anthill going public

Author: jamesturk

LICENSE

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+Copyright (c) 2009, Sunlight Foundation
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+    * Neither the name of Sunlight Foundation nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

anthill/__init__.py

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+from django.contrib.gis import admin
+from anthill.events.models import Event
+
+admin.site.register(Event, admin.OSMGeoAdmin)
+

anthill/events/__init__.py

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+from django import forms
+from anthill.events.models import Event
+
+DISTANCE_CHOICES = (
+    ('5', '5 Miles'),
+    ('25', '25 Miles'),
+    ('50', '50 Miles'),
+    ('100', '100 Miles'),
+)
+
+class SearchForm(forms.Form):
+    name = forms.CharField(required=False)
+    location = forms.CharField(required=False)
+    location_range = forms.ChoiceField(choices=DISTANCE_CHOICES, initial='50',
+                                       required=False)
+
+class SplitDateTimeListWidget(forms.widgets.SplitDateTimeWidget):
+    def format_output(self, rendered_widgets):
+        return '<li><label>Date</label>%s</li><li><label>Time</label>%s</li>' % (rendered_widgets[0],
+                                                                                 rendered_widgets[1])
+
+class EventForm(forms.ModelForm):
+    class Meta:
+        model = Event
+        fields = ['title', 'description', 'location', 'url', 'start_date', 'end_date']
+    location = forms.CharField(label='Address')
+    start_date = forms.SplitDateTimeField(widget=SplitDateTimeListWidget, required=False)
+    end_date = forms.SplitDateTimeField(widget=SplitDateTimeListWidget, required=False)
+
+class AttendForm(forms.Form):
+    guests = forms.IntegerField('Additional Guests',
+                                widget=forms.widgets.Select(choices=zip(range(0,10),range(0,10))))
+    message = forms.CharField('Message to Event Organizer', widget=forms.widgets.Textarea)

anthill/events/admin.py

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+import datetime
+from django.core.urlresolvers import reverse
+from django.contrib.auth.models import User
+from django.db import models
+from django.db.models import Q
+from django.conf import settings
+from anthill.models import LocationModel, LocationModelManager
+from markupfield.fields import MarkupField
+
+class EventManager(LocationModelManager):
+    def future(self):
+        now = datetime.datetime.now()
+        return self.filter(Q(start_date__gt=now)|Q(end_date__gt=now))
+
+
+class Event(LocationModel):
+    title = models.CharField(max_length=100)
+    description = MarkupField(default_markup_type=settings.ANTHILL_DEFAULT_MARKUP)
+    official = models.BooleanField(default=False)
+    url = models.URLField(blank=True)
+    start_date = models.DateTimeField()
+    end_date = models.DateTimeField(null=True, blank=True)
+    creator = models.ForeignKey(User, related_name='events_created')
+    attendees = models.ManyToManyField(User, through='Attendance', related_name='events_attended')
+
+    objects = EventManager()
+
+    class Meta:
+        ordering = ['-start_date']
+
+    def __unicode__(self):
+        return self.title
+
+    def get_absolute_url(self):
+        return reverse('event_detail', args=[self.id])
+
+class Attendance(models.Model):
+    user = models.ForeignKey(User, related_name='event_attendances')
+    event = models.ForeignKey(Event, related_name='attendances')
+    join_time = models.DateField(auto_now_add=True)
+    guests = models.IntegerField(default=0)
+    message = models.TextField(blank=True)

anthill/events/forms.py

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+from django import template
+from anthill.utils import get_items_as_tag
+from anthill.events.models import Event
+
+register = template.Library()
+
+@register.tag
+def get_official_events(parser, token):
+    return get_items_as_tag(token, Event.objects.future().filter(official=True))
+
+@register.tag
+def get_upcoming_events(parser, token):
+    return get_items_as_tag(token, Event.objects.future())

