ska-referee-test/ref-test/app/models/entry.py

203 lines
9.2 KiB
Python

from ..extensions import db, mail
from ..tools.forms import JsonEncodedDict
from ..tools.encryption import decrypt, encrypt
from ..tools.logs import write
from .test import Test
from flask_login import current_user
from flask_mail import Message
from smtplib import SMTPException
from sqlalchemy.exc import SQLAlchemyError
from datetime import datetime, timedelta
from uuid import uuid4
class Entry(db.Model):
id = db.Column(db.String(36), primary_key=True)
first_name = db.Column(db.String(128), nullable=False)
surname = db.Column(db.String(128), nullable=False)
email = db.Column(db.String(128), nullable=False)
club = db.Column(db.String(128), nullable=True)
test_id = db.Column(db.String(36), db.ForeignKey('test.id'))
user_code = db.Column(db.String(6), nullable=True)
start_time = db.Column(db.DateTime, nullable=True)
end_time = db.Column(db.DateTime, nullable=True)
status = db.Column(db.String(16), nullable=True)
valid = db.Column(db.Boolean, default=True, nullable=True)
answers = db.Column(JsonEncodedDict, nullable=True)
result = db.Column(JsonEncodedDict, nullable=True)
def __repr__(self):
return f'<New entry by {self.first_name} {self.surname}> was added with <id {self.id}>.'
@property
def generate_id(self): raise AttributeError('generate_id is not a readable attribute.')
generate_id.setter
def generate_id(self): self.id = uuid4().hex
@property
def set_first_name(self): raise AttributeError('set_first_name is not a readable attribute.')
set_first_name.setter
def set_first_name(self, name:str): self.first_name = encrypt(name)
def get_first_name(self): return decrypt(self.first_name)
@property
def set_surname(self): raise AttributeError('set_first_name is not a readable attribute.')
set_surname.setter
def set_surname(self, name:str): self.surname = encrypt(name)
def get_surname(self): return decrypt(self.surname)
@property
def set_email(self): raise AttributeError('set_email is not a readable attribute.')
set_email.setter
def set_email(self, email:str): self.email = encrypt(email)
def get_email(self): return decrypt(self.email)
@property
def set_club(self): raise AttributeError('set_club is not a readable attribute.')
set_club.setter
def set_club(self, club:str): self.club = encrypt(club)
def get_club(self): return decrypt(self.club)
def ready(self):
self.generate_id()
try:
db.session.add(self)
db.session.commit()
except SQLAlchemyError as exception:
db.session.rollback()
write('system.log', f'Database error when preparing new entry for {self.get_surname()}, {self.get_first_name()}: {exception}')
return False, f'Database error: {exception}'
write('tests.log', f'New test ready for {self.get_surname()}, {self.get_first_name()} with id {self.id}.')
return True, f'Test ready.'
def start(self):
self.start_time = datetime.now()
self.status = 'started'
try: db.session.commit()
except SQLAlchemyError as exception:
db.session.rollback()
write('system.log', f'Database error when starting test for {self.get_surname()}, {self.get_first_name()}: {exception}')
return False, f'Database error: {exception}'
write('tests.log', f'Test started by {self.get_surname()}, {self.get_first_name()} with id {self.id}.')
return True, f'New test started with id {self.id}.'
def complete(self, answers:dict=None, result:dict=None):
self.end_time = datetime.now()
self.answers = answers
self.result = result
delta = timedelta(minutes=int(0 if self.test.time_limit is None else self.test.time_limit)+1)
if not self.test.time_limit or self.end_time <= self.start_time + delta:
self.status = 'completed'
self.valid = True
else:
self.status = 'late'
self.valid = False
try: db.session.commit()
except SQLAlchemyError as exception:
db.session.rollback()
write('system.log', f'Database error when submitting entry for {self.get_surname()}, {self.get_first_name()}: {exception}')
return False, f'Database error: {exception}'
write('tests.log', f'Test completed by {self.get_surname()}, {self.get_first_name()} with id {self.id}.')
return True, f'Test entry completed for id {self.id}.'
