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Merge branch 'clubs' into 'master' 

Improve Sellings view for clubs

See merge request ae/Sith!262
This commit is contained in:
Antoine Bartuccio 2019-11-29 16:32:18 +01:00
parent ad8bcc7282 4a78157f9a
commit 40832bb3bf
4 changed files with 143 additions and 62 deletions
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18
club/forms.py
View File

@ -157,7 +157,7 @@ class MailingForm(forms.Form):
return cleaned_data
class SellingsFormBase(forms.Form):
class SellingsForm(forms.Form):
begin_date = forms.DateTimeField(
input_formats=["%Y-%m-%d %H:%M:%S"],
label=_("Begin date"),
@ -170,10 +170,24 @@ class SellingsFormBase(forms.Form):
required=False,
widget=SelectDateTime,
)
counter = forms.ModelChoiceField(
counters = forms.ModelMultipleChoiceField(
Counter.objects.order_by("name").all(), label=_("Counter"), required=False
)
def __init__(self, club, *args, **kwargs):
super(SellingsForm, self).__init__(*args, **kwargs)
self.fields["products"] = forms.ModelMultipleChoiceField(
club.products.order_by("name").filter(archived=False).all(),
label=_("Products"),
required=False,
)
self.fields["archived_products"] = forms.ModelMultipleChoiceField(
club.products.order_by("name").filter(archived=True).all(),
label=_("Archived products"),
required=False,
)
class ClubMemberForm(forms.Form):
"""

14
club/templates/club/club_sellings.jinja
View File

@ -1,9 +1,9 @@
{% extends "core/base.jinja" %}
{% from 'core/macros.jinja' import user_profile_link %}
{% from 'core/macros.jinja' import user_profile_link, paginate %}
{% block content %}
<h3>{% trans %}Sellings{% endtrans %}</h3>
<form action="" method="get">
<form id="form" action="?page=1" method="post">
{% csrf_token %}
{{ form }}
<p><input type="submit" value="{% trans %}Show{% endtrans %}" /></p>
@ -28,7 +28,7 @@
</tr>
</thead>
<tbody>
{% for s in result %}
{% for s in paginated_result %}
<tr>
<td>{{ s.date|localtime|date(DATETIME_FORMAT) }} {{ s.date|localtime|time(DATETIME_FORMAT) }}</td>
<td>{{ s.counter }}</td>
@ -53,6 +53,14 @@
{% endfor %}
</tbody>
</table>
<script type="text/javascript">
function formPagination(link){
$("form").attr("action", link.href);
link.href = "javascript:void(0)"; // block link action
$("form").submit();
}
</script>
{{ paginate(paginated_result, paginator, "formPagination(this)") }}
{% endblock %}

