156 lines
4.3 KiB
Python
156 lines
4.3 KiB
Python
from datetime import datetime
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from app 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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@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()
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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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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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@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).all()
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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()
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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 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 __repr__(self):
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return '<DeviceType (name %s)>' % self.name
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