From 275d162b81adc39b685ed238361c061f29741ee1 Mon Sep 17 00:00:00 2001
From: Raphael Michel <mail@raphaelmichel.de>
Date: Sat, 8 Jul 2017 22:50:48 +0200
Subject: [PATCH] List of events: Optional calendar view

---
 src/pretix/base/settings.py                   |   4 +
 src/pretix/base/validators.py                 |   1 +
 src/pretix/control/forms/organizer.py         |   8 ++
 .../pretixcontrol/organizers/edit.html        |   1 +
 src/pretix/multidomain/maindomain_urlconf.py  |   2 +-
 src/pretix/multidomain/subdomain_urlconf.py   |   2 +-
 .../pretixpresale/organizers/calendar.html    |  99 ++++++++++++++++
 src/pretix/presale/urls.py                    |   6 +
 src/pretix/presale/views/organizer.py         | 111 +++++++++++++++++-
 .../static/pretixpresale/scss/_calendar.scss  |  36 ++++++
 .../static/pretixpresale/scss/main.scss       |   1 +
 11 files changed, 267 insertions(+), 4 deletions(-)
 create mode 100644 src/pretix/presale/templates/pretixpresale/organizers/calendar.html
 create mode 100644 src/pretix/static/pretixpresale/scss/_calendar.scss

diff --git a/src/pretix/base/settings.py b/src/pretix/base/settings.py
index 3979ce9ff..9116547e0 100644
--- a/src/pretix/base/settings.py
+++ b/src/pretix/base/settings.py
@@ -175,6 +175,10 @@ DEFAULTS = {
         'default': 'True',
         'type': bool
     },
+    'event_list_type': {
+        'default': 'list',
+        'type': str
+    },
     'last_order_modification_date': {
         'default': None,
         'type': datetime
diff --git a/src/pretix/base/validators.py b/src/pretix/base/validators.py
index cae0b6555..d5f8c3fa6 100644
--- a/src/pretix/base/validators.py
+++ b/src/pretix/base/validators.py
@@ -31,6 +31,7 @@ class EventSlugBlacklistValidator(BlacklistValidator):
         '_global',
         '__debug__',
         'api',
+        'events',
     ]
 
 
diff --git a/src/pretix/control/forms/organizer.py b/src/pretix/control/forms/organizer.py
index 6549b60e1..833f6792f 100644
--- a/src/pretix/control/forms/organizer.py
+++ b/src/pretix/control/forms/organizer.py
@@ -126,3 +126,11 @@ class OrganizerSettingsForm(SettingsForm):
         help_text=_('If you provide a logo image, we will by default not show your organization name '
                     'in the page header. We will show your logo with a maximal height of 120 pixels.')
     )
+
+    event_list_type = forms.ChoiceField(
+        label=_('Event overview stile'),
+        choices=(
+            ('list', _('List')),
+            ('calendar', _('Calendar'))
+        )
+    )
diff --git a/src/pretix/control/templates/pretixcontrol/organizers/edit.html b/src/pretix/control/templates/pretixcontrol/organizers/edit.html
index 477fd4ab2..8391d7fd3 100644
--- a/src/pretix/control/templates/pretixcontrol/organizers/edit.html
+++ b/src/pretix/control/templates/pretixcontrol/organizers/edit.html
@@ -21,6 +21,7 @@
             {% bootstrap_field sform.locales layout="horizontal" %}
             {% bootstrap_field sform.organizer_logo_image layout="horizontal" %}
             {% bootstrap_field sform.organizer_homepage_text layout="horizontal" %}
+            {% bootstrap_field sform.event_list_type layout="horizontal" %}
         </fieldset>
         <div class="form-group submit-group">
             <button type="submit" class="btn btn-primary btn-save">
diff --git a/src/pretix/multidomain/maindomain_urlconf.py b/src/pretix/multidomain/maindomain_urlconf.py
index e37ca299b..bd7bf2509 100644
--- a/src/pretix/multidomain/maindomain_urlconf.py
+++ b/src/pretix/multidomain/maindomain_urlconf.py
@@ -12,8 +12,8 @@ from pretix.urls import common_patterns
 
