1 files changed, 87 insertions, 0 deletions
diff --git a/newspipe/web/controllers/article.py b/newspipe/web/controllers/article.py
new file mode 100644
index 00000000..d7058229
--- /dev/null
+++ b/newspipe/web/controllers/article.py
@@ -0,0 +1,87 @@
+import re
+import logging
+import sqlalchemy
+from sqlalchemy import func
+from collections import Counter
+
+from bootstrap import db
+from .abstract import AbstractController
+from lib.article_utils import process_filters
+from web.controllers import CategoryController, FeedController
+from web.models import Article
+
+logger = logging.getLogger(__name__)
+
+
+class ArticleController(AbstractController):
+    _db_cls = Article
+
+    def challenge(self, ids):
+        """Will return each id that wasn't found in the database."""
+        for id_ in ids:
+            if self.read(**id_).first():
+                continue
+            yield id_
+
+    def count_by_category(self, **filters):
+        return self._count_by(Article.category_id, filters)
+
+    def count_by_feed(self, **filters):
+        return self._count_by(Article.feed_id, filters)
+
+    def count_by_user_id(self, **filters):
+        return dict(db.session.query(Article.user_id, func.count(Article.id))
+                              .filter(*self._to_filters(**filters))
+                              .group_by(Article.user_id).all())
+
+    def create(self, **attrs):
+        # handling special denorm for article rights
+        assert 'feed_id' in attrs, "must provide feed_id when creating article"
+        feed = FeedController(
+                attrs.get('user_id', self.user_id)).get(id=attrs['feed_id'])
+        if 'user_id' in attrs:
+            assert feed.user_id == attrs['user_id'] or self.user_id is None, \
+                    "no right on feed %r" % feed.id
+        attrs['user_id'], attrs['category_id'] = feed.user_id, feed.category_id
+
+        skipped, read, liked = process_filters(feed.filters, attrs)
+        if skipped:
+            return None
+        article = super().create(**attrs)
+        return article
+
+    def update(self, filters, attrs):
+        user_id = attrs.get('user_id', self.user_id)
+        if 'feed_id' in attrs:
+            feed = FeedController().get(id=attrs['feed_id'])
+            assert feed.user_id == user_id, "no right on feed %r" % feed.id
+            attrs['category_id'] = feed.category_id
+        if attrs.get('category_id'):
+            cat = CategoryController().get(id=attrs['category_id'])
+            assert self.user_id is None or cat.user_id == user_id, \
+                    "no right on cat %r" % cat.id
+        return super().update(filters, attrs)
+
+    def get_history(self, year=None, month=None):
+        """
+        Sort articles by year and month.
+        """
+        articles_counter = Counter()
+        articles = self.read()
+        if year is not None:
+            articles = articles.filter(
+                    sqlalchemy.extract('year', Article.date) == year)
+            if month is not None:
+                articles = articles.filter(
+                        sqlalchemy.extract('month', Article.date) == month)
+        for article in articles.all():
+            if year is not None:
+                articles_counter[article.date.month] += 1
+            else:
+                articles_counter[article.date.year] += 1
+        return articles_counter, articles
+
+    def read_light(self, **filters):
+        return super().read(**filters).with_entities(Article.id, Article.title,
+                Article.readed, Article.like, Article.feed_id, Article.date,
+                Article.category_id).order_by(Article.date.desc())