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How to use checkout method in lisa

Best Python code snippet using lisa_python

mutations.py

Source:mutations.py

...138        variants = cleaned_input.get("variants")139        quantities = cleaned_input.get("quantities")140        if variants and quantities:141            for variant, quantity in zip(variants, quantities):142                add_variant_to_checkout(instance, variant, quantity)143    @classmethod144    def perform_mutation(cls, _root, info, **data):145        user = info.context.user146        # `perform_mutation` is overridden to properly get or create a checkout147        # instance here and abort mutation if needed.148        if user.is_authenticated:149            checkout, created = get_or_create_user_checkout(user)150            # If user has an active checkout, return it without any151            # modifications.152            if not created:153                return CheckoutCreate(checkout=checkout)154        else:155            checkout = models.Checkout()156        cleaned_input = cls.clean_input(info, checkout, data.get("input"))157        checkout = cls.construct_instance(checkout, cleaned_input)158        cls.clean_instance(checkout)159        cls.save(info, checkout, cleaned_input)160        cls._save_m2m(info, checkout, cleaned_input)161        return CheckoutCreate(checkout=checkout)162class CheckoutLinesAdd(BaseMutation):163    checkout = graphene.Field(Checkout, description="An updated Checkout.")164    class Arguments:165        checkout_id = graphene.ID(description="The ID of the Checkout.", required=True)166        lines = graphene.List(167            CheckoutLineInput,168            required=True,169            description=(170                "A list of checkout lines, each containing information about "171                "an item in the checkout."172            ),173        )174    class Meta:175        description = "Adds a checkout line to the existing checkout."176    @classmethod177    def perform_mutation(cls, _root, info, checkout_id, lines, replace=False):178        checkout = cls.get_node_or_error(179            info, checkout_id, only_type=Checkout, field="checkout_id"180        )181        variant_ids = [line.get("variant_id") for line in lines]182        variants = cls.get_nodes_or_error(variant_ids, "variant_id", ProductVariant)183        quantities = [line.get("quantity") for line in lines]184        check_lines_quantity(variants, quantities)185        # FIXME test if below function is called186        clean_shipping_method(187            checkout=checkout,188            method=checkout.shipping_method,189            discounts=info.context.discounts,190        )191        if variants and quantities:192            for variant, quantity in zip(variants, quantities):193                add_variant_to_checkout(checkout, variant, quantity, replace=replace)194        recalculate_checkout_discount(checkout, info.context.discounts)195        return CheckoutLinesAdd(checkout=checkout)196class CheckoutLinesUpdate(CheckoutLinesAdd):197    checkout = graphene.Field(Checkout, description="An updated Checkout.")198    class Meta:199        description = "Updates CheckoutLine in the existing Checkout."200    @classmethod201    def perform_mutation(cls, root, info, checkout_id, lines):202        return super().perform_mutation(root, info, checkout_id, lines, replace=True)203class CheckoutLineDelete(BaseMutation):204    checkout = graphene.Field(Checkout, description="An updated checkout.")205    class Arguments:206        checkout_id = graphene.ID(description="The ID of the Checkout.", required=True)207        line_id = graphene.ID(description="ID of the CheckoutLine to delete.")208    class Meta:209        description = "Deletes a CheckoutLine."210    @classmethod211    def perform_mutation(cls, _root, info, checkout_id, line_id):212        checkout = cls.get_node_or_error(213            info, checkout_id, only_type=Checkout, field="checkout_id"214        )215        line = cls.get_node_or_error(216            info, line_id, only_type=CheckoutLine, field="line_id"217        )218        if line and line in checkout.lines.all():219            line.delete()220        # FIXME test if below function is called221        clean_shipping_method(222            checkout=checkout,223            method=checkout.shipping_method,224            discounts=info.context.discounts,225        )226        recalculate_checkout_discount(checkout, info.context.discounts)227        return CheckoutLineDelete(checkout=checkout)228class CheckoutCustomerAttach(BaseMutation):229    checkout = graphene.Field(Checkout, description="An updated checkout.")230    class Arguments:231        checkout_id = graphene.ID(required=True, description="ID of the Checkout.")232        customer_id = graphene.ID(required=True, description="The ID of the customer.")233    class Meta:234        description = "Sets the customer as the owner of the Checkout."235    @classmethod236    def perform_mutation(cls, _root, info, checkout_id, customer_id):237        