generated from westfarn/web_django_template
westfarn
9f2d349974
Portal Retail gets a Sales page for paid/fulfilled volume, daily bars, and top products so the storefront can show performance without a third-party analytics tool. Closes #3
397 lines
14 KiB
Python
397 lines
14 KiB
Python
import logging
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from decimal import Decimal, InvalidOperation
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from django.conf import settings
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from django.contrib import messages
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from django.contrib.auth.decorators import login_required
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from django.db import transaction
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from django.db.models import Prefetch
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from django.http import HttpResponse, HttpResponseBadRequest
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from django.shortcuts import get_object_or_404, redirect, render
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from django.urls import reverse
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from django.utils.text import slugify
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from django.views.decorators.csrf import csrf_exempt
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from django.views.decorators.http import require_http_methods, require_POST
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from contacts.models import Contact
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from shop.models import Order, Product, ProductColor, ProductImage
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from shop.services import (
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ShopError,
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add_to_cart,
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adjust_stock,
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append_product_images,
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available_qty,
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cart_lines,
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cart_total,
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create_checkout_session,
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create_order_from_cart,
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mark_paid,
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product_media_payload,
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refresh_listing_image,
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remove_product_images,
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save_cart,
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set_cart_qty,
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store_product_stl,
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sync_product_colors,
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)
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from shop.stats import sales_dashboard
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logger = logging.getLogger(__name__)
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def _delete_replaced_file(previous, current_id, kind):
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if previous and previous.pk != current_id and previous.kind == kind:
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previous.delete()
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def _site_base(request) -> str:
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base = (settings.PUBLIC_SITE_URL or "").rstrip("/")
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if base:
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return base
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return request.build_absolute_uri("/").rstrip("/")
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def _gallery_prefetch():
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def images():
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return ProductImage.objects.select_related("file").order_by(
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"sort_order", "created_at"
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)
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return (
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Prefetch("images", queryset=images()),
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Prefetch(
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"colors",
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queryset=ProductColor.objects.prefetch_related(
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Prefetch("images", queryset=images())
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),
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),
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)
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def product_list(request):
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products = Product.objects.filter(is_published=True).select_related(
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"image"
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).prefetch_related("colors")
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return render(request, "shop/list.html", {"products": products})
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def product_detail(request, slug):
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product = get_object_or_404(
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Product.objects.select_related("image", "stl").prefetch_related(
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*_gallery_prefetch()
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),
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slug=slug,
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is_published=True,
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)
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colors = list(product.colors.all())
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selected = colors[0] if colors else None
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return render(
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request,
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"shop/detail.html",
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{
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"product": product,
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"colors": colors,
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"selected_color": selected,
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"available": available_qty(product, selected),
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"gallery_items": product.gallery_items(selected),
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"gallery_photos": product.photos_for(selected),
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"gallery_data": product_media_payload(product, colors),
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},
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)
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def cart_view(request):
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lines = cart_lines(request.session)
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return render(
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request,
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"shop/cart.html",
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{"lines": lines, "total": cart_total(lines)},
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)
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@require_POST
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def cart_add(request, slug):
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product = get_object_or_404(
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Product.objects.prefetch_related("colors"),
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slug=slug,
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is_published=True,
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)
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try:
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qty = int(request.POST.get("quantity") or "1")
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except ValueError:
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qty = 1
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color = None
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colors = list(product.colors.all())
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if colors:
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color_id = (request.POST.get("color") or "").strip()
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color = next((item for item in colors if str(item.pk) == color_id), None)
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if color is None:
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messages.error(request, "Choose a color.")
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return redirect("shop:detail", slug=product.slug)
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try:
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add_to_cart(request.session, product, qty, color=color)
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except ShopError as exc:
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messages.error(request, str(exc))
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return redirect("shop:detail", slug=product.slug)
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label = f"{product.name} ({color.name})" if color else product.name
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messages.success(request, f"Added {label} to cart.")
