create folders for components;

components/i_feed/traffic_light.py

@@ -0,0 +1 @@
+# TODO

components/i_feed/vehicle.py

@@ -0,0 +1 @@
+# TODO

components/orchestration/.gitignore

@@ -0,0 +1,6 @@
+venv
+*.pyc
+staticfiles
+.env
+*.sqlite3
+homeschooling_be_app.egg-info

components/orchestration/.run/createsuperuser.run.xml

@@ -0,0 +1,24 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="createsuperuser" type="PythonConfigurationType" factoryName="Python">
+    <module name="middleware" />
+    <option name="INTERPRETER_OPTIONS" value="" />
+    <option name="PARENT_ENVS" value="true" />
+    <envs>
+      <env name="PYTHONUNBUFFERED" value="1" />
+    </envs>
+    <option name="SDK_HOME" value="" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+    <option name="IS_MODULE_SDK" value="true" />
+    <option name="ADD_CONTENT_ROOTS" value="true" />
+    <option name="ADD_SOURCE_ROOTS" value="true" />
+    <EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
+    <option name="SCRIPT_NAME" value="$PROJECT_DIR$/manage.py" />
+    <option name="PARAMETERS" value="createsuperuser" />
+    <option name="SHOW_COMMAND_LINE" value="false" />
+    <option name="EMULATE_TERMINAL" value="false" />
+    <option name="MODULE_MODE" value="false" />
+    <option name="REDIRECT_INPUT" value="false" />
+    <option name="INPUT_FILE" value="" />
+    <method v="2" />
+  </configuration>
+</component>

components/orchestration/.run/makemigrations.run.xml

@@ -0,0 +1,24 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="makemigrations" type="PythonConfigurationType" factoryName="Python">
+    <module name="middleware" />
+    <option name="INTERPRETER_OPTIONS" value="" />
+    <option name="PARENT_ENVS" value="true" />
+    <envs>
+      <env name="PYTHONUNBUFFERED" value="1" />
+    </envs>
+    <option name="SDK_HOME" value="" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+    <option name="IS_MODULE_SDK" value="true" />
+    <option name="ADD_CONTENT_ROOTS" value="true" />
+    <option name="ADD_SOURCE_ROOTS" value="true" />
+    <EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
+    <option name="SCRIPT_NAME" value="$PROJECT_DIR$/manage.py" />
+    <option name="PARAMETERS" value="makemigrations app_be" />
+    <option name="SHOW_COMMAND_LINE" value="false" />
+    <option name="EMULATE_TERMINAL" value="false" />
+    <option name="MODULE_MODE" value="false" />
+    <option name="REDIRECT_INPUT" value="false" />
+    <option name="INPUT_FILE" value="" />
+    <method v="2" />
+  </configuration>
+</component>

components/orchestration/.run/migrate.run.xml

@@ -0,0 +1,24 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="migrate" type="PythonConfigurationType" factoryName="Python">
+    <module name="middleware" />
+    <option name="INTERPRETER_OPTIONS" value="" />
+    <option name="PARENT_ENVS" value="true" />
+    <envs>
+      <env name="PYTHONUNBUFFERED" value="1" />
+    </envs>
+    <option name="SDK_HOME" value="" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+    <option name="IS_MODULE_SDK" value="true" />
+    <option name="ADD_CONTENT_ROOTS" value="true" />
+    <option name="ADD_SOURCE_ROOTS" value="true" />
+    <EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
+    <option name="SCRIPT_NAME" value="$PROJECT_DIR$/manage.py" />
+    <option name="PARAMETERS" value="migrate" />
+    <option name="SHOW_COMMAND_LINE" value="false" />
+    <option name="EMULATE_TERMINAL" value="false" />
+    <option name="MODULE_MODE" value="false" />
+    <option name="REDIRECT_INPUT" value="false" />
+    <option name="INPUT_FILE" value="" />
+    <method v="2" />
+  </configuration>
+</component>

components/orchestration/.run/runserver.run.xml

@@ -0,0 +1,24 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="runserver" type="PythonConfigurationType" factoryName="Python">
+    <module name="middleware" />
+    <option name="INTERPRETER_OPTIONS" value="" />
+    <option name="PARENT_ENVS" value="true" />
+    <envs>
+      <env name="PYTHONUNBUFFERED" value="1" />
+    </envs>
+    <option name="SDK_HOME" value="" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+    <option name="IS_MODULE_SDK" value="true" />
+    <option name="ADD_CONTENT_ROOTS" value="true" />
+    <option name="ADD_SOURCE_ROOTS" value="true" />
+    <EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
+    <option name="SCRIPT_NAME" value="$PROJECT_DIR$/manage.py" />
+    <option name="PARAMETERS" value="runserver" />
+    <option name="SHOW_COMMAND_LINE" value="false" />
+    <option name="EMULATE_TERMINAL" value="false" />
+    <option name="MODULE_MODE" value="false" />
+    <option name="REDIRECT_INPUT" value="false" />
+    <option name="INPUT_FILE" value="" />
+    <method v="2" />
+  </configuration>
+</component>

