Add secondary email to notification preferences

* this enables users to set an alternative email address to which
  notifications will be sent, in case they don't like to use their
  institutional email address

invenio_config_tuw/config.py

@@ -45,6 +45,7 @@ from .users import (
     tuw_registration_form,
 )
 from .users.utils import check_user_email_for_tuwien, current_user_as_creator
+from .users.views import notification_settings
 
 # Invenio-Config-TUW
 # ==================
@@ -386,3 +387,5 @@ NOTIFICATIONS_BACKENDS = {
     **NOTIFICATIONS_BACKENDS,
     TUWEmailNotificationBackend.id: TUWEmailNotificationBackend(),
 }
+
+NOTIFICATIONS_SETTINGS_VIEW_FUNCTION = notification_settings

invenio_config_tuw/notifications/backends.py

@@ -32,6 +32,12 @@ class TUWEmailNotificationBackend(EmailNotificationBackend):
         if site_id:
             subject = f"[{site_id}] {subject}"
 
+        secondary_email = (
+            recipient.data.get("preferences", {})
+            .get("notifications", {})
+            .get("secondary_email", None)
+        )
+
         resp = send_email(
             {
                 "subject": subject,
@@ -40,6 +46,7 @@ class TUWEmailNotificationBackend(EmailNotificationBackend):
                 "recipients": [
                     recipient.data.get("email") or recipient.data.get("email_hidden")
                 ],
+                "cc": [secondary_email] if secondary_email else [],
                 "sender": current_app.config["MAIL_DEFAULT_SENDER"],
                 "reply_to": current_app.config["MAIL_DEFAULT_REPLY_TO"],
                 "extra_headers": {

invenio_config_tuw/users/preferences.py

@@ -8,7 +8,8 @@
 """Form for curation-related user settings, inspired by the notifications settings."""
 
 from flask_wtf import FlaskForm
-from wtforms import BooleanField
+from invenio_users_resources.forms import NotificationsForm
+from wtforms import BooleanField, EmailField
 
 
 class CurationPreferencesProxy:
@@ -62,3 +63,15 @@ class CurationPreferencesForm(FlaskForm):
         """Populate the object."""
         user = self.proxy_cls(user)
         return super().populate_obj(user)
+
+
+class TUWNotificationsForm(NotificationsForm):
+    """Form for editing user notification preferences."""
+
+    secondary_email = EmailField(
+        label="Secondary email",
+        description=(
+            "Secondary email address for notifications. "
+            "If set, this email address will be added in CC."
+        ),
+    )

invenio_config_tuw/users/schemas.py

@@ -11,7 +11,10 @@ from invenio_app_rdm.users.schemas import NotificationsUserSchema as UserSchema
 from invenio_app_rdm.users.schemas import (
     UserPreferencesNotificationsSchema as UserPreferencesSchema,
 )
-from invenio_users_resources.services.schemas import UserProfileSchema
+from invenio_users_resources.services.schemas import (
+    NotificationPreferences,
+    UserProfileSchema,
+)
 from marshmallow import fields
 
 
@@ -25,10 +28,17 @@ class TUWUserProfileSchema(UserProfileSchema):
 
 
 # preferences
+class TUWNotificationPreferencesSchema(NotificationPreferences):
+    """Schema for notification preferences."""
+
+    secondary_email = fields.Email()
+
+
 class TUWUserPreferencesSchema(UserPreferencesSchema):
     """User preferences schema with TU Wien extensions."""
 
     curation_consent = fields.Boolean(default=False)
+    notifications = fields.Nested(TUWNotificationPreferencesSchema)
 
