The code in this repository uses the django framework.
- Understand the concepts of Django admin site
- Create and customize your Django admin site to manage the content of an onlinecourse app
- Use PostgreSQL an open-soutce relational database management system.
admin.py: contains the definitions for each model in the admin panel models.py: definitions for each data model urls.py: urls for each viewport views.py: defines views for each webpage (see .html files in templates folder)
Cloning the repository
git clone https://github.com/josuecross/school_adminsite_django
Install dependencies:
python3 -m pip install -U -r requirements.txt
Open settings.py to configure database credentials in DATABASES section.
Activate models for an onlinecourse app wich will be managed by admin site:
python3 manage.py makemigrations
python3 manage.py migrate
To create a superuser for acces admin site:
python3 manage.py createsuperuser
To run the server:
python3 manage.py runserver
You can add models to the admin site adminsite/admin.py: For example a Instructor model:
# Instructor model
class Instructor(models.Model):
user = models.ForeignKey(
settings.AUTH_USER_MODEL,
on_delete=models.CASCADE,
)
full_time = models.BooleanField(default=True)
total_learners = models.IntegerField()
def __str__(self):
return self.user.username
Can be added to the adminsite by registering its model in admin.py:
admin.site.register(Instructor)
Adding a new class to adminsite/admin.py you can choose wich fiels to include in the admin site
class Course(models.Model):
name = models.CharField(null=False, max_length=30, default='online course')
image = models.ImageField(upload_to='course_images/')
description = models.CharField(max_length=1000)
pub_date = models.DateField(null=True)
instructors = models.ManyToManyField(Instructor)
users = models.ManyToManyField(settings.AUTH_USER_MODEL, through='Enrollment')
total_enrollment = models.IntegerField(default=0)
is_enrolled = False
def __str__(self):
return "Name: " + self.name + "," + \
"Description: " + self.description
def total_score(self):
total_score = 0
for question in self.question_set.all():
total_score += question.grade
return total_score
You can include only selected fields in admin.py like:
class CourseAdmin(admin.ModelAdmin):
fields = ['pub_date', 'name', 'description']
admin.site.register(Course, CourseAdmin)
Django admin privides also a convinient way to associate related objects on a single model managing page. In adminsite/admin.py lesson models can be managed together with course objects:
class LessonInline(admin.StackedInline):
model = Lesson
extra = 5
class CourseAdmin(admin.ModelAdmin):
fields = ['pub_date', 'name', 'description']
inlines = [LessonInline]
admin.site.register(Course, CourseAdmin)
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