Add pizza app with basic functionality

Notable TODO is adding messages for end-users on actions

website/pizzas/admin.py

+from django.contrib import admin
+from .models import PizzaEvent, Order, Product
+from django.utils.html import format_html
+from django.utils.translation import ugettext_lazy as _
+from django.core.urlresolvers import reverse
+
+admin.site.register(Product)
+
+
+@admin.register(PizzaEvent)
+class PizzaEventAdmin(admin.ModelAdmin):
+    list_display = ('title', 'orders')
+
+    def orders(self, obj):
+        return format_html(_('<strong><a href="{link}">Orders</a></strong>'),
+                           link=reverse('pizzas:orders',
+                                        kwargs={'event_pk': obj.pk}))
+
+
+@admin.register(Order)
+class OrderAdmin(admin.ModelAdmin):
+    list_display = ('pizza_event', 'member_name', 'product', 'paid')

website/pizzas/apps.py

+from django.apps import AppConfig
+
+
+class PizzasConfig(AppConfig):
+    name = 'pizzas'

website/pizzas/forms.py

+from django.forms import ModelForm
+
+from .models import Order
+
+
+class AddOrderForm(ModelForm):
+    class Meta:
+        model = Order
+        fields = ['name', 'product']

website/pizzas/locale/nl/LC_MESSAGES/django.po

+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2016-08-13 17:41+0200\n"
+"PO-Revision-Date: 2016-08-13 17:56+0100\n"
+"Last-Translator: Joost Rijneveld <joost@joostrijneveld.nl>\n"
+"Language-Team: \n"
+"Language: nl\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"X-Generator: Poedit 1.6.10\n"
+
+#: models.py:10
+msgid "Order from"
+msgstr "Bestel vanaf"
+
+#: models.py:11
+msgid "Order until"
+msgstr "Bestel tot"
+
+#: models.py:39 models.py:40 models.py:81 models.py:82
+msgid "Either specify a member or a name"
+msgstr "Specificeer een lid of vul een naam in"
+
+#: models.py:70
+msgid "Use this for non-members"
+msgstr "Vul dit in voor niet-leden"
+
+#: templates/pizzas/index.html:5
+msgid "Pizzas"
+msgstr "Pizza's"
+
+#: templates/pizzas/index.html:11
+#, python-format
+msgid "Order food for %(event.title)s"
+msgstr "Bestel eten voor %(event.title)s"
+
+#: templates/pizzas/index.html:15
+#, python-format
+msgid "It will be possible to order from %(start)s."
+msgstr "Je kan bestellen vanaf %(start)s."
+
+#: templates/pizzas/index.html:20
+#, python-format
+msgid "It was possible to order until %(end)s."
+msgstr "Je kon bestellen tot %(end)s."
+
+#: templates/pizzas/index.html:24
+#, python-format
+msgid "It is possible to order until %(end)s."
+msgstr "Je kan bestellen tot %(end)s."
+
+#: templates/pizzas/index.html:29
+msgid "The order has not yet been paid for."
+msgstr "De bestelling is nog niet betaald."
+
+#: templates/pizzas/index.html:31
+msgid "The order has been paid for."
+msgstr "De bestelling is betaald."
+
+#: templates/pizzas/index.html:33
+msgid "Current order"
+msgstr "Huidige bestelling"
+
+#: templates/pizzas/index.html:37 templates/pizzas/index.html:82
+msgid "Name"
+msgstr "Naam"
+
+#: templates/pizzas/index.html:38 templates/pizzas/index.html:83
+msgid "Description"
+msgstr "Omschrijving"
+
+#: templates/pizzas/index.html:39 templates/pizzas/index.html:84
+msgid "Price"
+msgstr "Prijs"
+
+#: templates/pizzas/index.html:40
+msgid "Cancel"
+msgstr "Annuleren"
+
+#: templates/pizzas/index.html:73
+msgid "Changing your order"
+msgstr "Bestelling bewerken"
+
+#: templates/pizzas/index.html:76
+msgid "You did not place an order."
+msgstr "Je hebt geen bestelling geplaatst."
+
+#: templates/pizzas/index.html:85
+msgid "Modify"
+msgstr "Bewerken"
+
+#: templates/pizzas/index.html:85
+msgid "Order"
+msgstr "Bestellen"
+
+#: templates/pizzas/index.html:107
+msgid "There is no current event for which you can order food"
+msgstr "Er is nu geen evenement waar je eten voor kunt bestellen"