checkout = cls.get_node_or_error(238            info, checkout_id, only_type=Checkout, field="checkout_id"239        )240        customer = cls.get_node_or_error(241            info, customer_id, only_type=User, field="customer_id"242        )243        checkout.user = customer244        checkout.save(update_fields=["user"])245        return CheckoutCustomerAttach(checkout=checkout)246class CheckoutCustomerDetach(BaseMutation):247    checkout = graphene.Field(Checkout, description="An updated checkout")248    class Arguments:249        checkout_id = graphene.ID(description="Checkout ID", required=True)250    class Meta:251        description = "Removes the user assigned as the owner of the checkout."252    @classmethod253    def perform_mutation(cls, _root, info, checkout_id):254        checkout = cls.get_node_or_error(255            info, checkout_id, only_type=Checkout, field="checkout_id"256        )257        checkout.user = None258        checkout.save(update_fields=["user"])259        return CheckoutCustomerDetach(checkout=checkout)260class CheckoutAddressUpdate(BaseMutation, I18nMixin):261    checkout = graphene.Field(Checkout, description="An updated checkout")262    class Arguments:263        checkout_id = graphene.ID(required=True, description="ID of the Checkout.")264        address = AddressInput(265            required=True,266            description="The mailing address to where the checkout will be shipped.",267        )268    class Meta:269        description = "Update shipping address in the existing Checkout."270    @classmethod271    def perform_mutation(cls, _root, info, checkout_id, address):272        checkout = cls.get_node_or_error(273            info, checkout_id, only_type=Checkout, field="checkout_id"274        )275        address = cls.validate_address(276            address, instance=checkout.address277        )278        # FIXME test if below function is called279        clean_shipping_method(280            checkout=checkout,281            method=checkout.shipping_method,282            discounts=info.context.discounts,283        )284        with transaction.atomic():285            address.save()286            change_address_in_checkout(checkout, address)287        recalculate_checkout_discount(checkout, info.context.discounts)288        return CheckoutAddressUpdate(checkout=checkout)289class CheckoutEmailUpdate(BaseMutation):290    checkout = graphene.Field(Checkout, description="An updated checkout")291    class Arguments:292        checkout_id = graphene.ID(description="Checkout ID")293        email = graphene.String(required=True, description="email")294    class Meta:295        description = "Updates email address in the existing Checkout object."296    @classmethod297    def perform_mutation(cls, _root, info, checkout_id, email):298        checkout = cls.get_node_or_error(299            info, checkout_id, only_type=Checkout, field="checkout_id"300        )301        checkout.email = email302        cls.clean_instance(checkout)303        checkout.save(update_fields=["email"])304        return CheckoutEmailUpdate(checkout=checkout)305class CheckoutShippingMethodUpdate(BaseMutation):306    checkout = graphene.Field(Checkout, description="An updated checkout")307    class Arguments:308        checkout_id = graphene.ID(description="Checkout ID")309        shipping_method_id = graphene.ID(required=True, description="Shipping method")310    class Meta:311        description = "Updates the shipping address of the checkout."312    @classmethod313    def perform_mutation(cls, _root, info, checkout_id, shipping_method_id):314        checkout_id = from_global_id_strict_type(315            info, checkout_id, only_type=Checkout, field="checkout_id"316        )317        checkout = models.Checkout.objects.prefetch_related(318            "lines__variant__product__collections"319        ).get(pk=checkout_id)320        shipping_method = cls.get_node_or_error(321            info,322            shipping_method_id,323            only_type=ShippingMethod,324            field="shipping_method_id",325        )326        clean_shipping_method(327            checkout=checkout,328            method=shipping_method,329            discounts=info.context.discounts,330            remove=False,331        )332        checkout.shipping_method = shipping_method333        checkout.save(update_fields=["shipping_method"])334        recalculate_checkout_discount(checkout, info.context.discounts)335        return CheckoutShippingMethodUpdate(checkout=checkout)336class CheckoutComplete(BaseMutation):337    order = graphene.Field(Order, description="Placed order")338    class Arguments:339        checkout_id = graphene.ID(description="Checkout ID", required=True)340    class Meta:341        description = (342            "Completes the checkout. As a result a new order is created and "343            "a payment charge is made. This action requires a successful "344            "payment before it can be performed."345        )346    @classmethod347    def perform_mutation(cls, _root, info, checkout_id):348        