Display a timeline on the dashboard (#1290)

* Timeline data model

* Display timeline

* …

* More events

* Plugin support

* Fix docs typo

src/pretix/base/signals.py

@@ -515,3 +515,12 @@ dictionaries as values that contain keys like in the following example::
 The evaluate member will be called with the order position, order and event as arguments. The event might
 also be a subevent, if applicable.
 """
+
+
+timeline_events = EventPluginSignal()
+"""
+This signal is sent out to collect events for the time line shown on event dashboards. You are passed
+a ``subevent`` argument which might be none and you are expected to return a list of instances of
+``pretix.base.timeline.TimelineEvent``, which is a ``namedtuple`` with the fields ``event``, ``subevent``,
+``datetime``, ``description`` and ``edit_url``.
+"""

src/pretix/base/timeline.py

@@ -0,0 +1,189 @@
+from collections import namedtuple
+from datetime import timedelta
+
+from django.db.models import Q
+from django.urls import reverse
+from django.utils.translation import pgettext_lazy
+
+from pretix.base.reldate import RelativeDateWrapper
+from pretix.base.signals import timeline_events
+
+TimelineEvent = namedtuple('TimelineEvent', ('event', 'subevent', 'datetime', 'description', 'edit_url'))
+
+
+def timeline_for_event(event, subevent=None):
+    tl = []
+    ev = subevent or event
+    if subevent:
+        ev_edit_url = reverse(
+            'control:event.subevent', kwargs={
+                'event': event.slug,
+                'organizer': event.organizer.slug,
+                'subevent': subevent.pk
+            }
+        )
+    else:
+        ev_edit_url = reverse(
+            'control:event.settings', kwargs={
+                'event': event.slug,
+                'organizer': event.organizer.slug
+            }
+        )
+
+    tl.append(TimelineEvent(
+        event=event, subevent=subevent,
+        datetime=ev.date_from,
+        description=pgettext_lazy('timeline', 'Your event starts'),
+        edit_url=ev_edit_url
+    ))
+
+    if ev.date_to:
+        tl.append(TimelineEvent(
+            event=event, subevent=subevent,
+            datetime=ev.date_to,
+            description=pgettext_lazy('timeline', 'Your event ends'),
+            edit_url=ev_edit_url
+        ))
+
+    if ev.date_admission:
+        tl.append(TimelineEvent(
+            event=event, subevent=subevent,
+            datetime=ev.date_admission,
+            description=pgettext_lazy('timeline', 'Admissions for your event start'),
+            edit_url=ev_edit_url
+        ))
+
+    if ev.presale_start:
+        tl.append(TimelineEvent(
+            event=event, subevent=subevent,
+            datetime=ev.presale_start,
+            description=pgettext_lazy('timeline', 'Start of ticket sales'),
+            edit_url=ev_edit_url
+        ))
+
+    if ev.presale_end:
+        tl.append(TimelineEvent(
+            event=event, subevent=subevent,
+            datetime=ev.presale_end,
+            description=pgettext_lazy('timeline', 'End of ticket sales'),
+            edit_url=ev_edit_url
+        ))
+
+    rd = event.settings.get('last_order_modification_date', as_type=RelativeDateWrapper)
+    if rd:
+        tl.append(TimelineEvent(
+            event=event, subevent=subevent,
+            datetime=rd.datetime(ev),
+            description=pgettext_lazy('timeline', 'Customers can no longer modify their orders'),
+            edit_url=ev_edit_url
+        ))
+
+    rd = event.settings.get('payment_term_last', as_type=RelativeDateWrapper)
+    if rd:
+        tl.append(TimelineEvent(
+            event=event, subevent=subevent,
+            datetime=rd.datetime(ev),
+            description=pgettext_lazy('timeline', 'No more payments can be completed'),
+            edit_url=reverse('control:event.settings.payment', kwargs={
+                'event': event.slug,
+                'organizer': event.organizer.slug
+            })
+        ))
+
+    rd = event.settings.get('ticket_download_date', as_type=RelativeDateWrapper)
+    if rd and event.settings.ticket_download:
+        tl.append(TimelineEvent(
+            event=event, subevent=subevent,
+            datetime=rd.datetime(ev),
+            description=pgettext_lazy('timeline', 'Tickets can be downloaded'),
