byceps.blueprints.admin.shop.article.views._get_article_or_404() - Code Metrics - byceps/byceps - Measure and Improve Code Quality continuously with Scrutinizer

_get_article_or_404() A
last analyzed 2024-05-06 17:46 UTC

↳ Parent: byceps.blueprints.admin.shop.article.views
Complexity

Conditions
Size

Total Lines	7
Code Lines	5
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	0
CRAP Score	6
Importance

Changes
Metric	Value
eloc	5
dl	0
loc	7
rs	10
c	0
b	0
f	0
cc	2
nop	1
ccs	0
cts	0
cp	0
crap	6
"""
byceps.blueprints.admin.shop.article.views
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

:Copyright: 2014-2024 Jochen Kupperschmidt
:License: Revised BSD (see `LICENSE` file for details)
"""

import dataclasses
from datetime import date, datetime, time
from decimal import Decimal

from flask import abort, request
from flask_babel import gettext, to_user_timezone, to_utc
from moneyed import Money

from byceps.services.brand import brand_service
from byceps.services.party import party_service
from byceps.services.shop.article import (
    article_sequence_service,
    article_service,
)
from byceps.services.shop.article.models import (
    Article,
    ArticleNumber,
    ArticleNumberSequence,
    ArticleType,
    get_article_type_label,
)
from byceps.services.shop.order import (
    order_action_registry_service,
    order_action_service,
    ordered_articles_service,
)
from byceps.services.shop.order.models.order import Order, PaymentState
from byceps.services.shop.shop import shop_service
from byceps.services.shop.shop.models import ShopID
from byceps.services.ticketing import ticket_category_service
from byceps.services.user_badge import user_badge_service
from byceps.util.framework.blueprint import create_blueprint
from byceps.util.framework.flash import flash_error, flash_success
from byceps.util.framework.templating import templated
from byceps.util.views import (
    permission_required,
    redirect_to,
    respond_no_content,
)

from .forms import (
    ArticleAttachmentCreateForm,
    ArticleCreateForm,
    ArticleNumberSequenceCreateForm,
    ArticleUpdateForm,
    RegisterBadgeAwardingActionForm,
    RegisterTicketBundlesCreationActionForm,
    RegisterTicketsCreationActionForm,
    TicketArticleCreateForm,
    TicketBundleArticleCreateForm,
)


blueprint = create_blueprint('shop_article_admin', __name__)


TAX_RATE_DISPLAY_FACTOR = Decimal('100')


@blueprint.get('/for_shop/<shop_id>', defaults={'page': 1})
@blueprint.get('/for_shop/<shop_id>/pages/<int:page>')
@permission_required('shop_article.view')
@templated
def index_for_shop(shop_id, page):
    """List articles for that shop."""
    shop = _get_shop_or_404(shop_id)

    brand = brand_service.get_brand(shop.brand_id)

    per_page = request.args.get('per_page', type=int, default=15)

    search_term = request.args.get('search_term', default='').strip()

    articles = article_service.get_articles_for_shop_paginated(
        shop.id,
        page,
        per_page,
        search_term=search_term,
    )

    # Inherit order of enum members.
    article_type_labels_by_type = {
        type_: get_article_type_label(type_) for type_ in ArticleType
    }

    totals_by_article_number = {
        article.item_number: ordered_articles_service.count_ordered_articles(
            article.id
        )
        for article in articles.items
    }

    return {
        'shop': shop,
        'brand': brand,
        'articles': articles,
        'article_type_labels_by_type': article_type_labels_by_type,
        'totals_by_article_number': totals_by_article_number,
        'PaymentState': PaymentState,
        'per_page': per_page,
        'search_term': search_term,
    }


