Added user registration

solution/Dockerfile

@@ -15,4 +15,4 @@ WORKDIR /app
 
 COPY . .
 
-CMD ["sh", "-c", "cd pulse && exec python3 manage.py runserver 0.0.0.0:$SERVER_PORT"]
+CMD ["sh", "-c", "cd pulse && python3 manage.py migrate && exec python3 manage.py runserver 0.0.0.0:$SERVER_PORT"]

solution/pulse/countries/urls.py

@@ -5,7 +5,7 @@ import countries.views
 urlpatterns = [
     path("", countries.views.CountryListView.as_view(), name="countries"),
     path(
-        "<str:alpha2>/",
+        "/<str:alpha2>",
         countries.views.CountryByAlpha2View.as_view(),
         name="country_by_alpha2",
     ),

solution/pulse/pulse/settings.py

@@ -28,13 +28,13 @@ INSTALLED_APPS = [
     # Developed apps
     "ping.apps.PingConfig",
     "countries.apps.CountriesConfig",
+    "users.apps.UsersConfig",
 ]
 
 MIDDLEWARE = [
     "django.middleware.security.SecurityMiddleware",
     "django.contrib.sessions.middleware.SessionMiddleware",
     "django.middleware.common.CommonMiddleware",
-    "django.middleware.csrf.CsrfViewMiddleware",
     "django.contrib.auth.middleware.AuthenticationMiddleware",
     "django.contrib.messages.middleware.MessageMiddleware",
     "django.middleware.clickjacking.XFrameOptionsMiddleware",
@@ -115,6 +115,8 @@ REST_FRAMEWORK = {
     ]
 }
 
+APPEND_SLASH = False
+
 if DEBUG:
     INSTALLED_APPS.insert(0, "debug_toolbar")
     MIDDLEWARE.append("debug_toolbar.middleware.DebugToolbarMiddleware")

solution/pulse/pulse/urls.py

@@ -13,8 +13,9 @@ urlpatterns = [
         ),
     ),
     # API
-    path("api/ping/", include("ping.urls")),
-    path("api/countries/", include("countries.urls")),
+    path("api/ping", include("ping.urls")),
+    path("api/countries", include("countries.urls")),
+    path("api/auth/", include("users.urls")),
 ]
 
 if settings.DEBUG:

solution/pulse/users/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class UsersConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "users"

solution/pulse/users/migrations/0001_initial.py

@@ -0,0 +1,28 @@
+# Generated by Django 4.2.10 on 2024-02-29 14:37
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Profile',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('login', models.CharField(max_length=30, validators=[django.core.validators.RegexValidator('[a-zA-Z0-9-]+')])),
+                ('email', models.EmailField(max_length=50)),
+                ('password', models.CharField(max_length=100, validators=[django.core.validators.MinLengthValidator(6), django.core.validators.MaxLengthValidator(100), django.core.validators.RegexValidator('^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z]).+$')])),
+                ('countryCode', models.CharField(max_length=2, validators=[django.core.validators.RegexValidator('[a-zA-Z]{2}')])),
+                ('isPublic', models.BooleanField()),
+                ('phone', models.CharField(blank=True, max_length=20, null=True, validators=[django.core.validators.RegexValidator('\\+[\\d]+')])),
+                ('image', models.URLField(blank=True, null=True)),
+            ],
+        ),
+    ]

solution/pulse/users/models.py

@@ -0,0 +1,38 @@
+from django.core.validators import (
+    MaxLengthValidator,
+    MinLengthValidator,
+    RegexValidator,
+)
+from django.db import models
+
+
+class Profile(models.Model):
+    login = models.CharField(
+        max_length=30,
+        validators=[RegexValidator(r"[a-zA-Z0-9-]+")],
+    )
+    email = models.EmailField(max_length=50)
+    password = models.CharField(
+        max_length=100,
+        validators=[
+            MinLengthValidator(6),
+            MaxLengthValidator(100),
+            RegexValidator(r"^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z]).+$"),
+        ],
+    )
+    # ruff: noqa: DJ001 N815
+    countryCode = models.CharField(
+        max_length=2,
+        validators=[RegexValidator(r"[a-zA-Z]{2}")],
+    )
+    isPublic = models.BooleanField()
+    phone = models.CharField(
+        max_length=20,
+        validators=[RegexValidator(r"\+[\d]+")],
+        blank=True,
+        null=True,
+    )
+    image = models.URLField(max_length=200, blank=True, null=True)
+
+    def __str__(self):
+        return self.login

