/
orm_timeseries_bro.py
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/
orm_timeseries_bro.py
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"""
Declaration via ORM mapping of KINM data, including FEWS time series
compatibla datamodel, requires:
Pyhton packages
- sqlalchemy
- geoalchemy2
PostgreSQL/PostGIS
- schema timeseries
"""
# Copyright notice
# --------------------------------------------------------------------
# Copyright (C) 2022 Deltares for Projects with a FEWS datamodel in
# PostgreSQL/PostGIS database used in Water Information Systems
# Gerrit Hendriksen@deltares.nl
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this library. If not, see <http://www.gnu.org/licenses/>.
# --------------------------------------------------------------------
#
# This tool is part of <a href="http://www.OpenEarth.eu">OpenEarthTools</a>.
# OpenEarthTools is an online collaboration to share and manage data and
# programming tools in an open source, version controlled environment.
# Sign up to recieve regular updates of this function, and to contribute
# your own tools.
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import Sequence, ForeignKey, Column, UniqueConstraint,PrimaryKeyConstraint
from sqlalchemy import Integer, Float, DateTime, String, Text
from geoalchemy2 import Geometry
from sqlalchemy.dialects import postgresql
Base = declarative_base()
"""
FEWS data model has been partially adopted. Due to completion of the datamodel with borehole datamodel the timeseries datamodel is split in
several parts. A common part of the datamodel (location, filesource, parameter and unit tables) are now considered as shared tables over various schemas
"""
class TimeStep(Base):
__tablename__ = 'timesteps'
__table_args__ = {'schema': 'gwmonitoring'}
timestepkey = Column(Integer,Sequence('gwmonitoring.timesteps_timestepkey_seq'),primary_key=True)
id = Column(String, unique=True,nullable=False)
label = Column(String)
class TimeSeries(Base):
__tablename__ = 'timeseries'
__table_args__ = {'schema': 'gwmonitoring'}
timeserieskey = Column(Integer, Sequence('gwmonitoring.timeserieskeys_timeserieskey_seq'),primary_key=True)
locationkey = Column(Integer, ForeignKey('gwmonitoring.location.locationkey', ondelete='CASCADE'))
parameterkey = Column(Integer, ForeignKey('gwmonitoring.parameter.parameterkey', ondelete='CASCADE'))
timestepkey = Column(Integer, ForeignKey('gwmonitoring.timesteps.timestepkey', ondelete='CASCADE'))
filesourcekey = Column(Integer, ForeignKey('gwmonitoring.filesource.filesourcekey', ondelete='CASCADE'))
valuetype = Column(Integer, nullable=False,default=0)
modificationtime = Column(DateTime, nullable=False)
class TimeSeriesComments(Base):
__tablename__ = 'timeseriescomments'
__table_args__ = {'schema': 'gwmonitoring'}
timeserieskey = Column(Integer,ForeignKey('gwmonitoring.timeseries.timeserieskey', ondelete='CASCADE'),primary_key=True)
datetime = Column(DateTime, primary_key = True)
commenttext = Column(String)
class Users(Base):
__tablename__ = 'users'
__table_args__ = {'schema': 'gwmonitoring'}
userkey = Column(Integer,Sequence('gwmonitoring.users_userkey_seq'),primary_key=True)
id = Column(String, unique=True,nullable=False)
name = Column(String)
class Flags(Base):
__tablename__ = 'flags'
__table_args__ = {'schema': 'gwmonitoring'}
flagkey = Column(Integer,Sequence('gwmonitoring.users_flagkey_seq'),primary_key=True)
id = Column(String, unique=True,nullable=False)
name = Column(String)
class TimeSeriesManualEditsHistory(Base):
