create project and app, register app in settings.py

  • django-admin startproject forms_demo
  • cd forms_demo
  • code .
  • python3 manage.py startapp forms_app
  • register this app in settings.py.
INSTALLED_APPS = [
    # Rest of the apps.....
    'forms_app', # <----- your app.
]

write urls.py file

  • Write the below contents in urls.py
  • In forms_demo/urls.py
from django.contrib import admin
from django.urls import path,include

urlpatterns = [
    path('admin/', admin.site.urls),
    path("",include("forms_app.urls")),
]

write models.py file

  • Write the below contents in models.py file.
  • forms_app/models.py

from django.db import models

# Create your models here.

# Existing Student model
class Student(models.Model):
    name = models.CharField(max_length=50)
    # email = models.EmailField(unique=False)

    def __str__(self):
        return self.name

# New Project model
class Project(models.Model):
    student = models.ForeignKey(Student, on_delete=models.CASCADE, related_name='projects')
    topic = models.CharField(max_length=200)
    languages = models.CharField(max_length=200)
    duration = models.PositiveIntegerField(help_text='Duration in months')

    def __str__(self):
        return f'{self.topic} by {self.student.name}'

register models in admin.py

  • Write the below contents in admin.py file to register the models.

from django.contrib import admin
from .models import Student,Project

# Register your models here.
admin.site.register(Student)
admin.site.register(Project)

Write forms.py file

  • Write below contents in forms_app/forms.py file.

from django import forms
from .models import Project, Student

class ProjectForm(forms.ModelForm):
      student_name = forms.CharField(max_length=50, required=True, label='Student Name')

      class Meta:
            model = Project
            fields = ['student_name', 'topic', 'languages', 'duration']

      def save(self, commit=True):
            student_name = self.cleaned_data['student_name']
            student, created = Student.objects.get_or_create(name=student_name)
            self.instance.student = student
            return super().save(commit=commit)

Write views.py file

  • Write the below contents in forms_app/views.py file.

from django.shortcuts import render, redirect
from django.contrib import messages
from .models import Project
from .forms import ProjectForm

def register_project(request):
    if request.method == 'POST':
        form = ProjectForm(request.POST)
        if form.is_valid():
            form.save()
            # return redirect('project_success')  # Redirect to a success page or another view
            messages.success(request, 'Student successfully added to the course.')
            return redirect('register_project')
    else:
        form = ProjectForm()
    return render(request, 'project_form.html', {'form': form})

def project_success(request):
    return render(request, 'project_success.html')
        

from django.urls import path
from . import views

urlpatterns = [
    path('register_project/', views.register_project, name='register_project'),
]

Write templates

  • Create a templates folder in the project folder not in any apps.
  • Register the folder in the templates section of settings.py file by adding this line in the list 'DIRS': [ BASE_DIR / "templates" ],
  • add project_form.html file in templates directory and write the below contents.

<!DOCTYPE html>
<html>
<head>
    <title>Project Registration</title>
</head>
<body>
    <h2>Register Project</h2>
    <form method="post" action="{% url 'register_project' %}">
        {% csrf_token %}
        {{ form.as_p }}
        <button type="submit">Register Project</button>
    </form>
    {% if messages %}
    <ul class="messages">
        {% for message in messages %}
             <li{% if message.tags %} class="{{ message.tags }}"{% endif %}>{{ message }}</li>
        {% endfor %}
    </ul>
    {% endif %}
</body>
</html>

make migrations and create superuser

  • In terminal make migrations and migrate the database before creating superuser.
  • enter python3 manage.py makemigrations, after the enter python3 manage.py migrate
  • Now crate a superuser with command python3 manage.py createsuperuser, Enter the required credentials and create super user.
  • Now run the local server and go to this url pattern http://127.0.0.1:8000/register_project/
  • Now you would be able to register the students and see the registered students data in admin panel by logging in as a super user.

Resourses

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