@blueprint.get('/<uuid:article_id>')
@permission_required('shop_article.view')
@templated
def view(article_id):
    """Show a single article."""
    article = article_service.find_article_with_details(article_id)
    if article is None:
        abort(404)

    shop = shop_service.get_shop(article.shop_id)

    brand = brand_service.get_brand(shop.brand_id)

    type_label = get_article_type_label(article.type_)

    if article.type_ in (ArticleType.ticket, ArticleType.ticket_bundle):
        ticket_category = ticket_category_service.find_category(
            article.type_params['ticket_category_id']
        )
        if ticket_category is not None:
            ticket_party = party_service.get_party(ticket_category.party_id)
        else:
            ticket_party = None
    else:
        ticket_party = None
        ticket_category = None

    totals = ordered_articles_service.count_ordered_articles(article.id)

    actions = order_action_service.get_actions_for_article(article.id)
    actions.sort(key=lambda a: a.payment_state.name, reverse=True)

    return {
        'article': article,
        'shop': shop,
        'brand': brand,
        'type_label': type_label,
        'ticket_category': ticket_category,
        'ticket_party': ticket_party,
        'totals': totals,
        'PaymentState': PaymentState,
        'actions': actions,
    }


@blueprint.get('/<uuid:article_id>/orders')
@permission_required('shop_article.view')
@templated
def view_orders(article_id):
    """List the orders for this article, and the corresponding quantities."""
    article = _get_article_or_404(article_id)

    shop = shop_service.get_shop(article.shop_id)
    brand = brand_service.get_brand(shop.brand_id)

    orders = ordered_articles_service.get_orders_including_article(article.id)

    def transform(order: Order) -> tuple[Order, int]:
        quantity = sum(
            line_item.quantity
            for line_item in order.line_items
            if line_item.article_id == article.id
        )

        return order, quantity

    orders_with_quantities = list(map(transform, orders))

    quantity_total = sum(quantity for _, quantity in orders_with_quantities)

    return {
        'article': article,
        'shop': shop,
        'brand': brand,
        'quantity_total': quantity_total,
        'orders_with_quantities': orders_with_quantities,
        'now': datetime.utcnow(),
    }


@blueprint.get('/<uuid:article_id>/purchases')
@permission_required('shop_article.view')
@templated
def view_purchases(article_id):
    """List the purchases for this article, and the corresponding quantities."""
    article = _get_article_or_404(article_id)

    shop = shop_service.get_shop(article.shop_id)
    brand = brand_service.get_brand(shop.brand_id)

    orders = ordered_articles_service.get_orders_including_article(
        article.id, only_payment_state=PaymentState.paid
    )

    def transform(order: Order) -> tuple[Order, int]:
        quantity = sum(
            line_item.quantity
            for line_item in order.line_items
            if line_item.article_id == article.id
        )

        return order, quantity

    orders_with_quantities = list(map(transform, orders))

    quantity_total = sum(quantity for _, quantity in orders_with_quantities)

    return {
        'article': article,
        'shop': shop,
        'brand': brand,
        'quantity_total': quantity_total,
        'orders_with_quantities': orders_with_quantities,
        'now': datetime.utcnow(),
    }


# -------------------------------------------------------------------- #
# create


@blueprint.get('/for_shop/<shop_id>/create/<type_name>')
@permission_required('shop_article.create')
@templated
def create_form(shop_id, type_name, erroneous_form=None):
    """Show form to create an article."""
    shop = _get_shop_or_404(shop_id)
    type_ = _get_article_type_or_400(type_name)

    brand = brand_service.get_brand(shop.brand_id)

    article_number_sequences = _get_active_article_number_sequences_for_shop(
        shop.id
    )
    article_number_sequence_available = bool(article_number_sequences)

    form = (
        erroneous_form
        if erroneous_form
        else ArticleCreateForm(
            shop.id, price_amount=Decimal('0.0'), tax_rate=Decimal('19.0')
        )
    )
    form.set_article_number_sequence_choices(article_number_sequences)

    return {
        'shop': shop,
        'brand': brand,
        'article_type_name': type_.name,
        'article_type_label': get_article_type_label(type_),
        'article_number_sequence_available': article_number_sequence_available,
        'form': form,
    }