__tablename__ = 'timeseriesmanualeditshistory'
__table_args__ = {'schema': 'gwmonitoring'}
timeserieskey = Column(Integer,ForeignKey('gwmonitoring.timeseries.timeserieskey', ondelete='CASCADE'),primary_key=True)
editdatetime = Column(DateTime, primary_key = True)
datetime = Column(DateTime, primary_key = True)
userkey = Column(Integer,ForeignKey('gwmonitoring.users.userkey', ondelete='CASCADE'))
scalarvalue = Column(Float)
flags = Column(Integer,nullable=False)
commenttext = Column(String)
class TimeSeriesValuesAndFlags(Base):
__tablename__ = 'timeseriesvaluesandflags'
__table_args__ = (PrimaryKeyConstraint('timeserieskey', 'datetime','scalarvalue'),{'schema': 'gwmonitoring'})
timeserieskey = Column(Integer, ForeignKey('gwmonitoring.timeseries.timeserieskey', ondelete='CASCADE'), nullable = False)
datetime = Column(DateTime, nullable=False)
scalarvalue = Column(Float,nullable=False)
flags = Column(Integer,ForeignKey('gwmonitoring.flags.flagkey', ondelete='CASCADE'), nullable=False)
"""records pump history"""
class Parameter(Base):
__tablename__ = 'parameter'
__table_args__ = {'schema': 'gwmonitoring'}
parameterkey = Column(Integer,Sequence('gwmonitoring.parameter_parameterkey_seq'),primary_key=True)
id = Column(String)
name = Column(String)
unitkey = Column(Integer, ForeignKey('gwmonitoring.unit.unitkey', ondelete='CASCADE'))
compartment = Column(String)
shortname = Column(String)
description = Column(String)
valueresolution = Column(Float)
waarnemingssoort = Column(String)
class Unit(Base):
__tablename__ = 'unit'
__table_args__ = {'schema': 'gwmonitoring'}
unitkey = Column(Integer,Sequence('gwmonitoring.unitdesc_seq'),primary_key=True)
unit = Column(String,nullable=False)
unitdescription = Column(String)
class FileSource(Base):
__tablename__ ='filesource'
__table_args__ = {'schema': 'gwmonitoring'}
filesourcekey = Column(Integer,Sequence('gwmonitoring.filesource_seq'),primary_key=True)
deviceid = Column(String)
filesource = Column(String,nullable=False)
remark = Column(String)
lasttransactionid = Column(Integer)
def __repr__(self):
return "<FileSource: filesourcekey=%s, lasttransactionid=%s) >" % (self.filesourcekey, self.lasttransactionid)
class Transaction(Base):
__tablename__ ='transaction'
__table_args__ = {'schema': 'gwmonitoring'}
transactionkey = Column(Integer,Sequence('gwmonitoring.transaction_seq'),primary_key=True)
timeserieskey = Column(Integer, ForeignKey('gwmonitoring.timeseries.timeserieskey', ondelete='CASCADE'), nullable = False)
transactiontime = Column(DateTime, nullable=False)
periodstart = Column(DateTime, nullable=False)
periodend = Column(DateTime, nullable=False)
transactionid = Column(Integer,nullable=False)
class Location(Base):
__tablename__ = 'location'
__table_args__ = {'schema': 'gwmonitoring'}
locationkey = Column(Integer,Sequence('gwmonitoring.location_locationkey_seq1'),primary_key=True) #key
filesourcekey = Column(Integer,ForeignKey('gwmonitoring.filesource.filesourcekey', ondelete='CASCADE')) #fskey
diverid = Column(String)
filterid = Column(Integer)
filterdepth = Column(Float)
name = Column(String)
shortname = Column(String)
description = Column(String)
x = Column(Float)
y = Column(Float)
z = Column(Float)
epsgcode = Column(Integer)
geom = Column(Geometry('POINT', srid=28992))
altitude_msl = Column(Float) #hoogte maaiveld
tubetop = Column(Float)
tubebot = Column(Float)
cablelength = Column(Float) #kabellengte
def __repr__(self):
return "<Location: locationkey=%s)>" % (self.locationkey)