110 lines
4.4 KiB
Python
110 lines
4.4 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
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from sqlalchemy.ext.hybrid import hybrid_property
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from backend import db, app, login_manager
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import re
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from sqlalchemy import or_
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from datetime import datetime, timedelta
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from backend.models.virtual_command_model import virtual_command_recorder_command_table, virtual_command_recorder_table
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metadata = MetaData()
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class RecorderModel(db.Model):
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id = db.Column(db.Integer, autoincrement=True, primary_key=True)
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last_time_modified = db.Column(db.DateTime, nullable=True, default=None)
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record_adapter_id = db.Column(db.Unicode(63), unique=True, nullable=False)
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model_name = db.Column(db.Unicode(63), unique=True, nullable=False)
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notes = db.Column(db.Unicode(255), unique=False, nullable=True, default=None)
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recorder_commands = db.relationship('RecorderCommand', back_populates='recorder_model')
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recorders = db.relationship('Recorder', back_populates='recorder_model')
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checksum = db.Column(db.String(63), unique=True, nullable=False)
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@staticmethod
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def get_all():
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return RecorderModel.query.all()
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@staticmethod
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def get_by_name(name):
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return RecorderModel.query.filter(RecorderModel.model_name == name).first()
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@staticmethod
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def get_by_adapter_id(name):
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return RecorderModel.query.filter(RecorderModel.record_adapter_id == name).first()
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@staticmethod
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def get_by_checksum(md5_sum):
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return RecorderModel.query.filter(RecorderModel.checksum == md5_sum).first()
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class Recorder(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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last_time_modified = db.Column(db.DateTime, nullable=False, default=datetime.utcnow())
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name = db.Column(db.Unicode(63), unique=True, nullable=False)
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description = db.Column(db.Unicode(255), unique=False, nullable=True, default="")
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room_id = db.Column(db.Integer, db.ForeignKey('room.id'))
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room = db.relationship('Room', uselist=False, back_populates='recorder') # one-to-one relation (uselist=False)
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ip = db.Column(db.String(15), unique=True, nullable=True, default=None)
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network_name = db.Column(db.String(127), unique=True, nullable=True, default=None)
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telnet_port = db.Column(db.Integer, unique=False, nullable=False, default=23)
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ssh_port = db.Column(db.Integer, unique=False, nullable=False, default=22)
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recorder_model_id = db.Column(db.Integer, db.ForeignKey('recorder_model.id'))
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recorder_model = db.relationship('RecorderModel', back_populates='recorders')
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virtual_commands = db.relationship('VirtualCommand', secondary=virtual_command_recorder_table, back_populates='recorders')
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def __init__(self, **kwargs):
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super(Recorder, self).__init__(**kwargs)
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@staticmethod
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def get_by_name(name):
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return Recorder.query.filter(Recorder.name == name).first()
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@staticmethod
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def get_all():
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return Recorder.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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class RecorderCommand(db.Model):
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"""Table containing permissions associated with groups."""
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id = db.Column(db.Integer, autoincrement=True, primary_key=True)
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last_time_modified = db.Column(db.DateTime, nullable=True, default=None)
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name = db.Column(db.Unicode(63), unique=True, nullable=False)
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description = db.Column(db.Unicode(511), nullable=True, default=None)
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parameters_string = db.Column(db.String(2047), nullable=True)
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recorder_model = db.relationship('RecorderModel', back_populates='recorder_commands')
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recorder_model_id = db.Column(db.Integer, db.ForeignKey('recorder_model.id'))
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virtual_commands = db.relationship('VirtualCommand', secondary=virtual_command_recorder_command_table,
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back_populates='recorder_commands')
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@staticmethod
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def get_all():
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return RecorderCommand.query.all()
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@property
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def parameters(self):
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if self.parameters_string is None:
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return None
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return json.loads(self.parameters_string)
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@parameters.setter
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def parameters(self, parameters_dict: dict):
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self.parameters_string = json.dumps(parameters_dict)
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