solution/pulse/users/serializers.py

@@ -0,0 +1,19 @@
+from rest_framework import serializers
+
+from users.models import Profile
+
+
+class UserSerializer(serializers.ModelSerializer):
+    password = serializers.CharField(write_only=True)
+
+    class Meta:
+        model = Profile
+        fields = [
+            "login",
+            "email",
+            "password",
+            "countryCode",
+            "isPublic",
+            "phone",
+            "image",
+        ]

solution/pulse/users/urls.py

@@ -0,0 +1,11 @@
+from django.urls import path
+
+import users.views
+
+urlpatterns = [
+    path(
+        "register",
+        users.views.register_user,
+        name="register",
+    ),
+]

solution/pulse/users/views.py

@@ -0,0 +1,87 @@
+import re
+
+import bcrypt
+from rest_framework import status
+from rest_framework.decorators import api_view
+from rest_framework.response import Response
+
+from users.models import Profile
+from users.serializers import UserSerializer
+
+MIN_PASSWORD_LEN = 6
+MAX_PASSWORD_LEN = 100
+
+
+@api_view(["POST"])
+def register_user(request):
+    serializer = UserSerializer(data=request.data)
+
+    if serializer.is_valid():
+        if (
+            Profile.objects.filter(
+                login=serializer.validated_data["login"]
+            ).first()
+            is not None
+        ):
+            return Response(
+                {"error": "User with this login already exists"},
+                status=status.HTTP_409_CONFLICT,
+            )
+        if (
+            Profile.objects.filter(
+                email=serializer.validated_data["email"]
+            ).first()
+            is not None
+        ):
+            return Response(
+                {"error": "User with this email already exists"},
+                status=status.HTTP_409_CONFLICT,
+            )
+        if (
+            Profile.objects.filter(
+                phone=serializer.validated_data["phone"]
+            ).first()
+            is not None
+        ):
+            return Response(
+                {"error": "User with this phone already exists"},
+                status=status.HTTP_409_CONFLICT,
+            )
+
+        password = serializer.validated_data["password"]
+        password_pattern = re.compile(
+            r"^(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9]).{6,100}$"
+        )
+
+        if not (
+            bool(re.match(password_pattern, password))
+        ):
+            error = {"message": "Your password does not meet our requirements"}
+            return Response(
+                error,
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+
+        password_hash = bcrypt.hashpw(
+            password.encode("utf-8"), bcrypt.gensalt()
+        ).decode("utf-8")
+        serializer.validated_data["password"] = password_hash
+
+        user = serializer.save()
+
+        profile = {
+            "profile": {
+                "login": user.login,
+                "email": user.email,
+                "countryCode": user.countryCode,
+                "isPublic": user.isPublic,
+            }
+        }
+        if user.phone is not None:
+            profile["profile"]["phone"] = user.phone
+        if user.image is not None:
+            profile["profile"]["image"] = user.image
+
+        return Response(profile, status=status.HTTP_201_CREATED)
+
+    return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

solution/requirements/prod.txt

@@ -4,3 +4,4 @@ python-dotenv==1.0.1
 psycopg2-binary==2.9.9
 dj-database-url==2.1.0
 django-filter==23.5
+bcrypt==4.1.2

solution/template.env

@@ -2,8 +2,6 @@ DJANGO_DEBUG = False
 SECRET_KEY = secret_key
 DJANGO_ALLOWED_HOSTS = 127.0.0.1
 INTERNAL_IPS = 127.0.0.1
-POSTGRES_CONN = postgres://login:pass@localhost:5432/postgres
-POSTGRES_JDBC_URL = jdbc:postgresql://host:port/dbname
 POSTGRES_USERNAME = postgres
 POSTGRES_PASSWORD = password
 POSTGRES_HOST = localhost