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return redirect("shop:cart")
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@require_POST
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def cart_update(request, slug):
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product = get_object_or_404(Product, slug=slug)
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try:
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qty = int(request.POST.get("quantity") or "0")
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except ValueError:
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qty = 0
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color = None
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color_id = (request.POST.get("color") or "").strip()
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if color_id:
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color = get_object_or_404(ProductColor, pk=color_id, product=product)
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set_cart_qty(request.session, product, qty, color=color)
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return redirect("shop:cart")
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@require_http_methods(["GET", "POST"])
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def checkout(request):
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lines = cart_lines(request.session)
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if not lines:
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messages.error(request, "Cart is empty.")
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return redirect("shop:cart")
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if request.method == "POST":
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email = (request.POST.get("email") or "").strip()
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name = (request.POST.get("customer_name") or "").strip()
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address = Contact.make_postal_address(
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line1=request.POST.get("address_line1") or "",
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line2=request.POST.get("address_line2") or "",
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city=request.POST.get("address_city") or "",
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state=request.POST.get("address_state") or "",
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zip_code=request.POST.get("address_zip") or "",
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)
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try:
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order = create_order_from_cart(
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request.session,
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email=email,
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customer_name=name,
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shipping_address=address,
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)
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base = _site_base(request)
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success = base + reverse("shop:checkout_success", kwargs={"pk": order.pk})
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cancel = base + reverse("shop:checkout_cancel", kwargs={"pk": order.pk})
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url = create_checkout_session(
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order,
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success_url=success + "?session_id={CHECKOUT_SESSION_ID}",
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cancel_url=cancel,
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)
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except ShopError as exc:
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messages.error(request, str(exc))
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except Exception as exc: # noqa: BLE001
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logger.exception("shop checkout failed")
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messages.error(request, f"Could not start checkout: {exc}")
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else:
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save_cart(request.session, {})
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return redirect(url)
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return render(
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request,
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"shop/checkout.html",
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{"lines": lines, "total": cart_total(lines)},
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)
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def checkout_success(request, pk):
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order = get_object_or_404(Order, pk=pk)
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return render(request, "shop/success.html", {"order": order})
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def checkout_cancel(request, pk):
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order = get_object_or_404(Order, pk=pk)
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return render(request, "shop/cancel.html", {"order": order})
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@login_required
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def portal_product_list(request):
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products = Product.objects.select_related("image").prefetch_related("colors")
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return render(request, "shop/portal/products.html", {"products": products})
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@login_required
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@require_http_methods(["GET", "POST"])
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def portal_product_edit(request, pk=None):
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product = (
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get_object_or_404(
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Product.objects.select_related("image", "stl").prefetch_related(
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*_gallery_prefetch()
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),
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pk=pk,
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)
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if pk
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else None
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)
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if request.method == "POST":
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name = (request.POST.get("name") or "").strip()
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sku = (request.POST.get("sku") or "").strip()
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description = (request.POST.get("description") or "").strip()
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slug = (request.POST.get("slug") or "").strip()
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fulfillment = request.POST.get("fulfillment") or Product.Fulfillment.STOCKED
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errors = []
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if not name:
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errors.append("Name is required.")
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try:
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price = Decimal(request.POST.get("price") or "")
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if price < 0:
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raise InvalidOperation
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except Exception:
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price = None
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errors.append("Enter a valid price.")
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try:
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stock_qty = int(request.POST.get("stock_qty") or "0")
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except ValueError:
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stock_qty = 0
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errors.append("Stock must be a number.")