checkout = cls.get_node_or_error(349            info, checkout_id, only_type=Checkout, field="checkout_id"350        )351        clean_checkout(checkout, info.context.discounts)352        payment = checkout.get_last_active_payment()353        with transaction.atomic():354            try:355                order_data = prepare_order_data(356                    checkout=checkout,357                    tracking_code=analytics.get_client_id(info.context),358                    discounts=info.context.discounts,359                )360            except InsufficientStock as e:361                raise ValidationError(f"Insufficient product stock: {e.item}")362            except voucher_model.NotApplicable:363                raise ValidationError("Voucher not applicable")364            except TaxError as tax_error:365                return ValidationError(366                    "Unable to calculate taxes - %s" % str(tax_error)367                )368        try:369            address = order_data["address"]  # type: models.Address370            gateway_process_payment(371                payment=payment,372                payment_token=payment.token,373                address=AddressData(**address.as_data()),374            )375        except PaymentError as e:376            abort_order_data(order_data)377            raise ValidationError(str(e))378        # create the order into the database379        order = create_order(380            checkout=checkout, order_data=order_data, user=info.context.user381        )382        # remove checkout after order is successfully paid383        checkout.delete()384        # return the success response with the newly created order data385        return CheckoutComplete(order=order)386class CheckoutUpdateVoucher(BaseMutation):387    checkout = graphene.Field(Checkout, description="An checkout with updated voucher")388    class Arguments:389        checkout_id = graphene.ID(description="Checkout ID", required=True)390        voucher_code = graphene.String(description="Voucher code")391    class Meta:392        description = (393            "DEPRECATED: Use CheckoutAddPromoCode or CheckoutRemovePromoCode instead. "394            "Adds voucher to the checkout. Query it without voucher_code "395            "field to remove voucher from checkout."396        )397    @classmethod398    def perform_mutation(cls, _root, info, checkout_id, voucher_code=None):399        checkout = cls.get_node_or_error(400            info, checkout_id, only_type=Checkout, field="checkout_id"401        )402        if voucher_code:403            try:404                voucher = voucher_model.Voucher.objects.active(date=timezone.now()).get(405                    code=voucher_code406                )407            except voucher_model.Voucher.DoesNotExist:408                raise ValidationError(409                    {"voucher_code": "Voucher with given code does not exist."}410                )411            try:412                add_voucher_to_checkout(checkout, voucher)413            except voucher_model.NotApplicable:414                raise ValidationError(415                    {"voucher_code": "Voucher is not applicable to that checkout."}416                )417        else:418            existing_voucher = get_voucher_for_checkout(checkout)419            if existing_voucher:420                remove_voucher_from_checkout(checkout)421        return CheckoutUpdateVoucher(checkout=checkout)422class CheckoutAddPromoCode(BaseMutation):423    checkout = graphene.Field(424        Checkout, description="The checkout with the added gift card or voucher"425    )426    class Arguments:427        checkout_id = graphene.ID(description="Checkout ID", required=True)428        promo_code = graphene.String(429            description="Gift card code or voucher code", required=True430        )431    class Meta:432        description = "Adds a gift card or a voucher to a checkout."433    @classmethod434    def perform_mutation(cls, _root, info, checkout_id, promo_code):435        checkout = cls.get_node_or_error(436            info, checkout_id, only_type=Checkout, field="checkout_id"437        )438        add_promo_code_to_checkout(checkout, promo_code, info.context.discounts)439        return CheckoutAddPromoCode(checkout=checkout)440class CheckoutRemovePromoCode(BaseMutation):441    checkout = graphene.Field(442        Checkout, description="The checkout with the removed gift card or voucher"443    )444    class Arguments:445        checkout_id = graphene.ID(description="Checkout ID", required=True)446        promo_code = graphene.String(447            description="Gift card code or voucher code", required=True448        )449    class Meta:450        description = "Remove a gift card or a voucher from a checkout."451    @classmethod452    def perform_mutation(cls, _root, info, checkout_id, promo_code):453        checkout = cls.get_node_or_error(454            info, checkout_id, only_type=Checkout, field="checkout_id"455        )456        remove_promo_code_from_checkout(checkout, promo_code)...

