invoice.py 24.3 KB
Newer Older
Patrick's avatar
Patrick committed
1 2 3 4 5 6 7 8
# -*- coding: utf-8
from __future__ import unicode_literals

import datetime

from django.core.validators import MinValueValidator
from django.db import models
from django.db import transaction
Patrick's avatar
Patrick committed
9
from django.db.models import F, Sum
Patrick's avatar
Patrick committed
10
from django.utils.encoding import python_2_unicode_compatible
Patrick's avatar
Patrick committed
11
from django.utils.formats import number_format
Patrick's avatar
Patrick committed
12
from django.utils.text import slugify
Patrick's avatar
Patrick committed
13 14
from django.utils.translation import ugettext_lazy as _

Patrick's avatar
Patrick committed
15
import producer
16
import purchase
Patrick's avatar
Patrick committed
17
from repanier.apps import DJANGO_IS_MIGRATION_RUNNING
Patrick's avatar
Patrick committed
18 19
from repanier.const import *
from repanier.fields.RepanierMoneyField import ModelMoneyField
Patrick's avatar
Patrick committed
20
from repanier.tools import create_or_update_one_cart_item, get_signature
Patrick's avatar
Patrick committed
21 22


Patrick's avatar
Patrick committed
23 24 25 26
def permanence_verbose_name():
    if DJANGO_IS_MIGRATION_RUNNING:
        return EMPTY_STRING
    from repanier.apps import REPANIER_SETTINGS_PERMANENCE_NAME
Patrick's avatar
Patrick committed
27
    return _('order') # lambda: "%s" % REPANIER_SETTINGS_PERMANENCE_NAME
Patrick's avatar
Patrick committed
28

Patrick's avatar
Patrick committed
29
@python_2_unicode_compatible
30
class Invoice(models.Model):
Patrick's avatar
Patrick committed
31
    permanence = models.ForeignKey(
Patrick's avatar
Patrick committed
32
        'Permanence', verbose_name=permanence_verbose_name(),
Patrick's avatar
Patrick committed
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
        on_delete=models.PROTECT, db_index=True)
    status = models.CharField(
        max_length=3,
        choices=LUT_PERMANENCE_STATUS,
        default=PERMANENCE_PLANNED,
        verbose_name=_("invoice_status"))
    date_previous_balance = models.DateField(
        _("date_previous_balance"), default=datetime.date.today)
    previous_balance = ModelMoneyField(
        _("previous_balance"), max_digits=8, decimal_places=2, default=DECIMAL_ZERO)
    # Calculated with Purchase
    total_price_with_tax = ModelMoneyField(
        _("Total amount"),
        help_text=_('Total purchase amount vat included'),
        default=DECIMAL_ZERO, max_digits=8, decimal_places=2)
    delta_price_with_tax = ModelMoneyField(
        _("Total amount"),
        help_text=_('purchase to add amount vat included'),
        default=DECIMAL_ZERO, max_digits=8, decimal_places=2)
    delta_transport = ModelMoneyField(
        _("Delivery point transport"),
        help_text=_("transport to add"),
        default=DECIMAL_ZERO, max_digits=5, decimal_places=2,
        validators=[MinValueValidator(0)])
57 58 59 60 61 62 63 64 65 66 67 68
    total_vat = ModelMoneyField(
        _("Total vat"),
        help_text=_('Vat part of the total purchased'),
        default=DECIMAL_ZERO, max_digits=9, decimal_places=4)
    delta_vat = ModelMoneyField(
        _("Total vat"),
        help_text=_('vat to add'),
        default=DECIMAL_ZERO, max_digits=9, decimal_places=4)
    total_deposit = ModelMoneyField(
        _("deposit"),
        help_text=_('deposit to add to the original unit price'),
        default=DECIMAL_ZERO, max_digits=8, decimal_places=2)
Patrick's avatar
Patrick committed
69 70 71 72 73 74 75 76 77 78 79
    bank_amount_in = ModelMoneyField(
        _("bank_amount_in"), help_text=_('payment_on_the_account'),
        max_digits=8, decimal_places=2, default=DECIMAL_ZERO)
    bank_amount_out = ModelMoneyField(
        _("bank_amount_out"), help_text=_('payment_from_the_account'),
        max_digits=8, decimal_places=2, default=DECIMAL_ZERO)
    date_balance = models.DateField(
        _("date_balance"), default=datetime.date.today)
    balance = ModelMoneyField(
        _("balance"),
        max_digits=8, decimal_places=2, default=DECIMAL_ZERO)
80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115

