Files
print_forge/site/shop/views.py
T
westfarn 9f2d349974 Add a shop sales dashboard with 30-day charts.
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
2026-09-06 10:34:45 -05:00

397 lines
14 KiB
Python

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