2020-03-21 15:49:18 +00:00
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# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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2020-03-22 14:24:54 +00:00
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import datetime
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2020-03-21 15:49:18 +00:00
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from crispy_forms.helper import FormHelper
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2020-03-22 17:27:22 +00:00
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from crispy_forms.layout import Submit
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from django import forms
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2020-03-22 17:27:22 +00:00
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from django.utils.translation import gettext_lazy as _
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from note_kfet.inputs import DatePickerInput, AmountInput
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from permission.backends import PermissionBackend
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2020-03-23 22:42:37 +00:00
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from .models import Invoice, Product, Remittance, SpecialTransactionProxy
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2020-03-22 00:22:27 +00:00
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class InvoiceForm(forms.ModelForm):
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"""
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Create and generate invoices.
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"""
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# Django forms don't support date fields. We have to add it manually
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date = forms.DateField(
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initial=datetime.date.today,
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widget=DatePickerInput()
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)
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def clean_date(self):
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self.instance.date = self.data.get("date")
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class Meta:
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model = Invoice
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exclude = ('bde', )
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class ProductForm(forms.ModelForm):
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class Meta:
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model = Product
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fields = '__all__'
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widgets = {
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"amount": AmountInput()
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}
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# Add a subform per product in the invoice form, and manage correctly the link between the invoice and
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# its products. The FormSet will search automatically the ForeignKey in the Product model.
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ProductFormSet = forms.inlineformset_factory(
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Invoice,
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Product,
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form=ProductForm,
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extra=1,
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)
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2020-03-21 16:29:39 +00:00
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class ProductFormSetHelper(FormHelper):
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"""
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Specify some template informations for the product form.
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"""
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def __init__(self, form=None):
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super().__init__(form)
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self.form_tag = False
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self.form_method = 'POST'
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self.form_class = 'form-inline'
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self.template = 'bootstrap4/table_inline_formset.html'
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class RemittanceForm(forms.ModelForm):
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"""
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Create remittances.
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"""
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.helper = FormHelper()
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# We can't update the type of the remittance once created.
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if self.instance.pk:
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self.fields["remittance_type"].disabled = True
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self.fields["remittance_type"].required = False
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# We display the submit button iff the remittance is open,
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# the close button iff it is open and has a linked transaction
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if not self.instance.closed:
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self.helper.add_input(Submit('submit', _("Submit"), attr={'class': 'btn btn-block btn-primary'}))
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if self.instance.transactions:
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self.helper.add_input(Submit("close", _("Close"), css_class='btn btn-success'))
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else:
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# If the remittance is closed, we can't change anything
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self.fields["comment"].disabled = True
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self.fields["comment"].required = False
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def clean(self):
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# We can't update anything if the remittance is already closed.
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if self.instance.closed:
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self.add_error("comment", _("Remittance is already closed."))
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cleaned_data = super().clean()
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if self.instance.pk and cleaned_data.get("remittance_type") != self.instance.remittance_type:
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self.add_error("remittance_type", _("You can't change the type of the remittance."))
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# The close button is manually handled
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if "close" in self.data:
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self.instance.closed = True
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self.cleaned_data["closed"] = True
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return cleaned_data
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class Meta:
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model = Remittance
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fields = ('remittance_type', 'comment',)
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class LinkTransactionToRemittanceForm(forms.ModelForm):
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"""
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Attach a special transaction to a remittance.
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"""
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# Since we use a proxy model for special transactions, we add manually the fields related to the transaction
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last_name = forms.CharField(label=_("Last name"))
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first_name = forms.Field(label=_("First name"))
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bank = forms.Field(label=_("Bank"))
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amount = forms.IntegerField(label=_("Amount"), min_value=0)
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.helper = FormHelper()
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# Add submit button
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self.helper.add_input(Submit('submit', _("Submit"), attr={'class': 'btn btn-block btn-primary'}))
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self.fields["remittance"].queryset = Remittance.objects.filter(closed=False)\
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.filter(PermissionBackend.filter_queryset(self.request.user, Remittance, "view"))
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def clean_last_name(self):
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"""
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Replace the first name in the information of the transaction.
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"""
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self.instance.transaction.last_name = self.data.get("last_name")
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self.instance.transaction.clean()
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def clean_first_name(self):
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"""
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Replace the last name in the information of the transaction.
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"""
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self.instance.transaction.first_name = self.data.get("first_name")
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self.instance.transaction.clean()
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def clean_bank(self):
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"""
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Replace the bank in the information of the transaction.
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"""
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self.instance.transaction.bank = self.data.get("bank")
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self.instance.transaction.clean()
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def clean_amount(self):
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"""
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Replace the amount of the transaction.
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"""
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self.instance.transaction.amount = self.data.get("amount")
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self.instance.transaction.clean()
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class Meta:
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model = SpecialTransactionProxy
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fields = ('remittance', )
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