setup project

.env

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+SECRET_KEY=abc
+DEBUG=True
+
+# Databse credentials
+DATABASE_ENGINE=django.db.backends.postgresql
+DATABASE_NAME=astro
+DATABASE_USER=postgres
+DATABASE_PASSWORD=qwer
+DATABASE_HOST=localhost
+DATABASE_PORT=5432
+
+CELERY_BROKER_URL=redis://127.0.0.1:6379
+CACHE_BROKER_URL=redis://127.0.0.1:6379/1
+
+# creds for sending email service
+EMAIL_HOST=sandbox.smtp.mailtrap.io
+EMAIL_HOST_USER=aaea48213879d3
+EMAIL_HOST_PASSWORD=31aed4f86b21fb
+EMAIL_PORT=2525

.gitignore

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+env/

astro/asgi.py

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+"""
+ASGI config for astro 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/4.1/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'astro.settings')
+
+application = get_asgi_application()

astro/celery.py

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+from __future__ import absolute_import, unicode_literals
+
+import os
+
+from celery import Celery
+
+# set the default Django settings module for the 'celery' program.
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "astro.settings")
+
+app = Celery("astro")
+
+# Using a string here means the worker don't have to serialize
+# the configuration object to child processes.
+# - namespace='CELERY' means all celery-related configuration keys
+#   should have a `CELERY_` prefix.
+app.config_from_object("django.conf:settings", namespace="CELERY")
+
+# Load task modules from all registered Django app configs.
+app.autodiscover_tasks()
+
+
+@app.task(bind=True)
+def debug_task(self):
+    print("Request: {0!r}".format(self.request))

astro/settings.py

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+"""
+Django settings for astro project.
+
+Generated by 'django-admin startproject' using Django 4.1.7.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/4.1/ref/settings/
+"""
+from dotenv import load_dotenv
+
+load_dotenv()
+
+import os
+from os import environ
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/4.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = environ["SECRET_KEY"]
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = environ["DEBUG"] == "True"
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    "django.contrib.admin",
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+    "rest_framework",
+    "rest_framework.authtoken",
+    "django_celery_results",
+    "django_celery_beat",
+    "users",
+    "properties",
+    "bids",
+]
+
+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",
+]
+
+ROOT_URLCONF = "astro.urls"
+
+TEMPLATES = [
+    {
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "DIRS": ["templates"],
+        "APP_DIRS": True,
+        "OPTIONS": {
+            "context_processors": [
+                "django.template.context_processors.debug",
+                "django.template.context_processors.request",
+                "django.contrib.auth.context_processors.auth",
+                "django.contrib.messages.context_processors.messages",
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = "astro.wsgi.application"
+
+
+# Database
+# https://docs.djangoproject.com/en/4.1/ref/settings/#databases
+
+DATABASES = {
+    "default": {
+        "ENGINE": environ["DATABASE_ENGINE"],
+        "NAME": environ["DATABASE_NAME"],
+        "USER": environ["DATABASE_USER"],
+        "PASSWORD": environ["DATABASE_PASSWORD"],
+        "HOST": environ["DATABASE_HOST"],
+        "PORT": environ["DATABASE_PORT"],
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/4.1/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/4.1/topics/i18n/
+
+LANGUAGE_CODE = "en-us"
+
+TIME_ZONE = "UTC"
+
+USE_I18N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/4.1/howto/static-files/
+
+STATIC_URL = "static/"
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/4.1/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
+
+
+REST_FRAMEWORK = {
+    "DEFAULT_AUTHENTICATION_CLASSES": [
+        "rest_framework.authentication.TokenAuthentication",
+    ],
+    "DEFAULT_FILTER_BACKENDS": ["django_filters.rest_framework.DjangoFilterBackend"],
+    "DEFAULT_RENDERER_CLASSES": [
+        "rest_framework.renderers.JSONRenderer",
+    ]
+    + (["rest_framework.renderers.BrowsableAPIRenderer"] if DEBUG else []),
+}
+
+AUTH_USER_MODEL = "users.User"
+STATIC_URL = "/static/"
+STATICFILES_DIRS = [
+    os.path.join(BASE_DIR, "static"),
+]
+MEDIA_URL = "/media/"
+MEDIA_ROOT = os.path.join(BASE_DIR, "media")
+
+
+CELERY_BROKER_URL = environ["CELERY_BROKER_URL"]
+CELERY_RESULT_BACKEND = "django-db"
+CELERY_CACHE_BACKEND = "django-cache"
+CELERY_ACCEPT_CONTENT = ["json", "pickle"]
+CELERY_TASK_SERIALIZER = "json"
+CELERY_RESULT_SERIALIZER = "json"
+CELERY_BROKER_TRANSPORT_OPTIONS = {
+    "max_retries": environ.get("CELERY_PUBLISH_MAX_RETRIES", 1)
+}
+CELERY_SEND_TASK_ERROR_EMAILS = True
+CELERY_IGNORE_RESULT = False
+CELERY_SEND_EVENTS = True
+DJANGO_CELERY_RESULTS_TASK_ID_MAX_LENGTH = 100
+
+from celery.schedules import crontab
+
+CELERY_BEAT_SCHEDULE = {
+    "mark_inactive_property_in_every_15_minutes": {
+        "task": "properties.tasks.mark_inactive_property",
+        "schedule": crontab(minute="*/15"),
+    }
+}
+
+
+EMAIL_BACKEND = "django.core.mail.backends.smtp.EmailBackend"
+EMAIL_HOST = environ["EMAIL_HOST"]
+EMAIL_HOST_USER = environ["EMAIL_HOST_USER"]
+EMAIL_HOST_PASSWORD = environ["EMAIL_HOST_PASSWORD"]
+EMAIL_PORT = environ["EMAIL_PORT"]