def validate(self):
if self.valid: return False, f'The entry is already valid.'
if self.status == 'started': return False, 'The entry is still pending.'
self.valid = True
self.status = 'completed'
try: db.session.commit()
except SQLAlchemyError as exception:
db.session.rollback()
write('system.log', f'Database error when validating entry {self.id}: {exception}')
return False, f'Database error: {exception}'
write('system.log', f'The entry {self.id} has been validated by {current_user.get_username()}.')
return True, f'The entry {self.id} has been validated.'
def delete(self):
id = self.id
name = f'{self.get_first_name()} {self.get_surname()}'
try:
db.session.delete(self)
db.session.commit()
except SQLAlchemyError as exception:
db.session.rollback()
write('system.log', f'Database error when deleting entry {id}: {exception}')
return False, f'Database error: {exception}'
write('system.log', f'The entry {id} by {name} has been deleted by {current_user.get_username()}.')
return True, 'Entry deleted.'
def notify_result(self):
score = round(100*self.result['score']/self.result['max'])
tags_low = { tag: tag_result['max'] - tag_result['scored'] for tag, tag_result in self.result['tags'].items() }
sorted_low_tags = sorted(tags_low.items(), key=lambda x: x[1], reverse=True)
tag_output = [ tag[0] for tag in sorted_low_tags[0:3] if tag[1] > 3]
revision_plain = ''
revision_html = ''
if self.result['grade'] == 'pass':
flavour_text = """Well done on successfully completing the refereeing theory exam. We really appreciate members of our community taking the time to get qualified to referee.
"""
elif self.result['grade'] == 'merit':
flavour_text = """Congratulations on achieving a merit in the refereeing exam. We are delighted that members of our community work so hard with refereeing.
"""
elif self.result['grade'] == 'fail':
flavour_text = """Unfortunately, you were not successful in passing the theory exam in this attempt. We hope that this does not dissuade you, and that you try again in the future.
"""
revision_plain = f"""Based on your answers, we would also suggest you brush up on the following topics for your next attempt:\n\n
{','.join(tag_output)}\n\n
"""
revision_html = f"""<p>Based on your answers, we would also suggest you brush up on the following topics for your next attempt:</p>
<ul>
<li>{'</li><li>'.join(tag_output)}</li>
</ul>
"""
email = Message(
subject='RefTest | SKA Refereeing Theory Exam Results',
recipients=[self.get_email()],
body=f"""
SKA Refereeing Theory Exam
Candidate Results
Dear {self.get_first_name()},
This email is to confirm that you have taken the SKA Refereeing Theory Exam. Your submission has been evaluated and your results are as follows:
{self.get_surname()}, {self.get_first_name()}
Email Address: {self.get_email()}
{f'Club: {self.get_club()}' if self.club else ''}
Date of Exam: {self.end_time.strftime('%d %b %Y')}
Score: {score}%
Grade: {self.result['grade']}
{flavour_text}
{revision_plain}
Thank you for taking the time to become a qualified referee.
Best wishes,
SKA Refereeing
""",
html=f"""
<h1>SKA Refereeing Theory Exam</h1>
<h2>Candidate Results</h2>
<p>Dear {self.get_first_name()},</p>
<p>This email is to confirm that you have taken the SKA Refereeing Theory Exam. Your submission has been evaluated and your results are as follows:</p>
<h3>{self.get_surname()}, {self.get_first_name()}</h3>
<p><strong>Email Address</strong>: {self.get_email()}</p>
{f'<p><strong>Club</strong>: {self.get_club()}</p>' if self.club else ''}
<h1>{score}%</h1>
<h2>{self.result['grade']}</h2>
<p>{flavour_text}</p>
{revision_html}
<p>Thank you for taking the time to become a qualified referee.</p>
<p>Have a nice day!</p>
<p>Best wishes, <br/> SKA Refereeing</p>
"""
)
try: mail.send(email)
except SMTPException as exception:
write('system.log', f'SMTP Error when trying to notify results to {self.get_surname()}, {self.get_first_name()} with error: {exception}')