Add function to generate billing

django/santropolFeast/billing/migrations/0001_initial.py

@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.8 on 2016-08-10 17:02
+from __future__ import unicode_literals
+
+import annoying.fields
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('order', '0006_auto_20160803_2217'),
+        ('member', '0011_client_delivery_note'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Billing',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('total_amount', models.DecimalField(decimal_places=2, max_digits=6, verbose_name='total_amount')),
+                ('billing_month', models.IntegerField()),
+                ('billing_year', models.IntegerField()),
+                ('generation_date', models.DateTimeField(auto_now=True)),
+                ('detail', annoying.fields.JSONField()),
+                ('client', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='member.Client')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='OrderBilling',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('billing_id', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='client_billing', to='billing.Billing')),
+                ('order_id', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='client_order', to='order.Order')),
+            ],
+        ),
+    ]

django/santropolFeast/billing/migrations/0002_billingcycle.py

@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.8 on 2016-08-10 18:31
+from __future__ import unicode_literals
+
+import annoying.fields
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('billing', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='BillingCycle',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('total_order', models.IntegerField()),
+                ('detail', annoying.fields.JSONField()),
+                ('billing_year', models.IntegerField()),
+                ('billing_month', models.IntegerField()),
+                ('amount_total', models.DecimalField(decimal_places=2, max_digits=6)),
+            ],
+        ),
+    ]

django/santropolFeast/billing/migrations/0003_auto_20160810_1957.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.8 on 2016-08-10 19:57
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('billing', '0002_billingcycle'),
+    ]
+
+    operations = [
+        migrations.RenameModel(
+            old_name='BillingCycle',
+            new_name='BillingSummary',
+        ),
+    ]

django/santropolFeast/billing/models.py

@@ -1,3 +1,77 @@
 from django.db import models
+from member.models import Client
+from order.models import Order
+from annoying.fields import JSONField
+from django.utils.translation import ugettext_lazy as _
+
 
 # Create your models here.
+
+class OrderBilling(models.Model):
+    order_id = models.ForeignKey(
+        "order.Order",
+        related_name='client_order'
+        )
+    billing_id = models.ForeignKey(
+        "billing.Billing",
+        related_name='client_billing'
+        )
+
+
+class BillingManager(models.Manager):
+
+    def get_all_billing_client(self, client):
+        pass
+
+
+class Billing(models.Model):
+    client = models.ForeignKey(
+        "member.Client",
+        )
+
+    total_amount = models.DecimalField(
+        verbose_name=_('total_amount'),
+        max_digits=6,
+        decimal_places=2
+        )
+
+    # Month start with january is 1
+    billing_month = models.IntegerField()
+
+    billing_year = models.IntegerField()
+
+    generation_date = models.DateTimeField(
+        verbose_name=None, auto_now=True
+        )
+
+    detail = JSONField()
+
+
+class BillingSummary(models.Model):
+
+    total_order = models.IntegerField()
+    detail = JSONField()
+    billing_year = models.IntegerField()
+    billing_month = models.IntegerField()
+    amount_total = models.DecimalField(
+        max_digits=6,
+        decimal_places=2,
+    )
+
+
+# get the total amount from a list of orders
+def calculate_amount_total(orders):
+
+    total = 0
+
+    for order in orders:
+
+        total += order.price
+
+    return total
+
+
+# get the order detail from a list of orders
+def get_order_detail(self, orders):
+
+    detail = {"meal_regular": 0, "meal_large": 0}

django/santropolFeast/billing/templating/base_billing.html

@@ -0,0 +1,2 @@
+{% extends "base.html" %}
+{% load i18n %}

django/santropolFeast/billing/templating/create.html

@@ -0,0 +1,5 @@
+{% extends "base_billing" %}
+{% load i18n %}
+{% load static %}
+
+{% block title %}{% trans'Billing' %}{% endblock %}

django/santropolFeast/billing/templating/list.html

@@ -0,0 +1,5 @@
+{% extends "base_billing" %}
+{% load i18n %}
+{% load static %}
+
+{% block title %}{% trans'Billing' %}{% endblock %}

django/santropolFeast/billing/templating/view.html

@@ -0,0 +1,8 @@
+{% extends "base_billing" %}
+{% load i18n %}
+{% load static %}
+
+{% block title %}{% trans'Billing' %}{% endblock %}
+{% block content %}
+
+{% endblock %}

django/santropolFeast/billing/tests.py

@@ -1,3 +1,42 @@
 from django.test import TestCase
+from order.factories import OrderFactory, OrderItemFactory
+from billing.models import Billing, calculate_amount_total
+import datetime
+from member.factories import ClientFactory, RouteFactory
+from order.models import Order
 