 
 # complete user schema

invenio_config_tuw/users/templates/notifications_settings.html

+{# -*- coding: utf-8 -*-
+
+This file is part of Invenio.
+Copyright (C) 2023 Graz University of Technology.
+Copyright (C) 2025 TU Wien.
+
+Invenio-Config-TUW is free software; you can redistribute it and/or
+modify it under the terms of the MIT License; see LICENSE file for more
+details.
+#}
+{#- base: invenio_users_resources v5.2.0 -#}
+{#- file: invenio_users_resources/templates/semantic-ui/invenio_users_resources/settings/notifications.html -#}
+{#- changes: rewording & mild restructuring, adding input for secondary email; see "change:" comments in the code #}
+
+{%- extends config.USERPROFILES_SETTINGS_TEMPLATE %}
+{% from "invenio_userprofiles/settings/_macros.html" import render_field, form_errors %}
+
+{%- block settings_content scoped %}
+  <section aria-label="{{ _('Notifications') }}" class="ui segments">
+    <div class="ui segment secondary">
+      <i class="bell icon" aria-hidden="true"></i>
+      <h2 class="ui tiny header inline-block m-0">{{ _("Notifications") }}</h2>
+    </div>
+    <div class="ui segment">
+      <form {% if not read_only %}method="POST" {% endif %} name="notifications_form" class="ui form">
+
+        <div class="ui four column grid">
+          <div class="two column stackable tablet-mobile row">
+            <div class="column">
+              {%- set form = notifications_form %}
+              {%- for field in form %}
+                {%- if field.widget.input_type == 'hidden' %}
+                  {{ field() }}
+                {%- endif %}
+              {%- endfor %}
+
+              {#- change: create vars for other fields -#}
+              {%- set enabled_field = form.enabled %}
+              {%- set secondary_email_field = form.secondary_email %}
+              {%- set matrix_user_id_field = form.matrix_user_id %}
+              {%- set notif_enabled = current_user.preferences.get("notifications", {}).get("enabled", True) %}
+
+              <div class="field">
+                <label for="{{ enabled_field.id }}">{{ enabled_field.label }}</label>
+                {#- change: add contextual text, and restructure input #}
+                <p>
+                  <small>
+                    Note that this setting only affects <strong>automatic notifications</strong>.
+                    Contact requests will still be sent to both primary and secondary email address, regardless of this setting.
+                  </small>
+                </p>
+                <div class="ui toggle on-off checkbox">
+                  <input type="checkbox" name="{{ enabled_field.id }}" id="{{ enabled_field.id }}" {{ "checked" if notif_enabled else "" }}>
+                  <label>
+                    <small class="ml-10">{{ enabled_field.description }}</small>
+                  </label>
+                </div>
+
+              </div>
+            </div>
+
+            <div class="column">
+              {#- change: remove use of url_for() #}
+              <div class="field">
+                <label>{{ _("Primary email") }}</label>
+                <p>
+                  <small>
+                    {#- change: remove mention of changing email address #}
+                    {% trans %}
+                      We use your primary email address for sending notifications.
+                    {% endtrans %}
+                  </small>
+                </p>
+
+                <div class="ui basic label large ml-0">{{ current_user.email }}</div>
+              </div>
+
+              {#- change: add input for secondary email address #}
+              <div class="field">
+                <label for="{{ secondary_email_field.id }}">{{ secondary_email_field.label }}</label>
+                <p>
+                  <small>
+                    {{ secondary_email_field.description }}
+                  </small>
+                </p>
+
+                <div class="ui">
+                  <input
+                    type="email" name="{{ secondary_email_field.id }}" id="{{ secondary_email_field.id }}"
+                    value={{ current_user.preferences.get("notifications", {}).get("secondary_email", "") }}>
+                </div>
+              </div>
+            </div>
+            {{ form.id }}
+            <div class="one column row">
+              <div class="form-actions">
+                <a href="./" class="ui labeled icon button mt-5">
+                  <i class="close icon" aria-hidden="true"></i> {{ _('Cancel') }}
+                </a>
+                <button type="submit" name="submit" value="{{ form._prefix }}" class="ui primary labeled icon button mt-5">
+                  <i class="check icon" aria-hidden="true"></i>
+                  {{ _('Update notification preferences') }}
+                </button>
+              </div>
+            </div>
+          </div>
+        </div>
+      </form>
+    </div>
+  </section>
+{% endblock settings_content%}

invenio_config_tuw/users/views.py

@@ -9,9 +9,11 @@
 
 from flask import Blueprint, current_app, flash, render_template, request
 from flask_login import current_user, login_required
+from invenio_app_rdm.theme.views import handle_notifications_form
 from invenio_db import db
+from invenio_i18n import lazy_gettext as _
 
-from .preferences import CurationPreferencesForm
+from .preferences import CurationPreferencesForm, TUWNotificationsForm
 
 user_settings_blueprint = Blueprint(
     "invenio_config_tuw_settings",
@@ -44,3 +46,29 @@ def curation_settings_view():
         ["invenio_theme_tuw/settings/curation.html", "curation_settings.html"],
         preferences_curation_form=preferences_curation_form,
     )
+
+
+def notification_settings():
+    """View for notification settings."""
+    preferences_notifications_form = TUWNotificationsForm(
+        formdata=None, obj=current_user, prefix="preferences-notifications"
+    )
+
+    # Pick form
+    form_name = request.form.get("submit", None)
+    form = preferences_notifications_form if form_name else None
+
+    # Process form
+    if form:
+        form.process(formdata=request.form)
+        if form.validate_on_submit():
+            handle_notifications_form(form)
+            flash(_("Notification preferences were updated."), category="success")
+
+    return render_template(
+        [
+            "invenio_theme_tuw/notifications_settings.html",
+            "notifications_settings.html",
+        ],
+        notifications_form=preferences_notifications_form,
+    )