393 lines
11 KiB
Python
393 lines
11 KiB
Python
import forms
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from django.contrib.auth.decorators import user_passes_test
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from django.core.urlresolvers import reverse
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from django.db import models
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from django.db.models import F, Q
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from django.db.models import Count, Sum
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from django.db.models import Case, When, Value
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from django.shortcuts import render
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from registrasion.controllers.item import ItemController
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from registrasion.models import commerce
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from registrasion.models import people
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from registrasion import views
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from reports import get_all_reports
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from reports import Links
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from reports import ListReport
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from reports import QuerysetReport
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from reports import report_view
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def CURRENCY():
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return models.DecimalField(decimal_places=2)
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@user_passes_test(views._staff_only)
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def reports_list(request):
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''' Lists all of the reports currently available. '''
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reports = []
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for report in get_all_reports():
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reports.append({
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"name": report.__name__,
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"url": reverse(report),
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"description": report.__doc__,
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})
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reports.sort(key=lambda report: report["name"])
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ctx = {
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"reports": reports,
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}
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return render(request, "registrasion/reports_list.html", ctx)
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# Report functions
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@report_view("Reconcilitation")
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def reconciliation(request, form):
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''' Shows the summary of sales, and the full history of payments and
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refunds into the system. '''
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return [
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sales_payment_summary(),
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items_sold(),
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payments(),
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credit_note_refunds(),
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]
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def items_sold():
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''' Summarises the items sold and discounts granted for a given set of
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products, or products from categories. '''
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data = None
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headings = None
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line_items = commerce.LineItem.objects.filter(
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invoice__status=commerce.Invoice.STATUS_PAID,
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).select_related("invoice")
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line_items = line_items.order_by(
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# sqlite requires an order_by for .values() to work
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"-price", "description",
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).values(
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"price", "description",
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).annotate(
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total_quantity=Sum("quantity"),
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)
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print line_items
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headings = ["Description", "Quantity", "Price", "Total"]
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data = []
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total_income = 0
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for line in line_items:
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cost = line["total_quantity"] * line["price"]
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data.append([
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line["description"], line["total_quantity"],
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line["price"], cost,
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])
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total_income += cost
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data.append([
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"(TOTAL)", "--", "--", total_income,
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])
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return ListReport("Items sold", headings, data)
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def sales_payment_summary():
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''' Summarises paid items and payments. '''
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def value_or_zero(aggregate, key):
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return aggregate[key] or 0
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def sum_amount(payment_set):
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a = payment_set.values("amount").aggregate(total=Sum("amount"))
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return value_or_zero(a, "total")
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headings = ["Category", "Total"]
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data = []
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# Summarise all sales made (= income.)
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sales = commerce.LineItem.objects.filter(
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invoice__status=commerce.Invoice.STATUS_PAID,
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).values(
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"price", "quantity"
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).aggregate(
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total=Sum(F("price") * F("quantity"), output_field=CURRENCY()),
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)
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sales = value_or_zero(sales, "total")
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all_payments = sum_amount(commerce.PaymentBase.objects.all())
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# Manual payments
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# Credit notes generated (total)
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# Payments made by credit note
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# Claimed credit notes
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all_credit_notes = 0 - sum_amount(commerce.CreditNote.objects.all())
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unclaimed_credit_notes = 0 - sum_amount(commerce.CreditNote.unclaimed())
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claimed_credit_notes = sum_amount(
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commerce.CreditNoteApplication.objects.all()
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)
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refunded_credit_notes = 0 - sum_amount(commerce.CreditNote.refunded())
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data.append(["Items on paid invoices", sales])
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data.append(["All payments", all_payments])
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data.append(["Sales - Payments ", sales - all_payments])
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data.append(["All credit notes", all_credit_notes])
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data.append(["Credit notes paid on invoices", claimed_credit_notes])
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data.append(["Credit notes refunded", refunded_credit_notes])
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data.append(["Unclaimed credit notes", unclaimed_credit_notes])
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data.append([
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"Credit notes - (claimed credit notes + unclaimed credit notes)",
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all_credit_notes - claimed_credit_notes -
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refunded_credit_notes - unclaimed_credit_notes,
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])
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return ListReport("Sales and Payments Summary", headings, data)
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def payments():
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''' Shows the history of payments into the system '''
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payments = commerce.PaymentBase.objects.all()
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return QuerysetReport(
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"Payments",
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["invoice__id", "id", "reference", "amount"],
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payments,
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link_view=views.invoice,
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)
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def credit_note_refunds():
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''' Shows all of the credit notes that have been generated. '''
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notes_refunded = commerce.CreditNote.refunded()
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return QuerysetReport(
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"Credit note refunds",
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["id", "creditnoterefund__reference", "amount"],
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notes_refunded,
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link_view=views.credit_note,
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)
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@report_view("Product status", form_type=forms.ProductAndCategoryForm)
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def product_status(request, form):
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''' Summarises the inventory status of the given items, grouping by
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invoice status. '''
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products = form.cleaned_data["product"]
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categories = form.cleaned_data["category"]
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items = commerce.ProductItem.objects.filter(
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Q(product__in=products) | Q(product__category__in=categories),
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).select_related("cart", "product")
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items = items.annotate(
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is_reserved=Case(
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When(cart__in=commerce.Cart.reserved_carts(), then=Value(True)),
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default=Value(False),