@blueprint.get('/for_shop/<shop_id>/create/ticket')
@permission_required('shop_article.create')
@templated
def create_ticket_form(shop_id, erroneous_form=None):
    """Show form to create a ticket article."""
    shop = _get_shop_or_404(shop_id)
    type_ = ArticleType.ticket

    brand = brand_service.get_brand(shop.brand_id)

    article_number_sequences = _get_active_article_number_sequences_for_shop(
        shop.id
    )
    article_number_sequence_available = bool(article_number_sequences)

    form = (
        erroneous_form
        if erroneous_form
        else TicketArticleCreateForm(
            price_amount=Decimal('0.0'), tax_rate=Decimal('19.0')
        )
    )
    form.set_article_number_sequence_choices(article_number_sequences)
    form.set_ticket_category_choices(brand.id)

    return {
        'shop': shop,
        'brand': brand,
        'article_type_name': type_.name,
        'article_type_label': get_article_type_label(type_),
        'article_number_sequence_available': article_number_sequence_available,
        'form': form,
    }


@blueprint.get('/for_shop/<shop_id>/create/ticket_bundle')
@permission_required('shop_article.create')
@templated
def create_ticket_bundle_form(shop_id, erroneous_form=None):
    """Show form to create a ticket bundle article."""
    shop = _get_shop_or_404(shop_id)
    type_ = ArticleType.ticket_bundle

    brand = brand_service.get_brand(shop.brand_id)

    article_number_sequences = _get_active_article_number_sequences_for_shop(
        shop.id
    )
    article_number_sequence_available = bool(article_number_sequences)

    form = (
        erroneous_form
        if erroneous_form
        else TicketBundleArticleCreateForm(
            price_amount=Decimal('0.0'), tax_rate=Decimal('19.0')
        )
    )
    form.set_article_number_sequence_choices(article_number_sequences)
    form.set_ticket_category_choices(brand.id)

    return {
        'shop': shop,
        'brand': brand,
        'article_type_name': type_.name,
        'article_type_label': get_article_type_label(type_),
        'article_number_sequence_available': article_number_sequence_available,
        'form': form,
    }


@blueprint.post('/for_shop/<shop_id>/<type_name>')
@permission_required('shop_article.create')
def create(shop_id, type_name):
    """Create an article."""
    shop = _get_shop_or_404(shop_id)
    type_ = _get_article_type_or_400(type_name)

    form = _get_create_form(type_, shop.id, request)

    article_number_sequences = _get_active_article_number_sequences_for_shop(
        shop.id
    )
    if not article_number_sequences:
        flash_error(
            gettext('No article number sequences are defined for this shop.')
        )
        return create_form(shop_id, type_.name, form)

    form.set_article_number_sequence_choices(article_number_sequences)
    if type_ in (ArticleType.ticket, ArticleType.ticket_bundle):
        form.set_ticket_category_choices(shop.brand_id)

    if not form.validate():
        return create_form(shop_id, type_.name, form)

    article_number_sequence_id = form.article_number_sequence_id.data
    if not article_number_sequence_id:
        flash_error(gettext('No valid article number sequence was specified.'))
        return create_form(shop_id, type_.name, form)

    article_number_sequence = (
        article_sequence_service.get_article_number_sequence(
            article_number_sequence_id
        )
    )
    if article_number_sequence.shop_id != shop.id:
        flash_error(gettext('No valid article number sequence was specified.'))
        return create_form(shop_id, type_.name, form)

    item_number = _get_item_number(article_number_sequence.id)

