Files
lrc-backend/models/room_model.py

64 lines
1.7 KiB
Python

# -*- coding: utf-8 -*-
"""
Models for lecture recorder
"""
import json
from sqlalchemy import MetaData, CheckConstraint
from backend import db, app, login_manager
import re
from sqlalchemy import or_
from datetime import datetime, timedelta
from backend.models.recorder_model import Recorder
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=True, nullable=False)
alternate_name = db.Column(db.Unicode(127), unique=True, nullable=True, default=None)
comment = db.Column(db.Unicode(2047), unique=False, nullable=True, default="")
number = db.Column(db.Unicode(63), unique=True, 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 groups
: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)