 presale_patterns_main = [
     url(r'', include((locale_patterns + [
-        url(r'^(?P<organizer>[^/]+)/(?P<event>[^/]+)/', include(event_patterns)),
         url(r'^(?P<organizer>[^/]+)/', include(organizer_patterns)),
+        url(r'^(?P<organizer>[^/]+)/(?P<event>[^/]+)/', include(event_patterns)),
         url(r'^$', TemplateView.as_view(template_name='pretixpresale/index.html'))
     ], 'presale')))
 ]
diff --git a/src/pretix/multidomain/subdomain_urlconf.py b/src/pretix/multidomain/subdomain_urlconf.py
index 6810ac0d8..d3cf99174 100644
--- a/src/pretix/multidomain/subdomain_urlconf.py
+++ b/src/pretix/multidomain/subdomain_urlconf.py
@@ -11,8 +11,8 @@ from pretix.urls import common_patterns
 
 presale_patterns = [
     url(r'', include((locale_patterns + [
+        url(r'', include(organizer_patterns)),
         url(r'^(?P<event>[^/]+)/', include(event_patterns)),
-        url(r'', include(organizer_patterns))
     ], 'presale')))
 ]
 
diff --git a/src/pretix/presale/templates/pretixpresale/organizers/calendar.html b/src/pretix/presale/templates/pretixpresale/organizers/calendar.html
new file mode 100644
index 000000000..8b8fd78ce
--- /dev/null
+++ b/src/pretix/presale/templates/pretixpresale/organizers/calendar.html
@@ -0,0 +1,99 @@
+{% extends "pretixpresale/organizers/base.html" %}
+{% load i18n %}
+{% load rich_text %}
+{% load eventurl %}
+{% block title %}{% trans "Event overview" %}{% endblock %}
+{% block content %}
+    <div>
+        {% if organizer_homepage_text %}
+            {{ organizer_homepage_text | rich_text }}
+        {% endif %}
+    </div>
+    <h3 class="text-center">{{ date|date:"F Y" }}</h3>
+    <div class="row">
+        <div class="col-sm-6">
+            <a href="{% eventurl request.organizer "presale:organizer.calendar" year=before.year month=before.month %}"
+               class="btn btn-default">
+                <span class="fa fa-arrow-left"></span>
+                {{ before|date:"F Y" }}
+            </a>
+        </div>
+        <div class="col-sm-6 text-right">
+            <a href="{% eventurl request.organizer "presale:organizer.calendar" year=after.year month=after.month %}"
+               class="btn btn-default">
+                <span class="fa fa-arrow-right"></span>
+                {{ after|date:"F Y" }}
+            </a>
+        </div>
+    </div>
+    <div class="table-responsive">
+    <table class="table table-calendar">
+        <thead>
+        <tr>
+            <th>{{ weeks.1.0.date|date:"D" }}</th>
+            <th>{{ weeks.1.1.date|date:"D" }}</th>
+            <th>{{ weeks.1.2.date|date:"D" }}</th>
+            <th>{{ weeks.1.3.date|date:"D" }}</th>
+            <th>{{ weeks.1.4.date|date:"D" }}</th>
+            <th>{{ weeks.1.5.date|date:"D" }}</th>
+            <th>{{ weeks.1.6.date|date:"D" }}</th>
+        </tr>
+        </thead>
+        <tbody>
+        {% for week in weeks %}
+            <tr>
+                {% for day in week %}
+                    {% if day %}
+                        <td class="day">
+                            <h3>{{ day.day }}</h3>
+                            {% for event in day.events %}
+                                <a class="event {% if event.continued %}continued{% endif %}" href="{{ event.url }}">
+                                    <span class="event-name">
+                                        {{ event.event.name }}
+                                    </span>
+                                    {% if not event.continued %}
+                                        {% if event.time %}
+                                            <span class="event-time">
+                                            <span class="fa fa-clock-o"></span>
+                                            {{ event.time|date:"TIME_FORMAT" }}
+                                                {% if multiple_timezones %}
+                                                    {{ event.timezone }}
+                                                {% endif %}
+                                            </span>
+                                        {% endif %}
+                                        <span class="event-status">
+                                            {% if event.event.presale_is_running %}
+                                                <span class="fa fa-ticket"></span> {% trans "Tickets on sale" %}
+                                            {% elif event.event.presale_has_ended %}
+                                                <span class="fa fa-ticket"></span> {% trans "Sale over" %}
+                                            {% elif event.event.settings.presale_start_show_date and event.event.presale_start %}
+                                                <span class="fa fa-ticket"></span>
+                                                {% blocktrans with start_date=event.event.presale_start|date:"SHORT_DATE_FORMAT" %}
+                                                    from {{ start_date }}
+                                                {% endblocktrans %}
+                                            {% else %}
+                                                <span class="fa fa-ticket"></span> {% trans "Soon" %}
+                                            {% endif %}
+                                        </span>
+                                    {% endif %}
+                                </a>
+                            {% endfor %}
+                        </td>
+                    {% else %}
+                        <td class="no-day"></td>
+                    {% endif %}
+                {% endfor %}
+            </tr>
+        {% endfor %}
+        </tbody>
+    </table>
+    {% if multiple_timezones %}
+        <div class="alert alert-info">
+            {% blocktrans trimmed %}
+                Note that the events in this view are in different timezones.
+            {% endblocktrans %}
+        </div>
+    {% endif %}
+
+    {% include "pretixpresale/pagination.html" %}
+{% endblock %}
diff --git a/src/pretix/presale/urls.py b/src/pretix/presale/urls.py
index 758b042a1..e76a742a1 100644
--- a/src/pretix/presale/urls.py
+++ b/src/pretix/presale/urls.py
@@ -72,6 +72,12 @@ event_patterns = [
 
