Allow setting event-wide contribution duration

- This resolves indico#3446.

indico/modules/events/contributions/blueprint.py

@@ -103,6 +103,10 @@
 _bp.add_url_rule('/manage/contributions/types/<int:contrib_type_id>/delete', 'delete_type',
                  management.RHDeleteContributionType, methods=('POST',))
 
+# Default contribution duration
+_bp.add_url_rule('/manage/contributions/duration/', 'manage_default_duration',
+                 management.RHManageDefaultContributionDuration, methods=('GET', 'POST',))
+
 # Custom contribution fields
 _bp.add_url_rule('/manage/contributions/fields/', 'manage_fields', management.RHManageContributionFields)
 _bp.add_url_rule('/manage/contributions/fields/create/<field_type>', 'create_field',

indico/modules/events/contributions/controllers/management.py

@@ -16,6 +16,7 @@
 
 from __future__ import unicode_literals
 
+from datetime import timedelta
 from operator import attrgetter
 
 from flask import flash, jsonify, redirect, request, session
@@ -25,16 +26,17 @@
 from indico.core.db import db
 from indico.core.db.sqlalchemy.protection import ProtectionMode, render_acl
 from indico.core.permissions import get_principal_permissions
+from indico.core.settings.converters import TimedeltaConverter
 from indico.legacy.pdfinterface.conference import ContribsToPDF, ContributionBook
 from indico.modules.attachments.controllers.event_package import AttachmentPackageGeneratorMixin
 from indico.modules.events.abstracts.forms import AbstractContentSettingsForm
 from indico.modules.events.abstracts.settings import abstracts_settings
 from indico.modules.events.contributions import get_contrib_field_types
 from indico.modules.events.contributions.clone import ContributionCloner
 from indico.modules.events.contributions.controllers.common import ContributionListMixin
-from indico.modules.events.contributions.forms import (ContributionDurationForm, ContributionProtectionForm,
-                                                       ContributionStartDateForm, ContributionTypeForm,
-                                                       SubContributionForm)
+from indico.modules.events.contributions.forms import (ContributionDefaultDurationForm, ContributionDurationForm,
+                                                       ContributionProtectionForm, ContributionStartDateForm,
+                                                       ContributionTypeForm, SubContributionForm)
 from indico.modules.events.contributions.lists import ContributionListGenerator
 from indico.modules.events.contributions.models.contributions import Contribution
 from indico.modules.events.contributions.models.fields import ContributionField
@@ -54,6 +56,7 @@
 from indico.modules.events.models.references import ReferenceType
 from indico.modules.events.operations import update_permissions
 from indico.modules.events.sessions import Session
+from indico.modules.events.settings import event_core_settings
 from indico.modules.events.timetable.forms import ImportContributionsForm
 from indico.modules.events.timetable.operations import update_timetable_entry
 from indico.modules.events.tracks.models.tracks import Track
@@ -175,8 +178,10 @@ class RHCreateContribution(RHManageContributionsBase):
     def _process(self):
         inherited_location = self.event.location_data
         inherited_location['inheriting'] = True
+        default_duration = TimedeltaConverter.to_python(event_core_settings.get(self.event, 'contrib_duration'))
         contrib_form_class = make_contribution_form(self.event)
-        form = contrib_form_class(obj=FormDefaults(location_data=inherited_location), event=self.event)
+        form = contrib_form_class(obj=FormDefaults(location_data=inherited_location), event=self.event,
+                                  duration=default_duration)
         if form.validate_on_submit():
             # Create empty contribution so it can be compared to the new one in flash_if_unregistered
             contrib = Contribution()
@@ -496,6 +501,18 @@ def _process(self):
                                 contrib_types=contrib_types)
 
 
+class RHManageDefaultContributionDuration(RHManageContributionsBase):
+    """Dialog to manage the event-wide contribution duration"""
+
+    def _process(self):
+        default_duration = TimedeltaConverter.to_python(event_core_settings.get(self.event, 'contrib_duration'))
+        form = ContributionDefaultDurationForm(duration=default_duration)
+        if form.validate_on_submit():
+            event_core_settings.set(self.event, 'contrib_duration', form.duration.data.seconds)
+            return jsonify_data(flash=False)
+        return jsonify_form(form)
+
+
 class RHManageContributionTypeBase(RHManageContributionsBase):
     """Manage a contribution type of an event"""
 

indico/modules/events/contributions/forms.py

@@ -183,6 +183,11 @@ def validate_duration(self, field):
                 raise ValidationError(error_msg)
 
 
+class ContributionDefaultDurationForm(IndicoForm):
+    duration = TimeDeltaField(_('Duration'), [DataRequired(), MaxDuration(timedelta(days=1))],
+                              default=timedelta(minutes=20), units=('minutes', 'hours'))
+
+
 class ContributionTypeForm(IndicoForm):
     """Form to create or edit a ContributionType"""
 

indico/modules/events/contributions/templates/management/contributions.html

@@ -22,6 +22,15 @@
                    data-ajax-dialog>
                     {% trans %}Contribution types{% endtrans %}</a>
             </li>
+            <li>
+                <a href="#"
+                   title="{% trans %}Set default contribution duration{% endtrans %}"
+                   data-title="{% trans %}Set event-wide contribution duration{% endtrans %}"
+                   data-href="{{ url_for('.manage_default_duration', event) }}"
+                   data-qtip-position="right"
+                   data-ajax-dialog>
+                    {% trans %}Contribution duration{% endtrans %}</a>
+            </li>
             <li>
                 <a href="#"
                    title="{% trans %}Manage custom fields{% endtrans %}"

indico/modules/events/models/events.py

@@ -419,6 +419,7 @@ def __table_args__(cls):
     end_dt_override = _EventSettingProperty(event_core_settings, 'end_dt_override')
     organizer_info = _EventSettingProperty(event_core_settings, 'organizer_info')
     additional_info = _EventSettingProperty(event_core_settings, 'additional_info')
+    contrib_duration = _EventSettingProperty(event_core_settings, 'contrib_duration')
     contact_title = _EventSettingProperty(event_contact_settings, 'title')
     contact_emails = _EventSettingProperty(event_contact_settings, 'emails')
     contact_phones = _EventSettingProperty(event_contact_settings, 'phones')

indico/modules/events/settings.py

@@ -18,14 +18,15 @@
 
 import os
 import re
+from datetime import timedelta
 from functools import wraps
 
 import yaml
 from flask.helpers import get_root_path
 
 from indico.core import signals
 from indico.core.settings import ACLProxyBase, SettingProperty, SettingsProxyBase
-from indico.core.settings.converters import DatetimeConverter
+from indico.core.settings.converters import DatetimeConverter, TimedeltaConverter
 from indico.core.settings.util import get_all_settings, get_setting, get_setting_acl
 from indico.modules.events.models.settings import EventSetting, EventSettingPrincipal
 from indico.util.caching import memoize
@@ -250,7 +251,8 @@ def get_themes_for(self, event_type):
     'start_dt_override': None,
     'end_dt_override': None,
     'organizer_info': '',
-    'additional_info': ''
+    'additional_info': '',
+    'contrib_duration': TimedeltaConverter.from_python(timedelta(minutes=20))
 }, converters={
     'start_dt_override': DatetimeConverter,
     'end_dt_override': DatetimeConverter