun.com/) is a service that provides an e-mail 
-sending infrastructure through an SMTP server or via API. You can also 
-query that API for seeing statistics of your sent e-mails, or provide 
-hooks that processes the status changes in real time, which is the 
+Mailgun (https://www.mailgun.com/) is a service that provides an e-mail
+sending infrastructure through an SMTP server or via API. You can also
+query that API for seeing statistics of your sent e-mails, or provide
+hooks that processes the status changes in real time, which is the
 function used here.
 
 Configuration
@@ -20,14 +20,14 @@ Configuration
 You must configure Mailgun webhooks in order to receive mail events:
 
 1. Got a Mailgun account and validate your sending domain.
-2. Go to Webhook tab and configure this URL for each event you want to track:
+2. Go to Webhook tab and configure the below URL for each event:
 
 .. code:: html
 
    https://<your_domain>/mail/tracking/all/<your_database>
 
-Replace '<your_domain>' by your Odoo install domain name
-and '<your_database>' by your database name.
+Replace '<your_domain>' with your Odoo install domain name
+and '<your_database>' with your database name.
 
 In order to validate Mailgun webhooks you have to save Mailgun api_key in
 a system parameter named 'mailgun.apikey'. You can find Mailgun api_key in your

mail_tracking_mailgun/models/ir_mail_server.py

@@ -3,7 +3,6 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 import json
-import threading
 from openerp import models
 
 
@@ -15,7 +14,9 @@ class IrMailServer(models.Model):
             tracking_email_id, headers)
         headers = headers or {}
         metadata = {
-            'odoo_db': getattr(threading.currentThread(), 'dbname', None),
+            # NOTE: We can not use 'self.env.cr.dbname' because self is
+            # ir.mail_server object in old API (osv.osv)
+            'odoo_db': self.pool.db_name,
             'tracking_email_id': tracking_email_id,
         }
         headers['X-Mailgun-Variables'] = json.dumps(metadata)

mail_tracking_mailgun/models/mail_tracking_email.py

@@ -4,7 +4,6 @@
 
 import hashlib
 import hmac
-import threading
 from datetime import datetime
 from openerp import models, api, fields
 
@@ -19,16 +18,18 @@ class MailTrackingEmail(models.Model):
         country = False
         if country_code:
             country = self.env['res.country'].search([
-                ('code', '=ilike', country_code),
+                ('code', '=', country_code.capitalize()),
             ])
         if country:
             return country.id
         return False
 
+    @property
     def _mailgun_mandatory_fields(self):
         return ('event', 'timestamp', 'token', 'signature',
                 'tracking_email_id', 'odoo_db')
 
+    @property
     def _mailgun_event_type_mapping(self):
         return {
             # Mailgun event type: tracking event type
@@ -41,13 +42,14 @@ class MailTrackingEmail(models.Model):
             'dropped': 'reject',
         }
 
+    @property
     def _mailgun_supported_event_types(self):
-        return self._mailgun_event_type_mapping().keys()
+        return self._mailgun_event_type_mapping.keys()
 
     def _mailgun_event_type_verify(self, event):
         event = event or {}
         mailgun_event_type = event.get('event')
-        if mailgun_event_type not in self._mailgun_supported_event_types():
+        if mailgun_event_type not in self._mailgun_supported_event_types:
             _logger.info("Mailgun: event type '%s' not supported",
                          mailgun_event_type)
             return False
@@ -76,8 +78,8 @@ class MailTrackingEmail(models.Model):
             signature = event.get('signature')
             event_digest = self._mailgun_signature(api_key, timestamp, token)
             if signature != event_digest:
-                _logger.info("Mailgun: Invalid signature '%s' != '%s'",
-                             signature, event_digest)
+                _logger.error("Mailgun: Invalid signature '%s' != '%s'",
+                              signature, event_digest)
                 return False
         # OK, signature is valid
         return True
@@ -85,7 +87,7 @@ class MailTrackingEmail(models.Model):
     def _db_verify(self, event):
         event = event or {}
         odoo_db = event.get('odoo_db')
-        current_db = getattr(threading.currentThread(), 'dbname', None)
+        current_db = self.env.cr.dbname
         if odoo_db != current_db:
             _logger.info("Mailgun: Database '%s' is not the current database",
                          odoo_db)
@@ -152,12 +154,12 @@ class MailTrackingEmail(models.Model):
         tracking = False
         tracking_email_id = event.get('tracking_email_id', False)
         if tracking_email_id and tracking_email_id.isdigit():
-            tracking = self.search([('id', '=', tracking_email_id)])
+            tracking = self.search([('id', '=', tracking_email_id)], limit=1)
         return tracking
 
     def _event_is_from_mailgun(self, event):
         event = event or {}
-        return all([k in event for k in self._mailgun_mandatory_fields()])
+        return all([k in event for k in self._mailgun_mandatory_fields])
 
     @api.model
     def event_process(self, request, post, metadata, event_type=None):
@@ -174,7 +176,7 @@ class MailTrackingEmail(models.Model):
                 res = 'OK'
         if res == 'OK':
             mailgun_event_type = post.get('event')
-            mapped_event_type = self._mailgun_event_type_mapping().get(
+            mapped_event_type = self._mailgun_event_type_mapping.get(
                 mailgun_event_type) or event_type
             if not mapped_event_type:  # pragma: no cover
                 res = 'ERROR: Bad event'

mail_tracking_mailgun/tests/test_mailgun.py

@@ -2,7 +2,6 @@
 # Copyright 2016 Antonio Espinosa - <antonio.espinosa@tecnativa.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-import threading
 from openerp.tests.common import TransactionCase
 
 
@@ -28,8 +27,8 @@ class TestMailgun(TransactionCase):
         self.api_key = u'key-12345678901234567890123456789012'
         self.token = u'f1349299097a51b9a7d886fcb5c2735b426ba200ada6e9e149'
         self.timestamp = u'1471021089'
-        self.signature = u'%s' % self.env['mail.tracking.email'].\
-            _mailgun_signature(self.api_key, self.timestamp, self.token)
+        self.signature = ('4fb6d4dbbe10ce5d620265dcd7a3c0b8'
+                          'ca0dede1433103891bc1ae4086e9d5b2')
         self.env['ir.config_parameter'].set_param(
             'mailgun.apikey', self.api_key)
         self.event = {
@@ -42,7 +41,7 @@ class TestMailgun(TransactionCase):
             'domain': u'example.com',
             'message-headers': u'[]',
             'recipient': self.recipient,
-            'odoo_db': getattr(threading.currentThread(), 'dbname', None),
+            'odoo_db': self.env.cr.dbname,
             'tracking_email_id': u'%s' % self.tracking_email.id
         }
         self.metadata = {
@@ -91,9 +90,9 @@ class TestMailgun(TransactionCase):
         self.assertEqual('ERROR: Invalid DB', response)
 
     def test_bad_ts(self):
-        timestamp = u'7a',  # Now time will be used instead
-        signature = u'%s' % self.env['mail.tracking.email'].\
-            _mailgun_signature(self.api_key, timestamp, self.token)
+        timestamp = u'7a'  # Now time will be used instead
+        signature = ('06cc05680f6e8110e59b41152b2d1c0f'
+                     '1045d755ef2880ff922344325c89a6d4')
         self.event.update({
             'event': u'delivered',
             'timestamp': timestamp,