    def get_delta_price_with_tax(self):
        return self.delta_price_with_tax.amount

    def get_abs_delta_price_with_tax(self):
        return abs(self.delta_price_with_tax.amount)

    def __str__(self):
        return _("Invoice")

    class Meta:
        abstract = True

@python_2_unicode_compatible
class CustomerInvoice(Invoice):
    customer = models.ForeignKey(
        'Customer', verbose_name=_("customer"),
        on_delete=models.PROTECT)
    customer_charged = models.ForeignKey(
        'Customer', verbose_name=_("customer"), related_name='invoices_paid', blank=True, null=True,
        on_delete=models.PROTECT, db_index=True)
    delivery = models.ForeignKey(
        'DeliveryBoard', verbose_name=_("delivery board"),
        null=True, blank=True, default=None,
        on_delete=models.PROTECT)
    # IMPORTANT: default = True -> for the order form, to display nothing at the begin of the order
    # is_order_confirm_send and total_price_with_tax = 0 --> display nothing
    # otherwise display
    # - send a mail with the order to me
    # - confirm the order (if REPANIER_SETTINGS_CUSTOMERS_MUST_CONFIRM_ORDERS) and send a mail with the order to me
    # - mail send to XYZ
    # - order confirmed (if REPANIER_SETTINGS_CUSTOMERS_MUST_CONFIRM_ORDERS) and mail send to XYZ
    is_order_confirm_send = models.BooleanField(_("is_order_confirm_send"), choices=LUT_CONFIRM, default=False)
    invoice_sort_order = models.IntegerField(
        _("invoice sort order"),
        default=None, blank=True, null=True, db_index=True)
Patrick's avatar
Patrick committed
116 117 118 119 120 121 122 123 124 125 126 127 128 129 130
    price_list_multiplier = models.DecimalField(
        _("Delivery point price list multiplier"),
        help_text=_("This multiplier is applied once for groups with entitled customer or at each customer invoice for open groups."),
        default=DECIMAL_ONE, max_digits=5, decimal_places=4, blank=True,
        validators=[MinValueValidator(0)])
    transport = ModelMoneyField(
        _("Delivery point shipping cost"),
        help_text=_("This amount is added once for groups with entitled customer or at each customer for open groups."),
        default=DECIMAL_ZERO, max_digits=5, decimal_places=2,
        validators=[MinValueValidator(0)])
    min_transport = ModelMoneyField(
        _("Minium order amount for free shipping cost"),
        help_text=_("This is the minimum order amount to avoid shipping cost."),
        default=DECIMAL_ZERO, max_digits=5, decimal_places=2,
        validators=[MinValueValidator(0)])
Patrick's avatar
Patrick committed
131 132 133 134 135
    master_permanence = models.ForeignKey(
        'Permanence', verbose_name=_("master permanence"),
        related_name='child_customer_invoice',
        blank=True, null=True, default=None,
        on_delete=models.PROTECT, db_index=True)
Patrick's avatar
Patrick committed
136
    is_group = models.BooleanField(_("is a group"), default=False)
Patrick's avatar
Patrick committed
137 138 139 140

    def get_abs_delta_vat(self):
        return abs(self.delta_vat)

Patrick's avatar
Patrick committed
141 142
    def get_total_price_with_tax(self, customer_charged=False):
        if self.customer_id == self.customer_charged_id:
Patrick's avatar
Patrick committed
143 144
            return self.total_price_with_tax + self.delta_price_with_tax + self.delta_transport
        else:
Patrick's avatar
Patrick committed
145
            if self.status < PERMANENCE_INVOICED or not customer_charged:
Patrick's avatar
Patrick committed
146 147
                return self.total_price_with_tax
            else:
148
                return self.customer_charged # if self.total_price_with_tax != DECIMAL_ZERO else RepanierMoney()
Patrick's avatar
Patrick committed
149

