180 lines
6.9 KiB
Python
180 lines
6.9 KiB
Python
import zipfile
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from io import StringIO
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from django.contrib import messages
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from django.contrib.admin import helpers
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from django.core.exceptions import ValidationError
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from django.core.urlresolvers import reverse
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from django.db import transaction
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from django.http import HttpResponse
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from django.shortcuts import render
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from django.utils.safestring import mark_safe
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from django.utils.translation import ungettext, ugettext_lazy as _
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from orchestra.admin.forms import adminmodelformset_factory
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from orchestra.admin.utils import get_object_from_url, change_url
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from orchestra.utils.html import html_to_pdf
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from .forms import SelectSourceForm
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from .helpers import validate_contact
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def download_bills(modeladmin, request, queryset):
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if queryset.count() > 1:
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stringio = StringIO()
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archive = zipfile.ZipFile(stringio, 'w')
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for bill in queryset:
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pdf = html_to_pdf(bill.html or bill.render())
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archive.writestr('%s.pdf' % bill.number, pdf)
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archive.close()
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response = HttpResponse(stringio.getvalue(), content_type='application/pdf')
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response['Content-Disposition'] = 'attachment; filename="orchestra-bills.zip"'
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return response
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bill = queryset.get()
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pdf = html_to_pdf(bill.html or bill.render())
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return HttpResponse(pdf, content_type='application/pdf')
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download_bills.verbose_name = _("Download")
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download_bills.url_name = 'download'
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def view_bill(modeladmin, request, queryset):
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bill = queryset.get()
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if not validate_contact(request, bill):
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return
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html = bill.html or bill.render()
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return HttpResponse(html)
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view_bill.verbose_name = _("View")
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view_bill.url_name = 'view'
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@transaction.atomic
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def close_bills(modeladmin, request, queryset):
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queryset = queryset.filter(is_open=True)
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if not queryset:
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messages.warning(request, _("Selected bills should be in open state"))
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return
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for bill in queryset:
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if not validate_contact(request, bill):
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return
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SelectSourceFormSet = adminmodelformset_factory(modeladmin, SelectSourceForm, extra=0)
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formset = SelectSourceFormSet(queryset=queryset)
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if request.POST.get('post') == 'generic_confirmation':
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formset = SelectSourceFormSet(request.POST, request.FILES, queryset=queryset)
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if formset.is_valid():
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transactions = []
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for form in formset.forms:
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source = form.cleaned_data['source']
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transaction = form.instance.close(payment=source)
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if transaction:
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transactions.append(transaction)
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for bill in queryset:
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modeladmin.log_change(request, bill, 'Closed')
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messages.success(request, _("Selected bills have been closed"))
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if transactions:
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num = len(transactions)
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if num == 1:
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url = change_url(transactions[0])
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else:
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url = reverse('admin:transactions_transaction_changelist')
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url += 'id__in=%s' % ','.join([str(t.id) for t in transactions])
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message = ungettext(
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_('<a href="%s">One related transaction</a> has been created') % url,
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_('<a href="%s">%i related transactions</a> have been created') % (url, num),
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num)
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messages.success(request, mark_safe(message))
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return
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opts = modeladmin.model._meta
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context = {
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'title': _("Are you sure about closing the following bills?"),
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'content_message': _("Once a bill is closed it can not be further modified.</p>"
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"<p>Please select a payment source for the selected bills"),
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'action_name': 'Close bills',
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'action_value': 'close_bills',
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'display_objects': [],
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'queryset': queryset,
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'opts': opts,
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'app_label': opts.app_label,
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'action_checkbox_name': helpers.ACTION_CHECKBOX_NAME,
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'formset': formset,
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'obj': get_object_from_url(modeladmin, request),
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}
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return render(request, 'admin/orchestra/generic_confirmation.html', context)
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close_bills.verbose_name = _("Close")
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close_bills.url_name = 'close'
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def send_bills(modeladmin, request, queryset):
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for bill in queryset:
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if not validate_contact(request, bill):
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return
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for bill in queryset:
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bill.send()
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modeladmin.log_change(request, bill, 'Sent')
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send_bills.verbose_name = lambda bill: _("Resend" if getattr(bill, 'is_sent', False) else "Send")
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send_bills.url_name = 'send'
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def undo_billing(modeladmin, request, queryset):
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group = {}
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for line in queryset.select_related('order'):
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if line.order_id:
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try:
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group[line.order].append(line)
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except KeyError:
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group[line.order] = [line]
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# TODO force incomplete info
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for order, lines in group.items():
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# Find path from ini to end
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for attr in ['order_id', 'order_billed_on', 'order_billed_until']:
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if not getattr(self, attr):
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raise ValidationError(_("Not enough information stored for undoing"))
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sorted(lines, key=lambda l: l.created_on)
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if 'a' != order.billed_on:
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raise ValidationError(_("Dates don't match"))
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prev = order.billed_on
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for ix in range(0, len(lines)):
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if lines[ix].order_b: # TODO we need to look at the periods here
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pass
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order.billed_until = self.order_billed_until
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order.billed_on = self.order_billed_on
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# TODO son't check for account equality
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def move_lines(modeladmin, request, queryset):
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# Validate
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account = None
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for line in queryset.select_related('bill'):
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bill = line.bill
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if bill.state != bill.OPEN:
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messages.error(request, _("Can not move lines which are not in open state."))
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return
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elif not account:
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account = bill.account
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elif bill.account != account:
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messages.error(request, _("Can not move lines from different accounts"))
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return
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target = request.GET.get('target')
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if not target:
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# select target
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return render(request, 'admin/orchestra/generic_confirmation.html', context)
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target = Bill.objects.get(pk=int(pk))
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if target.account != account:
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messages.error(request, _("Target account different than lines account."))
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return
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if request.POST.get('post') == 'generic_confirmation':
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for line in queryset:
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line.bill = target
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line.save(update_fields=['bill'])
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# TODO bill history update
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messages.success(request, _("Lines moved"))
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# Final confirmation
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return render(request, 'admin/orchestra/generic_confirmation.html', context)
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def copy_lines(modeladmin, request, queryset):
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# same as move, but changing action behaviour
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pass
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def delete_lines(modeladmin, request, queryset):
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pass
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