37 lines
1.4 KiB
Python
37 lines
1.4 KiB
Python
from django.contrib import messages
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from django.utils.translation import ngettext, gettext_lazy as _
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from .models import Transaction
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def pre_delete_processes(modeladmin, request, queryset):
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if not queryset:
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messages.warning(request,
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_("No transaction process selected."))
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return
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if queryset.exclude(transactions__state=Transaction.WAITTING_EXECUTION).exists():
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messages.error(request,
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_("Done nothing. Not all related transactions in waitting execution."))
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return
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# Store before deleting
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related_transactions = []
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for process in queryset:
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waitting_execution = process.transactions.filter(state=Transaction.WAITTING_EXECUTION)
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related_transactions.extend(waitting_execution)
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return related_transactions
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def post_delete_processes(modeladmin, request, related_transactions):
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# Confirmation
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num = 0
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for transaction in related_transactions:
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transaction.state = Transaction.WAITTING_PROCESSING
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transaction.save(update_fields=('state', 'modified_at'))
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num += 1
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modeladmin.log_change(request, transaction, _("Unprocessed"))
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messages.success(request, ngettext(
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"One related transaction has been marked as <i>waitting for processing</i>",
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"%i related transactions have been marked as <i>waitting for processing</i>." % num,
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num
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))
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