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try:
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print_minutes = int(request.POST.get("print_minutes") or "0")
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filament_grams = int(request.POST.get("filament_grams") or "0")
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except ValueError:
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print_minutes = 0
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filament_grams = 0
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stl_upload = request.FILES.get("stl")
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if errors:
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for err in errors:
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messages.error(request, err)
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else:
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try:
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with transaction.atomic():
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stored_stl = None
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if stl_upload:
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stored_stl = store_product_stl(
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upload=stl_upload, user=request.user
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)
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if product is None:
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product = Product()
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previous_stl = product.stl
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product.name = name
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product.sku = sku
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product.description = description
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product.slug = slugify(slug)[:220] if slug else ""
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product.price = price
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product.currency = (settings.STRIPE_CURRENCY or "usd").lower()
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product.fulfillment = fulfillment
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product.stock_qty = stock_qty
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product.print_minutes = max(print_minutes, 0)
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product.filament_grams = max(filament_grams, 0)
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product.is_published = request.POST.get("is_published") == "on"
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product.track_inventory = request.POST.get("track_inventory") == "on"
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if stored_stl is not None:
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product.stl = stored_stl
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elif request.POST.get("clear_stl") == "on":
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product.stl = None
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product.save()
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colors = sync_product_colors(
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product,
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ids=request.POST.getlist("color_id"),
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names=request.POST.getlist("color_name"),
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hexes=request.POST.getlist("color_hex"),
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keys=request.POST.getlist("color_key"),
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stocks=request.POST.getlist("color_stock"),
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)
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remove_product_images(
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product, request.POST.getlist("remove_image")
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)
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append_product_images(
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product,
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uploads=request.FILES.getlist("images"),
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user=request.user,
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)
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for key, color in colors.items():
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uploads = request.FILES.getlist(f"color_images_{key}")
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if not uploads:
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continue
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append_product_images(
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product,
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uploads=uploads,
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user=request.user,
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color=color,
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)
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refresh_listing_image(product)
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_delete_replaced_file(
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previous_stl,
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product.stl_id,
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previous_stl.Kind.PRODUCT_STL if previous_stl else None,
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)
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except ShopError as exc:
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messages.error(request, str(exc))
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else:
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messages.success(request, f"Saved {product.name}.")
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return redirect("shop_portal:product_list")
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return render(request, "shop/portal/product_edit.html", {"product": product})
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@login_required
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@require_POST
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def portal_stock_adjust(request, pk):
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product = get_object_or_404(Product, pk=pk)
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try:
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delta = int(request.POST.get("delta") or "0")
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except ValueError:
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messages.error(request, "Enter a whole-number adjustment.")
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return redirect("shop_portal:product_edit", pk=product.pk)
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try:
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adjust_stock(product, delta)
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except ShopError as exc:
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messages.error(request, str(exc))
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else:
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messages.success(request, f"{product.sku} stock is now {product.stock_qty}.")
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return redirect("shop_portal:product_edit", pk=product.pk)
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@login_required
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def portal_sales(request):
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return render(request, "shop/portal/sales.html", sales_dashboard())
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@login_required
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def portal_order_list(request):
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orders = Order.objects.all()[:200]
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return render(request, "shop/portal/orders.html", {"orders": orders})
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@login_required
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def portal_order_detail(request, pk):
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order = get_object_or_404(Order.objects.prefetch_related("items"), pk=pk)
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return render(request, "shop/portal/order_detail.html", {"order": order})
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@csrf_exempt
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@require_http_methods(["POST"])
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def stripe_webhook(request):
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secret = (settings.STRIPE_WEBHOOK_SECRET or "").strip()
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if not secret:
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logger.error("STRIPE_WEBHOOK_SECRET unset")
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return HttpResponseBadRequest("webhook not configured")
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try:
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import stripe
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except ImportError:
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return HttpResponseBadRequest("stripe not installed")
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sig = request.headers.get("Stripe-Signature", "")
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try:
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event = stripe.Webhook.construct_event(request.body, sig, secret)
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except Exception:
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logger.exception("shop stripe webhook signature failed")
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return HttpResponseBadRequest("invalid signature")
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obj = event.get("data", {}).get("object", {}) or {}
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if event.get("type") != "checkout.session.completed":
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return HttpResponse("ok")
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order_id = (obj.get("metadata") or {}).get("shop_order_id") or ""
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order = None
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if order_id:
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order = Order.objects.filter(pk=order_id).first()
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if order is None:
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session_id = obj.get("id") or ""
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order = Order.objects.filter(stripe_checkout_session_id=session_id).first()
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if order and order.status != Order.Status.PAID:
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mark_paid(order, stripe_id=obj.get("id") or "")
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logger.info("shop order %s marked paid", order.number)
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return HttpResponse("ok")
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