164
club/views.py
View File

@ -23,6 +23,7 @@
#
#
import csv
from django.conf import settings
from django import forms
@ -30,13 +31,21 @@ from django.views.generic import ListView, DetailView, TemplateView, View
from django.views.generic.edit import DeleteView
from django.views.generic.detail import SingleObjectMixin
from django.views.generic.edit import UpdateView, CreateView
from django.http import HttpResponseRedirect, HttpResponse, Http404
from django.http import (
HttpResponseRedirect,
HttpResponse,
Http404,
StreamingHttpResponse,
)
from django.urls import reverse, reverse_lazy
from django.utils import timezone
from django.utils.translation import ugettext_lazy as _
from django.utils.translation import ugettext as _t
from django.core.exceptions import PermissionDenied, ValidationError, NON_FIELD_ERRORS
from django.core.paginator import Paginator, InvalidPage
from django.shortcuts import get_object_or_404, redirect
from django.db.models import Sum
from core.views import (
CanCreateMixin,
@ -60,7 +69,7 @@ from com.views import (
)
from club.models import Club, Membership, Mailing, MailingSubscription
from club.forms import MailingForm, ClubEditForm, ClubMemberForm, SellingsFormBase
from club.forms import MailingForm, ClubEditForm, ClubMemberForm, SellingsForm
class ClubTabsMixin(TabedViewMixin):
@ -319,7 +328,7 @@ class ClubOldMembersView(ClubTabsMixin, CanViewMixin, DetailView):
current_tab = "elderlies"
class ClubSellingView(ClubTabsMixin, CanEditMixin, DetailView):
class ClubSellingView(ClubTabsMixin, CanEditMixin, DetailFormView):
"""
Sellings of a club
"""
@ -328,21 +337,35 @@ class ClubSellingView(ClubTabsMixin, CanEditMixin, DetailView):
pk_url_kwarg = "club_id"
template_name = "club/club_sellings.jinja"
current_tab = "sellings"
form_class = SellingsForm
paginate_by = 70
def get_form_class(self):
kwargs = {
"product": forms.ModelChoiceField(
self.object.products.order_by("name").all(),
label=_("Product"),
required=False,
)
}
return type("SellingsForm", (SellingsFormBase,), kwargs)
def dispatch(self, request, *args, **kwargs):
try:
self.asked_page = int(request.GET.get("page", 1))
except ValueError:
raise Http404
return super(ClubSellingView, self).dispatch(request, *args, **kwargs)
def get_form_kwargs(self):
kwargs = super(ClubSellingView, self).get_form_kwargs()
kwargs["club"] = self.object
return kwargs
def post(self, request, *args, **kwargs):
return self.get(request, *args, **kwargs)
def get_context_data(self, **kwargs):
kwargs = super(ClubSellingView, self).get_context_data(**kwargs)
form = self.get_form_class()(self.request.GET)
qs = Selling.objects.filter(club=self.object)
kwargs["result"] = qs[:0]
kwargs["paginated_result"] = kwargs["result"]
kwargs["total"] = 0
kwargs["total_quantity"] = 0
kwargs["benefit"] = 0
form = self.get_form()
if form.is_valid():
if not len([v for v in form.cleaned_data.values() if v is not None]):
qs = Selling.objects.filter(id=-1)
@ -350,19 +373,36 @@ class ClubSellingView(ClubTabsMixin, CanEditMixin, DetailView):
qs = qs.filter(date__gte=form.cleaned_data["begin_date"])
if form.cleaned_data["end_date"]:
qs = qs.filter(date__lte=form.cleaned_data["end_date"])
if form.cleaned_data["counter"]:
qs = qs.filter(counter=form.cleaned_data["counter"])
if form.cleaned_data["product"]:
qs = qs.filter(product__id=form.cleaned_data["product"].id)
if form.cleaned_data["counters"]:
qs = qs.filter(counter__in=form.cleaned_data["counters"])
selected_products = []
if form.cleaned_data["products"]:
selected_products.extend(form.cleaned_data["products"])
if form.cleaned_data["archived_products"]:
selected_products.extend(form.cleaned_data["archived_products"])
if len(selected_products) > 0:
qs = qs.filter(product__in=selected_products)
kwargs["result"] = qs.all().order_by("-id")
kwargs["total"] = sum([s.quantity * s.unit_price for s in qs.all()])
kwargs["total_quantity"] = sum([s.quantity for s in qs.all()])
kwargs["benefit"] = kwargs["total"] - sum(
[s.product.purchase_price for s in qs.exclude(product=None)]
kwargs["total"] = sum([s.quantity * s.unit_price for s in kwargs["result"]])
total_quantity = qs.all().aggregate(Sum("quantity"))
if total_quantity["quantity__sum"]:
kwargs["total_quantity"] = total_quantity["quantity__sum"]
benefit = (
qs.exclude(product=None).all().aggregate(Sum("product__purchase_price"))
)
else:
kwargs["result"] = qs[:0]
kwargs["form"] = form
if benefit["product__purchase_price__sum"]:
kwargs["benefit"] = benefit["product__purchase_price__sum"]
kwargs["paginator"] = Paginator(kwargs["result"], self.paginate_by)
try:
kwargs["paginated_result"] = kwargs["paginator"].page(self.asked_page)
except InvalidPage:
raise Http404
return kwargs
@ -371,16 +411,46 @@ class ClubSellingCSVView(ClubSellingView):
Generate sellings in csv for a given period
"""
def get(self, request, *args, **kwargs):
import csv
class StreamWriter:
"""Implements a file-like interface for streaming the CSV"""
def write(self, value):
"""Write the value by returning it, instead of storing in a buffer."""
return value
def write_selling(self, selling):
row = [selling.date, selling.counter]
if selling.seller:
row.append(selling.seller.get_display_name())
else:
row.append("")
if selling.customer:
row.append(selling.customer.user.get_display_name())
else:
row.append("")
row = row + [
selling.label,
selling.quantity,
selling.quantity * selling.unit_price,
selling.get_payment_method_display(),
]
if selling.product:
row.append(selling.product.selling_price)
row.append(selling.product.purchase_price)
row.append(selling.product.selling_price - selling.product.purchase_price)
else:
row = row + ["", "", ""]
return row
def get(self, request, *args, **kwargs):
response = HttpResponse(content_type="text/csv")
self.object = self.get_object()
name = _("Sellings") + "_" + self.object.name + ".csv"
response["Content-Disposition"] = "filename=" + name
kwargs = self.get_context_data(**kwargs)
# Use the StreamWriter class instead of request for streaming
pseudo_buffer = self.StreamWriter()
writer = csv.writer(
response, delimiter=";", lineterminator="\n", quoting=csv.QUOTE_ALL
pseudo_buffer, delimiter=";", lineterminator="\n", quoting=csv.QUOTE_ALL
)
writer.writerow([_t("Quantity"), kwargs["total_quantity"]])
@ -401,29 +471,17 @@ class ClubSellingCSVView(ClubSellingView):
_t("Benefit"),
]
)
for o in kwargs["result"]:
row = [o.date, o.counter]
if o.seller:
row.append(o.seller.get_display_name())
else:
row.append("")
if o.customer:
row.append(o.customer.user.get_display_name())
else:
row.append("")
row = row + [
o.label,
o.quantity,
o.quantity * o.unit_price,
o.get_payment_method_display(),
]
if o.product:
row.append(o.product.selling_price)
row.append(o.product.purchase_price)
row.append(o.product.selling_price - o.product.purchase_price)
else:
row = row + ["", "", ""]
writer.writerow(row)
# Stream response
response = StreamingHttpResponse(
(
writer.writerow(self.write_selling(selling))
for selling in kwargs["result"]
),
content_type="text/csv",
)
name = _("Sellings") + "_" + self.object.name + ".csv"
response["Content-Disposition"] = "filename=" + name
return response