 organizer_patterns = [
     url(r'^$', pretix.presale.views.organizer.OrganizerIndex.as_view(), name='organizer.index'),
+    url(r'^events/$',
+        pretix.presale.views.organizer.CalendarView.as_view(),
+        name='organizer.calendar'),
+    url(r'^events/(?P<year>[0-9]{4})/(?P<month>[0-9]{1,2})/$',
+        pretix.presale.views.organizer.CalendarView.as_view(),
+        name='organizer.calendar'),
 ]
 
 locale_patterns = [
diff --git a/src/pretix/presale/views/organizer.py b/src/pretix/presale/views/organizer.py
index 2efa13b01..db80e5049 100644
--- a/src/pretix/presale/views/organizer.py
+++ b/src/pretix/presale/views/organizer.py
@@ -1,8 +1,15 @@
+import calendar
+from collections import defaultdict
+from datetime import date, datetime, timedelta
+
+import pytz
 from django.db.models import Q
 from django.utils.timezone import now
-from django.views.generic import ListView
+from django.views.generic import ListView, TemplateView
+from pytz import UTC
 
 from pretix.base.models import Event
+from pretix.multidomain.urlreverse import eventreverse
 from pretix.presale.views import OrganizerViewMixin
 
 
@@ -12,8 +19,16 @@ class OrganizerIndex(OrganizerViewMixin, ListView):
     template_name = 'pretixpresale/organizers/index.html'
     paginate_by = 30
 