components/orchestration/Dockerfile

@@ -0,0 +1,19 @@
+FROM python:3.8-slim
+ENV PYTHONUNBUFFERED 1
+RUN apt-get update
+RUN apt-get install -y build-essential gcc
+
+RUN python -m venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
+
+RUN python -m pip install --upgrade pip
+
+ENV PATH="/opt/venv/bin:$PATH"
+
+RUN mkdir /code
+WORKDIR /code
+COPY setup.py /code/
+COPY requirements.txt /code/
+RUN pip install -r requirements.txt
+
+COPY . /code/

components/orchestration/README.md

@@ -0,0 +1,20 @@
+# AIC Django Middleware
+
+## Tips
+* use Jetbrains Pycharm IDE
+* create and use a virtual environment
+
+## Setup
+    $ cd ./middleware
+    
+    $ pip install -r requirements.txt
+    
+    $ python manage.py makemigrations
+    $ python manage.py migrate
+    $ python manage.py createsuperuser
+    
+    $ python mangge.py runserver
+
+## ERROR handling
+<em>Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools"</em>
+<br>Install missing deps https://visualstudio.microsoft.com/visual-cpp-build-tools/

components/orchestration/app_be/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

components/orchestration/app_be/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class AppBeConfig(AppConfig):
+    name = 'app_be'

components/orchestration/app_be/models.py

@@ -0,0 +1,3 @@
+from django.db import models
+
+# Create your models here.

components/orchestration/app_be/routing.py

@@ -0,0 +1,17 @@
+from django.conf.urls import url
+
+from channels.routing import ProtocolTypeRouter, URLRouter
+from channels.sessions import SessionMiddlewareStack
+from django.core.asgi import get_asgi_application
+
+from .views.ws_api import CustomConsumer
+
+application = ProtocolTypeRouter({
+    # Django's ASGI application to handle traditional HTTP requests
+    "http": get_asgi_application(),
+
+    # WebSocket send handler
+    "websocket": SessionMiddlewareStack(URLRouter([
+        url(r"^test-ws-endpoint/$", CustomConsumer.as_asgi()),
+    ]))
+})

components/orchestration/app_be/serializers.py

@@ -0,0 +1,3 @@
+from rest_framework import serializers
+
+# add serializer here

components/orchestration/app_be/settings.py

@@ -0,0 +1,221 @@
+"""
+For more information on this file, see
+https://docs.djangoproject.com/en/2.0/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/2.0/ref/settings/
+"""
+import datetime
+import os
+
+# set the websocket routing module location here
+ASGI_APPLICATION = 'app_be.routing.application'
+
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+PROJECT_ROOT = os.path.dirname(os.path.abspath(__file__))
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/2.0/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = "{{ secret_key }}"
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+# Application definition
+
+INSTALLED_APPS = [
+    'app_be',
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'channels',
+    'rest_framework'
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'whitenoise.middleware.WhiteNoiseMiddleware',
+    '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',
+]
+
+"""
+default permission and authentication classes
+sets the standard privileges needed to access an api
+for now, no classes necessary and therefore disabled!
+"""
+REST_FRAMEWORK = {
+    'DEFAULT_PERMISSION_CLASSES': (
+        # 'rest_framework.permissions.IsAuthenticated',  # last comma is MANDATORY
+        []
+    ),
+    'DEFAULT_AUTHENTICATION_CLASSES': (
+        # 'rest_framework_jwt.authentication.JSONWebTokenAuthentication',  # last comma is MANDATORY
+        []
+    )
+}
+
+
+# configuration of jason web token authentication
+JWT_AUTH = {
+    'JWT_VERIFY': True,
+    'JWT_AUTH_HEADER_PREFIX': 'Bearer',
+    'JWT_ALLOW_REFRESH': True,
+    # 60 minutes
+    'JWT_EXPIRATION_DELTA': datetime.timedelta(seconds=3600),
+    # debug 10 seconds
+    # 'JWT_EXPIRATION_DELTA': datetime.timedelta(seconds=10),
+}
+
+if DEBUG:
+    # install corsheaders to enable to run
+    # the rest (django) an gui (angular) server on two different ports
+    INSTALLED_APPS.append("corsheaders")
+    MIDDLEWARE.append('corsheaders.middleware.CorsMiddleware')
+    MIDDLEWARE.append('django.middleware.common.BrokenLinkEmailsMiddleware')
+    MIDDLEWARE.append('django.middleware.common.CommonMiddleware')
+    CORS_ORIGIN_ALLOW_ALL = True
+    ALLOWED_HOSTS = [
+        "*"
+    ]
+else:
+    ALLOWED_HOSTS = [
+        "*",
+        "127.0.0.1"
+    ]
+
+ROOT_URLCONF = 'app_be.urls'
+
+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',
+            ],
+            'debug': DEBUG,
+        },
+    },
+]
+
+WSGI_APPLICATION = 'app_be.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/2.0/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    }
+}
+
+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/2.0/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+TIME_ZONE = 'UTC'
+USE_I18N = True
+USE_L10N = True
+USE_TZ = True
+
+# Change 'default' database configuration with $DATABASE_URL.
+# DATABASES['default'].update(dj_database_url.config(conn_max_age=500, ssl_require=True))
+
+# Honor the 'X-Forwarded-Proto' header for request.is_secure()
+SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/2.0/howto/static-files/
+
+STATIC_ROOT = os.path.join(PROJECT_ROOT, 'staticfiles')
+STATIC_URL = '/static/'
+
+# Extra places for collectstatic to find static files.
+STATICFILES_DIRS = [
+    os.path.join(PROJECT_ROOT, 'static'),
+]
+
+# Simplified static file serving.
+# https://warehouse.python.org/project/whitenoise/
+STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'
+
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'formatters': {
+        'verbose': {
+            'format': '{asctime} - {levelname}: {message} ({pathname}:{lineno})',
+            'style': '{',
+        }
+    },
+    'handlers': {
+        'console': {
+            'level': 'DEBUG',
+            'class': 'logging.StreamHandler',
+            'formatter': 'verbose'
+        },
+        'logfile': {
+            'level': 'DEBUG',
+            'class': 'logging.FileHandler',
+            'filename': BASE_DIR + "/../logfile",
+            'formatter': 'verbose'
+        },
+    },
+
+    'loggers': {
+        'rdg': {
+            'handlers': ['console', 'logfile'],
+            'level': 'DEBUG',
+        },
+        'rdg_rest': {
+            'handlers': ['console', 'logfile'],
+            'level': 'DEBUG',
+        },
+        'rdg_angular': {
+            'handlers': ['console', 'logfile'],
+            'level': 'DEBUG',
+        },
+    },
+    'root': {
+        'level': 'DEBUG',
+        'handlers': []  # pass a empty list to avoid duplicte log entries
+    },
+}
+
+# increase the maximum upload size of files
+DATA_UPLOAD_MAX_MEMORY_SIZE = 104857600
+

