Move db to own package

2019-02-12 15:05:36 +02:00
parent cf847d3b8e
commit f775e40b16
13 changed files with 619 additions and 447 deletions
@@ -0,0 +1,55 @@
+# -*- coding: future_fstrings -*-
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2018 Tulir Asokan
+#
+# 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 <https://www.gnu.org/licenses/>.
+from sqlalchemy import Column, ForeignKey, Integer, BigInteger, String, Boolean
+from sqlalchemy.orm import relationship
+from typing import Optional
+
+from .base import Base
+
+
+class TelegramFile(Base):
+    __tablename__ = "telegram_file"
+
+    id = Column(String, primary_key=True)
+    mxc = Column(String)
+    mime_type = Column(String)
+    was_converted = Column(Boolean)
+    timestamp = Column(BigInteger)
+    size = Column(Integer, nullable=True)
+    width = Column(Integer, nullable=True)
+    height = Column(Integer, nullable=True)
+    thumbnail_id = Column("thumbnail", String, ForeignKey("telegram_file.id"), nullable=True)
+    thumbnail = relationship("TelegramFile", uselist=False)
+
+    @classmethod
+    def get(cls, id: str) -> Optional['TelegramFile']:
+        rows = cls.db.execute(cls.t.select().where(cls.c.id == id))
+        try:
+            id, mxc, mime, conv, ts, s, w, h, thumb_id = next(rows)
+            thumb = None
+            if thumb_id:
+                thumb = cls.get(thumb_id)
+            return cls(id=id, mxc=mxc, mime_type=mime, was_converted=conv, timestamp=ts,
+                       size=s, width=w, height=h, thumbnail_id=thumb_id, thumbnail=thumb)
+        except StopIteration:
+            return None
+
+    def insert(self) -> None:
+        self.db.execute(self.t.insert().values(
+            id=self.id, mxc=self.mxc, mime_type=self.mime_type, was_converted=self.was_converted,
+            timestamp=self.timestamp, size=self.size, width=self.width, height=self.height,
+            thumbnail=self.thumbnail.id if self.thumbnail else self.thumbnail_id))