base.py
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import logging
from datetime import datetime
import ziggurat_foundations.models
from opensipkd.tools import as_timezone
from opensipkd.tools.upload import append_csv
from sqlalchemy import Column, String, SmallInteger, Integer, DateTime, func, Numeric
from sqlalchemy import inspect as sa_inspect
from sqlalchemy.ext.hybrid import hybrid_property
from sqlalchemy.orm import (scoped_session, sessionmaker, Session)
from zope.sqlalchemy import register
_logging = logging.getLogger(__name__)
class MySession(Session):
def execute(self, clause, params=None, mapper=None, **kw):
return Session.execute(self, clause, params) # , mapper
session_factory = sessionmaker(class_=MySession)
DBSession = scoped_session(session_factory)
register(DBSession)
ziggurat_foundations.models.DBSession = DBSession
TABLE_ARGS = dict(extend_existing=True, schema="public")
def flush(row, db_session=DBSession):
db_session.add(row)
db_session.flush()
class CommonModel(object):
db_session = DBSession
def to_dict_hybrid(self):
values = {}
for item in sa_inspect(self.__class__).all_orm_descriptors:
if hybrid_property == type(item):
value = getattr(self, item.__name__)
print(item.__name__, value)
if value:
values[item.__name__] = value
return values
def to_dict(self, null=False, date_format="%d-%m-%Y"): # Elixir like
values = {}
for column in self.__table__.columns:
value = getattr(self, column.name)
if value:
if type(column.type) is DateTime and date_format:
if value:
values[column.name] = value.strftime(date_format)
else:
values[column.name] = value
else:
if Integer in type(column.type).__mro__ or Numeric in type(column.type).__mro__:
if value == 0:
values[column.name] = 0
return values
def to_dict_without_none(self):
values = {}
for column in self.__table__.columns:
value = getattr(self, column.name)
if value is not None:
values[column.name] = value
return values
def from_dict(self, values, date_format="%d-%m-%Y"):
for column in self.__table__.columns:
if column.name in values:
_logging.debug(f"{column.name}: {column.type}: {values[column.name]}")
if type(column.type) is DateTime and date_format:
if values[column.name] and type(values[column.name]) is String:
setattr(self, column.name,
datetime.strptime(values[column.name], date_format))
continue
setattr(self, column.name, values[column.name])
def as_timezone(self, fieldname):
date_ = getattr(self, fieldname)
return date_ and as_timezone(date_) or None
@classmethod
def upload(cls, file, keys, **kwargs):
append_csv(cls, file, keys, get_file_func=get_file,
db_session=cls.db_session, dbase=Base, **kwargs)
class DefaultModel(CommonModel):
id = Column(Integer, primary_key=True)
db_session = DBSession
def __init__(self):
super().__init__()
self.db_session = DBSession
@classmethod
def save(cls, values, row=None, **kwargs):
if not row:
row = cls()
row.from_dict(values)
return row
@classmethod
def count(cls, db_session=None):
if not db_session:
db_session = cls.db_session
return db_session.query(func.count('id')).scalar()
@classmethod
def query(cls, db_session=None, filters=None):
if not db_session:
db_session = cls.db_session
query = db_session.query(cls)
if filters:
filter_expressions = []
for d in filters:
field = getattr(cls, d[0])
operator = d[1]
value = d[2]
filter_expressions.append(field.op(operator)(value))
query = query.filter(
*[e for i, e in enumerate(filter_expressions) if e is not None])
return query
@classmethod
def query_from(cls, db_session=None, columns=[], filters=None):
if not db_session:
db_session = cls.db_session
query = db_session.query().select_from(cls)
for c in columns:
query = query.add_columns(c)
return query
@classmethod
def query_id(cls, row_id, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query(db_session).filter_by(id=row_id)
@classmethod
def delete(cls, row_id, db_session=None):
if not db_session:
db_session = cls.db_session
cls.query_id(row_id, db_session).delete()
@classmethod
def flush(cls, row, db_session=None):
if not db_session:
db_session = cls.db_session
db_session.add(row)
db_session.flush()
class StandarModel(DefaultModel):
status = Column(SmallInteger, nullable=False, default=0)
created = Column(DateTime, nullable=True, default=datetime.utcnow)
updated = Column(DateTime, nullable=True)
create_uid = Column(Integer, nullable=True, default=1)
update_uid = Column(Integer, nullable=True)
# New Method
@classmethod
def query_status(cls, status=0, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query(db_session).filter_by(status=status)
@classmethod
def disabled(cls, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query_status(status=0, db_session=db_session)
@classmethod
def active(cls, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query_status(status=1, db_session=db_session)
@classmethod
def draft(cls, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.disabled(db_session=db_session)
@classmethod
def processed(cls, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query_status(status=1, db_session=db_session)
@classmethod
def canceled(cls, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query_status(status=9, db_session=db_session)
@classmethod
def get_active(cls, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query_status(status=1, db_session=db_session).all()
@classmethod
def get_disabled(cls, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query_status(status=0, db_session=db_session).all()
@classmethod
def get_archived(cls, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query_status(status=0, db_session=db_session).all()
class KodeModel(StandarModel):
kode = Column(String(32), nullable=False)
@classmethod
def query_kode(cls, kode, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query(db_session).filter_by(kode=kode)
@classmethod
def get_by_kode(cls, kode, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query_kode(kode, db_session=db_session).first()
class UraianModel(StandarModel):
nama = Column(String(128))
@classmethod
def query_nama(cls, nama, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query(db_session).filter_by(nama=nama)
@classmethod
def get_by_nama(cls, nama, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query_nama(nama, db_session=db_session).first()
@classmethod
def get_list(cls, db_session=None):
if not db_session:
db_session = cls.db_session
return db_session.query(cls.id, cls.nama).order_by(cls.nama).all()
class NamaModel(KodeModel):
nama = Column(String(128), nullable=False)
@classmethod
def query_nama(cls, nama, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query(db_session).filter_by(nama=nama)
@classmethod
def get_by_nama(cls, nama, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query_nama(nama, db_session=db_session).first()
@classmethod
def query_list(cls, db_session=None):
if not db_session:
db_session = cls.db_session
return db_session.query(cls.id, cls.nama).order_by(cls.nama)
@classmethod
def get_list(cls, db_session=None):
if not db_session:
db_session = cls.db_session
return cls.query_list(db_session=db_session).all()