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Makes the inventory report even clearer.

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This commit is contained in:
Christopher Neugebauer 2016-08-26 15:53:33 +10:00
parent 32b887fed3
commit 66226663d5
1 changed files with 49 additions and 23 deletions
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72
registrasion/staff_views.py
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@ -1,7 +1,7 @@
import forms
from django.db import models
from django.db.models import Q
from django.db.models import F, Q
from django.db.models import Sum
from django.db.models import Case, When, Value
from django.shortcuts import render
@ -141,46 +141,72 @@ def inventory(request, form):
Q(product__in=products) | Q(product__category__in=categories),
).select_related("cart", "product")
# TODO annotate with whether the item is reserved or not.
items = items.annotate(is_reserved=Case(
When(cart__in=commerce.Cart.reserved_carts(), then=Value(1)),
default=Value(0),
output_field=models.BooleanField(),
))
items = items.annotate(
is_reserved=Case(
When(cart__in=commerce.Cart.reserved_carts(), then=Value(1)),
default=Value(0),
output_field=models.BooleanField(),
),
)
items = items.order_by(
"cart__status",
"product__category__order",
"product__order",
).values(
"product",
"product__category__name",
"product__name",
"cart__status",
"is_reserved",
).annotate(
total_quantity=Sum("quantity"),
total_paid=Sum(Case(
When(
cart__status=commerce.Cart.STATUS_PAID,
then=F("quantity"),
),
default=Value(0),
)),
total_refunded=Sum(Case(
When(
cart__status=commerce.Cart.STATUS_RELEASED,
then=F("quantity"),
),
default=Value(0),
)),
total_unreserved=Sum(Case(
When(
(
Q(cart__status=commerce.Cart.STATUS_ACTIVE) &
Q(is_reserved=False)
),
then=F("quantity"),
),
default=Value(0),
)),
total_reserved=Sum(Case(
When(
(
Q(cart__status=commerce.Cart.STATUS_ACTIVE) &
Q(is_reserved=True)
),
then=F("quantity"),
),
default=Value(0),
)),
)
headings = ["Product", "Status", "Quantity"]
headings = [
"Product", "Paid", "Reserved", "Unreserved", "Refunded",
]
data = []
def status(reserved, status):
r = "Reserved" if reserved else "Unreserved"
# This is a bit weird -- can we simplify?
s = "".join(
"%s" % i[1] for i in commerce.Cart.STATUS_TYPES if i[0]==status
)
return "%s - %s" % (r, s)
for item in items:
data.append([
"%s - %s" % (
item["product__category__name"], item["product__name"]
),
status(item["is_reserved"], item["cart__status"]),
item["total_quantity"],
item["total_paid"],
item["total_reserved"],
item["total_unreserved"],
item["total_refunded"],
])
return Report("Inventory", headings, data)