    name = form.name.data.strip()
    price = Money(form.price_amount.data, shop.currency)
    tax_rate = form.tax_rate.data / TAX_RATE_DISPLAY_FACTOR
    available_from_utc = _assemble_datetime_utc(
        form.available_from_date.data, form.available_from_time.data
    )
    available_until_utc = _assemble_datetime_utc(
        form.available_until_date.data, form.available_until_time.data
    )
    total_quantity = form.total_quantity.data
    max_quantity_per_order = form.max_quantity_per_order.data
    not_directly_orderable = form.not_directly_orderable.data
    separate_order_required = form.separate_order_required.data

    article = _create_article(
        type_,
        shop.id,
        item_number,
        name,
        price,
        tax_rate,
        total_quantity,
        max_quantity_per_order,
        form,
        available_from_utc,
        available_until_utc,
        not_directly_orderable,
        separate_order_required,
    )

    flash_success(
        gettext(
            'Article "%(item_number)s" has been created.',
            item_number=article.item_number,
        )
    )
    return redirect_to('.view', article_id=article.id)


def _get_create_form(type_: ArticleType, shop_id: ShopID, request):
    if type_ == ArticleType.ticket:
        return TicketArticleCreateForm(request.form)
    elif type_ == ArticleType.ticket_bundle:
        return TicketBundleArticleCreateForm(request.form)
    else:
        return ArticleCreateForm(shop_id, request.form)


def _get_item_number(article_number_sequence_id) -> ArticleNumber:
    generation_result = article_sequence_service.generate_article_number(
        article_number_sequence_id
    )

    if generation_result.is_err():
        abort(500, generation_result.unwrap_err())

    return generation_result.unwrap()


def _create_article(
    type_: ArticleType,
    shop_id: ShopID,
    item_number: ArticleNumber,
    name: str,
    price: Money,
    tax_rate: Decimal,
    total_quantity: int,
    max_quantity_per_order: int,
    form,
    available_from: datetime | None = None,
    available_until: datetime | None = None,
    not_directly_orderable: bool = False,
    separate_order_required: bool = False,
):
    if type_ == ArticleType.ticket:
        return article_service.create_ticket_article(
            shop_id,
            item_number,
            name,
            price,
            tax_rate,
            total_quantity,
            max_quantity_per_order,
            form.ticket_category_id.data,
            available_from=available_from,
            available_until=available_until,
            not_directly_orderable=not_directly_orderable,
            separate_order_required=separate_order_required,
        )
    elif type_ == ArticleType.ticket_bundle:
        return article_service.create_ticket_bundle_article(
            shop_id,
            item_number,
            name,
            price,
            tax_rate,
            total_quantity,
            max_quantity_per_order,
            form.ticket_category_id.data,
            form.ticket_quantity.data,
            available_from=available_from,
            available_until=available_until,
            not_directly_orderable=not_directly_orderable,
            separate_order_required=separate_order_required,
        )
    else:
        processing_required = type_ == ArticleType.physical

        return article_service.create_article(
            shop_id,
            item_number,
            type_,
            name,
            price,
            tax_rate,
            total_quantity,
            max_quantity_per_order,
            processing_required,
            available_from=available_from,
            available_until=available_until,
            not_directly_orderable=not_directly_orderable,
            separate_order_required=separate_order_required,
        )


# -------------------------------------------------------------------- #
# update


@blueprint.get('/<uuid:article_id>/update')
@permission_required('shop_article.update')
@templated
def update_form(article_id, erroneous_form=None):
    """Show form to update an article."""
    article = _get_article_or_404(article_id)

    shop = shop_service.get_shop(article.shop_id)

    brand = brand_service.get_brand(shop.brand_id)

    data = dataclasses.asdict(article)
    data['price_amount'] = article.price.amount
    if article.available_from:
        available_from_local = to_user_timezone(article.available_from)
        data['available_from_date'] = available_from_local.date()
        data['available_from_time'] = available_from_local.time()
    if article.available_until:
        available_until_local = to_user_timezone(article.available_until)
        data['available_until_date'] = available_until_local.date()
        data['available_until_time'] = available_until_local.time()

    form = (
        erroneous_form
        if erroneous_form
        else ArticleUpdateForm(shop.id, article.name, data=data)
    )
    form.tax_rate.data = article.tax_rate * TAX_RATE_DISPLAY_FACTOR

    return {
        'article': article,
        'shop': shop,
        'brand': brand,
        'form': form,
    }


