system-pri/backend/app/project_supervisor/models.py

42 lines
1.9 KiB
Python

from flask_sqlalchemy import BaseQuery
from ..dependencies import db
from ..base.models import Person, Base
from ..base.utils import order_by_column_name
from ..students.models import YearGroup
class YearGroupProjectSupervisors(Base):
__tablename__ = 'year_group_project_supervisors'
project_supervisor_id = db.Column(db.Integer, db.ForeignKey('project_supervisors.id'), nullable=False)
year_group_id = db.Column(db.Integer, db.ForeignKey('year_groups.id'), nullable=False)
limit_group = db.Column(db.Integer, default=3, nullable=False)
class ProjectSupervisor(Base, Person):
__tablename__ = "project_supervisors"
year_groups = db.relationship('YearGroupProjectSupervisors', lazy=True)
@classmethod
def search_by_fullname_and_mode_and_order_by_first_name_or_last_name(cls, year_group_id: int = None,
fullname: str = None,
order_by_first_name: str = None,
order_by_last_name: str = None) -> BaseQuery:
project_supervisors_query = cls.query
if year_group_id is not None:
project_supervisors_query = project_supervisors_query.filter(YearGroup.id == year_group_id)
if fullname is not None:
project_supervisors_query = project_supervisors_query.filter(
(ProjectSupervisor.first_name + ' ' + ProjectSupervisor.last_name).like(f'{fullname}%'))
project_supervisors_query = order_by_column_name(project_supervisors_query, ProjectSupervisor.first_name,
order_by_first_name)
project_supervisors_query = order_by_column_name(project_supervisors_query, ProjectSupervisor.last_name,
order_by_last_name)
return project_supervisors_query