System email templates

indico/migrations/versions/20251212_2142_86873b143da2_add_email_template_model.py

@@ -0,0 +1,42 @@
+"""Add email template model
+
+Revision ID: 86873b143da2
+Revises: 932389d22b1f
+Create Date: 2025-09-12 21:42:26.537009
+"""
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy.dialects import postgresql
+
+
+# revision identifiers, used by Alembic.
+revision = '86873b143da2'
+down_revision = '932389d22b1f'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table('email_templates',
+                    sa.Column('id', sa.Integer(), nullable=False),
+                    sa.Column('title', sa.String(), nullable=False),
+                    sa.Column('type', sa.String(), nullable=False),
+                    sa.Column('status', sa.String(), nullable=False),
+                    sa.Column('subject', sa.String(), nullable=False),
+                    sa.Column('body', sa.Text(), nullable=False),
+                    sa.Column('event_id', sa.Integer(), nullable=True, index=True),
+                    sa.Column('category_id', sa.Integer(), nullable=True, index=True),
+                    sa.Column('rules', postgresql.JSONB(astext_type=sa.Text()), nullable=False),
+                    sa.Column('is_active', sa.Boolean(), nullable=False),
+                    sa.Column('is_system_template', sa.Boolean(), nullable=False),
+                    sa.CheckConstraint('(event_id IS NULL) != (category_id IS NULL)',
+                                       name='event_xor_category_id_null'),
+                    sa.ForeignKeyConstraint(['category_id'], ['categories.categories.id']),
+                    sa.ForeignKeyConstraint(['event_id'], ['events.events.id']),
+                    sa.PrimaryKeyConstraint('id'),
+                    schema='indico')
+
+
+def downgrade():
+    op.drop_table('email_templates', schema='indico')

indico/modules/designer/controllers.py

@@ -197,9 +197,13 @@ class CloneTemplateMixin(TargetFromURLMixin):
     def _check_access(self):
         if not self.target.can_manage(session.user):
             raise Forbidden
+        elif isinstance(self.target, Event):
+            check_event_locked(self, self.target)
 
     def _process_args(self):
         self.template = DesignerTemplate.get_or_404(request.view_args['template_id'])
+        if self.target.is_deleted:
+            raise NotFound
 
     def clone_template(self, target=None):
         title = f'{self.template.title} (copy)'

indico/modules/email_templates/__init__.py

@@ -0,0 +1,29 @@
+# This file is part of Indico.
+# Copyright (C) 2002 - 2025 CERN
+#
+# Indico is free software; you can redistribute it and/or
+# modify it under the terms of the MIT License; see the
+# LICENSE file for more details.
+
+from flask import session
+
+from indico.core import signals
+from indico.util.i18n import _
+from indico.web.flask.util import url_for
+from indico.web.menu import SideMenuItem
+
+
+@signals.menu.items.connect_via('event-management-sidemenu')
+def _event_sidemenu_items(sender, event, **kwargs):
+    if event.can_manage(session.user):
+        return SideMenuItem('email_templates', _('Email Templates'),
+                            url_for('email_templates.email_template_list', event),
+                            section='customization')
+
+
+@signals.menu.items.connect_via('category-management-sidemenu')
+def _category_sidemenu_items(sender, category, **kwargs):
+    if category.can_manage(session.user):
+        return SideMenuItem('email_templates', _('Email Templates'),
+                            url_for('email_templates.email_template_list', category),
+                            weight=50, icon='mail')

indico/modules/email_templates/blueprint.py

@@ -0,0 +1,55 @@
+# This file is part of Indico.
+# Copyright (C) 2002 - 2025 CERN
+#
+# Indico is free software; you can redistribute it and/or
+# modify it under the terms of the MIT License; see the
+# LICENSE file for more details.
+
+from indico.modules.email_templates.controllers import (RHAddCategoryEmailTemplate, RHAddEventEmailTemplate,
+                                                        RHCloneCategoryEmailTemplate,
+                                                        RHCloneCategorySystemEmailTemplate, RHCloneEventEmailTemplate,
+                                                        RHCloneEventSystemEmailTemplate, RHDeleteEmailTemplate,
+                                                        RHEditEmailTemplate, RHListCategoryEmailTemplates,
+                                                        RHListEventEmailTemplates, RHViewCategoryEmailTemplate,
+                                                        RHViewEventEmailTemplate)
+from indico.util.caching import memoize
+from indico.web.flask.util import make_view_func
+from indico.web.flask.wrappers import IndicoBlueprint
+
+
+_bp = IndicoBlueprint('email_templates', __name__, template_folder='templates',
+                      virtual_template_folder='email_templates')
+
+
+@memoize
+def _dispatch(event_rh, category_rh):
+    event_view = make_view_func(event_rh)
+    categ_view = make_view_func(category_rh)
+
+    def view_func(**kwargs):
+        return categ_view(**kwargs) if kwargs['object_type'] == 'category' else event_view(**kwargs)
+
+    return view_func
+
+
+for object_type in ('event', 'category'):
+    prefix = f'/{object_type}/<int:{object_type}_id>/manage/email_templates'
+    _bp.add_url_rule(f'{prefix}/', 'email_template_list',
+                     _dispatch(RHListEventEmailTemplates, RHListCategoryEmailTemplates),
+                     defaults={'object_type': object_type})
+    _bp.add_url_rule(f'{prefix}/add', 'add_email_template',
+                     _dispatch(RHAddEventEmailTemplate, RHAddCategoryEmailTemplate),
+                     defaults={'object_type': object_type}, methods=('GET', 'POST'))
+    _bp.add_url_rule(f'{prefix}/<int:email_template_id>/', 'edit_email_template',
+                     RHEditEmailTemplate, defaults={'object_type': object_type}, methods=('GET', 'POST'))
+    _bp.add_url_rule(f'{prefix}/<int:email_template_id>', 'delete_email_template',
+                     RHDeleteEmailTemplate, defaults={'object_type': object_type}, methods=('DELETE',))
+    _bp.add_url_rule(f'{prefix}/<int:email_template_id>/clone', 'clone_email_template',
+                     _dispatch(RHCloneEventEmailTemplate, RHCloneCategoryEmailTemplate),
+                     defaults={'object_type': object_type}, methods=('GET', 'POST'))
+    _bp.add_url_rule(f'{prefix}/<email_template_name>/view-system-template', 'view_system_email_template',
+                     _dispatch(RHViewEventEmailTemplate, RHViewCategoryEmailTemplate),
+                     defaults={'object_type': object_type}, methods=('GET', 'POST'))
+    _bp.add_url_rule(f'{prefix}/<email_template_name>/system-template/clone', 'clone_system_email_template',
+                     _dispatch(RHCloneEventSystemEmailTemplate, RHCloneCategorySystemEmailTemplate),
+                     defaults={'object_type': object_type}, methods=('GET', 'POST'))