components/orchestration/app_be/tests.py

@@ -0,0 +1,15 @@
+from django.test import TestCase
+
+# Create your tests here.
+from rest_framework import status
+from rest_framework.test import APITestCase
+
+
+class AccountTests(APITestCase):
+    def test_create_account(self):
+        """
+        Ensure we can create a new account object.
+        """
+        url = '/test/'
+        response = self.client.get(url, format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)

components/orchestration/app_be/urls.py

@@ -0,0 +1,30 @@
+"""{{ project_name }} URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/2.0/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.urls import url
+from django.contrib import admin
+from django.urls import path
+from rest_framework.routers import DefaultRouter
+
+from app_be.views.rest_api import TestApiClass
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+    url(r'^test/', TestApiClass.test_api),
+]
+
+router = DefaultRouter()
+
+urlpatterns.extend(router.urls)

components/orchestration/app_be/views/rest_api.py

@@ -0,0 +1,15 @@
+import logging
+
+from django.http import JsonResponse
+
+from rest_framework.decorators import api_view
+
+logger = logging.getLogger(__name__)
+
+
+class TestApiClass:
+    @staticmethod
+    @api_view(['GET'])
+    def test_api(request):
+        logger.debug('Test api call: {}'.format(request))
+        return JsonResponse({'Result': 'success'}, safe=False)

components/orchestration/app_be/views/ws_api.py

@@ -0,0 +1,18 @@
+import logging
+
+from channels.generic.websocket import WebsocketConsumer
+
+
+logger = logging.getLogger(__name__)
+
+
+class CustomConsumer(WebsocketConsumer):
+    def connect(self):
+        self.accept()
+
+    def receive(self, text_data=None, bytes_data=None):
+        self.send('1. response: {}'.format(text_data))
+        self.send('2. response: {}'.format(text_data))
+
+    def disconnect(self, code):
+        pass

components/orchestration/app_be/wsgi.py

@@ -0,0 +1,16 @@
+"""
+WSGI config for {{ project_name }} 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/2.0/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "{{ app_be }}.settings")
+
+application = get_wsgi_application()

components/orchestration/manage.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python
+import os
+import sys
+
+if __name__ == "__main__":
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "app_be.settings")
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        )
+    execute_from_command_line(sys.argv)

components/orchestration/requirements.txt

@@ -0,0 +1,2 @@
+# install setup.py in dev mode
+-e .

components/orchestration/setup.py

@@ -0,0 +1,23 @@
+import os
+from setuptools import find_packages, setup
+
+# allow setup.py to be run from any path
+os.chdir(os.path.normpath(os.path.join(os.path.abspath(__file__), os.pardir)))
+
+setup(
+    name='homeschooling-be-app',
+    version='0.0.0',
+    packages=find_packages(),
+    include_package_data=True,
+    install_requires=[
+        'Django==3.0.5',
+        'djangorestframework==3.12.1',
+        'djangorestframework-jwt==1.11.0',
+        'django-cors-headers==3.5.0',
+        'channels==3.0.1',
+        'channels_redis==3.2.0',
+        'whitenoise==5.2.0',
+    ],
+    license='BSD License',  # example license
+    description='DESCRIPTION'
+)