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diff --git a/addons/website_twitter/models/website_twitter.py b/addons/website_twitter/models/website_twitter.py
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+++ b/addons/website_twitter/models/website_twitter.py
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+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+import json
+import logging
+
+import requests
+from odoo import api, fields, models
+
+API_ENDPOINT = 'https://api.twitter.com'
+API_VERSION = '1.1'
+REQUEST_TOKEN_URL = '%s/oauth2/token' % API_ENDPOINT
+REQUEST_FAVORITE_LIST_URL = '%s/%s/favorites/list.json' % (API_ENDPOINT, API_VERSION)
+URLOPEN_TIMEOUT = 10
+
+_logger = logging.getLogger(__name__)
+
+
+class WebsiteTwitter(models.Model):
+    _inherit = 'website'
+
+    twitter_api_key = fields.Char(string='Twitter API key', help='Twitter API Key')
+    twitter_api_secret = fields.Char(string='Twitter API secret', help='Twitter API Secret')
+    twitter_screen_name = fields.Char(string='Get favorites from this screen name')
+
+    @api.model
+    def _request(self, website, url, params=None):
+        """Send an authenticated request to the Twitter API."""
+        access_token = self._get_access_token(website)
+        try:
+            request = requests.get(url, params=params, headers={'Authorization': 'Bearer %s' % access_token}, timeout=URLOPEN_TIMEOUT)
+            request.raise_for_status()
+            return request.json()
+        except requests.HTTPError as e:
+            _logger.debug("Twitter API request failed with code: %r, msg: %r, content: %r",
+                          e.response.status_code, e.response.reason, e.response.content)
+            raise
+
+    @api.model
+    def _refresh_favorite_tweets(self):
+        ''' called by cron job '''
+        website = self.env['website'].search([('twitter_api_key', '!=', False),
+                                          ('twitter_api_secret', '!=', False),
+                                          ('twitter_screen_name', '!=', False)])
+        _logger.debug("Refreshing tweets for website IDs: %r", website.ids)
+        website.fetch_favorite_tweets()
+
+    def fetch_favorite_tweets(self):
+        WebsiteTweets = self.env['website.twitter.tweet']
+        tweet_ids = []
+        for website in self:
+            if not all((website.twitter_api_key, website.twitter_api_secret, website.twitter_screen_name)):
+                _logger.debug("Skip fetching favorite tweets for unconfigured website %s", website)
+                continue
+            params = {'screen_name': website.twitter_screen_name}
+            last_tweet = WebsiteTweets.search([('website_id', '=', website.id),
+                                                     ('screen_name', '=', website.twitter_screen_name)],
+                                                     limit=1, order='tweet_id desc')
+            if last_tweet:
+                params['since_id'] = int(last_tweet.tweet_id)
+            _logger.debug("Fetching favorite tweets using params %r", params)
+            response = self._request(website, REQUEST_FAVORITE_LIST_URL, params=params)
+            for tweet_dict in response:
+                tweet_id = tweet_dict['id']  # unsigned 64-bit snowflake ID
+                tweet_ids = WebsiteTweets.search([('tweet_id', '=', tweet_id)]).ids
+                if not tweet_ids:
+                    new_tweet = WebsiteTweets.create(
+                            {
+                              'website_id': website.id,
+                              'tweet': json.dumps(tweet_dict),
+                              'tweet_id': tweet_id,  # stored in NUMERIC PG field
+                              'screen_name': website.twitter_screen_name,
+                            })
+                    _logger.debug("Found new favorite: %r, %r", tweet_id, tweet_dict)
+                    tweet_ids.append(new_tweet.id)
+        return tweet_ids
+
+    def _get_access_token(self, website):
+        """Obtain a bearer token."""
+        r = requests.post(
+            REQUEST_TOKEN_URL,
+            data={'grant_type': 'client_credentials',},
+            auth=(website.twitter_api_key, website.twitter_api_secret),
+            timeout=URLOPEN_TIMEOUT,
+        )
+        r.raise_for_status()
+        data = r.json()
+        access_token = data['access_token']
+        return access_token