anthill/events/models.py

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+from django.conf.urls.defaults import *
+
+urlpatterns = patterns('anthill.events.views',
+    url(r'^$', 'search', name='event_search'),
+    url(r'^(?P<event_id>\d+)/$', 'event_detail', name='event_detail'),
+    url(r'^(?P<event_id>\d+)/edit/$', 'edit_event', name='edit_event'),
+    url(r'^new/$', 'new_event', name='new_event'),
+    url(r'^archive/$', 'archive', name='events_archive'),
+    url(r'^archive/(?P<year>\d{4})/$', 'archive_year', name='events_for_year'),
+    url(r'^archive/(?P<year>\d{4})/(?P<month>\d{2})/$', 'archive_month', name='events_for_month'),
+)

anthill/events/templatetags/__init__.py

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+from datetime import datetime
+from django.views.generic import simple, date_based, list_detail
+from django.template import RequestContext
+from django.shortcuts import get_object_or_404, render_to_response, redirect
+from django.contrib.auth.decorators import login_required
+from django.http import HttpResponseNotAllowed
+from anthill.events.models import Event, Attendance
+from anthill.events.forms import EventForm, SearchForm, AttendForm
+
+def search(request):
+    upcoming_events = Event.objects.future().select_related()[0:5]
+    if request.GET:
+        form = SearchForm(request.GET)
+        form.is_valid()
+        name = form.cleaned_data['name']
+        location = form.cleaned_data['location']
+        location_range = form.cleaned_data['location_range']
+
+        # only events that haven't happened
+        events = Event.objects.future().select_related()
+        if name:
+            events = events.filter(title__icontains=name)
+        if location:
+            events = events.search_by_distance(location, location_range)
+        context = {'form': form, 'searched': True, 'search_results': events,
+                   'event_list': upcoming_events}
+    else:
+        context = {'form': SearchForm(), 'event_list': upcoming_events}
+
+    return render_to_response('events/search.html', context,
+                              context_instance=RequestContext(request))
+
+def event_detail(request, event_id):
+    event = get_object_or_404(Event, pk=event_id)
+    now = datetime.now()
+    if event.end_date:
+        finished = event.end_date < now
+    else:
+        finished = event.start_date < now
+
+    if not finished and request.method == 'POST' and request.user.is_authenticated():
+        form = AttendForm(request.POST)
+        if form.is_valid():
+            Attendance.objects.create(user=request.user, event_id=event_id,
+                                      guests=form.cleaned_data['guests'],
+                                      message=form.cleaned_data['message'])
+    else:
+        form = AttendForm()
+    return render_to_response('events/event_detail.html',
+                              {'event':event, 'form':form, 'finished':finished},
+                              context_instance=RequestContext(request))
+
+@login_required
+def edit_event(request, event_id):
+    event = get_object_or_404(Event, pk=event_id)
+    if event.creator != request.user:
+        return HttpResponseForbidden('Only the creator of an event may edit it.')
+
+    if request.method == 'POST':
+        form = EventForm(request.POST, instance=event)
+        if form.is_valid():
+            form.save()
+            return redirect(event.get_absolute_url())
+    else:
+        form = EventForm(instance=event)
+
+    return render_to_response('events/edit_event.html',
+                              {'form':form, 'event':event},
+                             context_instance=RequestContext(request))
+
+@login_required
+def new_event(request):
+    if request.method == 'POST':
+        form = EventForm(request.POST)
+        if form.is_valid():
+            event = form.save(commit=False)
+            event.creator = request.user
+            event.save()
+            return redirect(event.get_absolute_url())
+    else:
+        form = EventForm()
+
+    return render_to_response('events/edit_event.html',
+                              {'form':form},
+                             context_instance=RequestContext(request))
+
+def archive(request):
+    return list_detail.object_list(request,
+                                   queryset=Event.objects.future().select_related().all(),
+                                   template_object_name='event')
+
+def archive_year(request, year):
+    return date_based.archive_year(request, year=year,
+                                   queryset=Event.objects.all(),
+                                   allow_future=True,
+                                   date_field='start_date',)
+
+def archive_month(request, year, month):
+    return date_based.archive_month(request, year=year, month=month,
+                                    queryset=Event.objects.all(),
+                                    date_field='start_date', month_format='%m',
+                                    allow_future=True,
+                                    template_object_name='event')