Patrick's avatar
Patrick committed
150 151 152 153 154 155 156
    def get_total_price_wo_tax(self):
        return self.get_total_price_with_tax() - self.get_total_tax()

    def get_total_tax(self):
        # round to 2 decimals
        return RepanierMoney(self.total_vat.amount + self.delta_vat.amount)

Patrick's avatar
Patrick committed
157 158 159
    @transaction.atomic
    def set_delivery(self, delivery):
        # May not use delivery_id because it won't reload customer_invoice.delivery
Patrick's avatar
Patrick committed
160 161 162 163 164 165 166 167
        # Important
        # Si c'est une facture du membre d'un groupe :
        #   self.customer_charged_id != self.customer_id
        #   self.customer_charged_id == owner of the group
        #   price_list_multiplier = DECIMAL_ONE
        # Si c'est une facture lambda ou d'un groupe :
        #   self.customer_charged_id = self.customer_id
        #   price_list_multiplier may vary
Patrick's avatar
Patrick committed
168 169 170 171 172 173 174 175 176 177 178
        from repanier.apps import REPANIER_SETTINGS_TRANSPORT, REPANIER_SETTINGS_MIN_TRANSPORT
        self.delivery = delivery
        if delivery is None:
            if self.permanence.with_delivery_point:
                delivery_point = self.customer.delivery_point
            else:
                delivery_point = None
        else:
            delivery_point = delivery.delivery_point

        if delivery_point is None:
Patrick's avatar
Patrick committed
179
            self.customer_charged = self.customer
Patrick's avatar
Patrick committed
180 181 182 183 184 185
            self.price_list_multiplier = DECIMAL_ONE
            self.transport = REPANIER_SETTINGS_TRANSPORT
            self.min_transport = REPANIER_SETTINGS_MIN_TRANSPORT
        else:
            customer_responsible = delivery_point.customer_responsible
            if customer_responsible is None:
Patrick's avatar
Patrick committed
186
                self.customer_charged = self.customer
Patrick's avatar
Patrick committed
187 188 189 190
                self.price_list_multiplier = delivery_point.price_list_multiplier
                self.transport = delivery_point.transport
                self.min_transport = delivery_point.min_transport
            else:
Patrick's avatar
Patrick committed
191 192
                self.customer_charged = customer_responsible
                self.price_list_multiplier = DECIMAL_ONE
Patrick's avatar
Patrick committed
193 194 195
                self.transport = REPANIER_MONEY_ZERO
                self.min_transport = REPANIER_MONEY_ZERO
                if self.customer_id != customer_responsible.id:
Patrick's avatar
Patrick committed
196
                    customer_invoice_charged = CustomerInvoice.objects.filter(
Patrick's avatar
Patrick committed
197 198
                        permanence_id=self.permanence_id,
                        customer_id=customer_responsible.id
Patrick's avatar
Patrick committed
199 200
                    ).order_by('?')
                    if not customer_invoice_charged.exists():
Patrick's avatar
Patrick committed
201 202 203 204
                        CustomerInvoice.objects.create(
                            permanence_id=self.permanence_id,
                            customer_id=customer_responsible.id,
                            status=self.status,
Patrick's avatar
Patrick committed
205
                            customer_charged_id=customer_responsible.id,
Patrick's avatar
Patrick committed
206 207 208
                            price_list_multiplier=delivery_point.price_list_multiplier,
                            transport=delivery_point.transport,
                            min_transport=delivery_point.min_transport,
Patrick's avatar
Patrick committed
209
                            is_order_confirm_send=True,
Patrick's avatar
Patrick committed
210 211
                            is_group=True,
                            delivery=delivery
Patrick's avatar
Patrick committed
212 213 214 215
                        )

    @transaction.atomic
    def confirm_order(self):
216 217 218
        purchase.Purchase.objects.filter(
            customer_invoice__id=self.id
        ).update(quantity_confirmed=F('quantity_ordered'))
Patrick's avatar
Patrick committed
219
        self.calculate_and_save_delta_buyinggroup(confirm_order=True)
Patrick's avatar
Patrick committed
220 221
        self.is_order_confirm_send = True

