Added a whole lot of views.

Finished quiz API views
Finished question generator and answer eval

ref-test/app/admin/views.py

@@ -1,6 +1,7 @@
-from ..forms.admin import CreateUser, Login, Register, ResetPassword, UpdatePassword
-from ..models import User
+from ..forms.admin import CreateUser, DeleteUser, Login, Register, ResetPassword, UpdatePassword, UpdateUser, UploadData
+from ..models import Dataset, User
 from ..tools.auth import disable_if_logged_in, require_account_creation
+from ..tools.data import check_is_json, validate_json
 
 from flask import Blueprint, flash, jsonify, render_template, redirect, request, session
 from flask.helpers import url_for
@@ -18,12 +19,16 @@ admin = Blueprint(
 @admin.route('/')
 @admin.route('/home/')
 @admin.route('/dashboard/')
+@login_required
 def _home():
-    return 'Home Page'
+    return 'Home Page' # TODO Dashboard
 
 @admin.route('/settings/')
+@login_required
 def _settings():
-    return 'Settings Page'
+    users = User.query.all()
+    datasets = Dataset.query.all()
+    return render_template('/admin/settings/index.html', users=users, datasets=datasets)
 
 @admin.route('/login/', methods=['GET','POST'])
 @disable_if_logged_in
@@ -64,7 +69,6 @@ def _register():
     if request.method == 'POST':
         if form.validate_on_submit():
             new_user = User()
-            new_user.generate_id()
             new_user.set_username = request.form.get('username').lower()
             new_user.set_email = request.form.get('email').lower()
             new_user.set_password = request.form.get('password').lower()
@@ -140,3 +144,86 @@ def _users():
         errors = [*form.username.errors, *form.email.errors, *form.password.errors]
         return jsonify({ 'error': errors}), 401
     return render_template('/admin/settings/users.html', form = form, users = users)
+
+@admin.route('/settings/users/delete/<string:id>', methods=['GET', 'POST'])
+@login_required
+def _delete_user(id:str):
+    user = User.query.filter_by(id=id).first()
+    form = DeleteUser()
+    if request.method == 'POST': 
+        if not user: return jsonify({'error': 'User does not exist.'}), 400
+        if id == current_user.id: return jsonify({'error': 'Cannot delete your own account.'}), 400
+        if form.validate_on_submit():
+            password = request.form.get('password')
+            if not current_user.verify_password(password): return jsonify({'error': 'The password you entered is incorrect.'}), 401
+            success, message = user.delete(notify=request.form.get('notify'))
+            if success: return jsonify({'success': message}), 200
+            return jsonify({'error': message}), 400
+        errors = form.password.errors
+        return jsonify({ 'error': errors}), 400
+
+    if id == current_user.id:
+        flash('Cannot delete your own user account.', 'error')
+        return redirect(url_for('admin._users'))
+    if not user:
+        flash('User not found.', 'error')
+        return redirect(url_for('admin._users'))
+    return render_template('/admin/settings/delete_user.html', form=form, id = id, user = user)
+
+@admin.route('/settings/users/update/<string:id>', methods=['GET', 'POST'])
+@login_required
+def _update_user(id:str):
+    user = User.query.filter_by(id=id).first()
+    form = UpdateUser()
+    if request.method == 'POST': 
+        if not user: return jsonify({'error': 'User does not exist.'}), 400
+        if form.validate_on_submit():
+            success, message = user.update(
+                password = request.form.get('password'),
+                email = request.form.get('email'),
+                notify = request.form.get('notify')
+            )
+            if success: return jsonify({'success': message}), 200
+            return jsonify({'error': message}), 400
+        errors = [*form.confirm_password.errors, *form.email.errors, *form.password.errors, *form.password_reenter.errors]
+        return jsonify({ 'error': errors}), 400
+    if not user:
+        flash('User not found.', 'error')
+        return redirect(url_for('admin._users'))
+    return render_template('/admin/settings/delete_user.html', form=form, id = id, user = user)
+
+@admin.route('/settings/questions/', methods=['GET', 'POST'])
+@login_required
+def _quesitons():
+    form = UploadData()
+    if request.method == 'POST':
+        if form.validate_on_submit():
+            upload = form.data_file.data
+            if not check_is_json(upload): return jsonify({'error': 'Invalid file. Please upload a JSON file.'}), 400
+            if not validate_json(upload): return jsonify({'error': 'The data in the file is invalid.'}), 400 # TODO Perhaps make a more complex validation script
+            new_dataset = Dataset()
+            success, message = new_dataset.create(
+                upload = upload,
+                default = request.form.get('default')
+            )
+            if success: return jsonify({'success': message}), 200
+            return jsonify({'error': message}), 400
+        errors = form.data_file.errors
+        return jsonify({ 'error': errors}), 400
+
+    data = Dataset.query.all()
+    return render_template('/admin/settings/questions.html', data=data)
+
+@admin.route('/settings/questions/edit/', methods=['POST'])
+@login_required
+def _delete_questions():
+    id = request.get_json()['id']
+    action = request.get_json()['action']
+    dataset = Dataset.query.filter_by(id=id).first()
+    if action == 'delete': success, message = dataset.delete()
+    elif action == 'default': success, message = dataset.make_default()
+    if success: return jsonify({'success': message}), 200
+    return jsonify({'error': message}), 400
+
+# TODO Test views
+# TODO Result views

