Implement features for sprint 1 and 2, Fixes #4 and #5

backend/.gitignore

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+.env
+*.pyc
+db.sqlite3
+media

backend/accounts/admin.py

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+from django.contrib import admin
+
+# Register your models here.

backend/accounts/apps.py

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+from django.apps import AppConfig
+
+
+class AccountsConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'accounts'

backend/accounts/migrations/0001_initial.py

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+# Generated by Django 4.2.2 on 2023-06-15 20:01
+
+import django.contrib.auth.models
+import django.contrib.auth.validators
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('auth', '0012_alter_user_first_name_max_length'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='MyUser',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('password', models.CharField(max_length=128, verbose_name='password')),
+                ('last_login', models.DateTimeField(blank=True, null=True, verbose_name='last login')),
+                ('is_superuser', models.BooleanField(default=False, help_text='Designates that this user has all permissions without explicitly assigning them.', verbose_name='superuser status')),
+                ('username', models.CharField(error_messages={'unique': 'A user with that username already exists.'}, help_text='Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.', max_length=150, unique=True, validators=[django.contrib.auth.validators.UnicodeUsernameValidator()], verbose_name='username')),
+                ('first_name', models.CharField(blank=True, max_length=150, verbose_name='first name')),
+                ('last_name', models.CharField(blank=True, max_length=150, verbose_name='last name')),
+                ('email', models.EmailField(blank=True, max_length=254, verbose_name='email address')),
+                ('is_staff', models.BooleanField(default=False, help_text='Designates whether the user can log into this admin site.', verbose_name='staff status')),
+                ('is_active', models.BooleanField(default=True, help_text='Designates whether this user should be treated as active. Unselect this instead of deleting accounts.', verbose_name='active')),
+                ('date_joined', models.DateTimeField(default=django.utils.timezone.now, verbose_name='date joined')),
+                ('groups', models.ManyToManyField(blank=True, help_text='The groups this user belongs to. A user will get all permissions granted to each of their groups.', related_name='user_set', related_query_name='user', to='auth.group', verbose_name='groups')),
+                ('user_permissions', models.ManyToManyField(blank=True, help_text='Specific permissions for this user.', related_name='user_set', related_query_name='user', to='auth.permission', verbose_name='user permissions')),
+            ],
+            options={
+                'verbose_name': 'user',
+                'verbose_name_plural': 'users',
+                'abstract': False,
+            },
+            managers=[
+                ('objects', django.contrib.auth.models.UserManager()),
+            ],
+        ),
+    ]

backend/accounts/migrations/0002_myuser_profile_picture.py

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+# Generated by Django 4.2.2 on 2023-06-15 22:26
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='myuser',
+            name='profile_picture',
+            field=models.ImageField(blank=True, null=True, upload_to='profile_img/'),
+        ),
+    ]

backend/accounts/models.py

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+from django.db import models
+from django.contrib.auth.models import AbstractUser
+
+# Create your models here.
+
+class MyUser(AbstractUser):
+    profile_picture = models.ImageField(upload_to='profile_img/',null=True,blank=True)

backend/accounts/serializers.py

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+from .models import MyUser
+from rest_framework  import serializers
+from django.contrib.auth import get_user_model
+
+class LoginSerializer(serializers.ModelSerializer):
+    password = serializers.CharField(write_only=True)
+    class Meta:
+        model = get_user_model()
+        fields = ['id','username','password']
+
+class UserSerializer(serializers.ModelSerializer):
+    password = serializers.CharField(write_only=True)
+    class Meta:
+        model = MyUser
+        fields = ['id','username','email','first_name','last_name','password']
+
+class ProfileSerializer(serializers.ModelSerializer):
+    profile_picture = serializers.ImageField(use_url=True,allow_null=True,required=False)
+    class Meta:
+        model = MyUser
+        fields = '__all__'

backend/accounts/tests.py

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

backend/accounts/urls.py

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+from django.urls import path
+from .views import *
+
+urlpatterns = [
+    path('signup/',SignUpView.as_view(),name='signup'),
+    path('login/',LoginView.as_view(),name='login'),
+    path('profile/',ProfileView.as_view(),name='profile'),
+]

backend/accounts/views.py

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+from rest_framework import generics,status
+from rest_framework.response import Response
+from django.contrib.auth import authenticate
+from rest_framework.permissions import *
+from rest_framework.views import APIView
+from rest_framework.authtoken.models import Token
+from rest_framework.authentication import *
+from rest_framework.decorators import api_view
+from rest_framework.reverse import reverse
+from drf_spectacular.utils import extend_schema,OpenApiResponse
+# import secrets
+
+
+
+# 
+from .models import MyUser
+from .serializers import UserSerializer,ProfileSerializer,LoginSerializer
+
+
+
+# Create your views here.
+
+@api_view(['GET'])
+def api_root(request,format=None):
+    """
+    Api Documentation URLs
+    """
+    return Response(
+        {
+            "Swagger UI":reverse('swagger-ui',request=request,format=format),
+            "Redoc UI":reverse('redoc',request=request,format=format)
+        }
+
+    )
+
+class SignUpView(generics.CreateAPIView):
+    queryset = MyUser.objects.all()
+    serializer_class = UserSerializer
+    permission_classes = [AllowAny]
+
+    def perform_create(self, serializer):
+        user = serializer.save()
+        user.set_password(serializer.validated_data["password"])
+        user.save()
+
+class LoginView(APIView):
+    serializer_class = LoginSerializer
+    permission_classes = [AllowAny]
+    @extend_schema(
+        responses={
+            status.HTTP_200_OK: {
+                'token': 'string',
+                'example': {
+                    'token': "string", 
+                },
+            },
+            status.HTTP_401_UNAUTHORIZED: {
+                'error': 'string',
+                'example': {
+                    'error': 'Invalid credentials'
+                }
+            }
+        }
+    )
+    def post(self, request, *args, **kwargs):
+        username = request.data.get('username')
+        password = request.data.get('password')
+        user = authenticate(username=username, password=password)
+        if user is not None:
+            # login(request, user)
+            # User credentials are valid, generate token
+            token, _ = Token.objects.get_or_create(user=user)
+            return Response({'token': token.key}, status=status.HTTP_200_OK)
+        else:
+            return Response({'error': 'Invalid credentials'}, status=status.HTTP_401_UNAUTHORIZED) 
+
+
+class ProfileView(generics.RetrieveUpdateAPIView):
+    serializer_class = ProfileSerializer
+    permission_classes = [IsAuthenticated]
+    authentication_classes=[TokenAuthentication]
+
+    def get_object(self):
+        return self.request.user

backend/backend/asgi.py

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+"""
+ASGI config for backend 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/4.2/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'backend.settings')
+
+application = get_asgi_application()