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""" |
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byceps.blueprints.user.creation.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 datetime import datetime |
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from typing import Optional |
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from flask import abort, g, request |
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from ....config import get_site_mode |
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from ....services.brand import settings_service as brand_settings_service |
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from ....services.consent.transfer.models import Consent, SubjectID |
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from ....services.newsletter.transfer.models import ( |
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ListID as NewsletterListID, |
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Subscription as NewsletterSubscription, |
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) |
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from ....services.site import service as site_service |
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from ....services.terms import document_service as terms_document_service |
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from ....services.terms import version_service as terms_version_service |
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from ....services.user import creation_service as user_creation_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_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 .. import signals |
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from .forms import UserCreateForm |
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blueprint = create_blueprint('user_creation', __name__) |
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@blueprint.route('/create') |
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@templated |
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def create_form(erroneous_form=None): |
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"""Show a form to create a user.""" |
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_abort_if_user_account_creation_disabled() |
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terms_version = terms_version_service.find_current_version_for_brand( |
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g.brand_id |
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) |
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privacy_policy_consent_subject_id = ( |
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_find_privacy_policy_consent_subject_id() |
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) |
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newsletter_list_id = _find_newsletter_list_for_brand() |
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real_name_required = _is_real_name_required() |
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terms_consent_required = (terms_version is not None) |
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privacy_policy_consent_required \ |
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= (privacy_policy_consent_subject_id is not None) |
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newsletter_offered = (newsletter_list_id is not None) |
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if terms_consent_required: |
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terms_version_id = terms_version.id |
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else: |
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terms_version_id = None |
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form = erroneous_form if erroneous_form \ |
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else UserCreateForm(terms_version_id=terms_version_id) |
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_adjust_create_form( |
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form, |
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real_name_required, |
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terms_consent_required, |
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privacy_policy_consent_required, |
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newsletter_offered, |
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) |
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return {'form': form} |
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@blueprint.route('/', methods=['POST']) |
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def create(): |
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"""Create a user.""" |
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_abort_if_user_account_creation_disabled() |
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terms_document_id = terms_document_service.find_document_id_for_brand( |
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g.brand_id |
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) |
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privacy_policy_consent_subject_id = ( |
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_find_privacy_policy_consent_subject_id() |
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) |
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newsletter_list_id = _find_newsletter_list_for_brand() |
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real_name_required = _is_real_name_required() |
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terms_consent_required = (terms_document_id is not None) |
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privacy_policy_consent_required \ |
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= (privacy_policy_consent_subject_id is not None) |
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newsletter_offered = (newsletter_list_id is not None) |
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form = UserCreateForm(request.form) |
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_adjust_create_form( |
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form, |
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real_name_required, |
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terms_consent_required, |
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privacy_policy_consent_required, |
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newsletter_offered, |
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) |
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if not form.validate(): |
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return create_form(form) |
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screen_name = form.screen_name.data.strip() |
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email_address = form.email_address.data.strip().lower() |
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password = form.password.data |
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now_utc = datetime.utcnow() |
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if user_service.is_screen_name_already_assigned(screen_name): |
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flash_error( |
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'Dieser Benutzername ist bereits einem Benutzerkonto zugeordnet.' |
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) |
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return create_form(form) |
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if user_service.is_email_address_already_assigned(email_address): |
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flash_error( |
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'Diese E-Mail-Adresse ist bereits einem Benutzerkonto zugeordnet.' |
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) |
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return create_form(form) |
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if real_name_required: |
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first_names = form.first_names.data.strip() |
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last_name = form.last_name.data.strip() |
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else: |
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first_names = None |
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last_name = None |
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terms_consent = None |
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if terms_consent_required: |
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terms_version_id = form.terms_version_id.data |
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consent_to_terms = form.consent_to_terms.data |
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terms_version = terms_version_service.find_version(terms_version_id) |
