viveksantayana/ska-referee-test
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Added models and views

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This commit is contained in:
Vivek Santayana
2022-06-12 21:03:51 +01:00
parent 66e7b2b9f8
commit 8439d99949
12 changed files with 276 additions and 125 deletions
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3
ref-test/app/models/__init__.py
View File

@@ -0,0 +1,3 @@
from .entry import Entry
from .test import Test
from .user import User

50
ref-test/app/models/entry.py
View File

@@ -1,4 +1,13 @@
from main import db
from ..modules import db
from ..tools.forms import JsonEncodedDict
from ..tools.encryption import decrypt, encrypt
from ..tools.logs import write
from .test import Test
from flask import jsonify
from flask_login import current_user
from datetime import datetime, timedelta
class Entry(db.Model):
@@ -8,13 +17,14 @@ class Entry(db.Model):
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'))
test_code = db.Column(db.String(36), db.ForeignKey('test.test_code'))
test_code = db.Column(db.String(36), db.ForeignKey('test.code'))
user_code = db.Column(db.String(6), nullable=True)
start_time = db.Column(db.DateTime, nullable=False)
end_time = db.Column(db.DateTime, nullable=True)
status = db.Column(db.String(16), nullable=True)
late_ignore = db.Column(db.Boolean, default=False, nullable=True)
valid = db.Column(db.Boolean, default=True, nullable=True)
answers = db.Column(JsonEncodedDict, nullable=True)
result = db.Column(JsonEncodedDict, nullable=True)
@property
def set_first_name(self): raise AttributeError('set_first_name is not a readable attribute.')
@@ -35,7 +45,7 @@ class Entry(db.Model):
@property
def set_email(self): raise AttributeError('set_email is not a readable attribute.')
set_name.setter
set_email.setter
def set_email(self, email:str): self.email = encrypt(email)
def get_email(self): return decrypt(self.email)
@@ -43,7 +53,35 @@ class Entry(db.Model):
@property
def set_club(self): raise AttributeError('set_club is not a readable attribute.')
set_name.setter
set_club.setter
def set_club(self, club:str): self.club = encrypt(club)
def get_club(self): return decrypt(self.club)
def get_club(self): return decrypt(self.club)
def start(self):
self.start_time = datetime.now()
self.status = 'started'
write('tests.log', f'New test started by {self.get_first_name()} {self.get_surname()}.')
db.session.commit()
def complete(self):
self.end_time = datetime.now()
write('tests.log', f'Test completed by {self.get_first_name()} {self.get_surname()}.')
test = Test.query.filter_by(code=self.test_code).first()
delta = timedelta(minutes=test.time_limit)
if not test.time_limit or self.end_time <= self.start_time + delta:
self.status = 'finished'
self.valid = True
else:
self.status = 'late'
self.valid = False
db.session.commit()
def validate(self):
if self.valid: return False, jsonify({'error':f'The entry is already valid.'})
if self.status == 'started': return False, jsonify({'error':f'The entry is still pending.'})
self.valid = True
self.status = 'completed'
db.session.commit()
message = f'The entry {self.id} has been validated by {current_user.get_username()}.'
return True, jsonify({'success': message})

