Final Project

onlinecourse/admin.py

@@ -1,6 +1,6 @@
 from django.contrib import admin
 # <HINT> Import any new Models here
-from .models import Course, Lesson, Instructor, Learner
+from .models import Course, Lesson, Instructor, Learner, Question, Choice
 
 # <HINT> Register QuestionInline and ChoiceInline classes here
 
@@ -9,14 +9,23 @@ class LessonInline(admin.StackedInline):
     model = Lesson
     extra = 5
 
+class QuestionInline(admin.StackedInline):
+    model = Question
+    extra = 5
+
+class ChoiceInline(admin.StackedInline):
+    model = Choice
+    extra = 5
 
 # Register your models here.
 class CourseAdmin(admin.ModelAdmin):
-    inlines = [LessonInline]
+    inlines = [LessonInline, QuestionInline]
     list_display = ('name', 'pub_date')
     list_filter = ['pub_date']
     search_fields = ['name', 'description']
 
+class QuestionAdmin(admin.ModelAdmin):
+    inlines = [ChoiceInline]
 
 class LessonAdmin(admin.ModelAdmin):
     list_display = ['title']
@@ -28,3 +37,5 @@ class LessonAdmin(admin.ModelAdmin):
 admin.site.register(Lesson, LessonAdmin)
 admin.site.register(Instructor)
 admin.site.register(Learner)
+admin.site.register(Question, QuestionAdmin)
+admin.site.register(Choice)

onlinecourse/migrations/0001_initial.py

@@ -0,0 +1,76 @@
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Course',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(default='online course', max_length=30)),
+                ('image', models.ImageField(upload_to='course_images/')),
+                ('description', models.CharField(max_length=1000)),
+                ('pub_date', models.DateField(null=True)),
+                ('total_enrollment', models.IntegerField(default=0)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Lesson',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(default='title', max_length=200)),
+                ('order', models.IntegerField(default=0)),
+                ('content', models.TextField()),
+                ('course', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='onlinecourse.course')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Learner',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('occupation', models.CharField(choices=[('student', 'Student'), ('developer', 'Developer'), ('data_scientist', 'Data Scientist'), ('dba', 'Database Admin')], default='student', max_length=20)),
+                ('social_link', models.URLField()),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Instructor',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('full_time', models.BooleanField(default=True)),
+                ('total_learners', models.IntegerField()),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Enrollment',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('date_enrolled', models.DateField(default=django.utils.timezone.now)),
+                ('mode', models.CharField(choices=[('audit', 'Audit'), ('honor', 'Honor'), ('BETA', 'BETA')], default='audit', max_length=5)),
+                ('rating', models.FloatField(default=5.0)),
+                ('course', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='onlinecourse.course')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.AddField(
+            model_name='course',
+            name='instructors',
+            field=models.ManyToManyField(to='onlinecourse.instructor'),
+        ),
+        migrations.AddField(
+            model_name='course',
+            name='users',
+            field=models.ManyToManyField(through='onlinecourse.Enrollment', to=settings.AUTH_USER_MODEL),
+        ),
+    ]

onlinecourse/migrations/0002_choice_submission_question_choice_question.py

@@ -0,0 +1,42 @@
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('onlinecourse', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Choice',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('content', models.CharField(max_length=200)),
+                ('is_correct', models.BooleanField(default=False)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Submission',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('choices', models.ManyToManyField(to='onlinecourse.choice')),
+                ('enrollment', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='onlinecourse.enrollment')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Question',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('content', models.CharField(max_length=200)),
+                ('grade', models.IntegerField(default=50)),
+                ('course', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='onlinecourse.course')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='choice',
+            name='question',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='onlinecourse.question'),
+        ),
+    ]

onlinecourse/models.py

@@ -95,9 +95,49 @@ class Enrollment(models.Model):
     rating = models.FloatField(default=5.0)
 
 
+# <HINT> Create a Question Model with:
+    # Used to persist question content for a course
+    # Has a One-To-Many (or Many-To-Many if you want to reuse questions) relationship with course
+    # Has a grade point for each question
+    # Has question content
+    # Other fields and methods you would like to design
+
+class Question(models.Model):    #class Question(models.Model):
+    course = models.ForeignKey(Course, on_delete=models.CASCADE)    # Foreign key to lesson
+    question_text = models.TextField()    # question text
+    question_grade = models.FloatField()    # question grade/mark
+
+    # <HINT> A sample model method to calculate if learner get the score of the question
+    def is_get_score(self, selected_ids):
+        all_answers = self.choice_set.filter(is_correct=True).count()
+        selected_correct = self.choice_set.filter(is_correct=True, id__in=selected_ids).count()
+        if all_answers == selected_correct:
+            return True
+        else:
+            return False
+
+    def __str__(self):
+        return self.question_text
+
+
+#  <HINT> Create a Choice Model with:
+    # Used to persist choice content for a question
+    # One-To-Many (or Many-To-Many if you want to reuse choices) relationship with Question
+    # Choice content
+    # Indicate if this choice of the question is a correct one or not
+    # Other fields and methods you would like to design
+class Choice(models.Model):    # class Choice(models.Model):
+    question = models.ForeignKey(Question, on_delete=models.CASCADE)
+    choice_content = models.TextField()
+    is_correct = models.BooleanField()
+
+    def __str__(self):
+        return self.choice_content
+
+# <HINT> The submission model
 # One enrollment could have multiple submission
 # One submission could have multiple choices
 # One choice could belong to multiple submissions
-#class Submission(models.Model):
-#    enrollment = models.ForeignKey(Enrollment, on_delete=models.CASCADE)
-#    choices = models.ManyToManyField(Choice)
+class Submission(models.Model):
+    enrollment = models.ForeignKey(Enrollment, on_delete=models.CASCADE)
+    choices = models.ManyToManyField(Choice)

onlinecourse/templates/onlinecourse/course_detail_bootstrap.html

@@ -1,56 +1,127 @@
 <!DOCTYPE html>
 <html lang="en">
-<head>
-     {% load static %}
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
+  <head>
+    {% load static %}
+    <link
+      rel="stylesheet"
+      href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css"
+    />
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
-    <meta charset="UTF-8">
-</head>
+    <meta charset="UTF-8" />
+  </head>
 