astro/urls.py

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+"""astro URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/4.1/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.conf import settings
+from django.conf.urls.static import static
+from django.contrib import admin
+from django.shortcuts import render
+from django.urls import include, path
+
+
+def home(request):
+    return render(request, "index.html")
+
+
+def about(request):
+    return render(request, "about.html")
+
+
+def contact(request):
+    return render(request, "contact.html")
+
+
+urlpatterns = [
+    path("", home, name="home"),
+    path("about/", about, name="about"),
+    path("contact/", contact, name="contact"),
+    path("admin/", admin.site.urls),
+    path("users/", include("users.urls")),
+    path("properties/", include("properties.urls")),
+    path("bids/", include("bids.urls")),
+]
+urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

astro/wsgi.py

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+"""
+WSGI config for astro project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.1/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'astro.settings')
+
+application = get_wsgi_application()

bids/admin.py

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+from django.contrib import admin
+from django.contrib.admin import ModelAdmin
+
+from bids.models import Auction
+
+
+@admin.register(Auction)
+class AuctionAdmin(ModelAdmin):
+    list_display = ("id", "property", "buyer", "amount", "is_active", "date_created")
+    list_filter = ("is_active",)
+    search_fields = ("property__name", "buyer__email", "amount")

bids/apps.py

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+from django.apps import AppConfig
+
+
+class BidsConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "bids"

bids/migrations/0001_initial.py

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+# Generated by Django 4.1.7 on 2023-03-25 17:41
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+    initial = True
+
+    dependencies = [
+        ("properties", "0001_initial"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Auction",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("amount", models.PositiveBigIntegerField()),
+                ("is_active", models.BooleanField(default=True)),
+                (
+                    "date_created",
+                    models.DateTimeField(default=django.utils.timezone.now),
+                ),
+                (
+                    "buyer",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.PROTECT,
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+                (
+                    "property",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.PROTECT,
+                        to="properties.property",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "Auction",
+                "verbose_name_plural": "Auctions",
+            },
+        ),
+    ]