77 lines
2.3 KiB
Python
77 lines
2.3 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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from sqlalchemy import MetaData, CheckConstraint
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from sqlalchemy.exc import IntegrityError
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from datetime import datetime, timedelta
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from backend import db, app, login_manager
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from backend.tools.scrape_rooms import scrape_rooms
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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(db.Unicode(127), unique=False, nullable=True, default=None)
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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('Recorder', uselist=False, back_populates='room') # one-to-one relation (uselist=False)
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__table_args__ = (
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CheckConstraint('length(name) > 2',
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name='name_min_length'),
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)
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def __init__(self, **kwargs):
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super(Room, self).__init__(**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_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(self.to_dict(), default=lambda o: o.__dict__,
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sort_keys=True, indent=4)
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def pre_fill_table():
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rooms = scrape_rooms()
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i_tunes_u_mappings = [Room(name=room['name'], number=room['room_number'],
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building_name=room['building_name'], building_number=room['building_number']) for room in
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rooms]
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try:
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db.session.bulk_save_objects(i_tunes_u_mappings)
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db.session.commit()
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except IntegrityError as e:
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db.session.rollback()
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