@blueprint.post('/<uuid:article_id>')
@permission_required('shop_article.update')
def update(article_id):
    """Update an article."""
    article = _get_article_or_404(article_id)

    shop = shop_service.get_shop(article.shop_id)

    form = ArticleUpdateForm(shop.id, article.name, request.form)
    if not form.validate():
        return update_form(article_id, form)

    name = form.name.data.strip()
    price = Money(form.price_amount.data, shop.currency)
    tax_rate = form.tax_rate.data / TAX_RATE_DISPLAY_FACTOR
    available_from_utc = _assemble_datetime_utc(
        form.available_from_date.data, form.available_from_time.data
    )
    available_until_utc = _assemble_datetime_utc(
        form.available_until_date.data, form.available_until_time.data
    )
    total_quantity = form.total_quantity.data
    max_quantity_per_order = form.max_quantity_per_order.data
    not_directly_orderable = form.not_directly_orderable.data
    separate_order_required = form.separate_order_required.data

    article = article_service.update_article(
        article.id,
        name,
        price,
        tax_rate,
        available_from_utc,
        available_until_utc,
        total_quantity,
        max_quantity_per_order,
        not_directly_orderable,
        separate_order_required,
    )

    flash_success(
        gettext('Article "%(name)s" has been updated.', name=article.name)
    )
    return redirect_to('.view', article_id=article.id)


# -------------------------------------------------------------------- #
# article attachments


@blueprint.get('/<uuid:article_id>/attachments/create')
@permission_required('shop_article.update')
@templated
def attachment_create_form(article_id, erroneous_form=None):
    """Show form to attach an article to another article."""
    article = _get_article_or_404(article_id)

    shop = shop_service.get_shop(article.shop_id)

    brand = brand_service.get_brand(shop.brand_id)

    attachable_articles = article_service.get_attachable_articles(article.id)

    form = (
        erroneous_form
        if erroneous_form
        else ArticleAttachmentCreateForm(quantity=0)
    )
    form.set_article_to_attach_choices(attachable_articles)

    return {
        'article': article,
        'shop': shop,
        'brand': brand,
        'form': form,
    }


@blueprint.post('/<uuid:article_id>/attachments')
@permission_required('shop_article.update')
def attachment_create(article_id):
    """Attach an article to another article."""
    article = _get_article_or_404(article_id)

    attachable_articles = article_service.get_attachable_articles(article.id)

    form = ArticleAttachmentCreateForm(request.form)
    form.set_article_to_attach_choices(attachable_articles)

    if not form.validate():
        return attachment_create_form(article_id, form)

    article_to_attach_id = form.article_to_attach_id.data
    article_to_attach = article_service.get_article(article_to_attach_id)
    quantity = form.quantity.data

    article_service.attach_article(article_to_attach.id, quantity, article.id)

    flash_success(
        gettext(
            'Article "%(article_to_attach_item_number)s" has been attached %(quantity)s times to article "%(article_item_number)s".',
            article_to_attach_item_number=article_to_attach.item_number,
            quantity=quantity,
            article_item_number=article.item_number,
        )
    )
    return redirect_to('.view', article_id=article.id)


@blueprint.delete('/attachments/<uuid:article_id>')
@permission_required('shop_article.update')
@respond_no_content
def attachment_remove(article_id):
    """Remove the attachment link from one article to another."""
    attached_article = article_service.find_attached_article(article_id)

    if attached_article is None:
        abort(404)

    article = attached_article.article
    attached_to_article = attached_article.attached_to_article

    article_service.unattach_article(attached_article.id)

    flash_success(
        gettext(
            'Article "%(article_item_number)s" is no longer attached to article "%(attached_to_article_item_number)s".',
            article_item_number=article.item_number,
            attached_to_article_item_number=attached_to_article.item_number,
        )
    )