+            edit_url=reverse('control:event.settings.tickets', kwargs={
+                'event': event.slug,
+                'organizer': event.organizer.slug
+            })
+        ))
+
+    rd = event.settings.get('cancel_allow_user_until', as_type=RelativeDateWrapper)
+    if rd and event.settings.cancel_allow_user:
+        tl.append(TimelineEvent(
+            event=event, subevent=subevent,
+            datetime=rd.datetime(ev),
+            description=pgettext_lazy('timeline', 'Customers can no longer cancel free or unpaid orders'),
+            edit_url=reverse('control:event.settings.tickets', kwargs={
+                'event': event.slug,
+                'organizer': event.organizer.slug
+            })
+        ))
+
+    rd = event.settings.get('cancel_allow_user_paid_until', as_type=RelativeDateWrapper)
+    if rd and event.settings.cancel_allow_user_paid:
+        tl.append(TimelineEvent(
+            event=event, subevent=subevent,
+            datetime=rd.datetime(ev),
+            description=pgettext_lazy('timeline', 'Customers can no longer cancel paid orders'),
+            edit_url=reverse('control:event.settings.tickets', kwargs={
+                'event': event.slug,
+                'organizer': event.organizer.slug
+            })
+        ))
+
+    if not event.has_subevents:
+        days = event.settings.get('mail_days_download_reminder', as_type=int)
+        if days is not None:
+            reminder_date = (ev.date_from - timedelta(days=days)).replace(hour=0, minute=0, second=0, microsecond=0)
+            tl.append(TimelineEvent(
+                event=event, subevent=subevent,
+                datetime=reminder_date,
+                description=pgettext_lazy('timeline', 'Download reminders are being sent out'),
+                edit_url=reverse('control:event.settings.mail', kwargs={
+                    'event': event.slug,
+                    'organizer': event.organizer.slug
+                })
+            ))
+
+    for p in event.items.filter(Q(available_from__isnull=False) | Q(available_until__isnull=False)):
+        if p.available_from:
+            tl.append(TimelineEvent(
+                event=event, subevent=subevent,
+                datetime=p.available_from,
+                description=pgettext_lazy('timeline', 'Product "{name}" becomes available').format(name=str(p)),
+                edit_url=reverse('control:event.item', kwargs={
+                    'event': event.slug,
+                    'organizer': event.organizer.slug,
+                    'item': p.pk,
+                })
+            ))
+        if p.available_until:
+            tl.append(TimelineEvent(
+                event=event, subevent=subevent,
+                datetime=p.available_until,
+                description=pgettext_lazy('timeline', 'Product "{name}" becomes unavailable').format(name=str(p)),
+                edit_url=reverse('control:event.item', kwargs={
+                    'event': event.slug,
+                    'organizer': event.organizer.slug,
+                    'item': p.pk,
+                })
+            ))
+
+    pprovs = event.get_payment_providers()
+    # This is a special case, depending on payment providers not overriding BasePaymentProvider by too much, but it's
+    # preferrable to having all plugins implement this spearately.
+    for pprov in pprovs.values():
+        availability_date = pprov.settings.get('_availability_date', as_type=RelativeDateWrapper)
+        if availability_date:
+            tl.append(TimelineEvent(
+                event=event, subevent=subevent,
+                datetime=availability_date.datetime(ev),
+                description=pgettext_lazy('timeline', 'Payment provider "{name}" can no longer be selected').format(
+                    name=str(pprov.verbose_name)
+                ),
+                edit_url=reverse('control:event.settings.payment.provider', kwargs={
+                    'event': event.slug,
+                    'organizer': event.organizer.slug,
+                    'provider': pprov.identifier,
+                })
+            ))
+
+    for recv, resp in timeline_events.send(sender=event, subevent=subevent):
+        tl += resp
+
+    return sorted(tl, key=lambda e: e.datetime)