9
core/templates/core/macros.jinja
View File

@ -113,10 +113,11 @@
{% endif %}
{% endmacro %}
{% macro paginate(page_obj, paginator) %}
{% macro paginate(page_obj, paginator, js_action) %}
{% set js = js_action|default('') %}
{% if page_obj.has_previous() or page_obj.has_next() %}
{% if page_obj.has_previous() %}
<a href="?page={{ page_obj.previous_page_number() }}">{% trans %}Previous{% endtrans %}</a>
<a {% if js %} type="submit" onclick="{{ js }}" {% endif %} href="?page={{ page_obj.previous_page_number() }}">{% trans %}Previous{% endtrans %}</a>
{% else %}
<span class="disabled">{% trans %}Previous{% endtrans %}</span>
{% endif %}
@ -124,11 +125,11 @@
{% if page_obj.number == i %}
<span class="active">{{ i }} <span class="sr-only">({% trans %}current{% endtrans %})</span></span>
{% else %}
<a href="?page={{ i }}">{{ i }}</a>
<a {% if js %} type="submit" onclick="{{ js }}" {% endif %} href="?page={{ i }}">{{ i }}</a>
{% endif %}
{% endfor %}
{% if page_obj.has_next() %}
<a href="?page={{ page_obj.next_page_number() }}">{% trans %}Next{% endtrans %}</a>
<a {% if js %} type="submit" onclick="{{ js }}" {% endif %} href="?page={{ page_obj.next_page_number() }}">{% trans %}Next{% endtrans %}</a>
{% else %}
<span class="disabled">{% trans %}Next{% endtrans %}</span>
{% endif %}