+    def get(self, request, *args, **kwargs):
+        if request.organizer.settings.event_list_type == 'calendar':
+            cv = CalendarView()
+            cv.request = request
+            return cv.get(request, *args, **kwargs)
+        else:
+            return super().get(request, *args, **kwargs)
+
     def get_queryset(self):
-        query = Q(is_public=True)
+        query = Q(is_public=True) & Q(live=True)
         if "old" in self.request.GET:
             query &= Q(Q(date_from__lte=now()) & Q(date_to__lte=now()))
             order = '-date_from'
@@ -23,3 +38,95 @@ class OrganizerIndex(OrganizerViewMixin, ListView):
         return Event.objects.filter(
             Q(organizer=self.request.organizer) & query
         ).order_by(order)
+
+
+class CalendarView(OrganizerViewMixin, TemplateView):
+    template_name = 'pretixpresale/organizers/calendar.html'
+
+    def get(self, request, *args, **kwargs):
+        if 'year' in kwargs and 'month' in kwargs:
+            self.year = int(kwargs.get('year'))
+            self.month = int(kwargs.get('month'))
+        else:
+            next_ev = Event.objects.filter(live=True, is_public=True, date_from__gte=now()).order_by('date_from').first()
+            tz = pytz.timezone(next_ev.settings.timezone)
+            datetime_from = next_ev.date_from.astimezone(tz)
+            self.year = datetime_from.year
+            self.month = datetime_from.month
+        return super().get(request, *args, **kwargs)
+
+    def get_context_data(self, **kwargs):
+        ctx = super().get_context_data()
+
+        _, ndays = calendar.monthrange(self.year, self.month)
+        before = datetime(self.year, self.month, 1, 0, 0, 0, tzinfo=UTC) - timedelta(days=1)
+        after = datetime(self.year, self.month, ndays, 0, 0, 0, tzinfo=UTC) + timedelta(days=1)
+
+        ctx['date'] = date(self.year, self.month, 1)
+        ctx['before'] = before
+        ctx['after'] = after
+        ebd = self._events_by_day()
+
+        calendar.setfirstweekday(0)  # TODO: Configurable
+        ctx['multiple_timezones'] = self._multiple_timezones
+        ctx['weeks'] = [
+            [
+                {
+                    'day': day,
+                    'date': date(self.year, self.month, day),
+                    'events': ebd[date(self.year, self.month, day)]
+                }
+                if day > 0
+                else None
+                for day in week
+            ]
+            for week in calendar.monthcalendar(self.year, self.month)
+        ]
+
+        return ctx
+
+    def _events_by_day(self):
+        _, ndays = calendar.monthrange(self.year, self.month)
+        before = datetime(self.year, self.month, 1, 0, 0, 0, tzinfo=UTC) - timedelta(days=1)
+        after = datetime(self.year, self.month, ndays, 0, 0, 0, tzinfo=UTC) + timedelta(days=1)
+        ebd = defaultdict(list)
+        qs = self.request.organizer.events.filter(is_public=True, live=True).filter(
+            Q(Q(date_to__gte=before) & Q(date_from__lte=after)) |
+            Q(Q(date_from__lte=after) & Q(date_to__gte=before)) |
+            Q(Q(date_to__isnull=True) & Q(date_from__gte=before) & Q(date_from__lte=after))
+        ).order_by(
+            'date_from'
+        ).prefetch_related(
+            '_settings_objects', 'organizer___settings_objects'
+        )
+        timezones = set()
+        for event in qs:
+            timezones.add(event.settings.timezones)
+            tz = pytz.timezone(event.settings.timezone)
+            datetime_from = event.date_from.astimezone(tz)
+            date_from = datetime_from.date()
+            if event.settings.show_date_to and event.date_to:
+                date_to = event.date_to.astimezone(tz).date()
+                d = date_from
+                while d <= date_to:
+                    first = d == date_from
+                    ebd[d].append({
+                        'event': event,
+                        'continued': not first,
+                        'time': datetime_from.time().replace(tzinfo=None) if first and event.settings.show_times else None,
+                        'url': eventreverse(event, 'presale:event.index'),
+                        'timezone': event.settings.timezone,
+                    })
+                    d += timedelta(days=1)
+
+            else:
+                ebd[date_from].append({
+                    'event': event,
+                    'continued': False,
+                    'time': datetime_from.time().replace(tzinfo=None) if event.settings.show_times else None,
+                    'url': eventreverse(event, 'presale:event.index'),
+                    'timezone': event.settings.timezone,
+                })
+
+        self._multiple_timezones = len(timezones) > 1
+        return ebd
diff --git a/src/pretix/static/pretixpresale/scss/_calendar.scss b/src/pretix/static/pretixpresale/scss/_calendar.scss
new file mode 100644
index 000000000..aa35ebb2a
--- /dev/null
+++ b/src/pretix/static/pretixpresale/scss/_calendar.scss
@@ -0,0 +1,36 @@
+.table-calendar {
+  td, th {
+    width: 14.29%;
+  }
+  h3 {
+    margin: 0;
+    font-size: 16px;
+  }
+  a.event {
+    display: block;
+    background: $brand-primary;
+    color: white;
+    border-radius: 5px;
+    padding: 3px 5px;
+    margin-top: 3px;
+    font-size: 12px;
+
+    &.continued {
+      background: #888888;
+      opacity: 0.8;
+    }
+
+    .event-name {
+      font-weight: bold;
+      display: block;
+    }
+    .event-time, .event-status {
+      display: block;
+    }
+
+    &:hover {
+      text-decoration: none;
+      background: darken($brand-primary, 15%);
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/pretix/static/pretixpresale/scss/main.scss b/src/pretix/static/pretixpresale/scss/main.scss
index 64d594c6c..15a79a09e 100644
--- a/src/pretix/static/pretixpresale/scss/main.scss
+++ b/src/pretix/static/pretixpresale/scss/main.scss
@@ -6,6 +6,7 @@
 @import "_event.scss";
 @import "_cart.scss";
 @import "_forms.scss";
+@import "_calendar.scss";
 @import "../../pretixbase/scss/webfont.scss";
 
 footer {