add the functionality for project supervisors to assign and remove to selected exam

This commit is contained in:
dominik24c 2022-10-27 15:59:02 +02:00
parent 3c5accfc6e
commit 350d9d2a32
5 changed files with 120 additions and 0 deletions

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@ -18,6 +18,7 @@ class Config:
SQLALCHEMY_TRACK_MODIFICATIONS = False SQLALCHEMY_TRACK_MODIFICATIONS = False
SQLALCHEMY_DATABASE_URI = f'sqlite:///{BASE_DIR / "db.sqlite"}' SQLALCHEMY_DATABASE_URI = f'sqlite:///{BASE_DIR / "db.sqlite"}'
LIMIT_STUDENTS_PER_GROUP = 5 LIMIT_STUDENTS_PER_GROUP = 5
LIMIT_PERSONS_PER_COMMITTEE = 4
DESCRIPTION = 'System PRI' DESCRIPTION = 'System PRI'
OPENAPI_VERSION = '3.0.2' OPENAPI_VERSION = '3.0.2'

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@ -0,0 +1,33 @@
import datetime
from flask import abort
from ..dependencies import db
from ..examination_schedule.models import Enrollment, ExaminationSchedule, Committee
def get_enrollment_by_enrollment_and_examination_schedule_ids(examination_schedule_id: int,
enrollment_id: int) -> Enrollment:
enrollment = db.session.query(Enrollment). \
join(ExaminationSchedule, isouter=True).join(Committee, isouter=True). \
filter(ExaminationSchedule.id == examination_schedule_id). \
filter(Enrollment.id == enrollment_id). \
first()
if enrollment is None:
abort(404, "Examination schedule doesn't exist!")
return enrollment
def check_the_project_supervisor_is_in_committee(enrollment_id: int, project_supervisor_id) -> bool:
return db.session.query(
Committee.query.join(Committee.members).filter(Committee.enrollment_id == enrollment_id).filter(
Committee.members.any(id=project_supervisor_id)).exists()).scalar()
def check_the_enrollments_has_just_started(start_date: datetime.datetime, action: str) -> None:
now = datetime.datetime.utcnow()
if start_date is not None and start_date.timestamp() < now.timestamp():
abort(403, f"Forbidden! Enrollment has just started! You cannot {action} from the exam committees!")

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@ -1,3 +1,7 @@
from flask import Blueprint from flask import Blueprint
from .enrollments import bp as enrollments_bp
bp = Blueprint("project_supervisor", __name__, url_prefix="/project_supervisor") bp = Blueprint("project_supervisor", __name__, url_prefix="/project_supervisor")
bp.register_blueprint(enrollments_bp)

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@ -0,0 +1,66 @@
import datetime
from apiflask import APIBlueprint
from flask import abort, current_app
from ..schemas import MessageSchema, CommitteeCreateSchema, TemporaryProjectSupervisorSchema
from ...examination_schedule.models import Enrollment, Committee, ExaminationSchedule
from ...dependencies import db
from ..models import ProjectSupervisor
from ..query import get_enrollment_by_enrollment_and_examination_schedule_ids, \
check_the_project_supervisor_is_in_committee, check_the_enrollments_has_just_started
bp = APIBlueprint("enrollments", __name__, url_prefix="/")
@bp.post('/<int:examination_schedule_id>/enrollments/<int:enrollment_id>/')
@bp.input(CommitteeCreateSchema)
@bp.output(MessageSchema)
def assign_yourself_to_committee(examination_schedule_id: int, enrollment_id: int, data: dict) -> dict:
# this code will be removed
project_supervisor = db.session.query(ProjectSupervisor).filter(
ProjectSupervisor.id == data['project_supervisor_id']).first()
if project_supervisor is None:
abort(404, "ProjectSupervisor doesn't exist!")
################
limit_of_committtee = current_app.config['LIMIT_PERSONS_PER_COMMITTEE']
enrollment = get_enrollment_by_enrollment_and_examination_schedule_ids(examination_schedule_id, enrollment_id)
check_the_enrollments_has_just_started(enrollment.examination_schedule.start_date, "assign")
size_of_committee = db.session.query(Committee).join(Committee.members). \
filter(Committee.enrollment_id == enrollment.id).count()
if size_of_committee >= limit_of_committtee:
abort(400, "The committee is full!")
if check_the_project_supervisor_is_in_committee(enrollment.id, project_supervisor.id):
abort(400, "You have already in this committee!")
enrollment.committee.members.append(project_supervisor)
db.session.add(enrollment)
db.session.commit()
return {"message": "You have just assigned yourself to committee!"}
@bp.delete('/<int:examination_schedule_id>/enrollments/<int:enrollment_id>/')
@bp.input(TemporaryProjectSupervisorSchema)
@bp.output(MessageSchema)
def delete_yourself_from_committee(examination_schedule_id: int, enrollment_id: int, data: dict) -> dict:
# this code will be removed
project_supervisor = db.session.query(ProjectSupervisor).filter(ProjectSupervisor.id == data['id']).first()
if project_supervisor is None:
abort(404, "ProjectSupervisor doesn't exist!")
################
enrollment = get_enrollment_by_enrollment_and_examination_schedule_ids(examination_schedule_id, enrollment_id)
check_the_enrollments_has_just_started(enrollment.examination_schedule.start_date, "delete")
if not check_the_project_supervisor_is_in_committee(enrollment.id, project_supervisor.id):
abort(400, "You are not assigned to this committee!")
enrollment.committee.members.remove(project_supervisor)
db.session.commit()
return {"message": "You have just removed from committee!"}

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@ -0,0 +1,16 @@
from marshmallow import fields, validate, Schema
# MessageSchema, CommitteeCreateSchema
class MessageSchema(Schema):
message = fields.Str()
class CommitteeCreateSchema(Schema):
project_supervisor_id = fields.Integer(required=True) # temporary field it will be removed in the future
# temporary class it will be removed in the future
class TemporaryProjectSupervisorSchema(Schema):
id = fields.Integer(required=True)