website/pizzas/migrations/0001_initial.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2016-08-24 21:31
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('members', '0004_auto_20160805_1435'),
+        ('events', '0003_remove_event_registration_required'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Order',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('paid', models.BooleanField(default=False)),
+                ('name', models.CharField(blank=True, help_text='Use this for non-members', max_length=50, null=True)),
+                ('member', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='members.Member')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='PizzaEvent',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('start', models.DateTimeField(verbose_name='Order from')),
+                ('end', models.DateTimeField(verbose_name='Order until')),
+                ('event', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to='events.Event')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Product',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=50)),
+                ('price', models.DecimalField(decimal_places=2, max_digits=5)),
+                ('available', models.BooleanField(default=True)),
+                ('description_en', models.TextField(verbose_name='description (EN)')),
+                ('description_nl', models.TextField(verbose_name='description (NL)')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='order',
+            name='pizza_event',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='pizzas.PizzaEvent'),
+        ),
+        migrations.AddField(
+            model_name='order',
+            name='product',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='pizzas.Product'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='order',
+            unique_together=set([('pizza_event', 'member')]),
+        ),
+    ]

website/pizzas/models.py

+from django.db import models
+from django.utils import timezone
+from django.core.exceptions import ValidationError
+from utils.translation import MultilingualField, ModelTranslateMeta
+from django.utils.translation import ugettext_lazy as _
+
+import events
+import members
+
+
+class PizzaEvent(models.Model):
+    start = models.DateTimeField(_("Order from"))
+    end = models.DateTimeField(_("Order until"))
+    event = models.OneToOneField(events.models.Event, on_delete=models.CASCADE)
+
+    @property
+    def title(self):
+        return self.event.title
+
+    @property
+    def in_the_future(self):
+        return self.start > timezone.now()
+
+    @property
+    def just_ended(self):
+        return (self.end < timezone.now()
+                and self.end + timezone.timedelta(hours=8) > timezone.now())
+
+    @classmethod
+    def current(cls):
+        try:
+            return PizzaEvent.objects.get(
+                end__gt=timezone.now() - timezone.timedelta(hours=8)
+            )
+        except PizzaEvent.DoesNotExist:
+            return None
+
+    def clean(self):
+        for other in PizzaEvent.objects.all():
+            if self.start <= other.end and other.start >= self.end:
+                raise ValidationError({
+                    'start': _('This event cannot overlap with ') + str(other),
+                    'end': _('This event  cannot overlap with ') + str(other),
+                })
+
+    def __str__(self):
+        return 'Pizzas for ' + str(self.event)
+
+
+class Product(models.Model, metaclass=ModelTranslateMeta):
+    name = models.CharField(max_length=50)
+    description = MultilingualField(models.TextField)
+    price = models.DecimalField(max_digits=5, decimal_places=2)
+    available = models.BooleanField(default=True)
+
+    def __str__(self):
+        return self.name
+
+
+class Order(models.Model):
+    member = models.ForeignKey(
+        members.models.Member,
+        on_delete=models.CASCADE,
+        blank=True,
+        null=True,
+    )
+
+    paid = models.BooleanField(default=False)
+
+    name = models.CharField(
+        max_length=50,
+        help_text=_('Use this for non-members'),
+        null=True,
+        blank=True,
+    )
+
+    product = models.ForeignKey(Product, on_delete=models.PROTECT)
+    pizza_event = models.ForeignKey(PizzaEvent, on_delete=models.CASCADE)
+
+    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'),
+            })
+
+    @property
+    def member_name(self):
+        if self.member is not None:
+            return self.member.get_full_name()
+        return self.name
+
+    class Meta:
+        unique_together = ('pizza_event', 'member')

website/pizzas/static/pizzas/css/style.css

+.pizza-order-form, .activity-form, .paid-form, .collected-form, .delete-form {
+    margin-bottom: 0px;
+}
+
+#button-container {
+    clear: both;
+    overflow: auto;
+}
+
+#button-container a {
+    float: right;
+}
+
+.paid {
+    background-color: #8FCC74;
+}
+
+.unpaid {
+    background-color: #E05C50;
+}
+
+@media (max-width: 767px) {
+    #main .main-content {
+        padding-right: 16px !important;
+        padding-left: 16px !important;
+        max-width: none;
+    }
+
+    .main-content .btn, .main-content .btn:hover {
+        clear: right;
+        margin-bottom: 4px;
+    }
+}
\ No newline at end of file

