4 files changed, 52 insertions, 4 deletions
diff --git a/pyaggr3g470r/controllers/__init__.py b/pyaggr3g470r/controllers/__init__.py
index d8d1a104..ad77fa1d 100644
--- a/pyaggr3g470r/controllers/__init__.py
+++ b/pyaggr3g470r/controllers/__init__.py
@@ -1,6 +1,8 @@
 from .feed import FeedController
 from .article import ArticleController
 from .user import UserController
+from .icon import IconController
 
 
-__all__ = ['FeedController', 'ArticleController', 'UserController']
+__all__ = ['FeedController', 'ArticleController', 'UserController',
+           'IconController']
diff --git a/pyaggr3g470r/controllers/abstract.py b/pyaggr3g470r/controllers/abstract.py
index 281e1415..f33d241e 100644
--- a/pyaggr3g470r/controllers/abstract.py
+++ b/pyaggr3g470r/controllers/abstract.py
@@ -65,7 +65,8 @@ class AbstractController(object):
         dependant) and the user is not an admin and the filters doesn't already
         contains a filter for that user.
         """
-        if self.user_id and filters.get(self._user_id_key) != self.user_id:
+        if self._user_id_key is not None and self.user_id \
+                and filters.get(self._user_id_key) != self.user_id:
             filters[self._user_id_key] = self.user_id
         return self._db_cls.query.filter(*self._to_filters(**filters))
 
@@ -82,10 +83,11 @@ class AbstractController(object):
         return obj
 
     def create(self, **attrs):
-        assert self._user_id_key in attrs or self.user_id is not None, \
+        assert self._user_id_key is None or self._user_id_key in attrs \
+                or self.user_id is not None, \
                 "You must provide user_id one way or another"
 
-        if self._user_id_key not in attrs:
+        if self._user_id_key is not None and self._user_id_key not in attrs:
             attrs[self._user_id_key] = self.user_id
         obj = self._db_cls(**attrs)
         db.session.add(obj)
@@ -108,5 +110,7 @@ class AbstractController(object):
 
     def _has_right_on(self, obj):
         # user_id == None is like being admin
+        if self._user_id_key is None:
+            return True
         return self.user_id is None \
                 or getattr(obj, self._user_id_key, None) == self.user_id
diff --git a/pyaggr3g470r/controllers/feed.py b/pyaggr3g470r/controllers/feed.py
index 82714e39..6b3c4fb5 100644
--- a/pyaggr3g470r/controllers/feed.py
+++ b/pyaggr3g470r/controllers/feed.py
@@ -21,9 +21,11 @@
 
 import logging
 from datetime import datetime, timedelta
+from werkzeug.exceptions import NotFound
 
 import conf
 from .abstract import AbstractController
+from .icon import IconController
 from pyaggr3g470r.models import Feed
 
 logger = logging.getLogger(__name__)
@@ -52,3 +54,20 @@ class FeedController(AbstractController):
             self.update({'id__in': [feed.id for feed in feeds]},
                         {'last_retrieved': now})
         return feeds
+
+    def _ensure_icon(self, attrs):
+        if not attrs.get('icon_url'):
+            return
+        icon_contr = IconController()
+        try:
+            icon_contr.get(url=attrs['icon_url'])
+        except NotFound:
+            icon_contr.create(**{'url': attrs['icon_url']})
+
+    def create(self, **attrs):
+        self._ensure_icon(attrs)
+        return super().create(**attrs)
+
+    def update(self, filters, attrs):
+        self._ensure_icon(attrs)
+        return super().update(filters, attrs)
diff --git a/pyaggr3g470r/controllers/icon.py b/pyaggr3g470r/controllers/icon.py
new file mode 100644
index 00000000..194c601c
--- /dev/null
+++ b/pyaggr3g470r/controllers/icon.py
@@ -0,0 +1,23 @@
+import base64
+import requests
+from pyaggr3g470r.models import Icon
+from .abstract import AbstractController
+
+
+class IconController(AbstractController):
+    _db_cls = Icon
+    _user_id_key = None
+
+    def _build_from_url(self, attrs):
+        if 'url' in attrs and 'content' not in attrs:
+            resp = requests.get(attrs['url'], verify=False)
+            attrs.update({'url': resp.url,
+                    'mimetype': resp.headers.get('content-type', None),
+                    'content': base64.b64encode(resp.content).decode('utf8')})
+        return attrs
+
+    def create(self, **attrs):
+        return super().create(**self._build_from_url(attrs))
+
+    def update(self, filters, attrs):
+        return super().update(filters, self._build_from_url(attrs))