193
ref-test/app/models/test.py
View File

@@ -1,112 +1,91 @@
class Test:
def __init__(self, _id=None, start_date=None, expiry_date=None, time_limit=None, creator=None, dataset=None):
self._id = _id
self.start_date = start_date
self.expiry_date = expiry_date
self.time_limit = None if time_limit == 'none' or time_limit == '' or time_limit == None else int(time_limit)
self.creator = creator
self.dataset = dataset
from ..modules import db
from ..tools.encryption import decrypt, encrypt
from ..tools.forms import JsonEncodedDict
from ..tools.logs import write
from flask import jsonify
from flask.helpers import flash
from flask_login import current_user
from datetime import datetime
from json import dump, loads
import os
import secrets
class Test(db.Model):
id = db.Column(db.String(36), primary_key=True)
code = db.Column(db.String(36), nullable=False)
start_date = db.Column(db.DateTime, nullable=True)
end_date = db.Column(db.DateTime, nullable=True)
time_limit = db.Column(db.Integer, nullable=True)
creator = db.Column(db.String(36), db.ForeignKey('user.id'))
data = db.Column(db.String(36), nullable=False)
adjustments = db.Column(JsonEncodedDict, nullable=True)
def __repr__(self):
return f'<test with code {self.code} was created by {current_user.get_username()}.>'
def get_code(self):
code = self.code.upper()
return '—'.join([code[:4], code[4:8], code[8:]])
def create(self):
from main import app, db
test = {
'_id': self._id,
'date_created': datetime.today(),
'start_date': self.start_date,
'expiry_date': self.expiry_date,
'time_limit': self.time_limit,
'creator': encrypt(self.creator),
'test_code': secrets.token_hex(6).upper(),
'dataset': self.dataset
}
if db.tests.insert_one(test):
dataset_file_path = os.path.join(app.config["DATA_FILE_DIRECTORY"],self.dataset)
with open(dataset_file_path, 'r') as dataset_file:
data = loads(dataset_file.read())
data['meta']['tests'].append(self._id)
with open(dataset_file_path, 'w') as dataset_file:
dump(data, dataset_file, indent=2)
flash(f'Created a new exam with Exam Code <strong>{self.render_test_code(test["test_code"])}</strong>.', 'success')
return jsonify({'success': test}), 200
return jsonify({'error': f'Could not create exam. An error occurred.'}), 400
def add_time_adjustment(self, time_adjustment):
from main import db
user_code = secrets.token_hex(3).upper()
adjustment = {
user_code: time_adjustment
}
if db.tests.find_one_and_update({'_id': self._id}, {'$set': {'time_adjustments': adjustment}},upsert=False):
flash(f'Time adjustment for {time_adjustment} minutes has been added. This can be enabled using the user code {user_code}.')
return jsonify({'success': adjustment})
return jsonify({'error': 'Failed to add the time adjustment. An error occurred.'}), 400
def remove_time_adjustment(self, user_code):
from main import db
if db.tests.find_one_and_update({'_id': self._id}, {'$unset': {f'time_adjustments.{user_code}': {}}}):
message = 'Time adjustment has been deleted.'
flash(message, 'success')
return jsonify({'success': message})
return jsonify({'error': 'Failed to delete the time adjustment. An error occurred.'}), 400
def render_test_code(self, test_code):
return '—'.join([test_code[:4], test_code[4:8], test_code[8:]])
def parse_test_code(self, test_code):
return test_code.replace('—', '')
db.session.add(self)
db.session.commit()
write('system.log', f'Test with code {self.code} created by {current_user.get_username()}.')
def delete(self):
from main import app, db
test = db.tests.find_one({'_id': self._id})
if 'entries' in test:
if test['entries']:
return jsonify({'error': 'Cannot delete an exam that has entries submitted to it.'}), 400
if self.dataset is None:
self.dataset = db.tests.find_one({'_id': self._id})['dataset']
if db.tests.delete_one({'_id': self._id}):
dataset_file_path = os.path.join(app.config["DATA_FILE_DIRECTORY"],self.dataset)
with open(dataset_file_path, 'r') as dataset_file:
data = loads(dataset_file.read())
data['meta']['tests'].remove(self._id)
with open(dataset_file_path, 'w') as dataset_file:
dump(data, dataset_file, indent=2)
message = 'Deleted exam.'
flash(message, 'alert')
return jsonify({'success': message}), 200
return jsonify({'error': f'Could not create exam. An error occurred.'}), 400
code = self.code
db.session.delete(self)
db.session.commit()
write('system.log', f'Test with code {code} deleted by {current_user.get_username()}.')
def start(self):
now = datetime.now()
if self.start_date > now:
self.start_date = now
db.session.commit()
message = f'Test with code {self.code} started by {current_user.get_username()}.'
write('system.log', message)
return True, jsonify({'success': message})
return False, jsonify({'error': f'Test with code {self.code} has already started.'})
def update(self):
from main import db
test = {}
updated = []
if not self.start_date == '' and self.start_date is not None:
test['start_date'] = self.start_date
updated.append('start date')
if not self.expiry_date == '' and self.expiry_date is not None:
test['expiry_date'] = self.expiry_date
updated.append('expiry date')
if not self.time_limit == '' and self.time_limit is not None:
test['time_limit'] = int(self.time_limit)
updated.append('time limit')
output = ''
if len(updated) == 0:
flash(f'There were no changes requested for your account.', 'alert'), 200
return jsonify({'success': 'There were no changes requested for your account.'}), 200
elif len(updated) == 1:
output = updated[0]
elif len(updated) == 2:
output = ' and '.join(updated)
elif len(updated) > 2:
output = updated[0]
for index in range(1,len(updated)):
if index < len(updated) - 2:
output = ', '.join([output, updated[index]])
elif index == len(updated) - 2:
output = ', and '.join([output, updated[index]])
else:
output = ''.join([output, updated[index]])
db.tests.find_one_and_update({'_id': self._id}, {'$set': test})
_output = f'The {output} of the test {"has" if len(updated) == 1 else "have"} been updated.'
flash(_output)
return jsonify({'success': _output}), 200
def end(self):
now = datetime.now()
if self.end_date > now:
self.end_date = now
db.session.commit()
message = f'Test with code {self.code} ended by {current_user.get_username()}.'
write('system.log', message)
return True, jsonify({'success': message})
return False, jsonify({'error': f'Test with code {self.code} has already started.'})
def add_adjustment(self, time:int):
adjustments = self.adjustments if self.adjustments is not None else {}
code = secrets.token_hex(3).lower()
adjustments[code] = time
self.adjustments = adjustments
db.session.commit()
write('system.log', f'Time adjustment for {time} minutes with code {code} added to test {self.get_code()} by {current_user.get_username()}.')
return True, jsonify({'success': f'Time adjustment for {time} minutes added to test {self.get_code()}. This can be accessed using the user code {code.upper()}.'})
def remove_adjustment(self, code:str):
if not self.adjustments: return False, jsonify({'error': f'There are no adjustments configured for test {self.get_code()}.'})
self.adjustments.pop(code)
if not self.adjustments: self.adjustments = None
db.session.commit()
message = f'Time adjustment for with code {code} removed from test {self.get_code()} by {current_user.get_username()}.'
write('system.log', message)
return True, jsonify({'success': message})
def update(self, start_date:datetime=None, end_date:datetime=None, time_limit:int=None):
if not start_date and not end_date and time_limit is None: return False, jsonify({'error': 'There were no changes requested.'})
if start_date: self.start_date = start_date
if end_date: self.end_date = end_date
if time_limit is not None: self.time_limit = time_limit
db.session.commit()
message = f'Test with code {self.get_code()} has been updated by user {current_user.get_username()}'
write('system.log', message)
return True, jsonify({'success': message})