# -------------------------------------------------------------------- #
# actions


@blueprint.get('/<uuid:article_id>/actions/badge_awarding/create')
@permission_required('shop_article.update')
@templated
def action_create_form_for_badge_awarding(article_id, erroneous_form=None):
    """Show form to register a badge awarding action for the article."""
    article = _get_article_or_404(article_id)

    shop = shop_service.get_shop(article.shop_id)
    brand = brand_service.get_brand(shop.brand_id)

    badges = user_badge_service.get_all_badges()

    form = (
        erroneous_form if erroneous_form else RegisterBadgeAwardingActionForm()
    )
    form.set_badge_choices(badges)

    return {
        'article': article,
        'shop': shop,
        'brand': brand,
        'form': form,
    }


@blueprint.post('/<uuid:article_id>/actions/badge_awarding')
@permission_required('shop_article.update')
def action_create_for_badge_awarding(article_id):
    """Register a badge awarding action for the article."""
    article = _get_article_or_404(article_id)

    badges = user_badge_service.get_all_badges()

    form = RegisterBadgeAwardingActionForm(request.form)
    form.set_badge_choices(badges)

    if not form.validate():
        return action_create_form_for_badge_awarding(article_id, form)

    badge_id = form.badge_id.data
    badge = user_badge_service.get_badge(badge_id)

    order_action_registry_service.register_badge_awarding(article.id, badge.id)

    flash_success(gettext('Action has been added.'))

    return redirect_to('.view', article_id=article.id)


@blueprint.get('/<uuid:article_id>/actions/tickets_creation/create')
@permission_required('shop_article.update')
@templated
def action_create_form_for_tickets_creation(article_id, erroneous_form=None):
    """Show form to register a tickets creation action for the article."""
    article = _get_article_or_404(article_id)

    shop = shop_service.get_shop(article.shop_id)
    brand = brand_service.get_brand(shop.brand_id)

    form = (
        erroneous_form
        if erroneous_form
        else RegisterTicketsCreationActionForm()
    )
    form.set_category_choices(brand.id)

    return {
        'article': article,
        'shop': shop,
        'brand': brand,
        'form': form,
    }


@blueprint.post('/<uuid:article_id>/actions/tickets_creation')
@permission_required('shop_article.update')
def action_create_for_tickets_creation(article_id):
    """Register a tickets creation action for the article."""
    article = _get_article_or_404(article_id)

    shop = shop_service.get_shop(article.shop_id)
    brand = brand_service.get_brand(shop.brand_id)

    form = RegisterTicketsCreationActionForm(request.form)
    form.set_category_choices(brand.id)

    if not form.validate():
        return action_create_form_for_tickets_creation(article_id, form)

    category_id = form.category_id.data
    category = ticket_category_service.get_category(category_id)

    order_action_registry_service.register_tickets_creation(
        article.id, category.id
    )

    flash_success(gettext('Action has been added.'))

    return redirect_to('.view', article_id=article.id)


@blueprint.get('/<uuid:article_id>/actions/ticket_bundles_creation/create')
@permission_required('shop_article.update')
@templated
def action_create_form_for_ticket_bundles_creation(
    article_id, erroneous_form=None
):
    """Show form to register a ticket bundles creation action for the article."""
    article = _get_article_or_404(article_id)

    shop = shop_service.get_shop(article.shop_id)
    brand = brand_service.get_brand(shop.brand_id)

    form = (
        erroneous_form
        if erroneous_form
        else RegisterTicketBundlesCreationActionForm()
    )
    form.set_category_choices(brand.id)

    return {
        'article': article,
        'shop': shop,
        'brand': brand,
        'form': form,
    }