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output_field=models.BooleanField(),
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),
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)
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items = items.order_by(
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"product__category__order",
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"product__order",
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).values(
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"product",
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"product__category__name",
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"product__name",
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).annotate(
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total_paid=Sum(Case(
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When(
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cart__status=commerce.Cart.STATUS_PAID,
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then=F("quantity"),
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),
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default=Value(0),
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)),
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total_refunded=Sum(Case(
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When(
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cart__status=commerce.Cart.STATUS_RELEASED,
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then=F("quantity"),
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),
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default=Value(0),
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)),
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total_unreserved=Sum(Case(
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When(
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(
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Q(cart__status=commerce.Cart.STATUS_ACTIVE) &
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Q(is_reserved=False)
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),
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then=F("quantity"),
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),
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default=Value(0),
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)),
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total_reserved=Sum(Case(
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When(
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(
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Q(cart__status=commerce.Cart.STATUS_ACTIVE) &
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Q(is_reserved=True)
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),
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then=F("quantity"),
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),
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default=Value(0),
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)),
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)
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headings = [
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"Product", "Paid", "Reserved", "Unreserved", "Refunded",
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]
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data = []
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for item in items:
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data.append([
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"%s - %s" % (
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item["product__category__name"], item["product__name"]
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),
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item["total_paid"],
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item["total_reserved"],
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item["total_unreserved"],
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item["total_refunded"],
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])
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return ListReport("Inventory", headings, data)
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@report_view("Credit notes")
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def credit_notes(request, form):
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''' Shows all of the credit notes in the system. '''
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notes = commerce.CreditNote.objects.all().select_related(
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"creditnoterefund",
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"creditnoteapplication",
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"invoice",
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"invoice__user__attendee__attendeeprofilebase",
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)
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return QuerysetReport(
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"Credit Notes",
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["id", "invoice__user__attendee__attendeeprofilebase__invoice_recipient", "status", "value"], # NOQA
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notes,
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headings=["id", "Owner", "Status", "Value"],
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link_view=views.credit_note,
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)
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@report_view("Attendee", form_type=forms.UserIdForm)
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def attendee(request, form, user_id=None):
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''' Returns a list of all manifested attendees if no attendee is specified,
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else displays the attendee manifest. '''
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if user_id is None and not form.has_changed():
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return attendee_list(request)
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if form.cleaned_data["user"] is not None:
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user_id = form.cleaned_data["user"]
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attendee = people.Attendee.objects.get(user__id=user_id)
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name = attendee.attendeeprofilebase.attendee_name()
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reports = []
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links = []
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links.append((
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reverse(views.amend_registration, args=[user_id]),
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"Amend current cart",
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))
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reports.append(Links("Actions for " + name, links))
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# Paid and pending products
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ic = ItemController(attendee.user)
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reports.append(ListReport(
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"Paid Products",
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["Product", "Quantity"],
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[(pq.product, pq.quantity) for pq in ic.items_purchased()],
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))
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reports.append(ListReport(
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"Unpaid Products",
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["Product", "Quantity"],
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[(pq.product, pq.quantity) for pq in ic.items_pending()],
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))
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# Invoices
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invoices = commerce.Invoice.objects.filter(
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user=attendee.user,
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)
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reports.append(QuerysetReport(
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"Invoices",
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["id", "get_status_display", "value"],
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invoices,
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headings=["Invoice ID", "Status", "Value"],
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link_view=views.invoice,
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))
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# Credit Notes
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credit_notes = commerce.CreditNote.objects.filter(
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invoice__user=attendee.user,
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)
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reports.append(QuerysetReport(
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"Credit Notes",
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["id", "status", "value"],
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credit_notes,
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link_view=views.credit_note,
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))
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# All payments
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payments = commerce.PaymentBase.objects.filter(
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invoice__user=attendee.user,
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)
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reports.append(QuerysetReport(
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"Payments",
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["invoice__id", "id", "reference", "amount"],
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payments,
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link_view=views.invoice,
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))
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return reports
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def attendee_list(request):
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''' Returns a list of all attendees. '''
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attendees = people.Attendee.objects.all().select_related(
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"attendeeprofilebase",
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"user",
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)
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attendees = attendees.annotate(
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has_registered=Count(
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Q(user__invoice__status=commerce.Invoice.STATUS_PAID)
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),
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)
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headings = [
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"User ID", "Name", "Email", "Has registered",
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]
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data = []
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for a in attendees:
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data.append([
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a.user.id,
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a.attendeeprofilebase.attendee_name(),
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a.user.email,
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a.has_registered > 0,
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])
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# Sort by whether they've registered, then ID.
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data.sort(key=lambda a: (-a[3], a[0]))
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class Report(ListReport):
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def get_link(self, argument):
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return reverse(self._link_view) + "?user=%d" % int(argument)
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return Report("Attendees", headings, data, link_view=attendee)
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