Initial events app

* Models and admin page for events
* Add organisers to events
* event overview page for organisers

requirements.txt

@@ -6,3 +6,4 @@ django-sendfile==0.3.10
 django-template-check  # This should be in dev-requirements somehow
 bleach==1.4.3
 django-tinymce==2.3.0
+pytz

tox.ini

@@ -12,7 +12,7 @@ commands =
 deps = -r{toxinidir}/requirements.txt
 
 [flake8]
-exclude = */migrations/*, */urls.py, */.ropeproject/*
+exclude = */migrations/*, */urls.py, .ropeproject
 
 [testenv:flake8]
 deps= flake8==3.0.2

website/events/admin.py

+# -*- coding: utf-8 -*-
+from django import forms
+from django.core.urlresolvers import reverse
+from django.contrib import admin
+from django.http import HttpResponseRedirect
+from django.utils import timezone
+from django.utils.http import is_safe_url
+from django.utils.html import format_html
+from django.utils.translation import ugettext_lazy as _
+
+from committees.models import Committee
+from members.models import Member
+from . import models
+
+
+def _do_next(request, response):
+    if 'next' in request.GET and is_safe_url(request.GET['next']):
+        return HttpResponseRedirect(request.GET['next'])
+    else:
+        return response
+
+
+class DoNextModelAdmin(admin.ModelAdmin):
+
+    def response_add(self, request, obj):
+        res = super().response_add(request, obj)
+        return _do_next(request, res)
+
+    def response_change(self, request, obj):
+        res = super().response_change(request, obj)
+        return _do_next(request, res)
+
+
+class RegistrationInformationFieldForm(forms.ModelForm):
+
+    order = forms.IntegerField(label=_('order'), initial=0)
+
+    class Meta:
+        fields = '__all__'
+        model = models.RegistrationInformationField
+
+
+class RegistrationInformationFieldInline(admin.StackedInline):
+    form = RegistrationInformationFieldForm
+    extra = 0
+    model = models.RegistrationInformationField
+    ordering = ('_order',)
+
+    radio_fields = {'type': admin.VERTICAL}
+
+
+@admin.register(models.Event)
+class EventAdmin(DoNextModelAdmin):
+    inlines = (RegistrationInformationFieldInline,)
+    list_display = ('overview_link', 'start', 'registration_start',
+                    'num_participants', 'organiser', 'published', 'edit_link')
+    list_display_links = ('edit_link',)
+    list_filter = ('start', 'published')
+    actions = ('make_published', 'make_unpublished')
+    date_hierarchy = 'start'
+    search_fields = ('title', 'description')
+    prepopulated_fields = {'map_location': ('location',)}
+
+    def overview_link(self, obj):
+        return format_html('<a href="{link}">{title}</a>',
+                           link=reverse('events:admin-details',
+                                        kwargs={'event_id': obj.pk}),
+                           title=obj.title)
+
+    def edit_link(self, obj):
+        return _('Edit')
+    edit_link.short_description = ''
+
+    def num_participants(self, obj):
+        """Pretty-print the number of participants"""
+        num = (obj.registration_set
+               .filter(date_cancelled__lt=timezone.now()).count())
+        if not obj.max_participants:
+            return '{}/∞'.format(num)
+        return '{}/{}'.format(num, obj.max_participants)
+    num_participants.short_description = _('Number of participants')
+
+    def make_published(self, request, queryset):
+        queryset.update(published=True)
+    make_published.short_description = _('Publish selected events')
+
+    def make_unpublished(self, request, queryset):
+        queryset.update(published=False)
+    make_unpublished.short_description = _('Unpublish selected events')
+
+    def save_formset(self, request, form, formset, change):
+        """Save formsets with their order"""
+        formset.save()
+
+        form.instance.set_registrationinformationfield_order([
+            f.instance.pk
+            for f in sorted(formset.forms,
+                            key=lambda x: (x.cleaned_data['order'],
+                                           x.instance.pk))
+        ])
+        form.instance.save()
+
+    def formfield_for_dbfield(self, db_field, request, **kwargs):
+        field = super().formfield_for_dbfield(db_field, request, **kwargs)
+        if db_field.name == 'organiser':
+            # Disable add/change/delete buttons
+            field.widget.can_add_related = False
+            field.widget.can_change_related = False
+            field.widget.can_delete_related = False
+        return field
+
+    def formfield_for_foreignkey(self, db_field, request, **kwargs):
+        if db_field.name == 'organiser':
+            # Use custom queryset for organiser field
+            try:
+                if not request.user.is_superuser:
+                    member = request.user.member
+                    kwargs['queryset'] = Committee.active_committees.filter(
+                        members=member)
+            except Member.DoesNotExist:
+                pass
+        return super().formfield_for_foreignkey(db_field, request, **kwargs)
+
+
+@admin.register(models.Registration)
+class RegistrationAdmin(DoNextModelAdmin):
+    """Custom admin for registrations"""
+
+    def formfield_for_dbfield(self, db_field, request, **kwargs):
+        field = super().formfield_for_dbfield(db_field, request, **kwargs)
+        if db_field.name in ('event', 'member'):
+            # Disable add/change/delete buttons
+            field.widget.can_add_related = False
+            field.widget.can_change_related = False
+            field.widget.can_delete_related = False
+        return field
+
+    def formfield_for_foreignkey(self, db_field, request, **kwargs):
+        if db_field.name == 'event':
+            # allow to restrict event
+            if request.GET.get('event_pk'):
+                kwargs['queryset'] = models.Event.objects.filter(
+                    pk=int(request.GET['event_pk']))
+        return super().formfield_for_foreignkey(db_field, request, **kwargs)

