97 lines
2.8 KiB
Python
97 lines
2.8 KiB
Python
from django.shortcuts import render
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from django.http import HttpResponse, HttpResponseRedirect, JsonResponse
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from django.template import loader
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from .models import Sale, Product, ProductCategory
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from .forms import ImportProductsForm, PurchaseForm, LineaFormSet
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import csv
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import io
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def index(request):
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return render(request, 'don_confiao/index.html')
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def buy(request):
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context = {}
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if request.POST:
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raise Exception(request.POST)
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return render(
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request, 'don_confiao/purchase.html', context)
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def django_buy(request):
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if request.method == "POST":
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raise Exception(request.POST)
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else:
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sale_form = PurchaseForm()
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sale_linea_form = LineaFormSet()
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return render(
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request,
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'don_confiao/django_purchase.html',
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{
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'sale_form': sale_form,
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'linea_formset': sale_linea_form
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}
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)
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def purchases(request):
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purchases = Sale.objects.all()
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context = {
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"purchases": purchases,
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}
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return render(request, 'don_confiao/purchases.html', context)
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def products(request):
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rproducts = []
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products = Product.objects.all()
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for product in products:
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rproduct = {
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"name": product.name,
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"price_list": product.price,
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"uom": product.measuring_unit,
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"categories": [c.name for c in product.categories.all()]
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}
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rproducts.append(rproduct)
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return JsonResponse(rproducts, safe=False)
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def import_products(request):
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if request.method == "POST":
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form = ImportProductsForm(request.POST, request.FILES)
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if form.is_valid():
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handle_import_products_file(request.FILES["csv_file"])
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return HttpResponseRedirect("productos")
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else:
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form = ImportProductsForm()
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return render(
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request,
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"don_confiao/import_products.html",
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{'form': form}
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)
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def _categories_from_csv_string(categories_string, separator="&"):
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categories = categories_string.split(separator)
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clean_categories = [c.strip() for c in categories]
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return [_category_from_name(category) for category in clean_categories]
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def _category_from_name(name):
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return ProductCategory.objects.get_or_create(name=name)[0]
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def handle_import_products_file(csv_file):
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data = io.StringIO(csv_file.read().decode('utf-8'))
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reader = csv.DictReader(data, quotechar='"')
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for row in reader:
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product, created = Product.objects.update_or_create(
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name=row['producto'],
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defaults={
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'price': row['precio'],
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'measuring_unit': row['unidad']
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}
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)
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categories = _categories_from_csv_string(row["categorias"])
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product.categories.clear()
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for category in categories:
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product.categories.add(category)
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