src/pretix/control/templates/pretixcontrol/event/fragment_timeline.html

@@ -0,0 +1,36 @@
+{% load i18n %}
+<div class="panel panel-default items">
+    <div class="panel-heading">
+        <h3 class="panel-title">
+            {% trans "Your timeline" %}
+        </h3>
+    </div>
+    <div class="panel-body timeline">
+        {% regroup timeline by date as tl_list %}
+        {% for day in tl_list %}
+            <div class="row {% if day.grouper < today %}text-muted{% endif %}">
+                <div class="col-date">
+                    <strong>{{ day.grouper|date:"SHORT_DATE_FORMAT" }}</strong>
+                </div>
+                <div class="col-event">
+                    {% for e in day.list %}
+                        <strong class="">{{ e.time|date:"TIME_FORMAT" }}</strong>
+                        &nbsp;
+                        <span class="{% if e.time < nearly_now %}text-muted{% endif %}">
+                            {{ e.entry.description }}
+                        </span>
+                        {% if e.entry.edit_url %}
+                            &nbsp;
+                            <a href="{{ e.entry.edit_url }}" class="text-muted">
+                                <span class="fa fa-edit"></span>
+                            </a>
+                        {% endif %}
+                        {% if forloop.revcounter > 1 %}
+                            <br/>
+                        {% endif %}
+                    {% endfor %}
+                </div>
+            </div>
+        {% endfor %}
+    </div>
+</div>

src/pretix/control/templates/pretixcontrol/event/index.html

@@ -90,6 +90,9 @@
             {% include "pretixcontrol/event/fragment_subevent_choice_simple.html" %}
         </form>
     {% endif %}
+    {% if not request.event.has_subevents or subevent %}
+        {% include "pretixcontrol/event/fragment_timeline.html" %}
+    {% endif %}
     <div class="dashboard">
         {% for w in widgets %}
             <div class="widget-container widget-{{ w.display_size|default:"small" }}">

src/pretix/control/views/dashboards.py

@@ -1,3 +1,4 @@
+from datetime import timedelta
 from decimal import Decimal
 
 import pytz
@@ -22,6 +23,7 @@ from pretix.base.models import (
     WaitingListEntry,
 )
 from pretix.base.models.checkin import CheckinList
+from pretix.base.timeline import timeline_for_event
 from pretix.control.forms.event import CommentForm
 from pretix.control.signals import (
     event_dashboard_widgets, user_dashboard_widgets,
@@ -279,6 +281,7 @@ def event_index(request, organizer, event):
     ctx = {
         'widgets': rearrange(widgets),
         'logs': qs[:5],
+        'subevent': subevent,
         'actions': a_qs[:5] if can_change_orders else [],
         'comment_form': CommentForm(initial={'comment': request.event.comment})
     }
@@ -302,7 +305,19 @@ def event_index(request, organizer, event):
     for a in ctx['actions']:
         a.display = a.display(request)
 
-    return render(request, 'pretixcontrol/event/index.html', ctx)
+    ctx['timeline'] = [
+        {
+            'date': t.datetime.astimezone(request.event.timezone).date(),
+            'entry': t,
+            'time': t.datetime.astimezone(request.event.timezone)
+        }
+        for t in timeline_for_event(request.event, subevent)
+    ]
+    ctx['today'] = now().astimezone(request.event.timezone).date()
+    ctx['nearly_now'] = now().astimezone(request.event.timezone) - timedelta(seconds=20)
+    resp = render(request, 'pretixcontrol/event/index.html', ctx)
+    # resp['Content-Security-Policy'] = "style-src 'unsafe-inline'"
+    return resp
 
 
 def annotated_event_query(request):

src/pretix/static/pretixcontrol/scss/main.scss

@@ -618,3 +618,30 @@ h1 .label {
     border-radius: $border-radius-small;
     box-shadow: 0 7px 14px 0 rgba(78, 50, 92, 0.1),0 3px 6px 0 rgba(0,0,0,.07);
 }
+
+.timeline {
+    .col-date {
+        position: relative;
+        min-height: 1px;
+        padding-left: 15px;
+        width: 120px;
+        float: left;
+    }
+    .col-event {
+        position: relative;
+        min-height: 1px;
+        padding-right: 15px;
+        margin-left: 120px;
+    }
+}
+@media(max-width: $screen-sm-max) {
+    .timeline {
+        .col-date {
+            width: 100%;
+            float: none;
+        }
+        .col-event {
+            margin-left: 0;
+        }
+    }
+}