First commit

Dockerfile

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+FROM python:3
+ENV PYTHONUNBUFFERED 1
+RUN mkdir -p /manning/rest_django_payments
+WORKDIR /manning/rest_django_payments
+COPY requirements.txt /manning/rest_django_payments/
+RUN pip install -r requirements.txt
+ADD . /manning/rest_django_payments/
+
+EXPOSE 8200
+
+CMD ["gunicorn", "--chdir", "rest_django_payments", "--bind", ":8200", "rest_django_payments.wsgi:application"]

api/admin.py

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+from django.contrib import admin
+from .models import Payment, BankTransfer
+
+admin.site.register(Payment)
+admin.site.register(BankTransfer)

api/apps.py

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+from django.apps import AppConfig
+
+
+class ApiConfig(AppConfig):
+    name = 'api'

api/migrations/0002_initial.py

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+# Generated by Django 2.2.12 on 2020-05-08 23:11
+
+from django.db import migrations, models
+import django.db.models.deletion
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Payment',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('deal_reference', models.CharField(max_length=128)),
+                ('currency_pair', models.CharField(max_length=8)),
+                ('buy_currency', models.CharField(max_length=4)),
+                ('sell_currency', models.CharField(max_length=4)),
+                ('amount', models.IntegerField(default=0)),
+                ('client_id', models.UUIDField(default=uuid.uuid4)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='BankTransfer',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('bank_name', models.CharField(max_length=128)),
+                ('iban_bank_account', models.CharField(max_length=24)),
+                ('status', models.CharField(max_length=24)),
+                ('amount', models.IntegerField(default=0)),
+                ('payment', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='api.Payment')),
+            ],
+        ),
+    ]

api/models.py

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+import uuid
+from django.db import models
+
+class Payment(models.Model):
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+    deal_reference = models.CharField(max_length=128)
+    currency_pair = models.CharField(max_length=8)
+    buy_currency = models.CharField(max_length=4)
+    sell_currency = models.CharField(max_length=4)
+    amount = models.IntegerField(default=0)
+    client_id = models.UUIDField(primary_key=False, default=uuid.uuid4, editable=True)
+
+    def __str__(self):
+        return self.deal_reference
+
+    def get_sell_buy_format(self):
+        return self.sell_currency + self.buy_currency
+
+class BankTransfer(models.Model):
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+    payment = models.ForeignKey(Payment, null=True, on_delete=models.SET_NULL)
+    bank_name = models.CharField(max_length=128)
+    iban_bank_account = models.CharField(max_length=24)
+    status = models.CharField(max_length=24)
+    amount = models.IntegerField(default=0)
+
+    def __str__(self):
+        return self.iban_bank_account

api/serializers.py

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+from rest_framework import serializers
+
+from .models import Payment
+from .models import BankTransfer
+
+class PaymentSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = Payment
+        fields = (
+          'id', 'deal_reference', 'currency_pair', 'buy_currency', 'sell_currency',
+          'amount', 'client_id'
+        )
+
+class BankTransferSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = BankTransfer
+        fields = ('id', 'payment', 'bank_name', 'iban_bank_account', 'status', 'amount')

api/tests/test_models.py

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+from django.test import TestCase
+from ..models import Payment
+
+class PaymentTest(TestCase):
+    """ Test module for Payment model """
+
+    def setUp(self):
+        Payment.objects.create(
+            deal_reference='MNN-DJANGO-PAY-20200503212231', currency_pair='GBPEUR', sell_currency='GBP',
+            buy_currency='EUR', amount=10000, client_id='7f1f1d95-4b3e-404f-a44c-919ccafbc09d')
+    def test_payment_deal_reference(self):
+        payment_gbpeur = Payment.objects.get(deal_reference='MNN-DJANGO-PAY-20200503212231')
+        self.assertEqual(
+            payment_gbpeur.get_sell_buy_format(), "GBPEUR")

api/urls.py

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+from django.urls import include, path
+from rest_framework import routers
+from . import views
+
+router = routers.DefaultRouter()
+router.register(r'payments', views.PaymentViewSet)
+router.register(r'bank_transfer', views.BankTransferViewSet)
+
+urlpatterns = [
+    path('', include(router.urls))
+]

api/views.py

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+from rest_framework import viewsets
+
+from .serializers import PaymentSerializer, BankTransferSerializer
+from .models import Payment, BankTransfer
+
+class PaymentViewSet(viewsets.ModelViewSet):
+    queryset = Payment.objects.all()
+    serializer_class = PaymentSerializer
+
+class BankTransferViewSet(viewsets.ModelViewSet):
+    queryset = BankTransfer.objects.all()
+    serializer_class = BankTransferSerializer

manage.py

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+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'rest_django_payments.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?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

requirements.txt

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+Django>=2.0,<3.0
+gunicorn==19.9.0
+django-mysql>=2.2.0
+djangorestframework==3.11.0
+requests==2.23.0

rest_django_payments/settings.py

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+"""
+Django settings for rest_django_payments project.
+
+Generated by 'django-admin startproject' using Django 2.2.12.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/2.2/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/2.2/ref/settings/
+"""
+
+import os
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/2.2/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'su9id&)ww_kn0%^vus+e)0^z!14hu)fu$r6rs=&d_t3hx=ise7'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = ["*"]
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'rest_framework',
+    'api.apps.ApiConfig',
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+]
+
+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 = 'rest_django_payments.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',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'rest_django_payments.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/2.2/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.mysql',
+        'NAME': 'moneyfx',
+        'USER': 'root',
+	    'PASSWORD': os.environ.get('POSTGRES_PASSWORD', 'password'),
+        'HOST': os.environ.get('MONEYFX_PG_HOST', 'mysql'),
+        'PORT': 3306,
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/2.2/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/2.2/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/2.2/howto/static-files/
+
+STATIC_URL = '/static/'

rest_django_payments/urls.py

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+"""rest_django_payments URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/2.2/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.contrib import admin
+from django.urls import path, include
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+    path('', include('api.urls'))
+]

rest_django_payments/wsgi.py

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+"""
+WSGI config for rest_django_payments 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/2.2/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'rest_django_payments.settings')
+
+application = get_wsgi_application()