ref-test/app/api/views.py

@@ -1,4 +1,10 @@
-from flask import Blueprint
+from ..models import Dataset, Entry
+from ..tools.test import evaluate_answers, generate_questions
+
+from flask import Blueprint, jsonify, request
+
+from datetime import datetime, timedelta
+from json import loads
 
 api = Blueprint(
     name='api',
@@ -7,8 +13,54 @@ api = Blueprint(
 
 @api.route('/questions/', methods=['POST'])
 def _fetch_questions():
-    return 'Fetch Questions'
+    id = request.get_json()['id']
+    entry = Entry.query.filter_by(id=id).first()
+    if not entry: return jsonify({'error': 'Invalid entry ID.'}), 400
+    test = entry['test']
+    user_code = entry['user_code']
+    time_limit = test['time_limit']
+    time_adjustment = 0
+    if time_limit:
+        _time_limit = int(time_limit)
+        if user_code:
+            time_adjustment = test['time_adjustments'][user_code]
+            _time_limit += time_adjustment
+        end_delta = timedelta(minutes=_time_limit)
+        end_time = datetime.utcnow() + end_delta
+    else:
+        end_time = None
+    entry.start()
+    dataset = test['dataset']
+    success, message = dataset.check_file()
+    if not success: return jsonify({'error': message}), 500
+    data_path = dataset.get_file()
+    with open(data_path, 'r') as data_file:
+        data = loads(data_file.read())
+    questions = generate_questions(data)
+    return jsonify({
+        'time_limit': end_time,
+        'questions': questions,
+        'start_time': entry['start_time'],
+        'time_adjustment': time_adjustment
+    }), 200
 
 @api.route('/submit/', methods=['POST'])
 def _submit_quiz():
-    return 'Submit Quiz'
+    id = request.get_json()['id']
+    answers = request.get_json()['answers']
+    entry = Entry.query.filter_by(id=id).first()
+    if not entry: return jsonify({'error': 'Unrecognised ID.'}), 400
+    test = entry['test']
+    dataset = test['dataset']
+    success, message = dataset.check_file()
+    if not success: return jsonify({'error': message}), 500
+    data_path = dataset.get_file()
+    with open(data_path, 'r') as data_file:
+        data = loads(data_file.read())
+    result = evaluate_answers(answers=answers, key=data)
+    entry.complete(answers=answers, result=result)
+    return jsonify({
+        'success': 'Your submission has been processed. Redirecting you to receive your results.',
+        'id': id
+    }), 200
+    

ref-test/app/install.py

@@ -11,6 +11,7 @@ from sqlalchemy_utils import database_exists, create_database
 
 def install_scripts():
     if not path.isdir(f'./{data}'): mkdir(f'./{data}')
+    if not path.isdir(f'./{data}/questions'): mkdir(f'./{data}/questions')
     if not path.isfile(f'./{data}/.gitignore'):
         with open(f'./{data}/.gitignore', 'a+') as file: file.write(f'*')
     if not path.isfile(f'./{data}/config.json'): save({}, 'config.json')