@blueprint.post('/<uuid:article_id>/actions/ticket_bundles_creation')
@permission_required('shop_article.update')
def action_create_for_ticket_bundles_creation(article_id):
    """Register a ticket bundles creation action for the article."""
    article = _get_article_or_404(article_id)

    shop = shop_service.get_shop(article.shop_id)
    brand = brand_service.get_brand(shop.brand_id)

    form = RegisterTicketBundlesCreationActionForm(request.form)
    form.set_category_choices(brand.id)

    if not form.validate():
        return action_create_form_for_ticket_bundles_creation(article_id, form)

    category_id = form.category_id.data
    category = ticket_category_service.get_category(category_id)

    ticket_quantity = form.ticket_quantity.data

    order_action_registry_service.register_ticket_bundles_creation(
        article.id, category.id, ticket_quantity
    )

    flash_success(gettext('Action has been added.'))

    return redirect_to('.view', article_id=article.id)


@blueprint.delete('/actions/<uuid:action_id>')
@permission_required('shop_article.update')
@respond_no_content
def action_remove(action_id):
    """Remove the action from the article."""
    action = order_action_service.find_action(action_id)

    if action is None:
        abort(404)

    order_action_service.delete_action(action.id)

    flash_success(gettext('Action has been removed.'))


# -------------------------------------------------------------------- #
# article number sequences


@blueprint.get('/number_sequences/for_shop/<shop_id>/create')
@permission_required('shop_article.create')
@templated
def create_number_sequence_form(shop_id, erroneous_form=None):
    """Show form to create an article number sequence."""
    shop = _get_shop_or_404(shop_id)

    brand = brand_service.get_brand(shop.brand_id)

    form = (
        erroneous_form if erroneous_form else ArticleNumberSequenceCreateForm()
    )

    return {
        'shop': shop,
        'brand': brand,
        'form': form,
    }


@blueprint.post('/number_sequences/for_shop/<shop_id>')
@permission_required('shop_article.create')
def create_number_sequence(shop_id):
    """Create an article number sequence."""
    shop = _get_shop_or_404(shop_id)

    form = ArticleNumberSequenceCreateForm(request.form)
    if not form.validate():
        return create_number_sequence_form(shop_id, form)

    prefix = form.prefix.data.strip()

    creation_result = article_sequence_service.create_article_number_sequence(
        shop.id, prefix
    )
    if creation_result.is_err():
        flash_error(
            gettext(
                'Article number sequence could not be created. '
                'Is prefix "%(prefix)s" already defined?',
                prefix=prefix,
            )
        )
        return create_number_sequence_form(shop.id, form)

    flash_success(
        gettext(
            'Article number sequence with prefix "%(prefix)s" has been created.',
            prefix=prefix,
        )
    )
    return redirect_to('.index_for_shop', shop_id=shop.id)


# -------------------------------------------------------------------- #
# helpers


def _get_shop_or_404(shop_id):
    shop = shop_service.find_shop(shop_id)

    if shop is None:
        abort(404)

    return shop


def _get_article_or_404(article_id) -> Article:
    article = article_service.find_article(article_id)

    if article is None:
        abort(404)

    return article


def _get_article_type_or_400(value: str) -> ArticleType:
    try:
        return ArticleType[value]
    except KeyError:
        abort(400, f'Unknown article type "{value}"')


def _get_active_article_number_sequences_for_shop(
    shop_id: ShopID,
) -> list[ArticleNumberSequence]:
    sequences = article_sequence_service.get_article_number_sequences_for_shop(
        shop_id
    )
    return [sequence for sequence in sequences if not sequence.archived]


def _assemble_datetime_utc(d: date, t: time) -> datetime | None:
    if not d or not t:
        return None

    local_dt = datetime.combine(d, t)
    return to_utc(local_dt)

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_get_article_or_404() A last analyzed 2024-05-06 17:46 UTC

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_get_article_or_404() A
last analyzed 2024-05-06 17:46 UTC
