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#!/bin/bash

# This script will compile the translation messages of all translatable django applications
# Author: AxiaCore S.A.S. http://axiacore.com

langs="es"
a=`ls -l | grep ^d | awk '{print $9}'`;
curdir=`pwd`
for i in $a
do

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CartSale.objects.annotate(Count('products'),Sum('products__quantity'))

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#Para contar la cantidad de ventas que se han efectuado:
Cartsale.objects.count()

#Para contar el precio promedio del valor de los artículos vendidos:
CartProduct.objects.aggregate(Avg('price'))

#Para obtener la cantidad de productos que se han vendido:
CartProduct.objects.aggregate(Sum('quantity'))

#Para obtener la cantidad de compras registradas a nombre de un mismo correo:

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class CartSale(models.Model):
    first_name = models.CharField(
        max_length=100,
    )
    last_name = models.CharField(
        max_length=100,
    )
    date_sale = models.DateTimeField(
        auto_now_add=True,
    )

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from django.contrib import admin

import autocomplete_light

from models import Address

class AddressAdmin(admin.ModelAdmin):
    form = autocomplete_light.modelform_factory(Address)

admin.site.register(Address, AddressAdmin)

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import autocomplete_light

from cities_light.models import City

autocomplete_light.register(City, search_fields=('search_names',),
    autocomplete_js_attributes={'placeholder': 'city name ..'})

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{% extends "admin/base.html" %}

{% block extrahead %}
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>
    {% include 'autocomplete_light/static.html' %}
{% endblock %}

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import autocomplete_light
autocomplete_light.autodiscover()

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url(r'autocomplete/', include('autocomplete_light.urls')),

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pip install django-autocomplete-light