ref-test/app/models/__init__.py

@@ -1,3 +1,4 @@
 from .entry import Entry
 from .test import Test
 from .user import User
+from .dataset import Dataset

ref-test/app/models/dataset.py

@@ -0,0 +1,82 @@
+from ..data import data
+from ..modules import db
+from ..tools.logs import write
+
+from flask import flash, jsonify
+from flask_login import current_user
+from werkzeug.utils import secure_filename
+
+from datetime import datetime
+from json import dump, loads
+from os import path, remove
+from uuid import uuid4
+
+class Dataset(db.Model):
+
+    id = db.Column(db.String(36), primary_key=True)
+    tests = db.relationship('Test', backref='dataset')
+    creator_id = db.Column(db.String(36), db.ForeignKey('user.id'))
+    date = db.Column(db.DateTime, nullable=False)
+    default = db.Column(db.Boolean, default=False, nullable=True)
+
+    def __repr__(self):
+        return f'<Dataset {self.id}> was added.'
+
+    @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()
+
+    def make_default(self):
+        for dataset in Dataset.query.all():
+            dataset.default = False
+        self.default = True
+        db.session.commit()
+        write('system.log', f'Dataset {self.id} set as default by {current_user.get_username()}.')
+        flash(message='Dataset set as default.', category='success')
+        return True, f'Dataset set as default.'
+    
+    def delete(self):
+        if self.default:
+            message = 'Cannot delete the default dataset.'
+            flash(message, 'error')
+            return False, jsonify({'error': message})
+        if Dataset.query.all().count() == 1:
+            message = 'Cannot delete the only dataset.'
+            flash(message, 'error')
+            return False, jsonify({'error': message})
+        write('system.log', f'Dataset {self.id} deleted by {current_user.get_username()}.')
+        filename = secure_filename('.'.join([self.id,'json']))
+        file_path = path.join(data, 'questions', filename)
+        remove(file_path)
+        db.session.delete(self)
+        db.session.commit()
+        return True, 'Dataset deleted.'
+    
+    def create(self, upload, default:bool=False):
+        self.generate_id()
+        timestamp = datetime.now()
+        filename = secure_filename('.'.join([self.id,'json']))
+        file_path = path.join(data, 'questions', filename)
+        upload.stream.seek(0)
+        questions = loads(upload.read())
+        with open(file_path, 'w') as file:
+            dump(questions, file, indent=2)
+        self.date = timestamp
+        self.creator = current_user
+        if default: self.make_default()
+        write('system.log', f'New dataset {self.id} added by {current_user.get_username()}.')
+        db.session.add(self)
+        db.session.commit()
+        return True, 'Dataset uploaded.'
+
+    def check_file(self):
+        filename = secure_filename('.'.join([self.id,'json']))
+        file_path = path.join(data, 'questions', filename)
+        if not path.isfile(file_path): return False, 'Data file is missing.'
+
+    def get_file(self):
+        filename = secure_filename('.'.join([self.id,'json']))
+        file_path = path.join(data, 'questions', filename)
+        return file_path

ref-test/app/models/entry.py

@@ -8,6 +8,7 @@ from flask import jsonify
 from flask_login import current_user
 
 from datetime import datetime, timedelta
+from uuid import uuid4
 
 class Entry(db.Model):
 
@@ -25,6 +26,15 @@ class Entry(db.Model):
     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.')
 
@@ -63,10 +73,11 @@ class Entry(db.Model):
         write('tests.log', f'New test started by {self.get_first_name()} {self.get_surname()}.')
         db.session.commit()
 
-    def complete(self):
+    def complete(self, answers:dict=None, result:dict=None):
         self.end_time = datetime.now()
+        self.answers = answers
         write('tests.log', f'Test completed by {self.get_first_name()} {self.get_surname()}.')
-        delta = timedelta(minutes=self.test.time_limit)
+        delta = timedelta(minutes=self.test.time_limit+1)
         if not self.test.time_limit or self.end_time <= self.start_time + delta:
             self.status = 'finished'
             self.valid = True

ref-test/app/models/test.py

@@ -11,7 +11,7 @@ from datetime import datetime
 from json import dump, loads
 import os
 import secrets
-
+from uuid import uuid4
 
 class Test(db.Model):
     
