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diff --git a/newspipe/models/article.py b/newspipe/models/article.py
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+++ b/newspipe/models/article.py
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+#! /usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Newspipe - A Web based news aggregator.
+# Copyright (C) 2010-2020 Cédric Bonhomme - https://www.cedricbonhomme.org
+#
+# For more information: https://git.sr.ht/~cedric/newspipe
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+__author__ = "Cedric Bonhomme"
+__version__ = "$Revision: 0.5 $"
+__date__ = "$Date: 2013/11/05 $"
+__revision__ = "$Date: 2016/10/04 $"
+__copyright__ = "Copyright (c) Cedric Bonhomme"
+__license__ = "GPLv3"
+
+from newspipe.bootstrap import db
+from datetime import datetime
+from sqlalchemy import Index
+from sqlalchemy.ext.associationproxy import association_proxy
+
+from newspipe.models.right_mixin import RightMixin
+
+
+class Article(db.Model, RightMixin):
+    "Represent an article from a feed."
+    id = db.Column(db.Integer(), primary_key=True)
+    entry_id = db.Column(db.String(), nullable=False)
+    link = db.Column(db.String())
+    title = db.Column(db.String())
+    content = db.Column(db.String())
+    readed = db.Column(db.Boolean(), default=False)
+    like = db.Column(db.Boolean(), default=False)
+    date = db.Column(db.DateTime(), default=datetime.utcnow)
+    updated_date = db.Column(db.DateTime(), default=datetime.utcnow)
+    retrieved_date = db.Column(db.DateTime(), default=datetime.utcnow)
+
+    # foreign keys
+    user_id = db.Column(db.Integer(), db.ForeignKey("user.id"))
+    feed_id = db.Column(db.Integer(), db.ForeignKey("feed.id"))
+    category_id = db.Column(db.Integer(), db.ForeignKey("category.id"))
+
+    # relationships
+    tag_objs = db.relationship(
+        "ArticleTag",
+        back_populates="article",
+        cascade="all,delete-orphan",
+        lazy=False,
+        foreign_keys="[ArticleTag.article_id]",
+    )
+    tags = association_proxy("tag_objs", "text")
+
+    # indexes
+    # __table_args__ = (
+    #    Index('user_id'),
+    #    Index('user_id', 'category_id'),
+    #    Index('user_id', 'feed_id'),
+    #    Index('ix_article_uid_fid_eid', user_id, feed_id, entry_id)
+    # )
+
+    # api whitelists
+    @staticmethod
+    def _fields_base_write():
+        return {"readed", "like", "feed_id", "category_id"}
+
+    @staticmethod
+    def _fields_base_read():
+        return {
+            "id",
+            "entry_id",
+            "link",
+            "title",
+            "content",
+            "date",
+            "retrieved_date",
+            "user_id",
+            "tags",
+        }
+
+    @staticmethod
+    def _fields_api_write():
+        return {"tags"}
+
+    def __repr__(self):
+        return (
+            "<Article(id=%d, entry_id=%s, title=%r, "
+            "date=%r, retrieved_date=%r)>"
+            % (self.id, self.entry_id, self.title, self.date, self.retrieved_date)
+        )