Patrick's avatar
Patrick committed
222
    def calculate_and_save_delta_buyinggroup(self, confirm_order=False):
Patrick's avatar
Patrick committed
223 224 225
        previous_delta_price_with_tax = self.delta_price_with_tax.amount
        previous_delta_vat = self.delta_vat.amount
        previous_delta_transport = self.delta_transport.amount
Patrick's avatar
Patrick committed
226

Patrick's avatar
Patrick committed
227
        self.calculate_delta_price(confirm_order)
Patrick's avatar
Patrick committed
228 229
        self.calculate_delta_transport()

Patrick's avatar
Patrick committed
230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248
        if previous_delta_price_with_tax != self.delta_price_with_tax.amount or previous_delta_vat != self.delta_vat.amount or previous_delta_transport != self.delta_transport.amount:
            producer_invoice_buyinggroup = ProducerInvoice.objects.filter(
                producer__represent_this_buyinggroup=True,
                permanence_id=self.permanence_id,
            ).order_by('?').first()
            if producer_invoice_buyinggroup is None:
                producer_buyinggroup = producer.Producer.objects.filter(
                    represent_this_buyinggroup=True
                ).order_by('?').first()
                producer_invoice_buyinggroup = ProducerInvoice.objects.create(
                    producer_id=producer_buyinggroup.id,
                    permanence_id=self.permanence_id,
                    status=self.permanence.status
                )
            producer_invoice_buyinggroup.delta_price_with_tax.amount += self.delta_price_with_tax.amount - previous_delta_price_with_tax
            producer_invoice_buyinggroup.delta_vat.amount += self.delta_vat.amount - previous_delta_vat
            producer_invoice_buyinggroup.delta_transport.amount += self.delta_transport.amount - previous_delta_transport

            producer_invoice_buyinggroup.save()
Patrick's avatar
Patrick committed
249

Patrick's avatar
Patrick committed
250
    def calculate_delta_price(self, confirm_order=False):
Patrick's avatar
Patrick committed
251 252
        getcontext().rounding = ROUND_HALF_UP

Patrick's avatar
Patrick committed
253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301
        self.delta_price_with_tax.amount = DECIMAL_ZERO
        self.delta_vat.amount = DECIMAL_ZERO

        # Important
        # Si c'est une facture du membre d'un groupe :
        #   self.customer_charged_id == purchase.customer_charged_id != self.customer_id
        #   self.customer_charged_id == purchase.customer_charged_id == owner of the group
        #   self.price_list_multiplier = DECIMAL_ONE
        # Si c'est une facture lambda ou d'un groupe :
        #   self.customer_charged_id == purchase.customer_charged_id = self.customer_id
        #   self.price_list_multiplier may vary
        if self.customer_id == self.customer_charged_id:

            if self.price_list_multiplier != DECIMAL_ONE:
                result_set = purchase.Purchase.objects.filter(
                    permanence_id=self.permanence_id,
                    customer_invoice__customer_charged_id=self.customer_id,
                    is_resale_price_fixed=False
                ).order_by('?').aggregate(
                    Sum('customer_vat'),
                    Sum('deposit'),
                    Sum('selling_price')
                )

                if result_set["customer_vat__sum"] is not None:
                    total_vat = result_set["customer_vat__sum"]
                else:
                    total_vat = DECIMAL_ZERO
                if result_set["deposit__sum"] is not None:
                    total_deposit = result_set["deposit__sum"]
                else:
                    total_deposit = DECIMAL_ZERO
                if result_set["selling_price__sum"] is not None:
                    total_price_with_tax = result_set["selling_price__sum"]
                else:
                    total_price_with_tax = DECIMAL_ZERO

                total_price_with_tax_wo_deposit = total_price_with_tax - total_deposit
                self.delta_price_with_tax.amount = -(
                    total_price_with_tax_wo_deposit - (
                        total_price_with_tax_wo_deposit * self.price_list_multiplier
                    ).quantize(TWO_DECIMALS)
                )
                self.delta_vat.amount = -(
                    total_vat - (
                        total_vat * self.price_list_multiplier
                    ).quantize(FOUR_DECIMALS)
                )