website/pizzas/static/pizzas/js/jquery.tablesort.min.js

+/*
+	A simple, lightweight jQuery plugin for creating sortable tables.
+	https://github.com/kylefox/jquery-tablesort
+	Version 0.0.6
+*/
+$(function(){var t=window.jQuery;t.tablesort=function(e,s){var i=this;this.$table=e,this.$thead=this.$table.find("thead"),this.settings=t.extend({},t.tablesort.defaults,s),this.$sortCells=this.$thead.length>0?this.$thead.find("th:not(.no-sort)"):this.$table.find("th:not(.no-sort)"),this.$sortCells.bind("click.tablesort",function(){i.sort(t(this))}),this.index=null,this.$th=null,this.direction=null},t.tablesort.prototype={sort:function(e,s){var i=new Date,n=this,o=this.$table,a=this.$thead.length>0?o.find("tbody tr"):o.find("tr").has("td"),l=o.find("tr td:nth-of-type("+(e.index()+1)+")"),r=e.data().sortBy,d=[],h=l.map(function(s,i){return r?"function"==typeof r?r(t(e),t(i),n):r:null!=t(this).data().sortValue?t(this).data().sortValue:t(this).text()});0!==h.length&&("asc"!==s&&"desc"!==s?this.direction="asc"===this.direction?"desc":"asc":this.direction=s,s="asc"==this.direction?1:-1,n.$table.trigger("tablesort:start",[n]),n.log("Sorting by "+this.index+" "+this.direction),n.$table.css("display"),setTimeout(function(){n.$sortCells.removeClass(n.settings.asc+" "+n.settings.desc);for(var r=0,c=h.length;c>r;r++)d.push({index:r,cell:l[r],row:a[r],value:h[r]});d.sort(function(t,e){return t.value>e.value?1*s:t.value<e.value?-1*s:0}),t.each(d,function(t,e){o.append(e.row)}),e.addClass(n.settings[n.direction]),n.log("Sort finished in "+((new Date).getTime()-i.getTime())+"ms"),n.$table.trigger("tablesort:complete",[n]),n.$table.css("display")},h.length>2e3?200:10))},log:function(e){(t.tablesort.DEBUG||this.settings.debug)&&console&&console.log&&console.log("[tablesort] "+e)},destroy:function(){return this.$sortCells.unbind("click.tablesort"),this.$table.data("tablesort",null),null}},t.tablesort.DEBUG=!1,t.tablesort.defaults={debug:t.tablesort.DEBUG,asc:"sorted ascending",desc:"sorted descending"},t.fn.tablesort=function(e){var s,i;return this.each(function(){s=t(this),i=s.data("tablesort"),i&&i.destroy(),s.data("tablesort",new t.tablesort(s,e))})}});
\ No newline at end of file

website/pizzas/static/pizzas/js/orders.js

+$(function() {
+    $('table').tablesort();
+
+    $('thead th.paid-title, thead th.collected-title').data('sortBy', function (th, td, tablesort) {
+        return $(td).find('.btn').val();
+    });
+
+    $('input.paid-button').click(function() {
+        var id = $(this).data('id');
+        var button = $(this);
+        $.post(paid_url, {'order': id, 'csrfmiddlewaretoken': csrf_token}, function(data) {
+            if(data.success === 1) {
+                button.addClass('btn-style' + (4 - data.paid));
+                button.removeClass('btn-style' + (3 + data.paid));
+                button.val(data.paid ? 'Yes' : 'No');
+                button.blur();
+            }
+            else {
+                alert(data.error);
+            }
+        });
+    });
+});
\ No newline at end of file

website/pizzas/templates/pizzas/add_order.html

+{% extends "base.html" %}
+
+{% load i18n staticfiles %}
+
+{% block page_title %}{% trans "Pizzas" %}{% endblock %}
+
+{% block css_head %}
+{{ block.super }}
+<link href="{% static "pizzas/css/style.css" %}" rel="stylesheet" type="text/css">
+{% endblock %}
+
+{% block body %}
+<style>
+    .form-group {
+        margin-bottom: 15px;
+    }
+</style>
+
+<h3>{% blocktrans with title=event.title %}Add order for {{ title }}{% endblocktrans %}</h3>
+
+<form class="form-horizontal" method="post" action="{% url 'pizzas:add-order' event.pk %}">
+    {% csrf_token %}
+    <div class="form-group {% if form.name.errors %}has-error{% endif %}">
+        <label for="{{ form.name.auto_id }}" class="control-label">{{ form.name.label }}</label>
+        <div class="controls">
+            {{ form.name }}
+            {% for error in form.name.errors %}
+                <span class="help-block">{{ error }}</span>
+            {% endfor %}
+        </div>
+    </div>
+    <div class="form-group {% if form.product.errors %}has-error{% endif %}">
+        <label for="{{ form.product.auto_id }}" class="control-label">{{ form.product.label }}</label>
+        <div class="controls">
+            {{ form.product }}
+        </div>
+    </div>
+    <div class="form-group">
+        <input type="submit" class="btn btn-style1" value="{% trans 'Add' %}">
+    </div>
+</form>
+
+<div class="text-right">
+    {% url 'admin:pizzas_order_add' as url_pizzas_order_add %}
+    {% blocktrans%}A more generic version of this form is<br>also available in the <a href="{{ url_pizzas_order_add }}">administration back-end</a>.{% endblocktrans %}
+</div>
+{% endblock %}