29
ref-test/app/models/user.py
View File

@@ -2,13 +2,13 @@ from ..modules import db
from ..tools.encryption import decrypt, encrypt
from ..tools.logs import write
import secrets
from flask import flash, jsonify, session
from flask.helpers import url_for
from flask_login import UserMixin, login_user, logout_user
from flask_login import current_user, login_user, logout_user, UserMixin
from werkzeug.security import check_password_hash, generate_password_hash
import secrets
from uuid import uuid4
class User(UserMixin, db.Model):
id = db.Column(db.String(36), primary_key=True)
username = db.Column(db.String(128), nullable=False)
@@ -20,6 +20,12 @@ class User(UserMixin, db.Model):
def __repr__(self):
return f'<user {self.username}> 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_username(self): raise AttributeError('set_username is not a readable attribute.')
@@ -57,17 +63,11 @@ class User(UserMixin, db.Model):
return True, f'User {self.get_username()} was created successfully.'
def login(self, remember:bool=False):
self.authenticated = True
db.session.add(self)
db.session.commit()
login_user(self, remember = remember)
write('users.log', f'User \'{self.get_username()}\' has logged in.')
flash(message=f'Welcome {self.get_username()}', category='success')
def logout(self):
self.authenticated = False
db.session.add(self)
db.session.commit()
session['remembered_username'] = self.get_username()
logout_user()
write('users.log', f'User \'{self.get_username()}\' has logged out.')
@@ -93,4 +93,13 @@ class User(UserMixin, db.Model):
username = self.get_username()
db.session.delete(self)
db.session.commit()
write('users.log', f'User \'{username}\' was deleted.') # TODO add current user
write('users.log', f'User \'{username}\' was deleted by \'{current_user.get_username()}\'.')
def update(self, password:str=None, email:str=None):
if not password and not email: return False, jsonify({'error': 'There were no changes requested.'})
if password: self.set_password(password)
if email: self.set_email(email)
db.session.commit()
message = f'Information for user {self.get_username()} has been updated by {current_user.get_username()}.'
write('system.log', message)
return True, jsonify({'success': message})