moved everything to a new module called backend

backend/models/room_model.py

@@ -0,0 +1,76 @@
+# -*- coding: utf-8 -*-
+"""
+Models for lecture recorder
+"""
+import json
+
+from sqlalchemy import MetaData, CheckConstraint
+from sqlalchemy.exc import IntegrityError
+
+from datetime import datetime, timedelta
+
+from backend import db, app, login_manager
+from backend.tools.scrape_rooms import scrape_rooms
+
+metadata = MetaData()
+
+
+class Room(db.Model):
+    id = db.Column(db.Integer, autoincrement=True, primary_key=True)
+    created_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow())
+    name = db.Column(db.Unicode(127), unique=False, nullable=False)
+    alternate_name = db.Column(db.Unicode(127), unique=False, nullable=True, default=None)
+    comment = db.Column(db.Unicode(2047), unique=False, nullable=True, default="")
+    number = db.Column(db.Unicode(63), unique=False, nullable=True)
+    building_name = db.Column(db.Unicode(63), unique=False, nullable=True)
+    building_number = db.Column(db.Unicode(63), unique=False, nullable=True)
+
+    recorder = db.relationship('Recorder', uselist=False, back_populates='room')  # one-to-one relation (uselist=False)
+
+    __table_args__ = (
+        CheckConstraint('length(name) > 2',
+                        name='name_min_length'),
+    )
+
+    def __init__(self, **kwargs):
+        super(Room, self).__init__(**kwargs)
+
+    @staticmethod
+    def get_by_name(name):
+        """
+        Find group by name
+        :param name:
+        :return:
+        """
+        return Room.query.filter(Room.name == name).first()
+
+    @staticmethod
+    def get_all():
+        """
+        Return all rooms
+        :return:
+        """
+        return Room.query.all()
+
+    def __str__(self):
+        return self.name
+
+    def to_dict(self):
+        return dict(id=self.id, name=self.name)
+
+    def toJSON(self):
+        return json.dumps(self.to_dict(), default=lambda o: o.__dict__,
+                          sort_keys=True, indent=4)
+
+
+def pre_fill_table():
+    rooms = scrape_rooms()
+    i_tunes_u_mappings = [Room(name=room['name'], number=room['room_number'],
+                               building_name=room['building_name'], building_number=room['building_number']) for room in
+                          rooms]
+
+    try:
+        db.session.bulk_save_objects(i_tunes_u_mappings)
+        db.session.commit()
+    except IntegrityError as e:
+        db.session.rollback()