Quiz models

.gitignore

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 .venv
+__pycache__/

manage.py

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+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "quizsite.settings")
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == "__main__":
+    main()

quizsite/asgi.py

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+"""
+ASGI config for quizsite project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.1/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "quizsite.settings")
+
+application = get_asgi_application()

quizsite/settings.py

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+"""
+Django settings for quizsite project.
+
+Generated by 'django-admin startproject' using Django 4.1.1.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/4.1/ref/settings/
+"""
+
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/4.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = "django-insecure-dfln3fbd4mq*jof)t5($@tlgn98z^a)ar7aw^py7s(j#w^x01q"
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'quizzes.apps.QuizzesConfig',
+    "django.contrib.admin",
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+]
+
+MIDDLEWARE = [
+    "django.middleware.security.SecurityMiddleware",
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "django.middleware.common.CommonMiddleware",
+    "django.middleware.csrf.CsrfViewMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
+    "django.middleware.clickjacking.XFrameOptionsMiddleware",
+]
+
+ROOT_URLCONF = "quizsite.urls"
+
+TEMPLATES = [
+    {
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "DIRS": [],
+        "APP_DIRS": True,
+        "OPTIONS": {
+            "context_processors": [
+                "django.template.context_processors.debug",
+                "django.template.context_processors.request",
+                "django.contrib.auth.context_processors.auth",
+                "django.contrib.messages.context_processors.messages",
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = "quizsite.wsgi.application"
+
+
+# Database
+# https://docs.djangoproject.com/en/4.1/ref/settings/#databases
+
+DATABASES = {
+    "default": {
+        "ENGINE": "django.db.backends.postgresql_psycopg2",
+        "NAME": "quizsite",
+        "USER": "pamelafox",
+        "PASSWORD": "",
+        "HOST": "localhost",
+        "PORT": "",
+    }
+}
+
+# Password validation
+# https://docs.djangoproject.com/en/4.1/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/4.1/topics/i18n/
+
+LANGUAGE_CODE = "en-us"
+
+TIME_ZONE = "America/Los_Angeles"
+
+USE_I18N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/4.1/howto/static-files/
+
+STATIC_URL = "static/"
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/4.1/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

quizsite/urls.py

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+"""quizsite URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/4.1/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import include, path
+
+urlpatterns = [
+    path('quizzes/', include('quizzes.urls')),
+    path('admin/', admin.site.urls),
+]

quizsite/wsgi.py

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+"""
+WSGI config for quizsite project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.1/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "quizsite.settings")
+
+application = get_wsgi_application()

quizzes/admin.py

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+from django.contrib import admin
+from .models import Quiz, Question, FreeTextAnswer, MultipleChoiceAnswer
+
+admin.site.register(Quiz)
+admin.site.register(Question)
+admin.site.register(FreeTextAnswer)
+admin.site.register(MultipleChoiceAnswer)

quizzes/apps.py

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+from django.apps import AppConfig
+
+
+class QuizzesConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "quizzes"

quizzes/migrations/0001_initial.py

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+# Generated by Django 4.1.1 on 2022-09-14 18:17
+
+import django.contrib.postgres.fields
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = []
+
+    operations = [
+        migrations.CreateModel(
+            name="Quiz",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("name", models.CharField(max_length=100)),
+            ],
+        ),
+        migrations.CreateModel(
+            name="Question",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("prompt", models.CharField(max_length=200)),
+                (
+                    "answer_status",
+                    models.CharField(default="unanswered", max_length=16),
+                ),
+                (
+                    "quiz",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE, to="quizzes.quiz"
+                    ),
+                ),
+            ],
+        ),
+        migrations.CreateModel(
+            name="MultipleChoiceAnswer",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("correct_answer", models.CharField(max_length=200)),
+                (
+                    "choices",
+                    django.contrib.postgres.fields.ArrayField(
+                        base_field=models.CharField(blank=True, max_length=200),
+                        size=None,
+                    ),
+                ),
+                (
+                    "question",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="quizzes.question",
+                    ),
+                ),
+            ],
+        ),
+        migrations.CreateModel(
+            name="FreeTextAnswer",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("correct_answer", models.CharField(max_length=200)),
+                ("case_sensitive", models.BooleanField(default=False)),
+                (
+                    "question",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="quizzes.question",
+                    ),
+                ),
+            ],
+        ),
+    ]