website/events/apps.py

+from django.apps import AppConfig
+
+
+class EventsConfig(AppConfig):
+    name = 'events'

website/events/migrations/0001_initial.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2016-08-13 13:33
+from __future__ import unicode_literals
+
+import django.core.validators
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('members', '0004_auto_20160805_1435'),
+        ('committees', '0004_auto_20160727_2253'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='BooleanRegistrationInformation',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('changed', models.DateTimeField(auto_now=True, verbose_name='last changed')),
+                ('value', models.BooleanField()),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.CreateModel(
+            name='Event',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=100, verbose_name='title')),
+                ('description', models.TextField(verbose_name='description')),
+                ('start', models.DateTimeField(verbose_name='start time')),
+                ('end', models.DateTimeField(verbose_name='end time')),
+                ('registration_start', models.DateTimeField(blank=True, null=True, verbose_name='registration start')),
+                ('registration_end', models.DateTimeField(blank=True, null=True, verbose_name='registration end')),
+                ('location', models.CharField(max_length=255, verbose_name='location')),
+                ('map_location', models.CharField(help_text='Location of Huygens: Heyendaalseweg 135, Nijmegen. Not shown as text!!', max_length=255, verbose_name='location for minimap')),
+                ('price', models.DecimalField(decimal_places=2, default=0, max_digits=5, validators=[django.core.validators.MinValueValidator(0)], verbose_name='price')),
+                ('cost', models.DecimalField(decimal_places=2, default=0, help_text='Actual cost of event.', max_digits=5, validators=[django.core.validators.MinValueValidator(0)], verbose_name='cost')),
+                ('max_participants', models.PositiveSmallIntegerField(blank=True, null=True, verbose_name='maximum number of participants')),
+                ('registration_required', models.BooleanField(default=False, verbose_name='registration required')),
+                ('no_registration_message', models.CharField(blank=True, help_text='Default: No registration required', max_length=200, null=True, verbose_name='message when there is no registration')),
+                ('published', models.BooleanField(default=False, verbose_name='published')),
+                ('organiser', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='committees.Committee')),
+            ],
+            options={
+                'ordering': ('-start',),
+            },
+        ),
+        migrations.CreateModel(
+            name='IntegerRegistrationInformation',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('changed', models.DateTimeField(auto_now=True, verbose_name='last changed')),
+                ('value', models.IntegerField()),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.CreateModel(
+            name='Registration',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(blank=True, help_text='Use this for non-members', max_length=50, null=True, verbose_name='name')),
+                ('date', models.DateTimeField(auto_now_add=True, verbose_name='registration date')),
+                ('date_cancelled', models.DateTimeField(blank=True, null=True, verbose_name='cancellation date')),
+                ('present', models.BooleanField(default=False, verbose_name='Present')),
+                ('paid', models.BooleanField(default=False, verbose_name='Paid')),
+                ('event', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='events.Event')),
+                ('member', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='members.Member')),
+            ],
+            options={
+                'ordering': ('date',),
+            },
+        ),
+        migrations.CreateModel(
+            name='RegistrationInformationField',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('type', models.CharField(choices=[('checkbox', 'checkbox'), ('charfield', 'text field'), ('intfield', 'integer field')], max_length=10, verbose_name='field type')),
+                ('name', models.CharField(max_length=100, verbose_name='field name')),
+                ('description', models.TextField(blank=True, null=True, verbose_name='description')),
+                ('event', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='events.Event')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='TextRegistrationInformation',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('changed', models.DateTimeField(auto_now=True, verbose_name='last changed')),
+                ('value', models.TextField()),
+                ('field', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='events.RegistrationInformationField')),
+                ('registration', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='events.Registration')),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.AddField(
+            model_name='integerregistrationinformation',
+            name='field',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='events.RegistrationInformationField'),
+        ),
+        migrations.AddField(
+            model_name='integerregistrationinformation',
+            name='registration',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='events.Registration'),
+        ),
+        migrations.AddField(
+            model_name='booleanregistrationinformation',
+            name='field',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='events.RegistrationInformationField'),
+        ),
+        migrations.AddField(
+            model_name='booleanregistrationinformation',
+            name='registration',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='events.Registration'),
+        ),
+        migrations.AlterOrderWithRespectTo(
+            name='registrationinformationfield',
+            order_with_respect_to='event',
+        ),
+        migrations.AlterUniqueTogether(
+            name='registration',
+            unique_together=set([('member', 'event', 'name', 'date_cancelled')]),
+        ),
+    ]