@@ -21,18 +21,33 @@ class Test(db.Model):
     end_date = db.Column(db.DateTime, nullable=True)
     time_limit = db.Column(db.Integer, nullable=True)
     creator_id = db.Column(db.String(36), db.ForeignKey('user.id'))
-    data = db.Column(db.String(36), nullable=False)
+    dataset_id = db.Column(db.String(36), db.ForeignKey('dataset.id'))
     adjustments = db.Column(JsonEncodedDict, nullable=True)
     entries = db.relationship('Entry', backref='test')
 
     def __repr__(self):
         return f'<test with code {self.code} was created by {current_user.get_username()}.>'
 
+    @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 generate_code(self): raise AttributeError('generate_code is not a readable attribute.')
+
+    generate_code.setter
+    def generate_code(self): self.code = secrets.token_hex(6).lower()
+
     def get_code(self):
         code = self.code.upper()
         return '—'.join([code[:4], code[4:8], code[8:]])
 
     def create(self):
+        self.generate_id()
+        self.generate_code()
+        self.creator = current_user
         db.session.add(self)
         db.session.commit()
         write('system.log', f'Test with code {self.code} created by {current_user.get_username()}.')

ref-test/app/models/user.py

@@ -17,6 +17,7 @@ class User(UserMixin, db.Model):
     reset_token = db.Column(db.String(20), nullable=True)
     verification_token = db.Column(db.String(20), nullable=True)
     tests = db.relationship('Test', backref='creator')
+    datasets = db.relationship('Dataset', backref='creator')
 
     def __repr__(self):
         return f'<user {self.username}> was added with <id {self.id}>.'
@@ -52,6 +53,7 @@ class User(UserMixin, db.Model):
     def get_email(self): return decrypt(self.email)
 
     def register(self, notify:bool=False):
+        self.generate_id()
         users = User.query.all()
         for user in users:
             if user.get_username() == self.get_username(): return False, f'Username {self.get_username()} already in use.'
@@ -88,17 +90,19 @@ class User(UserMixin, db.Model):
         self.reset_token = self.verification_token = None
         db.session.commit()
     
-    def delete(self):
+    def delete(self, notify:bool=False):
         username = self.get_username()
         db.session.delete(self)
         db.session.commit()
-        write('users.log', f'User \'{username}\' was deleted by \'{current_user.get_username()}\'.')
+        message = f'User \'{username}\' was deleted by \'{current_user.get_username()}\'.'
+        write('users.log', message)
+        return True, message
 
-    def update(self, password:str=None, email:str=None):
+    def update(self, password:str=None, email:str=None, notify:bool=False):
         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})
+        return True, message

ref-test/app/templates/privacy.html

@@ -0,0 +1 @@
+<h1>Privacy Policy</h1>

ref-test/app/tools/data.py

@@ -1,5 +1,7 @@
 from ..data import data as data_dir
+
 import json
+from random import shuffle
 
 def load(filename:str):
     with open(f'./{data_dir}/{filename}') as file:
@@ -8,3 +10,25 @@ def load(filename:str):
 def save(data:dict, filename:str):
     with open(f'./{data_dir}/{filename}', 'w') as file:
         json.dump(data, file, indent=4)
+
+def check_is_json(file):
+    if not '.' in file.filename or not file.filename.rsplit('.',1)[-1] == 'json': return False
+    return True
+
+def validate_json(file):
+    file.stream.seek(0)
+    data = json.loads(file.read())
+    if not type(data) is list: return False
+
+def randomise_list(list:list):
+    _list = list.copy()
+    shuffle(_list)
+    return(_list)
+
+def get_tag_list(dataset:list):
+    output = []
+    for block in dataset:
+        if block['type'] == 'question': output = list(set(output) | set(block['tags']))
+        if block['type'] == 'block':
+            for question in block['questions']: output = list(set(output) | set(question['tags']))
+    return output

ref-test/app/tools/forms.py

@@ -34,3 +34,12 @@ def value(min:int=0, max:int=None):
         if value < min or max != None and value > max:
             raise ValidationError(message)
     return length
+
+def get_time_options():
+    time_options = [
+        ('none', 'None'),
+        ('60', '1 hour'),
+        ('90', '1 hour 30 minutes'),
+        ('120', '2 hours')
+    ]
+    return time_options