-<body>
+  <body>
     <!-- Navigation bar -->
     <nav class="navbar navbar-light bg-light">
-        <div class="container-fluid">
-            <div class="navbar-header">
-                  <a class="navbar-brand" href="{% url 'onlinecourse:index' %}">Home</a>
-            </div>
-            <ul class="nav navbar-nav navbar-right">
-                {% if user.is_authenticated %}
-                <li>
-                    <a class="btn btn-link" href="#">{{ user.first_name }}({{ user.username }})</a>
-                    <a class="btn btn-link" href="{% url 'onlinecourse:logout' %}">Logout</a>
-                </li>
-                {% else %}
-                <li>
-                    <form class="form-inline" action="{% url 'onlinecourse:login' %}" method="post">
-                        {% csrf_token %}
-                        <div class="input-group">
-                            <input type="text" class="form-control" placeholder="Username" name="username" >
-                            <input type="password" class="form-control" placeholder="Username" name="psw" >
-                            <button class="btn btn-primary" type="submit">Login</button>
-                            <a class="btn btn-link" href="{% url 'onlinecourse:registration' %}">Sign Up</a>
-                        </div>
-                    </form>
-                </li>
-                {% endif %}
-            </ul>
+      <div class="container-fluid">
+        <div class="navbar-header">
+          <a class="navbar-brand" href="{% url 'onlinecourse:index' %}">Home</a>
         </div>
+        <ul class="nav navbar-nav navbar-right">
+          {% if user.is_authenticated %}
+          <li>
+            <a class="btn btn-link" href="#"
+              >{{ user.first_name }}({{ user.username }})</a
+            >
+            <a class="btn btn-link" href="{% url 'onlinecourse:logout' %}"
+              >Logout</a
+            >
+          </li>
+          {% else %}
+          <li>
+            <form
+              class="form-inline"
+              action="{% url 'onlinecourse:login' %}"
+              method="post"
+            >
+              {% csrf_token %}
+              <div class="input-group">
+                <input
+                  type="text"
+                  class="form-control"
+                  placeholder="Username"
+                  name="username"
+                />
+                <input
+                  type="password"
+                  class="form-control"
+                  placeholder="Username"
+                  name="psw"
+                />
+                <button class="btn btn-primary" type="submit">Login</button>
+                <a
+                  class="btn btn-link"
+                  href="{% url 'onlinecourse:registration' %}"
+                  >Sign Up</a
+                >
+              </div>
+            </form>
+          </li>
+          {% endif %}
+        </ul>
+      </div>
     </nav>
 
     <!-- Page content -->
     <div class="container-fluid">
-            <h2>{{ course.name }}</h2>
-            <div class="card-columns-vertical">
-                {% for lesson in course.lesson_set.all %}
-                    <div class="card mt-1">
-                        <div class="card-header"><h5>Lesson {{lesson.order|add:1}}: {{lesson.title}}</h5></div>
-                        <div class="card-body">{{lesson.content}}</div>
-                    </div>
+      <h2>{{ course.name }}</h2>
+      <div class="card-columns-vertical">
+        {% for lesson in course.lesson_set.all %}
+        <div class="card mt-1">
+          <div class="card-header">
+            <h5>Lesson {{lesson.order|add:1}}: {{lesson.title}}</h5>
+          </div>
+          <div class="card-body">{{lesson.content}}</div>
+        </div>
+        {% endfor %}
+      </div>
+      <button
+        class="btn btn-block btn-primary"
+        data-toggle="collapse"
+        data-target="#demo"
+      >
+        Start Exam
+      </button>
+
+      <div id="demo" class="collapse">
+        <form
+          id="questionform"
+          action="{% url 'onlinecourse:exam_submission' course.id %}"
+          method="post"
+        >
+          {% csrf_token %} {% for question in course.question_set.all %}
+          <div class="card-columns-vertical">
+            <div class="card mt-1">
+              <div class="card-header">
+                <h5>{{ question.question_text}}</h5>
+              </div>
+              <div class="form-group">
+                {% for choice in question.choice_set.all %}
+                <div class="form-check">
+                  <label class="form-check-label">
+                    <input
+                      type="checkbox"
+                      name="choice_{{choice.id}}"
+                      class="form-check-input"
+                      id="{{choice.id}}"
+                      value="{{choice.id}}"
+                    />{{ choice.choice_content }}
+                  </label>
+                </div>
                 {% endfor %}
+              </div>
             </div>
-            <!-- Course detail template changes go here -->
+          </div>
+          {% endfor %}
+          <input
+            class="btn btn-success btn-block"
+            type="submit"
+            value="Submit"
+          />
+        </form>
+      </div>
     </div>
-</body>
+  </body>
 </html>