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""" |
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byceps.blueprints.shop.order.views |
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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:Copyright: 2006-2019 Jochen Kupperschmidt |
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:License: Modified BSD, see LICENSE for details. |
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""" |
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from flask import abort, g, request |
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from ....services.country import service as country_service |
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from ....services.party import service as party_service |
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from ....services.shop.article import service as article_service |
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from ....services.shop.article.models.compilation import ArticleCompilation |
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from ....services.shop.cart.models import Cart |
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from ....services.shop.order.email import service as order_email_service |
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from ....services.shop.order import service as order_service |
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from ....services.shop.order.transfer.models import PaymentMethod |
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from ....services.shop.shop import service as shop_service |
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from ....services.user import service as user_service |
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from ....util.framework.blueprint import create_blueprint |
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from ....util.framework.flash import flash_error, flash_notice, flash_success |
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from ....util.framework.templating import templated |
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from ....util.views import redirect_to |
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from ...authentication.decorators import login_required |
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from .forms import assemble_articles_order_form, OrderForm |
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from . import signals |
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blueprint = create_blueprint('shop_order', __name__) |
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@blueprint.route('/order') |
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@templated |
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def order_form(erroneous_form=None): |
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"""Show a form to order articles.""" |
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shop = _get_shop_or_404() |
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if shop.closed: |
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flash_notice('Der Shop ist derzeit geschlossen.') |
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return {'article_compilation': None} |
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article_compilation = article_service.get_article_compilation_for_orderable_articles( |
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shop.id |
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) |
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if article_compilation.is_empty(): |
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flash_error('Es sind keine Artikel verfügbar.') |
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return {'article_compilation': None} |
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is_logged_in = g.current_user.is_active |
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if not is_logged_in: |
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return list_articles(article_compilation) |
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user = user_service.find_user_with_details(g.current_user.id) |
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if erroneous_form: |
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form = erroneous_form |
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else: |
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ArticlesOrderForm = assemble_articles_order_form(article_compilation) |
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form = ArticlesOrderForm(obj=user.detail) |
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country_names = country_service.get_country_names() |
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return { |
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'form': form, |
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'country_names': country_names, |
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'article_compilation': article_compilation, |
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} |
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# No route registered. Intended to be called from another view function. |
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@templated |
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def list_articles(article_compilation): |
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"""List articles for anonymous users to view.""" |
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return { |
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'article_compilation': article_compilation, |
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} |
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@blueprint.route('/order', methods=['POST']) |
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@login_required |
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def order(): |
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"""Order articles.""" |
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shop = _get_shop_or_404() |
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if shop.closed: |
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flash_notice('Der Shop ist derzeit geschlossen.') |
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return order_form() |
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article_compilation = article_service.get_article_compilation_for_orderable_articles( |
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shop.id |
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) |
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if article_compilation.is_empty(): |
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flash_error('Es sind keine Artikel verfügbar.') |
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return order_form() |
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ArticlesOrderForm = assemble_articles_order_form(article_compilation) |
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form = ArticlesOrderForm(request.form) |
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if not form.validate(): |
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return order_form(form) |
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cart = form.get_cart(article_compilation) |
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if cart.is_empty(): |
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flash_error('Es wurden keine Artikel ausgewählt.') |
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return order_form(form) |
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orderer = form.get_orderer(g.current_user.id) |
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try: |
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order = _place_order(shop.id, orderer, cart) |
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except order_service.OrderFailed: |
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flash_error('Die Bestellung ist fehlgeschlagen.') |
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return order_form(form) |
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_flash_order_success(order) |
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return redirect_to('shop_orders.view', order_id=order.id) |
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@blueprint.route('/order_single/<uuid:article_id>') |
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@login_required |
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@templated |
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def order_single_form(article_id, erroneous_form=None): |
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"""Show a form to order a single article.""" |
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article = _get_article_or_404(article_id) |
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shop = _get_shop_or_404() |
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user = user_service.find_user_with_details(g.current_user.id) |
