Event Items now saved using JSON rather than an AJAX request

RIGS/forms.py

@@ -1,8 +1,12 @@
 __author__ = 'Ghost'
 from django import forms
 from django.utils import formats
-from RIGS import models
 from django.conf import settings
+from django.core import serializers
+import simplejson
+
+from RIGS import models
+
 
 # Events Shit
 class EventForm(forms.ModelForm):
@@ -11,6 +15,71 @@ class EventForm(forms.ModelForm):
     access_at = forms.DateTimeField(input_formats=datetime_input_formats, required=False)
     name = forms.CharField(min_length=3)
 
+    items_json = forms.CharField()
+
+    items = {}
+
+    @property
+    def _get_items_json(self):
+        items = {}
+        for item in self.instance.items.all():
+            data = serializers.serialize('json', [item])
+            struct = simplejson.loads(data)
+            items[item.pk] = simplejson.dumps(struct[0])
+        return simplejson.dumps(items)
+
+    def __init__(self, *args, **kwargs):
+        super(EventForm, self).__init__(*args, **kwargs)
+
+        self.fields['items_json'].initial = self._get_items_json
+
+    def process_items_json(self, event=None):
+        data = simplejson.loads(self.cleaned_data['items_json'])
+        items = {}
+        for key in data:
+            pk = int(key)
+            items[pk] = self._get_or_initialise_item(pk, data[key]['fields'], event)
+
+        return items
+
+    def _get_or_initialise_item(self, pk, data, event):
+        if (pk < 0):
+            item = models.EventItem()
+        else:
+            item = models.EventItem.objects.get(pk=pk)
+
+        item.name = data['name']
+        item.description = data['description']
+        item.quantity = data['quantity']
+        item.cost = data['cost']
+        item.order = data['order']
+
+        if (event):
+            item.event = event
+            item.full_clean()
+        else:
+            item.full_clean('event')
+
+        return item
+
+    def save(self, commit=True):
+        m = super(EventForm, self).save(commit=False)
+
+        if (commit):
+            m.save()
+            cur_items = m.items.all()
+            items = self.process_items_json(m)
+            # Delete any unneeded items
+            for item in cur_items:
+                if item.pk not in items:
+                    item.delete()
+
+            for key in items:
+                items[key].save()
+
+
+        return m
+
     class Meta:
         model = models.Event
         fields = ['is_rig', 'name', 'venue', 'start_date', 'start_time', 'end_date',

RIGS/models.py

@@ -232,7 +232,7 @@ class Event(models.Model, RevisionMixin):
 
 
 class EventItem(models.Model):
-    event = models.ForeignKey('Event', related_name='items')
+    event = models.ForeignKey('Event', related_name='items', blank=True)
     name = models.CharField(max_length=255)
     description = models.TextField(blank=True, null=True)
     quantity = models.IntegerField()

RIGS/rigboard.py

@@ -35,7 +35,6 @@ class EventCreate(generic.CreateView):
     def get_success_url(self):
         return reverse_lazy('event_detail', kwargs={'pk': self.object.pk})
 
-
 class EventUpdate(generic.UpdateView):
     model = models.Event
     form_class = forms.EventForm

RIGS/static/js/interaction.js

@@ -1,3 +1,10 @@
+function setupItemTable(items_json) {
+    objectitems = JSON.parse(items_json)
+    $.each(objectitems, function(key, val) {
+        objectitems[key] = JSON.parse(val);
+    })
+}
+
 function updatePrices() {
 	var sum = 0;
 	$('.sub-total').each(function() {
@@ -122,7 +129,6 @@ $("#item-table tbody").sortable({
 			pk = $('#'+value).data('pk');
 			itemorder[key] = pk;
 		});
-		data = JSON.stringify(itemorder);
-		$.post($('#item-table').data('orderurl'), data);
+
 	}
 });

RIGS/templates/RIGS/event_form.html

@@ -61,6 +61,10 @@
                 })
             {% endif %}
         })
+
+        $(document).ready(function() {
+            setupItemTable($("#{{ form.items_json.id_for_label }}").val());
+        });
     </script>
 {% endblock %}
 
@@ -75,6 +79,9 @@
     {% include 'form_errors.html' %}
     <form class="form-horizontal" role="form" method="POST">{% csrf_token %}
     {% render_field form.is_rig style="display: none" %}
+    <input type="hidden" name="{{ form.items_json.name }}" id="{{ form.items_json.id_for_label }}" value="{{ form.items_json.value }}" />
+
+    {# New rig buttons #}
     {% if not object.pk %}
         <div class="col-md-12 well">
             <div class="form-group" id="is_rig-selector">
@@ -89,6 +96,8 @@
             </div>
         </div>
     {% endif %}
+
+    {# Contact details #}
     <div class="col-md-6">
         <div class="panel panel-default form-hws form-is_rig  {% if object.pk and not object.is_rig %}hidden{% endif %}">
             <div class="panel-heading">Contact Details</div>
@@ -162,6 +171,7 @@
     </div>
     <!-- /.col-md-6 -->
 
+    {# Event details #}
     <div class="col-md-6">
         <div class="panel panel-default form-hws form-non_rig">
             <div class="panel-heading">Event Details</div>
@@ -307,8 +317,10 @@
         </div>
     </div>
     <!-- /.col-md-6 -->
+
+    {# Notes and item shit #}
     <div class="col-sm-12">
-         <div class="panel panel-default form-hws form-is_rig  {% if object.pk and not object.is_rig %}hidden{% endif %}">
+        <div class="panel panel-default form-hws form-is_rig  {% if object.pk and not object.is_rig %}hidden{% endif %}">
             <div class="panel-body">
                 <div class="form-group">
                     <label for="{{ form.notes.id_for_label }}">{{ form.notes.label }}</label>
@@ -316,9 +328,10 @@
                 </div>
                 {% include "RIGS/item_table.html" %}
             </div>
-         </div>
+        </div>
     </div>
     </form>
+
     <div class="modal fade" id="itemModal" role="dialog" aria-labelledby="itemModal" aria-hidded="true">
         <div class="modal-dialog">
             <div class="modal-content">

RIGS/views.py

@@ -36,8 +36,6 @@ Called from a modal window (e.g. when an item is submitted to an event/invoice).
 May optionally also include some javascript in a success message to cause a load of
 the new information onto the page.
 """
-
-
 class CloseModal(generic.TemplateView):
     template_name = 'closemodal.html'