302 303
            result_set = purchase.Purchase.objects.filter(
                permanence_id=self.permanence_id,
Patrick's avatar
Patrick committed
304
                customer_invoice__customer_charged_id=self.customer_id,
305 306 307 308 309 310 311 312
            ).order_by('?').aggregate(
                Sum('customer_vat'),
                Sum('deposit'),
                Sum('selling_price')
            )
        else:
            result_set = purchase.Purchase.objects.filter(
                permanence_id=self.permanence_id,
Patrick's avatar
Patrick committed
313
                customer_id=self.customer_id,
314 315 316 317 318
            ).order_by('?').aggregate(
                Sum('customer_vat'),
                Sum('deposit'),
                Sum('selling_price')
            )
Patrick's avatar
Patrick committed
319 320 321 322 323 324 325 326 327 328 329 330
        if result_set["customer_vat__sum"] is not None:
            self.total_vat.amount = result_set["customer_vat__sum"]
        else:
            self.total_vat.amount = DECIMAL_ZERO
        if result_set["deposit__sum"] is not None:
            self.total_deposit.amount = result_set["deposit__sum"]
        else:
            self.total_deposit.amount = DECIMAL_ZERO
        if result_set["selling_price__sum"] is not None:
            self.total_price_with_tax.amount = result_set["selling_price__sum"]
        else:
            self.total_price_with_tax.amount = DECIMAL_ZERO
Patrick's avatar
Patrick committed
331

Patrick's avatar
Patrick committed
332 333 334 335 336 337 338
    def calculate_delta_transport(self):

        self.delta_transport.amount = DECIMAL_ZERO
        if self.master_permanence_id is None and self.transport.amount != DECIMAL_ZERO:
            # Calculate transport only on master customer invoice
            # But take into account the children customer invoices
            result_set = CustomerInvoice.objects.filter(
Patrick's avatar
Patrick committed
339
                master_permanence_id=self.permanence_id
Patrick's avatar
Patrick committed
340 341 342 343 344 345 346 347 348 349 350 351
            ).order_by('?').aggregate(
                Sum('total_price_with_tax'),
                Sum('delta_price_with_tax')
            )
            if result_set["total_price_with_tax__sum"] is not None:
                sum_total_price_with_tax = result_set["total_price_with_tax__sum"]
            else:
                sum_total_price_with_tax = DECIMAL_ZERO
            if result_set["delta_price_with_tax__sum"] is not None:
                sum_delta_price_with_tax = result_set["delta_price_with_tax__sum"]
            else:
                sum_delta_price_with_tax = DECIMAL_ZERO
Patrick's avatar
Patrick committed
352

Patrick's avatar
Patrick committed
353 354
            sum_total_price_with_tax += self.total_price_with_tax.amount
            sum_delta_price_with_tax += self.delta_price_with_tax.amount
Patrick's avatar
Patrick committed
355

Patrick's avatar
Patrick committed
356 357 358 359 360 361 362 363 364
            total_price_with_tax = sum_total_price_with_tax + sum_delta_price_with_tax
            if total_price_with_tax != DECIMAL_ZERO:
                if self.min_transport.amount == DECIMAL_ZERO:
                    self.delta_transport.amount = self.transport.amount
                elif total_price_with_tax < self.min_transport.amount:
                    self.delta_transport.amount = min(
                        self.min_transport.amount - total_price_with_tax,
                        self.transport.amount
                    )
Patrick's avatar
Patrick committed
365 366

    def cancel_confirm_order(self):
367 368 369 370 371 372 373
        if self.is_order_confirm_send:
            # Change of confirmation status
            self.is_order_confirm_send = False
            return True
        else:
            # No change of confirmation status
            return False
Patrick's avatar
Patrick committed
374