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form = erroneous_form if erroneous_form else OrderForm(obj=user.detail) |
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if shop.closed: |
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flash_notice('Der Shop ist derzeit geschlossen.') |
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return { |
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'form': form, |
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'article': None, |
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} |
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article_compilation = article_service.get_article_compilation_for_single_article( |
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article, fixed_quantity=1 |
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) |
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country_names = country_service.get_country_names() |
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if article.not_directly_orderable: |
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flash_error('Der Artikel kann nicht direkt bestellt werden.') |
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return { |
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'form': form, |
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'article': None, |
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} |
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if order_service.has_user_placed_orders(user.id, shop.id): |
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flash_error('Du kannst keine weitere Bestellung aufgeben.') |
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return { |
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'form': form, |
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'article': None, |
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} |
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if article.quantity < 1 or not article.is_available: |
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flash_error('Der Artikel ist nicht verfügbar.') |
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return { |
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'form': form, |
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'article': None, |
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} |
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return { |
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'form': form, |
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'country_names': country_names, |
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'article': article, |
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'article_compilation': article_compilation, |
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} |
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@blueprint.route('/order_single/<uuid:article_id>', methods=['POST']) |
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@login_required |
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def order_single(article_id): |
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"""Order a single article.""" |
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article = _get_article_or_404(article_id) |
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quantity = 1 |
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shop = _get_shop_or_404() |
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if shop.closed: |
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flash_notice('Der Shop ist derzeit geschlossen.') |
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return order_single_form(article.id) |
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if article.not_directly_orderable: |
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flash_error('Der Artikel kann nicht direkt bestellt werden.') |
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return order_single_form(article.id) |
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article_compilation = article_service.get_article_compilation_for_single_article( |
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article, fixed_quantity=quantity |
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) |
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user = g.current_user |
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if order_service.has_user_placed_orders(user.id, shop.id): |
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flash_error('Du kannst keine weitere Bestellung aufgeben.') |
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return order_single_form(article.id) |
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if article.quantity < 1 or not article.is_available: |
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flash_error('Der Artikel ist nicht verfügbar.') |
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return order_single_form(article.id) |
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form = OrderForm(request.form) |
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if not form.validate(): |
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return order_single_form(article.id, form) |
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orderer = form.get_orderer(user.id) |
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cart = _create_cart_from_article_compilation(article_compilation) |
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try: |
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order = _place_order(shop.id, orderer, cart) |
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except order_service.OrderFailed: |
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flash_error('Die Bestellung ist fehlgeschlagen.') |
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return order_form(form) |
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_flash_order_success(order) |
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return redirect_to('shop_orders.view', order_id=order.id) |
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def _get_shop_or_404(): |
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if g.party_id is None: |
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# No party is configured for the current site. |
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abort(404) |
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party = party_service.get_party(g.party_id) |
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if party.shop_id is None: |
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abort(404) |
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return shop_service.get_shop(party.shop_id) |
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def _get_article_or_404(article_id): |
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article = article_service.find_article(article_id) |
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if article is None: |
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abort(404) |
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return article |
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def _create_cart_from_article_compilation( |
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article_compilation: ArticleCompilation |
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) -> Cart: |
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cart = Cart() |
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for item in article_compilation: |
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cart.add_item(item.article, item.fixed_quantity) |
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return cart |
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def _place_order(shop_id, orderer, cart): |
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payment_method = PaymentMethod.bank_transfer |
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order, event = order_service.place_order( |
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shop_id, orderer, payment_method, cart |
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) |
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order_email_service.send_email_for_incoming_order_to_orderer(order.id) |
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signals.order_placed.send(None, event=event) |
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return order |
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def _flash_order_success(order): |
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flash_success( |
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'Deine Bestellung mit der ' |
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f'Bestellnummer <strong>{order.order_number}</strong> ' |
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'wurde entgegen genommen. Vielen Dank!', |
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text_is_safe=True, |
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) |
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