test_checkout.py

Source:test_checkout.py

1import unittest2from checkout import Checkout3class CheckoutTest(unittest.TestCase):4    def test_one_a(self):5        checkout = Checkout()6        checkout.scan("A")7        self.assertEqual(50, checkout.total)8    def test_two_a(self):9        checkout = Checkout()10        checkout.scan("A")11        checkout.scan("A")12        self.assertEqual(100, checkout.total)13    def test_three_a(self):14        checkout = Checkout()15        checkout.scan("A")16        checkout.scan("A")17        checkout.scan("A")18        self.assertEqual(130, checkout.total)19    def test_three_a(self):20        checkout = Checkout()21        checkout.scan("A")22        checkout.scan("A")23        checkout.scan("A")24        checkout.scan("A")25        checkout.scan("A")26        checkout.scan("A")27        self.assertEqual(260, checkout.total)28    def test_one_b(self):29        checkout = Checkout()30        checkout.scan("B")31        self.assertEqual(30, checkout.total)32    def test_two_b(self):33        checkout = Checkout()34        checkout.scan("B")35        checkout.scan("B")36        self.assertEqual(45, checkout.total)37    def test_three_b(self):38        checkout = Checkout()39        checkout.scan("B")40        checkout.scan("B")41        checkout.scan("B")42        checkout.scan("B")43        self.assertEqual(90, checkout.total)44    def test_simple(self):45        checkout = Checkout()46        checkout.scan("A")47        self.assertEqual(50, checkout.total)48        checkout.scan("B")49        self.assertEqual(80, checkout.total)50        checkout.scan("C")51        self.assertEqual(100, checkout.total)52        checkout.scan("D")53        self.assertEqual(115, checkout.total)54    def test_incremental(self):55        checkout = Checkout()56        checkout.scan("A")57        self.assertEqual(50, checkout.total)58        checkout.scan("B")59        self.assertEqual(80, checkout.total)60        checkout.scan("A")61        self.assertEqual(130, checkout.total)62        checkout.scan("A")63        self.assertEqual(160, checkout.total)64        checkout.scan("B")65        self.assertEqual(175, checkout.total)66        checkout.scan("C")67        self.assertEqual(195, checkout.total)68        checkout.scan("B")69        self.assertEqual(225, checkout.total)70        checkout.scan("C")71        self.assertEqual(245, checkout.total)72        checkout.scan("D")73        self.assertEqual(260, checkout.total)74        checkout.scan("D")75        self.assertEqual(275, checkout.total)76        checkout.scan("D")77        self.assertEqual(290, checkout.total)78        checkout.scan("C")79        self.assertEqual(310, checkout.total)80if __name__ == "__main__":...

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