Patrick's avatar
Patrick committed
375
    def create_child(self, new_permanence):
Patrick's avatar
Patrick committed
376 377 378 379 380 381 382 383 384 385 386 387 388 389 390
        if self.customer_id != self.customer_charged_id:
            # TODO : Créer la customer invoice du groupe
            customer_invoice = CustomerInvoice.objects.filter(
                permanence_id=self.permanence_id,
                customer_id=self.customer_charged_id
            ).only("id").order_by('?')
            if not customer_invoice.exists():
                customer_invoice = CustomerInvoice.objects.create(
                    permanence_id=self.permanence_id,
                    customer_id=self.customer_charged_id,
                    customer_charged_id=self.customer_charged_id,
                    status=self.status
                )
                customer_invoice.set_delivery(delivery=None)
                customer_invoice.save()
Patrick's avatar
Patrick committed
391 392 393 394
        return CustomerInvoice.objects.create(
            permanence_id=new_permanence.id,
            customer_id=self.customer_id,
            master_permanence_id=self.permanence_id,
Patrick's avatar
Patrick committed
395
            customer_charged_id=self.customer_charged_id,
Patrick's avatar
Patrick committed
396 397 398
            status=self.status
        )

Patrick's avatar
Patrick committed
399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418
    def delete_if_unconfirmed(self, permanence):
        if not self.is_order_confirm_send:
            from repanier.email.email_order import export_order_2_1_customer

            filename = "{0}-{1}.xlsx".format(
                slugify(_("Canceled order")),
                slugify(permanence)
            )
            sender_email, sender_function, signature, cc_email_staff = get_signature(
                is_reply_to_order_email=True)
            export_order_2_1_customer(
                self.customer, filename, permanence, sender_email,
                sender_function, signature,
                cancel_order=True
            )
            purchase_qs = purchase.Purchase.objects.filter(
                customer_invoice_id=self.id,
                is_box_content=False,
            ).order_by('?')
            for a_purchase in purchase_qs.select_related("customer"):
Patrick's avatar
Patrick committed
419
                create_or_update_one_cart_item(
Patrick's avatar
Patrick committed
420 421 422
                    customer=a_purchase.customer,
                    offer_item_id=a_purchase.offer_item_id,
                    q_order=DECIMAL_ZERO,
Patrick's avatar
Patrick committed
423
                    batch_job=True,
424
                    comment=_("Cancelled qty : %s") % number_format(a_purchase.quantity_ordered, 4)
Patrick's avatar
Patrick committed
425 426
                )

Patrick's avatar
Patrick committed
427 428 429 430 431 432 433 434 435 436
    def __str__(self):
        return '%s, %s' % (self.customer, self.permanence)

    class Meta:
        verbose_name = _("customer invoice")
        verbose_name_plural = _("customers invoices")
        unique_together = ("permanence", "customer",)


@python_2_unicode_compatible
437
class ProducerInvoice(Invoice):
Patrick's avatar
Patrick committed
438 439
    producer = models.ForeignKey(
        'Producer', verbose_name=_("producer"),
Patrick's avatar
Patrick committed
440
        # related_name='producer_invoice',
Patrick's avatar
Patrick committed
441
        on_delete=models.PROTECT)
442

Patrick's avatar
Patrick committed
443 444 445 446
    delta_stock_with_tax = ModelMoneyField(
        _("Total stock"),
        help_text=_('stock taken amount vat included'),
        default=DECIMAL_ZERO, max_digits=8, decimal_places=2)
447

Patrick's avatar
Patrick committed
448 449 450 451 452 453 454 455 456 457 458 459
    delta_stock_vat = ModelMoneyField(
        _("Total stock vat"),
        help_text=_('vat to add'),
        default=DECIMAL_ZERO, max_digits=9, decimal_places=4)
    delta_deposit = ModelMoneyField(
        _("deposit"),
        help_text=_('deposit to add'),
        default=DECIMAL_ZERO, max_digits=8, decimal_places=2)
    delta_stock_deposit = ModelMoneyField(
        _("deposit"),
        help_text=_('deposit to add'),
        default=DECIMAL_ZERO, max_digits=8, decimal_places=2)
Patrick's avatar
Patrick committed
460 461

    to_be_paid = models.BooleanField(_("to be paid"), choices=LUT_BANK_NOTE, default=False)
Patrick's avatar
Patrick committed
462 463 464 465
    calculated_invoiced_balance = ModelMoneyField(
        _("calculated balance to be invoiced"), max_digits=8, decimal_places=2, default=DECIMAL_ZERO)
    to_be_invoiced_balance = ModelMoneyField(
        _("balance to be invoiced"), max_digits=8, decimal_places=2, default=DECIMAL_ZERO)
Patrick's avatar
Patrick committed
466 467 468
    invoice_sort_order = models.IntegerField(
        _("invoice sort order"),
        default=None, blank=True, null=True, db_index=True)
Patrick's avatar
Patrick committed
469 470 471
    invoice_reference = models.CharField(
        _("invoice reference"), max_length=100, null=True, blank=True)

