302 lines
8.2 KiB
Python
302 lines
8.2 KiB
Python
from datetime import datetime
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from app.core import db
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from sqlalchemy.dialects.postgresql import JSON
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class Recording(db.Model):
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__tablename__ = 'recordings'
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id = db.Column(db.Integer, primary_key=True)
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recorded_at = db.Column(db.DateTime, index=True,
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default=db.func.current_timestamp())
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received_at = db.Column(db.DateTime, index=True,
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default=db.func.current_timestamp())
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device_id = db.Column(db.Integer, db.ForeignKey('devices.id'))
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record_type = db.Column(db.Integer, nullable=False)
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record_value = db.Column(db.String, nullable=False)
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raw_record = db.Column(JSON, nullable=True)
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def __init__(self, device_id, record_type,
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record_value, recorded_at, raw_json):
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self.device_id = int(device_id)
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self.record_type = int(record_type)
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self.record_value = str(record_value)
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self.recorded_at = datetime.fromtimestamp(int(recorded_at))
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self.received_at = datetime.utcnow()
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self.raw_record = raw_json
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def save(self):
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"""
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Stores this recording to database
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This may raise errors
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"""
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db.session.add(self)
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db.session.commit()
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def delete(self):
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"""
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Deletes this recording from database
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"""
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db.session.delete(self)
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db.session.commit()
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@staticmethod
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def get_all():
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return Recording.query.all()
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@staticmethod
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def get_many(**kwargs):
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"""
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Get many recording with given filters as a list
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Available filters:
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* id
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* device_id
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* record_type
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* recorded_at
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* received_at
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* record_value (probably useless)
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* raw_record (useless)
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"""
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return Recording.query.filter_by(**kwargs).all()
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@staticmethod
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def get(**kwargs):
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"""
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Get recordings with given filters
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Available filters:
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* id
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* device_id
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* record_type
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* recorded_at
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* received_at
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* record_value (probably useless)
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* raw_record (useless)
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"""
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return Recording.query.filter_by(**kwargs).first_or_404()
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def __repr__(self):
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return '<Recording (value=%s, recorded_at=%s)>' % (
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self.record_value, self.recorded_at)
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class Device(db.Model):
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__tablename__ = 'devices'
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id = db.Column(db.Integer, primary_key=True)
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created_at = db.Column(db.DateTime,
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nullable=False,
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default=db.func.current_timestamp())
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modified_at = db.Column(db.DateTime,
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nullable=False,
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default=db.func.current_timestamp(),
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onupdate=db.func.current_timestamp())
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name = db.Column(db.String, nullable=False)
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device_type_id = db.Column(db.Integer, db.ForeignKey('device_types.id'))
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device_type = db.relationship("DeviceType", foreign_keys=[device_type_id])
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configuration = db.Column(JSON, nullable=True)
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users = db.relationship("DeviceAssociation",
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cascade="save-update, merge, delete")
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recordings = db.relationship("Recording",
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cascade="save-update, merge, delete")
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def __init__(self, name, configuration=None, device_type=1):
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self.name = name
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self.configuration = configuration
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self.device_type_id = device_type
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def save(self):
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"""
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Stores this device to database
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This may raise errors
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"""
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db.session.add(self)
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db.session.commit()
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def delete(self):
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"""
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Deletes this recording from database
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"""
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db.session.delete(self)
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db.session.commit()
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@staticmethod
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def get_many(**kwargs):
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"""
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Get many devices with given filters as a list
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Available filters:
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* id
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* name
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* device_type_id
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* created_at
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* modified_at
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* configuration (useless)
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"""
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return Device.query.filter_by(**kwargs).paginate(
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None, None, False).items
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@staticmethod
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def get_many_for_user(account_id):
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"""
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Get many devices which are associated to account
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"""
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return Device.query.filter(
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Device.users.any(account_id=account_id)
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).paginate(None, None, False).items
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@staticmethod
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def get(**kwargs):
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"""
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Get device with given filters
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Available filters:
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* id
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* name
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* device_type_id
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* created_at
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* modified_at
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* configuration (useless)
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"""
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return Device.query.filter_by(**kwargs).first_or_404()
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@staticmethod
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def exists(**kwargs):
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"""
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Checks if device with all of the given arguments exists
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"""
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if Device.query.filter_by(**kwargs).first():
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return True
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return False
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def __repr__(self):
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return '<Device (name=%s, type=%s)>' % (
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self.name, self.device_type_id)
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class DeviceAssociation(db.Model):
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__tablename__ = 'device_associations'
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device_id = db.Column(db.Integer, db.ForeignKey('devices.id'),
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primary_key=True)
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account_id = db.Column(db.Integer, db.ForeignKey('accounts.id'),
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primary_key=True)
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access_level = db.Column(db.Integer, db.ForeignKey('access_levels.id'),
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nullable=False)
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def __init__(self, device_id, account_id, access_level=1):
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self.device_id = device_id
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self.account_id = account_id
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self.access_level = access_level
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def save(self):
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"""
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Stores this device association to database
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This may raise errors
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"""
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db.session.add(self)
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db.session.commit()
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@staticmethod
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def get_many(**kwargs):
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"""
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Get many device associations with given filters as a list
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Available filters:
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* device_id
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* account_id
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"""
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return DeviceAssociation.query.filter_by(**kwargs).all()
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@staticmethod
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def get_for_user(account_id):
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"""
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Get many device associations for user with account id passed in
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parameter
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"""
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return DeviceAssociation.get_many(account_id=account_id)
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@staticmethod
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def get_for_device(device_id):
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"""
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Get many device associations for device with account id passed in
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parameter
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"""
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return DeviceAssociation.get_many(device_id=device_id)
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def __repr__(self):
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return '<DeviceAssociation (device_id=%s, accoount_id=%s)>' % (
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self.device_id, self.account_id)
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class DeviceType(db.Model):
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__tablename__ = 'device_types'
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id = db.Column(db.Integer, primary_key=True)
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name = db.Column(db.String, nullable=False)
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def __init__(self, name):
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self.name = name
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def save(self):
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"""
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Stores this device type to database
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This may raise errors
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"""
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db.session.add(self)
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db.session.commit()
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@staticmethod
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def get_many(**kwargs):
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"""
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Get many devices types with given filters as a list
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Available filters:
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* id
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* name
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"""
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return DeviceType.query.filter_by(**kwargs).paginate(
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None, None, False).items
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@staticmethod
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def get(**kwargs):
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"""
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Get device type with given filters
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Available filters:
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* id
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* name
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"""
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return DeviceType.query.filter_by(**kwargs).first_or_404()
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@staticmethod
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def exists(**kwargs):
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"""
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Checks if device type with all of the given arguments exists
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"""
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if DeviceType.query.filter_by(**kwargs).first():
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return True
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return False
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def __repr__(self):
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return '<DeviceType (name %s)>' % self.name
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class AccessLevel(db.Model):
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__tablename__ = 'access_levels'
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id = db.Column(db.Integer, primary_key=True)
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name = db.Column(db.String, nullable=False)
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def __init__(self, name):
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self.name = name
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def __repr__(self):
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return '<AccessLevel (name %s)>' % self.name
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