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if terms_version.document_id != terms_document_id: |
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abort(400, 'Die AGB-Version gehört nicht zu dieser Veranstaltung.') |
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terms_consent = Consent( |
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user_id=None, # not available at this point |
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subject_id=terms_version.consent_subject_id, |
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expressed_at=now_utc, |
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) |
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privacy_policy_consent = None |
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if privacy_policy_consent_required: |
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privacy_policy_consent = Consent( |
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user_id=None, # not available at this point |
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subject_id=privacy_policy_consent_subject_id, |
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expressed_at=now_utc, |
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) |
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newsletter_subscription = None |
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if newsletter_offered: |
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subscribe_to_newsletter = form.subscribe_to_newsletter.data |
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if subscribe_to_newsletter: |
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newsletter_subscription = NewsletterSubscription( |
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user_id=None, # not available at this point |
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list_id=newsletter_list_id, |
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expressed_at=now_utc, |
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) |
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try: |
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user, event = user_creation_service.create_user( |
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screen_name, |
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email_address, |
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password, |
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first_names, |
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last_name, |
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g.site_id, |
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terms_consent=terms_consent, |
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privacy_policy_consent=privacy_policy_consent, |
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newsletter_subscription=newsletter_subscription, |
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) |
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except user_creation_service.UserCreationFailed: |
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flash_error( |
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f'Das Benutzerkonto für "{screen_name}" konnte nicht angelegt werden.' |
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) |
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return create_form(form) |
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flash_success( |
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f'Das Benutzerkonto für "{user.screen_name}" wurde angelegt. ' |
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'Bevor du dich damit anmelden kannst, muss zunächst der Link in ' |
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'der an die angegebene Adresse verschickten E-Mail besucht werden.', |
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) |
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signals.account_created.send(None, event=event) |
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return redirect_to('authentication.login_form') |
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def _abort_if_user_account_creation_disabled(): |
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if not _is_user_account_creation_enabled(): |
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flash_error('Das Erstellen von Benutzerkonten ist deaktiviert.') |
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abort(403) |
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def _is_user_account_creation_enabled(): |
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if get_site_mode().is_admin(): |
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return False |
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site = site_service.get_site(g.site_id) |
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return site.user_account_creation_enabled |
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def _adjust_create_form( |
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form, |
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real_name_required, |
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terms_consent_required, |
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privacy_policy_consent_required, |
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newsletter_offered, |
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): |
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if not real_name_required: |
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del form.first_names |
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del form.last_name |
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if not terms_consent_required: |
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del form.terms_version_id |
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del form.consent_to_terms |
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if not privacy_policy_consent_required: |
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del form.consent_to_privacy_policy |
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if not newsletter_offered: |
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del form.subscribe_to_newsletter |
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def _is_real_name_required() -> bool: |
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"""Return `True` if real name is required. |
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By default, real name is required. It can be disabled by configuring |
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the string `false` for the brand setting `real_name_required`. |
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""" |
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value = _find_brand_setting_value('real_name_required') |
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return value != 'false' |
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def _find_privacy_policy_consent_subject_id() -> Optional[SubjectID]: |
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"""Return the privacy policy consent subject ID configured for this |
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brand, or `None` if none is configured. |
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""" |
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value = _find_brand_setting_value('privacy_policy_consent_subject_id') |
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if not value: |
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return None |
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return SubjectID(value) |
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def _find_newsletter_list_for_brand() -> Optional[NewsletterListID]: |
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"""Return the newsletter list configured for this brand, or `None` |
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if none is configured. |
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""" |
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value = _find_brand_setting_value('newsletter_list_id') |
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if not value: |
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return None |
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return NewsletterListID(value) |
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def _find_brand_setting_value(setting_name: str) -> Optional[str]: |
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"""Return the value configured for this brand and the given setting |
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name, or `None` if not configured. |
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""" |
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return brand_settings_service.find_setting_value(g.brand_id, setting_name) |
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