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""" |
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byceps.blueprints.common.user.creation.views |
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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:Copyright: 2006-2020 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, Set |
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from uuid import UUID |
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from flask import abort, g, request |
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from .....config import get_app_mode |
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from .....services.brand import settings_service as brand_settings_service |
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from .....services.consent import subject_service as consent_subject_service |
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from .....services.consent.transfer.models import Consent, Subject, 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 ( |
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settings_service as site_settings_service, |
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service as site_service, |
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) |
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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.terms.transfer.models import DocumentID as TermsDocumentID |
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from .....services.user import creation_service as user_creation_service |
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from .....signals import user as user_signals |
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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 .forms import assemble_user_create_form |
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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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required_consent_subjects = _get_required_consent_subjects() |
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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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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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if erroneous_form: |
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form = erroneous_form |
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else: |
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UserCreateForm = assemble_user_create_form( |
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real_name_required=real_name_required, |
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terms_consent_required=terms_consent_required, |
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required_consent_subjects=required_consent_subjects, |
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newsletter_offered=newsletter_offered, |
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) |
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form = UserCreateForm(terms_version_id=terms_version_id) |
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return { |
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'form': form, |
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'required_consent_subjects': required_consent_subjects, |
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} |
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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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required_consent_subjects = _get_required_consent_subjects() |
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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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newsletter_offered = newsletter_list_id is not None |
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UserCreateForm = assemble_user_create_form( |
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real_name_required=real_name_required, |
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terms_consent_required=terms_consent_required, |
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required_consent_subjects=required_consent_subjects, |
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newsletter_offered=newsletter_offered, |
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) |
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form = UserCreateForm(request.form) |
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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 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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if terms_consent_required: |
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terms_consent = _get_terms_consent(form, terms_document_id, now_utc) |
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else: |
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terms_consent = None |
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consents = { |
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_assemble_consent(subject.id, now_utc) |
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for subject in required_consent_subjects |
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} |
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newsletter_subscription = _get_newsletter_subscription( |
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newsletter_offered, form, newsletter_list_id, 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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consents=consents, |
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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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user_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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1 |
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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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1 |
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if get_app_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 _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 site setting `real_name_required`. |
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""" |
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value = _find_site_setting_value('real_name_required') |
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return value != 'false' |
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def _get_required_consent_subjects() -> Set[Subject]: |
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"""Return the consent subjects required for this brand.""" |
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1 |
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subject_ids = set() |
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192
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1 |
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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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1 |
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if privacy_policy_consent_subject_id is not None: |
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subject_ids.add(privacy_policy_consent_subject_id) |
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return consent_subject_service.get_subjects(subject_ids) |
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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 UUID(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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1 |
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if not value: |
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return None |
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return NewsletterListID(value) |
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225
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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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def _find_site_setting_value(setting_name: str) -> Optional[str]: |
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"""Return the value configured for this site and the given setting |
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name, or `None` if not configured. |
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""" |
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return site_settings_service.find_setting_value(g.site_id, setting_name) |
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238
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239
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def _get_terms_consent( |
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240
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form, terms_document_id: TermsDocumentID, expressed_at: datetime, |
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) -> Consent: |
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1 |
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terms_version_id = form.terms_version_id.data |
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1 |
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consent_to_terms = form.consent_to_terms.data |
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244
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245
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1 |
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terms_version = terms_version_service.find_version(terms_version_id) |
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1 |
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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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return _assemble_consent(terms_version.consent_subject_id, expressed_at) |
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251
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252
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def _assemble_consent(subject_id: SubjectID, expressed_at: datetime) -> Consent: |
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1 |
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return Consent( |
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user_id=None, # not available at this point |
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subject_id=subject_id, |
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expressed_at=expressed_at, |
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) |
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259
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260
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1 |
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def _get_newsletter_subscription( |
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261
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newsletter_offered: bool, |
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262
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form, |
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263
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newsletter_list_id: NewsletterListID, |
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264
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expressed_at: datetime, |
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265
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) -> Optional[NewsletterSubscription]: |
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266
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1 |
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if not newsletter_offered: |
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return None |
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268
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269
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1 |
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subscribe_to_newsletter = form.subscribe_to_newsletter.data |
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270
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1 |
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if not subscribe_to_newsletter: |
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271
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1 |
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return None |
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272
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273
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1 |
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return _assemble_newsletter_subscription(newsletter_list_id, expressed_at) |
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274
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275
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276
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1 |
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def _assemble_newsletter_subscription( |
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277
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newsletter_list_id: NewsletterListID, expressed_at: datetime |
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278
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) -> NewsletterSubscription: |
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279
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1 |
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return NewsletterSubscription( |
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280
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user_id=None, # not available at this point |
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281
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list_id=newsletter_list_id, |
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282
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expressed_at=expressed_at, |
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283
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) |
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284
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byceps /
byceps