website/pizzas/templates/pizzas/index.html

+{% extends "base.html" %}
+
+{% load i18n staticfiles %}
+
+{% block page_title %}{% trans "Pizzas" %}{% endblock %}
+
+{% block css_head %}
+{{ block.super }}
+<link href="{% static "pizzas/css/style.css" %}" rel="stylesheet" type="text/css">
+{% endblock %}
+
+{% block body %}
+{% if event %}
+    {% if event.just_ended and order %}
+    <center>
+        <span style="font-weight: bolder; font-size: 40px">
+            {{ order.product.name }}
+        </span>
+        <br>
+        <br>
+        <span style="font-size: 24px;">
+            {{ member.get_full_name }}
+        </span>
+    </center>
+    {% endif %}
+    <h1>
+        {% blocktrans %}Order food for {{ event.title }}{% endblocktrans %}
+    </h1>
+{% else %}
+    <h1>
+        {% trans "There is no current event for which you can order food" %}
+    </h1>
+{% endif %}
+<div id="button-container">
+    {% if perms.pizzas.change_pizzaevent %}
+        <a href="{% url 'admin:pizzas_pizzaevent_changelist' %}" class="btn btn-primary pull-right">{% trans "All events" %}</a>
+    {% endif %}
+    {% if perms.pizzas.change_order and event %}
+        <a href="{% url 'pizzas:orders' event.pk %}" class="btn btn-primary pull-right">{% trans "All orders" %}</a>
+    {% endif %}
+    <br><br>
+</div>
+{% if event %}
+    {% if event.in_the_future %}
+        <h2>
+            {% blocktrans with start=event.start|date:"Y-m-d H:m:s" %}It will be possible to order from {{ start }}.{% endblocktrans %}
+        </h2>
+    {% else %}
+        {% if event.just_ended %}
+        <h2>
+            {% blocktrans with end=event.end|date:"Y-m-d H:m:s" %}It was possible to order until {{ end }}.{% endblocktrans %}
+        </h2>
+        {% else %}
+        <h2>
+            {% blocktrans with end=event.end|date:"Y-m-d H:m:s" %}It is possible to order until {{ end }}.{% endblocktrans %}
+        </h2>
+        {% endif %}
+        {% if order %}
+            {% if order.paid %}
+            <div class="alert alert-success">{% trans "The order has been paid for." %}</div>
+            {% else %}
+            <div class="alert alert-error">{% trans "The order has not yet been paid for." %}</div>
+            {% endif %}
+            <h4>{% trans "Current order" %}</h4>
+            <div style="overflow-x: auto;">
+                <table class="table table-striped table-bordered table-hover">
+                    <tr>
+                        <th>{% trans "Name" %}</th>
+                        <th>{% trans "Description" %}</th>
+                        <th>{% trans "Price" %}</th>
+                        <th>{% trans "Cancel" %}</th>
+                    </tr>
+                    <tr>
+                        <td>{{ order.product.name }}</td>
+                        <td>{{ order.product.description }}</td>
+                        <td>&euro; {{ order.product.price }}</td>
+                        <td>
+                            {% if event.just_ended %}
+                                {% trans "You can no longer cancel." %}
+                            {% else %}
+                                <form class="form-horizontal pizza-order-form" method="post" action="{% url 'pizzas:cancel-order' %}">
+                                    {% csrf_token %}
+                                    <input type='hidden' name='order' value='{{ order.pk }}' />
+                                    <input type='submit' value='{% trans "Cancel" %}' class='btn btn-style1' onclick="return confirm('{% trans "Are you sure you want to cancel your order?" %}')" />
+                                </form>
+                            {% endif %}
+                        </td>
+                    </tr>
+                </table>
+            </div>
+            {% if event.just_ended %}
+                <style>
+                    .header-image {
+                        background-color: {{ order.paid|yesno:'#DFF0D8,#E05C50' }} !important;
+                        background-image: none !important;
+                        border-top: 1px solid {{ order.paid|yesno:'#8FCC74,#EED3D7' }} !important;
+                    }
+
+                    #main {
+                        border-top: 1px solid {{ order.paid|yesno:'8FCC74,EED3D7' }} !important;
+                    }
+                </style>
+            {% else %}
+                <h4>{% trans "Changing your order" %}</h4>
+            {% endif %}
+        {% elif event.just_ended %}
+            {% trans "You did not place an order." %}
+        {% endif %}
+        {% if not event.just_ended %}
+            <div style="overflow-x: auto;">
+                <table class="category table table-striped table-bordered table-hover">
+                    <tr>
+                        <th>{% trans "Name" %}</th>
+                        <th>{% trans "Description" %}</th>
+                        <th>{% trans "Price" %}</th>
+                        <th>{% if order %}{% trans "Modify" %}{% else %}{% trans "Order" %}{% endif %}</th>
+                    </tr>
+                    {% for product in products %}
+                        <tr>
+                            <td>{{ product.name }}</td>
+                            <td>{{ product.description }}</td>
+                            <td>&euro; {{ product.price }}</td>
+                            <td>
+                                <form class="form-horizontal pizza-order-form" method="post" action="{% url 'pizzas:order' %}">
+                                    {% csrf_token %}
+                                    <input type='hidden' name='product' value='{{ product.pk }}' />
+                                    <input type='submit' class='btn btn-style1' {% if order %}value='{% trans "Modify" %}' onclick="return confirm('{% trans "Are you sure you want to modify your order?" %}')"{% else %}value='{% trans "Order" %}'{% endif %} />
+                                </form>
+                            </td>
+                        </tr>
+                    {% endfor %}
+                </table>
+            </div>
+        {% endif %}
+    {% endif %}
+{% endif %}
+{% endblock %}