quizzes/models.py

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+from django.db import models
+from django.contrib.postgres import fields
+
+
+class Quiz(models.Model):
+  name = models.CharField(max_length=100)
+
+  def __str__(self):
+    return f"<Quiz: {self.name}>"
+
+  def display(self):
+    # Display the quiz name
+    print(f"Welcome to the quiz on {self.name}!")
+    # Initialize the correct counter to 0
+    correct_count = 0
+    # Iterate through the questions
+    #  Display each question
+    #  Increment the correct counter accordingly
+    for question in self.questions:
+      question.display()
+      if question.answer_status == 'correct':
+        correct_count += 1
+    # Print the ratio of correct/total
+    print(f"You got {correct_count}/{len(self.questions)} correct.")
+
+
+
+class Question(models.Model):
+  quiz = models.ForeignKey(Quiz, on_delete=models.CASCADE)
+  prompt = models.CharField(max_length=200)
+  answer_status = models.CharField(default='unanswered', max_length=16)
+
+  def __str__(self):
+    return f"<Question: {self.prompt}>"
+
+  def display(self):
+    print(self.prompt)
+    self.answer.display()
+    user_answer = input()
+    if self.answer.is_correct(user_answer):
+      print("You got it!")
+      self.answer_status = 'correct'
+    else:
+      print(f"Sorry, it was: {self.answer.correct_answer}")
+      self.answer_status = 'incorrect'
+
+
+# Create your models here.
+class FreeTextAnswer(models.Model):
+  question = models.ForeignKey(Question, on_delete=models.CASCADE)
+  correct_answer = models.CharField(max_length=200)
+  case_sensitive = models.BooleanField(default=False)
+
+  def __str__(self):
+    return f"<FreeTextAnswer: {self.correct_answer}>"
+
+  def is_correct(self, user_answer):
+    if not self.case_sensitive:
+      return user_answer.lower() == self.correct_answer.lower()
+    return user_answer == self.correct_answer
+
+  def display(self):
+    if self.case_sensitive:
+      print("Type your answer in (capitalization matters!):")
+    else:
+      print("Type your answer in (don't worry about capitalization):")
+
+class MultipleChoiceAnswer(models.Model):
+  question = models.ForeignKey(Question, on_delete=models.CASCADE)
+  correct_answer = models.CharField(max_length=200)
+  choices = fields.ArrayField(models.CharField(max_length=200, blank=True))
+
+  def __str__(self):
+    return f"<MultipleChoiceAnswer: {self.correct_answer} of {self.choices}>"
+
+  def is_correct(self, user_answer):
+    """Assumes user answer is number corresponding to answer."""
+    return self.choices[int(user_answer) - 1] == self.correct_answer
+
+  def is_correct(self, user_answer):
+    self.user_answer = int(user_answer)
+    self.user_answer -= 1
+    correct_index = self.choices.index(self.correct_answer)
+    if self.user_answer == correct_index:
+      return True
+    else:
+      return False
+
+  def display(self):
+    print("Type the number corresponding to the correct answer.")
+    for i in range(0, len(self.choices)):
+      print(f"{i + 1}. {self.choices[i]}")

quizzes/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

quizzes/urls.py

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+from django.urls import path
+
+from . import views
+
+urlpatterns = [
+    path('', views.index, name='index'),
+    # ex: /polls/5/
+    path('<int:quiz_id>/', views.display, name='display'),
+
+]

quizzes/views.py

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+from django.http import HttpResponse
+
+def index(request):
+    return HttpResponse("Here are all the quizzes")
+
+def display(request, quiz_id):
+    return HttpResponse("You're looking at quiz %s." % quiz_id)

requirements.txt

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+Django==4.1.1
+psycopg2