102 lines
2.7 KiB
Python
102 lines
2.7 KiB
Python
# -*- coding: utf-8 -*-
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"""
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Models for lecture recorder
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"""
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import json
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import logging
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from sqlalchemy import MetaData, CheckConstraint
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from sqlalchemy.exc import IntegrityError
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from datetime import datetime
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from backend import db
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from backend.models.recorder_model import Recorder
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from backend.tools.scrape_rooms import scrape_rooms
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logger = logging.getLogger("lrc." + __name__)
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metadata = MetaData()
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class Room(db.Model):
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id = db.Column(db.Integer, autoincrement=True, primary_key=True)
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created_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow())
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name = db.Column(db.Unicode(127), unique=False, nullable=False)
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alternate_name = db.Column(
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db.Unicode(127), unique=False, nullable=True, default=None
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)
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comment = db.Column(db.Unicode(2047), unique=False, nullable=True, default="")
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number = db.Column(db.Unicode(63), unique=False, nullable=True)
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building_name = db.Column(db.Unicode(63), unique=False, nullable=True)
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building_number = db.Column(db.Unicode(63), unique=False, nullable=True)
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recorder = db.relationship(
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Recorder, uselist=False, back_populates="room"
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) # one-to-one relation (uselist=False)
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__table_args__ = (CheckConstraint("length(name) > 2", name="name_min_length"),)
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def __init__(self, **kwargs):
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db.Model.__init__(self, **kwargs)
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@staticmethod
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def get_by_name(name):
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"""
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Find group by name
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:param name:
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:return:
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"""
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return Room.query.filter(Room.name == name).first()
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@staticmethod
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def get_by_building_number(building_number):
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"""
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Find group by name
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:param name:
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:return:
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"""
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return Room.query.filter(Room.building_number == building_number)
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@staticmethod
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def get_all():
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"""
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Return all rooms
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:return:
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"""
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return Room.query.all()
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def __str__(self):
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return self.name
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def to_dict(self):
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return dict(id=self.id, name=self.name)
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def toJSON(self):
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return json.dumps(
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self.to_dict(), default=lambda o: o.__dict__, sort_keys=True, indent=4
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)
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def pre_fill_table():
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rooms = scrape_rooms()
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logger.debug("tada")
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logger.debug("got {} rooms".format(len(rooms)))
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db_rooms = [
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Room(
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name=room["name"],
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number=room["room_number"],
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building_name=room["building_name"],
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building_number=room["building_number"],
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)
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for room in rooms
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]
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try:
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db.session.bulk_save_objects(db_rooms)
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db.session.commit()
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logger.debug("rooms commited to DB!")
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except IntegrityError as e:
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logger.error("Could not add rooms! ({})".format(e))
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db.session.rollback()
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