website/events/models.py

+from django.core import validators
+from django.core.exceptions import ValidationError
+from django.db import models
+from django.db.models import Q
+from django.utils import timezone
+from django.utils.translation import ugettext_lazy as _
+
+
+class Event(models.Model):
+    """Represents events"""
+
+    DEFAULT_NO_REGISTRATION_MESSAGE = _('No registration required')
+
+    title = models.CharField(_("title"), max_length=100)
+
+    description = models.TextField(_("description"))
+
+    start = models.DateTimeField(_("start time"))
+
+    end = models.DateTimeField(_("end time"))
+
+    organiser = models.ForeignKey(
+        'committees.Committee',
+        models.SET_NULL,
+        null=True,
+        blank=True,
+    )
+
+    registration_start = models.DateTimeField(
+        _("registration start"),
+        null=True,
+        blank=True,
+    )
+
+    registration_end = models.DateTimeField(
+        _("registration end"),
+        null=True,
+        blank=True
+    )
+
+    location = models.CharField(_("location"), max_length=255)
+
+    map_location = models.CharField(
+        _("location for minimap"),
+        max_length=255,
+        help_text=_('Location of Huygens: Heyendaalseweg 135, Nijmegen. '
+                    'Not shown as text!!'),
+    )
+
+    price = models.DecimalField(
+        _("price"),
+        max_digits=5,
+        decimal_places=2,
+        default=0,
+        validators=[validators.MinValueValidator(0)],
+    )
+
+    cost = models.DecimalField(
+        _("cost"),
+        max_digits=5,
+        decimal_places=2,
+        default=0,
+        help_text=_("Actual cost of event."),
+        validators=[validators.MinValueValidator(0)],
+    )
+
+    max_participants = models.PositiveSmallIntegerField(
+        _('maximum number of participants'),
+        blank=True,
+        null=True,
+    )
+
+    registration_required = models.BooleanField(
+        _('registration required'),
+        default=False
+    )
+
+    no_registration_message = models.CharField(
+        _('message when there is no registration'),
+        max_length=200,
+        blank=True,
+        null=True,
+        help_text=(_("Default: {}").format(DEFAULT_NO_REGISTRATION_MESSAGE)),
+    )
+
+    published = models.BooleanField(_("published"), default=False)
+
+    def clean(self):
+        super().clean()
+        if self.end < self.start:
+            raise ValidationError(
+                {'end': _("Can't have an event travel back in time")})
+        if self.registration_required and self.no_registration_message:
+            raise ValidationError(
+                {'no_registration_message': _(
+                    "Doesn't make sense to have this if you require "
+                    "registrations.")})
+
+    def get_absolute_url(self):
+        return ''
+
+    def __str__(self):
+        return '{}: {}'.format(
+            self.title,
+            timezone.localtime(self.start).strftime('%Y-%m-%d %H:%M'))
+
+    class Meta:
+        ordering = ('-start',)
+
+
+class RegistrationInformationField(models.Model):
+    """Field description to ask for when registering"""
+    FIELD_TYPES = (('checkbox', _('checkbox')),
+                   ('charfield', _('text field')),
+                   ('intfield', _('integer field')))
+
+    event = models.ForeignKey(Event, models.CASCADE)
+
+    type = models.CharField(
+        _('field type'),
+        choices=FIELD_TYPES,
+        max_length=10,
+    )
+
+    name = models.CharField(
+        _('field name'),
+        max_length=100,
+    )
+
+    description = models.TextField(
+        _('description'),
+        null=True,
+        blank=True,
+    )
+
+    def get_value_for(self, registration):
+        if self.type == 'charfield':
+            value_set = self.textregistrationinformation_set
+        elif self.type == 'checkbox':
+            value_set = self.booleanregistrationinformation_set
+        elif value_set == 'intfield':
+            value_set = self.integerregistrationinformation_set
+        try:
+            return value_set.get(registration=registration).value
+        except (TextRegistrationInformation.DoesNotExist,
+                BooleanRegistrationInformation.DoesNotExist,
+                IntegerRegistrationInformation.DoesNotExist):
+            return None
+
+    class Meta:
+        order_with_respect_to = 'event'
+
+
+class Registration(models.Model):
+    """Event registrations"""
+
+    event = models.ForeignKey(Event, models.CASCADE)
+
+    member = models.ForeignKey(
+        'members.Member', models.CASCADE,
+        blank=True,
+        null=True,
+        limit_choices_to=(Q(user__membership__until__isnull=True) |
+                          Q(user__membership__until__gt=timezone.now()))
+    )
+
+    name = models.CharField(
+        _('name'),
+        max_length=50,
+        help_text=_('Use this for non-members'),
+        null=True,
+        blank=True
+    )
+
+    date = models.DateTimeField(_('registration date'), auto_now_add=True)
+    date_cancelled = models.DateTimeField(_('cancellation date'),
+                                          null=True,
+                                          blank=True)
+
+    present = models.BooleanField(
+        _('Present'),
+        default=False,
+    )
+    paid = models.BooleanField(
+        _('Paid'),
+        default=False,
+    )
+
+    def registration_information(self):
+        fields = self.event.registrationinformationfield_set.all()
+        return [{'field': field, 'value': field.get_value_for(self)}
+                for field in fields]
+
+    def clean(self):
+        if ((self.member is None and not self.name) or
+                (self.member and self.name)):
+            raise ValidationError({
+                'member': _('Either specify a member or a name'),
+                'name': _('Either specify a member or a name'),
+            })
+
+    def validate_unique(self, exclude=None):
+        super().validate_unique(exclude)
+
+    def __str__(self):
+        if self.member:
+            return '{}: {}'.format(self.member.get_full_name(), self.event)
+        else:
+            return '{}: {}'.format(self.name, self.event)
+
+    class Meta:
+        ordering = ('date',)
+        unique_together = (('member', 'event', 'name', 'date_cancelled'),)
+
+
+class AbstractRegistrationInformation(models.Model):
+    """Abstract to contain common things for registration information"""
+
+    registration = models.ForeignKey(Registration, models.CASCADE)
+    field = models.ForeignKey(RegistrationInformationField, models.CASCADE)
+    changed = models.DateTimeField(_('last changed'), auto_now=True)
+
+    def __str__(self):
+        return '{} - {}: {}'.format(self.registration, self.field, self.value)
+
+    class Meta:
+        abstract = True
+
+
+class BooleanRegistrationInformation(AbstractRegistrationInformation):
+    """Checkbox information filled in by members when registring"""
+
+    value = models.BooleanField()
+
+
+class TextRegistrationInformation(AbstractRegistrationInformation):
+    """Checkbox information filled in by members when registring"""
+
+    value = models.TextField()
+
+
+class IntegerRegistrationInformation(AbstractRegistrationInformation):
+    """Checkbox information filled in by members when registring"""
+
+    value = models.IntegerField()

