new update

onlinecourse/admin.py

@@ -1,9 +1,15 @@
 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, Submission
 
 # <HINT> Register QuestionInline and ChoiceInline classes here
 
+class ChoiceInline(admin.StackedInline):
+    model = Choice
+    extra = 2
+
+class QuestionInline(admin.StackedInline):
+    model = Question
+    extra = 2
 
 class LessonInline(admin.StackedInline):
     model = Lesson
@@ -21,10 +27,16 @@ class CourseAdmin(admin.ModelAdmin):
 class LessonAdmin(admin.ModelAdmin):
     list_display = ['title']
 
+class QuestionAdmin(admin.ModelAdmin):
+    inlines = [ChoiceInline]
+    list_display = ['content']
 
 # <HINT> Register Question and Choice models here
 
 admin.site.register(Course, CourseAdmin)
 admin.site.register(Lesson, LessonAdmin)
 admin.site.register(Instructor)
 admin.site.register(Learner)
+admin.site.register(Question, QuestionAdmin)
+admin.site.register(Choice)
+admin.site.register(Submission)

onlinecourse/migrations/0001_initial.py

@@ -0,0 +1,78 @@
+# Generated by Django 5.1 on 2024-08-21 09:26
+
+import django.db.models.deletion
+import django.utils.timezone
+from django.conf import settings
+from django.db import migrations, models
+
+
+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='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='users',
+            field=models.ManyToManyField(through='onlinecourse.Enrollment', 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.AddField(
+            model_name='course',
+            name='instructors',
+            field=models.ManyToManyField(to='onlinecourse.instructor'),
+        ),
+        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='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')),
+            ],
+        ),
+    ]

onlinecourse/migrations/0002_question_choice_submission.py

@@ -0,0 +1,40 @@
+# Generated by Django 5.1 on 2024-08-21 09:36
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('onlinecourse', '0001_initial'),
+    ]
+
+    operations = [
+        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.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)),
+                ('question', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='onlinecourse.question')),
+            ],
+        ),
+        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')),
+            ],
+        ),
+    ]

onlinecourse/models.py

@@ -95,9 +95,27 @@ class Enrollment(models.Model):
     rating = models.FloatField(default=5.0)
 
 
-# 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 Question(models.Model):
+    course = models.ForeignKey(Course, on_delete=models.CASCADE)
+    content = models.CharField(max_length=200)
+    grade = models.IntegerField(default=50)
+
+    def __str__(self):
+        return "Question: " + self.content
+
+    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
+
+class Choice(models.Model):
+    question = models.ForeignKey(Question, on_delete=models.CASCADE)
+    content = models.CharField(max_length=200)
+    is_correct = models.BooleanField(default=False)
+
+class Submission(models.Model):
+    enrollment = models.ForeignKey(Enrollment, on_delete=models.CASCADE)
+    choices = models.ManyToManyField(Choice)

onlinecourse/templates/onlinecourse/course_detail_bootstrap.html

@@ -50,7 +50,33 @@ <h2>{{ course.name }}</h2>
                     </div>
                 {% endfor %}
             </div>
-            <!-- Course detail template changes go here -->
+            {% if user.is_authenticated %}
+        </br>
+        <button class="btn btn-primary btn-block" data-toggle="collapse" data-target="#exam">Start Exam</button>
+        <div id="exam" class="collapse">
+            <form id="questionform" action="{% url 'onlinecourse:submit' course.id %}" method="POST">
+                {% for question in course.question_set.all %}
+                <div class="card mt-1">
+                    <div class="card-header">
+                        <h5>{{ question.content }}</h5>
+                    </div>
+                    {% csrf_token %}
+                    <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.content }}
+                            </label>
+                        </div>
+                        {% endfor %}
+                    </div>
+                </div>
+                {% endfor %}
+                <input class="btn btn-success btn-block" type="submit" value="Submit">
+            </form>
+        </div>
+        {% endif %}
     </div>
 </body>
 </html>

onlinecourse/templates/onlinecourse/exam_result_bootstrap.html

@@ -1,55 +1,107 @@
 <!DOCTYPE html>
 <html lang="en">
-<head>
-    <meta charset="UTF-8">
+  <head>
+    <meta charset="UTF-8" />
     {% load static %}
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
-</head>
-<body>
-
- <nav class="navbar navbar-light bg-light">
-    <div class="container-fluid">
+    <link
+      rel="stylesheet"
+      href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css"
+    />
+  </head>
+  <body>
+    <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>
+          <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 %}
+          {% 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>
+      </div>
+    </nav>
 
-<div class="container-fluid">
-    {% if grade > 80 %}
-    <div class="alert alert-success">
-       <!--HINT Display passed info -->
-    </div>
-        {% else %}
-        <div class="alert alert-danger">
-            <!--HINT Display failed info -->
-        </div>
-        <a class="btn btn-link text-danger" href="{% url 'onlinecourse:course_details' course.id %}">Re-test</a>
-        {% endif %}
-        <div class="card-columns-vertical mt-1">
+    <div class="container-fluid">
+      {% if grade > 80 %}
+      <div class="alert alert-success">
+        <b>Congratulations, {{ user.first_name }}!</b> You have passed the exam
+        and completed the course with score {{ grade }}/100
+      </div>
+      {% else %}
+      <div class="alert alert-danger">
+        <b>Failed</b> Sorry, {{ user.first_name }}! You have failed the exam
+        with score {{ grade }}/100
+      </div>
+      <a
+        class="btn btn-link text-danger"
+        href="{% url 'onlinecourse:course_details' course.id %}"
+        >Re-test</a
+      >
+      {% endif %}
+
+      <div class="card-columns-vertical mt-1">
         <h5 class="">Exam results</h5>
-            <!--HINT Display exam results-->
+        {% for question in course.question_set.all %}
+        <div class="card mt-1">
+          <div class="card-header"><h5>{{ question.content }}</h5></div>
+          <div class="form-group">
+            {% for choice in question.choice_set.all %}
+            <div class="form-check">
+              {% if choice.is_correct and choice in choices %}
+              <div class="text-success">
+                Correct answer: {{ choice.content }}
+              </div>
+              {% elif choice.is_correct and not choice in choices %}
+              <div class="text-warning">Not selected: {{ choice.content }}</div>
+              {% elif not choice.is_correct and choice in choices %}
+              <div class="text-danger">Wrong answer: {{ choice.content }}</div>
+              {% else %}
+              <div>{{ choice.content }}</div>
+              {% endif %}
+            </div>
+            {% endfor %}
+          </div>
         </div>
+        {% endfor %}
+      </div>
     </div>
-</body>
-</html>
+  </body>
+</html>

onlinecourse/urls.py

@@ -16,9 +16,11 @@
     path('<int:pk>/', views.CourseDetailView.as_view(), name='course_details'),
     # ex: /enroll/5/
     path('<int:course_id>/enroll/', views.enroll, name='enroll'),
+
 
     # <HINT> Create a route for submit view
-
+    path('<int:course_id>/submit/', views.submit, name="submit"),
     # <HINT> Create a route for show_exam_result view
+    path('course/<int:course_id>/submission/<int:submission_id>/result/', views.show_exam_result, name="show_exam_result"),
 
  ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)