-# Create your tests here.
+
+class TestBilling(TestCase):
+
+    @classmethod
+    def setUpTestData(cls):
+        RouteFactory.create_batch(10)
+
+    def testTotalAmount(self):
+        order = OrderFactory(delivery_date=datetime.datetime.today())
+        orders = []
+        orders.append(order)
+
+        total_amount = calculate_amount_total(orders)
+
+        self.assertEqual(total_amount, order.price)
+
+    def testOrderDetail(self):
+        pass
+
+    def testGetOrderForMonth(self):
+
+        order = OrderFactory(
+            delivery_date=datetime.datetime.today(), status="D"
+            )
+        month = datetime.datetime.now().strftime("%m")
+        print(month)
+        year = datetime.datetime.now().strftime("%y")
+        print(year)
+        orders = Order.objects.get_orders_for_month(month, year)
+
+        self.assertEqual(order, orders.first())
+
+
+    def testGetOrderForMonthClient(self):
+        pass

django/santropolFeast/billing/urls.py

@@ -0,0 +1,10 @@
+from django.conf.urls import url
+from billing.views import BillingList, BillingCreate, delete_billing
+from django.utils.translation import ugettext_lazy as _
+
+urlpatterns = [
+    url(r'^list/', BillingList.as_view(), name="list"),
+    url(r'^create', BillingCreate.as_view(), name="create"),
+    url(r'^view/(?<pk>\d+)/$', BillingView.as_view(), name="view"),
+    url(r'^delete/(?<pk>\d+)/$', BillingDelete.as_view(), name='delete'),
+]

django/santropolFeast/billing/views.py

@@ -1,3 +1,88 @@
 from django.shortcuts import render
+from django.views import generic
+from billing.models import Billing, OrderBilling, calculate_amount_total
+from django.shortcuts import login_required
+from order.models import get_orders_for_month_client
 
-# Create your views here.
+
+class BillingList(generic.ListView):
+    # Display the billing list
+    model = Billing
+    template_name = "list.html"
+    context_object_name = "billing"
+
+    @method_decorator(login_required)
+    def dispatch(self, *args, **kwargs):
+        return super(BillingList, self).dispatch(*args, **kwargs)
+
+    def get_context_data(self, **kwargs):
+        context = super(BillingList, self).get_context_data(**kwargs)
+
+        # Context variable
+        context['myVariableOfContext'] = 0
+
+        return context
+
+
+class BillingCreate(generic.CreateView):
+    # View to create the billing
+
+    model = Billing
+    template_name = "create.html"
+    context_object_name = "billing"
+
+    @method_decorator(login_required)
+    def dispatch(self, *args, **kwargs):
+        return super(BillingCreate, self).dispatch(*args, **kwargs)
+
+    def get_context_data(self, **kwargs):
+        context = super(BillingCreate, self).get_context_data(**kwargs)
+
+        # Context variable
+        context['myVariableOfContext'] = 0
+
+        return context
+
+    def create_bill(client, year, month):
+
+        orders = get_orders_for_month_client(month, year, client)
+
+        billing = Billing.objects.create(
+            client=client,
+            total_amount=calculate_amount_total(orders),
+            billing_month=month,
+            billing_year=year,
+            generation_date=datetime.now(),
+            detail=get_order_detail(orders),
+        )
+
+        for order in orders:
+            OrderBilling.objects.create(
+                order_id=order.id,
+                billing_id=billing.id
+            )
+
+        return billing
+
+
+class BillingView(generic.DetailView):
+    # Display detail of billing
+    model = Billing
+    template_name = "view.html"
+    context_object_name = "billing"
+
+    @method_decorator(login_required)
+    def dispatch(self, *args, **kwargs):
+        return super(BillingView, self).dispatch(*args, **kwargs)
+
+    def get_context_data(self, **kwargs):
+        context = super(BillingView, self).get_context_data(**kwargs)
+
+        # Context variable
+        context['myVariableOfContext'] = 0
+
+        return context
+
+
+class BillingDelete(generic.DeleteView):
+    pass

django/santropolFeast/order/models.py

@@ -71,6 +71,23 @@ def get_orders_for_date(self, delivery_date=None):
             delivery_date=delivery_date,
         )
 
+    def get_orders_for_month(self, month, year):
+        """ Return the orders for the given month """
+        return self.filter(
+            delivery_date__year=year,
+            delivery_date__month=month,
+        )
+
+    def get_orders_for_month_client(self, month, year, client):
+        """Return the orders for the given month and client"""
+
+        return self.get_queryset().filter(
+            delivery_date__year=year,
+            delivery_date__month=month,
+            client=client,
+            status="D",
+        )
+
 
 class Order(models.Model):