website/events/templates/events/admin/details.html

+{% extends 'admin/index.html' %}
+{% load i18n admin_urls static admin_modify %}
+
+{% block title %}{{ event.title }}{{ block.super }}{% endblock %}
+
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+    <a href="{% url 'admin:index' %}">{% trans 'home'|capfirst %}</a>
+    &rsaquo; <a href="{% url 'admin:app_list' app_label='events' %}">{% trans 'events'|capfirst %}</a>
+    &rsaquo; <a href="/admin/events/event/">{% trans 'events'|capfirst %}</a>
+    &rsaquo; {{ event.title }}
+</div>
+{% endblock %}
+
+{% block content_title %}<h1>{% blocktrans with event=event.title %}Event overview: {{ event }}{% endblocktrans %}</h1>{% endblock %}
+{% block content %}
+<div id="content-main">
+    <div class="module">
+        {% with event.registrationinformationfield_set.all as fields %}
+        <h2>{% trans "registrations"|capfirst %}</h2>
+        {% include 'events/admin/registrations_table.html' with registrations=registrations %}
+        <br>
+        {% if waiting %}
+        <h2>{% trans "waiting"|capfirst %}</h2>
+        {% include 'events/admin/registrations_table.html' with registrations=waiting verb='queued' addlink=False %}
+        <br>
+        {% endif %}
+        <h2>{% trans "cancellations"|capfirst %}</h2>
+        {% include 'events/admin/registrations_table.html' with registrations=cancellations verb='cancelled' addlink=False %}
+        {% endwith %}
+    </div>
+</div>
+{% endblock %}
+
+{% block sidebar %}
+<div id="content-related">
+    <div class="module">
+        <h2>{% trans "Event properties" %} —
+            <a class="changelink"
+                href="{% url 'admin:events_event_change' event.pk %}?next={{ request.get_full_path|urlencode }}">
+                {% trans "change"|capfirst %}
+            </a>
+        </h2>
+        <dl class="actionlist">
+            <dt>{% trans "title"|capfirst %}</dt>
+            <dd>{{ event.title }}</dd>
+            <dt>{% trans "date"|capfirst %}</dt>