Development

.vscode/settings.json

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+{
+    "python.pythonPath": "../.env/bin/python",
+    "python.formatting.provider": "yapf"
+}

DjangoScheduler/.gitignore

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+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+main/migrations/
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# dotenv
+.env
+
+# virtualenv
+.venv
+venv/
+ENV/
+.vscode
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+
+.DS_Store
+*.sqlite3
+media/
+*.pyc
+*.db
+*.pid
+
+# Ignore Django Migrations in Development if you are working on team
+
+# Only for Development only
+# **/migrations/**
+# !**/migrations
+# !**/migrations/__init__.py
+notes.txt
+../notes.txt

DjangoScheduler/DjangoScheduler/__init__.py

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+from __future__ import absolute_import, unicode_literals
+
+# This will make sure the app is always imported when
+# Django starts so that shared_task will use this app.
+from .celery import app as celery_app
+
+__all__ = ('celery_app',)

DjangoScheduler/DjangoScheduler/asgi.py

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+"""
+ASGI config for DjangoScheduler 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/3.1/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'DjangoScheduler.settings')
+
+application = get_asgi_application()

DjangoScheduler/DjangoScheduler/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', 'DjangoScheduler.settings')
+
+app = Celery('DjangoScheduler')
+
+# Using a string here means the worker doesn'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))

DjangoScheduler/DjangoScheduler/controller.py

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+from scheduler.models import Task as schedulerTask
+from main.models import *
+from scheduler.tasks import send_email_task
+
+from celery.result import AsyncResult
+
+
+class Controller():
+
+    def scheduleTask(self, task):
+        # scheduling & adding task to db & Queue
+        result = send_email_task.apply_async(
+            args=[task.title,
+                  task.description,
+                  task.owner.email],
+            eta=task.timeToSend)
+
+        id = result.task_id
+        schedulerTask.objects.create(uuid=id, data=task)
+
+    def updateTask(self, task):
+
+        # revoking & deleting old task
+        old_task = schedulerTask.objects.get(data__pk=task.pk)
+        AsyncResult(old_task.uuid).revoke()
+        old_task.delete()
+
+        # reScheduling task
+        self.scheduleTask(task)

DjangoScheduler/DjangoScheduler/settings.py

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+"""
+Django settings for DjangoScheduler project.
+
+Generated by 'django-admin startproject' using Django 3.1.6.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/3.1/ref/settings/
+"""
+
+from datetime import timedelta
+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/3.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = '^^--akxxwiep=370c_33gl8g1xy&8&*(_rx__7^p1t1-#d+9i%'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+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',
+    'main',
+    'scheduler'
+]
+AUTHENTICATION_BACKENDS = (
+    'django.contrib.auth.backends.RemoteUserBackend',
+    'django.contrib.auth.backends.ModelBackend',
+)
+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.auth.middleware.RemoteUserMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'DjangoScheduler.urls'
+
+REST_FRAMEWORK = {
+    'DEFAULT_AUTHENTICATION_CLASSES': [
+        'rest_framework_simplejwt.authentication.JWTAuthentication',
+    ],
+}
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        '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 = 'DjangoScheduler.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/3.1/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': BASE_DIR / 'db.sqlite3',
+    }
+}
+
+AUTH_USER_MODEL = 'main.CustomUser'
+
+# Password validation
+# https://docs.djangoproject.com/en/3.1/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/3.1/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'Asia/Tehran'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = True
+
+
+SIMPLE_JWT = {
+    'ACCESS_TOKEN_LIFETIME': timedelta(minutes=500),
+    'REFRESH_TOKEN_LIFETIME': timedelta(days=10),
+    'ROTATE_REFRESH_TOKENS': False,
+    'BLACKLIST_AFTER_ROTATION': True,
+    'UPDATE_LAST_LOGIN': False,
+
+    'ALGORITHM': 'HS256',
+    'SIGNING_KEY': SECRET_KEY,
+    'VERIFYING_KEY': None,
+    'AUDIENCE': None,
+    'ISSUER': None,
+
+    'AUTH_HEADER_TYPES': ('Bearer',),
+    'AUTH_HEADER_NAME': 'HTTP_AUTHORIZATION',
+    'USER_ID_FIELD': 'id',
+    'USER_ID_CLAIM': 'user_id',
+
+    'AUTH_TOKEN_CLASSES': ('rest_framework_simplejwt.tokens.AccessToken',),
+    'TOKEN_TYPE_CLAIM': 'token_type',
+
+    'JTI_CLAIM': 'jti',
+
+    'SLIDING_TOKEN_REFRESH_EXP_CLAIM': 'refresh_exp',
+    'SLIDING_TOKEN_LIFETIME': timedelta(minutes=500),
+    'SLIDING_TOKEN_REFRESH_LIFETIME': timedelta(days=10),
+}
+
+
+# celery configuration
+CELERY_BROKER_URL = "amqp://localhost"
+CELERY_TIMEZONE = "Asia/Tehran"
+CELERY_TASK_TRACK_STARTED = True
+CELERY_ACCEPT_CONTENT = ['json']
+CELERY_TASK_SERIALIZER = 'json'
+CELERY_RESULT_BACKEND = 'rpc://'
+CELERY_RESULT_PRESISTANT = False
+
+# smtp configuration
+EMAIL_HOST = 'smtp.fastmail.com'
+EMAIL_PORT = 465
+EMAIL_HOST_USER = 'bmhztest@fastmail.com'
+EMAIL_HOST_PASSWORD = ''
+EMAIL_USE_TLS = False
+EMAIL_USE_SSL = True
+
+
+STATIC_URL = '/static/'
+APPEND_SLASH = False