website/pizzas/templates/pizzas/orders.html

+{% extends "base.html" %}
+
+{% load i18n staticfiles %}
+
+{% block page_title %}{% trans "Pizzas" %}{% endblock %}
+
+{% block css_head %}
+{{ block.super }}
+<link href="{% static "pizzas/css/style.css" %}" rel="stylesheet" type="text/css">
+{% endblock %}
+
+{% block body %}
+<h1>
+    {% blocktrans %}Orders for {{ event.title }}{% endblocktrans %}
+</h1>
+
+<div id="button-container">
+    <a href="{% url 'pizzas:add-order' event.pk %}" class="btn btn-primary pull-right">{% trans "Add a new order" %}</a>
+    <a href="{% url 'admin:pizzas_pizzaevent_changelist' %}" class="btn btn-primary pull-right">{% trans "All events" %}</a>
+    <br><br>
+</div>
+<div style="overflow-x: auto;">
+    <table class="category table table-striped table-bordered table-hover">
+        <thead>
+            <tr>
+                <th scope="col">{% trans "Name" %}</th>
+                <th scope="col">{% trans "Product" %}</th>
+                <th class='paid-title' scope="col">{% trans "Paid" %}</th>
+                <th class="no-sort"><i class="fa fa-trash"></i></th>
+            </tr>
+        </thead>
+        <tbody>
+            {% for order in orders %}
+                <tr>
+                    <td>
+                        {{ order.member_name }}
+                    </td>
+                    <td>
+                        {{ order.product }}
+                    </td>
+                    <td>
+                        <input type="button" class="btn btn-style{{ order.paid|yesno:'3,4' }} paid-button" value="{% if order.paid %}{% trans 'Yes' %}{% else %}{% trans 'No' %}{% endif %}" data-id="{{ order.pk }}">
+                    </td>
+                    <td>
+                        <form class="form-horizontal delete-form" method="post" action="{% url 'pizzas:delete-order' %}">
+                            {% csrf_token %}
+                            <input type='hidden' name='order' value='{{ order.pk }}' />
+                            <button type="submit" class="btn btn-style1 btn" onclick="return confirm('{% trans "Are you sure you want to delete this order?" %}');">
+                                <i class="fa fa-trash"></i>
+                            </button>
+                        </form>
+                    </td>
+                </tr>
+            {% empty %}
+            <tr class="model-events">
+                <th scope="row">{% trans "Nobody ordered yet" %}</th>