ref-test/app/tools/test.py

@@ -1,2 +1,104 @@
+from .data import randomise_list
+
 def parse_test_code(code):
-        return code.replace('—', '').lower()
+    return code.replace('—', '').lower()
+
+def generate_questions(dataset:list):
+    output = []
+    for block in randomise_list(dataset):
+        if block['type'] == 'question':
+            question = {
+                'type': 'question',
+                'q_no': block['q_no'],
+                'question_header': '',
+                'text': block['text']
+            }
+            if block['q_type'] == 'Multiple Choice': question['options'] = randomise_list([*enumerate(block['options'])])
+            else: question['options'] = block['options'].copy()
+            output.append(question)
+        elif block['type'] == 'block':
+            for key, _question in enumerate(randomise_list(block['questions'])):
+                question = {
+                    'type': 'block',
+                    'q_no': _question['q_no'],
+                    'question_header': block['question_header'] if 'question_header' in block else '',
+                    'block_length': len(block['questions']),
+                    'block_q_no': key,
+                    'text': _question['text']
+                }
+                if _question['q_type'] == 'Multiple Choice': question['options'] = randomise_list([*enumerate(_question['options'])])
+                else: question['options'] = _question['options'].copy()
+                output.append(question)
+    return output
+
+def evaluate_answers(answers:dict, key:list):
+    score = 0
+    max = 0
+    tags = {}
+    for block in key:
+        if block['type'] == 'question':
+            max += 1
+            q_no = block['q_no']
+            if str(q_no) in answers:
+                submitted_answer = int(answers[str(q_no)])
+                if submitted_answer == block['correct']:
+                    score += 1
+                    for tag in block['tags']:
+                        if tag not in tags:
+                            tags[tag] = {
+                                'scored': 1,
+                                'max': 1
+                            }
+                        else:
+                            tags[tag]['scored'] += 1
+                            tags[tag]['max'] += 1
+                else:
+                    for tag in block['tags']:
+                        if tag not in tags:
+                            tags[tag] = {
+                                'scored': 0,
+                                'max': 1
+                            }
+                        else: tags[tag]['max'] += 1
+        elif block['type'] == 'block':
+            for question in block['questions']:
+                max += 1
+                q_no = question['q_no']
+                if str(q_no) in answers:
+                    submitted_answer = int(answers[str(q_no)])
+                    if submitted_answer == question['correct']:
+                        score += 1
+                        for tag in question['tags']:
+                            if tag not in tags:
+                                tags[tag] = {
+                                    'scored': 1,
+                                    'max': 1
+                                }
+                            else:
+                                tags[tag]['scored'] += 1
+                                tags[tag]['max'] += 1
+                    else:
+                        for tag in question['tags']:
+                            if tag not in tags:
+                                tags[tag] = {
+                                    'scored': 0,
+                                    'max': 1
+                                }
+                            else: tags[tag]['max'] += 1
+    grade = 'merit' if score/max >= .85 else 'pass' if score/max >= .70 else 'fail'
+    return {
+        'grade': grade,
+        'tags': tags,
+        'score': score,
+        'max': max
+    }
+
+def get_correct_answers(dataset:list):
+    output = {}
+    for block in dataset:
+        if block['type'] == 'question':
+            output[str(block['q_no'])] = block['options'][block['correct']]
+        if block['type'] == 'block':
+            for question in block['questions']:
+                output[str(question['q_no'])] = question['options'][question['correct']]
+    return output

ref-test/app/views.py

@@ -0,0 +1,12 @@
+from flask import Blueprint, render_template
+
+views = Blueprint(
+    name='common',
+    import_name=__name__,
+    template_folder='templates',
+    static_folder='static'
+)
+
+@views.route('/privacy/')
+def _privacy():
+    return render_template('privacy.html')

ref-test/app/views/__init__.py

@@ -1,10 +0,0 @@
-from flask import Blueprint
-
-views = Blueprint(
-    name='common',
-    import_name=__name__,
-    template_folder='templates',
-    static_folder='static'
-)
-
-from . import privacy

ref-test/app/views/privacy.py

@@ -1,5 +0,0 @@
-from . import views
-
-@views.route('/privacy/')
-def _privacy():
-    return 'Privacy Policy'