Patrick's avatar
Patrick committed
472 473 474 475 476 477
    def get_negative_previous_balance(self):
        return - self.previous_balance

    def get_negative_balance(self):
        return - self.balance

Patrick's avatar
Patrick committed
478 479 480 481 482 483 484 485 486
    def get_total_price_with_tax(self):
        return self.total_price_with_tax + self.delta_price_with_tax + self.delta_transport + self.delta_stock_with_tax

    def get_total_vat(self):
        return self.total_vat + self.delta_stock_vat

    def get_total_deposit(self):
        return self.total_deposit + self.delta_stock_deposit

Patrick's avatar
Patrick committed
487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503
    def get_order_json(self, to_json):
        producer = self.producer
        if producer.minimum_order_value.amount > DECIMAL_ZERO:
            ratio = self.total_price_with_tax.amount / producer.minimum_order_value.amount
            if ratio >= DECIMAL_ONE:
                ratio = 100
            else:
                ratio *= 100
            option_dict = {'id'  : "#order_procent%d" % producer.id,
                           'html': "%s%%" % number_format(ratio, 0)}
            to_json.append(option_dict)
        if self.status != PERMANENCE_OPENED:
            option_dict = {'id'  : "#order_closed%d" % producer.id,
                           'html': '&nbsp;<span class="glyphicon glyphicon-ban-circle" aria-hidden="true"></span>'}
            to_json.append(option_dict)
        return

Patrick's avatar
Patrick committed
504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521
    def __str__(self):
        return '%s, %s' % (self.producer, self.permanence)

    class Meta:
        verbose_name = _("producer invoice")
        verbose_name_plural = _("producers invoices")
        unique_together = ("permanence", "producer",)


@python_2_unicode_compatible
class CustomerProducerInvoice(models.Model):
    customer = models.ForeignKey(
        'Customer', verbose_name=_("customer"),
        on_delete=models.PROTECT)
    producer = models.ForeignKey(
        'Producer', verbose_name=_("producer"),
        on_delete=models.PROTECT)
    permanence = models.ForeignKey(
Patrick's avatar
Patrick committed
522
        'Permanence', verbose_name=permanence_verbose_name(), on_delete=models.PROTECT,
Patrick's avatar
Patrick committed
523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561
        db_index=True)
    # Calculated with Purchase
    total_purchase_with_tax = ModelMoneyField(
        _("producer amount invoiced"),
        help_text=_('Total selling amount vat included'),
        default=DECIMAL_ZERO, max_digits=8, decimal_places=2)
    # Calculated with Purchase
    total_selling_with_tax = ModelMoneyField(
        _("customer amount invoiced"),
        help_text=_('Total selling amount vat included'),
        default=DECIMAL_ZERO, max_digits=8, decimal_places=2)

    def get_html_producer_price_purchased(self):
        if self.total_purchase_with_tax != DECIMAL_ZERO:
            return _("<b>%(price)s</b>") % {'price': self.total_purchase_with_tax}
        return EMPTY_STRING

    get_html_producer_price_purchased.short_description = (_("producer amount invoiced"))
    get_html_producer_price_purchased.allow_tags = True
    get_html_producer_price_purchased.admin_order_field = 'total_purchase_with_tax'

    def __str__(self):
        return '%s, %s' % (self.producer, self.customer)

    class Meta:
        verbose_name = _("customer x producer invoice")
        verbose_name_plural = _("customers x producers invoices")
        unique_together = ("permanence", "customer", "producer",)


@python_2_unicode_compatible
class CustomerSend(CustomerProducerInvoice):
    def __str__(self):
        return '%s, %s' % (self.producer, self.customer)

    class Meta:
        proxy = True
        verbose_name = _("customer")
        verbose_name_plural = _("customers")