Motion Identifier

openslides/motion/__init__.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 """
     openslides.motion

openslides/motion/models.py

@@ -16,7 +16,7 @@
 from datetime import datetime
 
 from django.core.urlresolvers import reverse
-from django.db import models
+from django.db import models, IntegrityError
 from django.db.models import Max
 from django.dispatch import receiver
 from django.utils import formats
@@ -65,6 +65,12 @@ class Motion(SlideMixin, models.Model):
                                   unique=True)
     """A string as human readable identifier for the motion."""
 
+    identifier_number = models.IntegerField(null=True)
+    """Counts the number of the motion in one category.
+
+    Needed to find the next free motion-identifier.
+    """
+
     category = models.ForeignKey('Category', null=True, blank=True)
     """ForeignKey to one category of motions."""
 
@@ -170,6 +176,29 @@ class Motion(SlideMixin, models.Model):
         if link == 'delete':
             return reverse('motion_delete', args=[str(self.id)])
 
+    def set_identifier(self):
+        # TODO: into the config-tab
+        config['motion_identifier'] = ('manuell', 'category', 'all')[0]
+
+        number = Motion.objects.all().aggregate(Max('identifier_number'))['identifier_number__max'] or 0
+        if self.category is not None:
+            prefix = self.category.prefix + ' '
+        else:
+            prefix = ''
+
+        while True:
+            number += 1
+            self.identifier = '%s%d' % (prefix, number)
+            try:
+                self.save()
+            except IntegrityError:
+                continue
+            else:
+                self.number = number
+                self.save()
+                break
+
+
     def get_title(self):
         """Get the title of the motion.
 
@@ -346,6 +375,18 @@ class Motion(SlideMixin, models.Model):
         else:
             raise WorkflowError('You can not create a poll in state %s.' % self.state.name)
 
+    def set_state(self, state):
+        """Set the state of the motion.
+
+        State can be the id of a state object or a state object.
+        """
+        if type(state) is int:
+            state = State.objects.get(pk=state)
+
+        if state.set_identifier:
+            self.set_identifier()
+        self.state = state
+
     def reset_state(self):
         """Set the state to the default state. If the motion is new, it chooses the default workflow from config."""
         if self.state:
@@ -692,6 +733,9 @@ class State(models.Model):
     dont_set_new_version_active = models.BooleanField(default=False)
     """If true, new versions are not automaticly set active."""
 
+    set_identifier = models.BooleanField(default=False)
+    """If true, the motion get a identifier if the state change to this one."""
+
     def __unicode__(self):
         """Returns the name of the state."""
         return self.name

openslides/motion/templates/motion/motion_detail.html

@@ -11,8 +11,8 @@
     {{ motion.title }}
     <br>
     <small>
-    {% if motion.number != None %}
-        {% trans "Motion" %} {{ motion.number }},
+    {% if motion.identifier != None %}
+        {% trans "Motion" %} {{ motion.identifier }},
     {% else %}
         <i>[{% trans "no number" %}]</i>,
     {% endif %}

openslides/motion/urls.py

@@ -40,6 +40,11 @@ urlpatterns = patterns('openslides.motion.views',
         name='motion_delete',
     ),
 
+    url(r'^(?P<pk>\d+)/set_identifier',
+        'set_identifier',
+        name='motion_set_identifier',
+    ),
+
     url(r'^(?P<pk>\d+)/version/(?P<version_number>\d+)/$',
         'motion_detail',
         name='motion_version_detail',

openslides/motion/views.py

@@ -230,6 +230,30 @@ class VersionRejectView(GetVersionMixin, SingleObjectMixin, QuestionMixin, Redir
 version_reject = VersionRejectView.as_view()
 
 
+class SetIdentifierView(SingleObjectMixin, RedirectView):
+    """Set the identifier of the motion.
+
+    See motion.set_identifier for more informations
+    """
+    permission_required = 'motion.can_manage_motion'
+    model = Motion
+    url_name = 'motion_detail'
+
+    def get(self, request, *args, **kwargs):
+        """Set self.object to a motion."""
+        self.object = self.get_object()
+        return super(SetIdentifierView, self).get(request, *args, **kwargs)
+
+    def pre_redirect(self, request, *args, **kwargs):
+        """Set the identifier."""
+        self.object.set_identifier()
+
+    def get_url_name_args(self):
+        return [self.object.id]
+
+set_identifier = SetIdentifierView.as_view()
+
+
 class SupportView(SingleObjectMixin, QuestionMixin, RedirectView):
     """View to support or unsupport a motion.
 
@@ -401,7 +425,7 @@ class MotionSetStateView(SingleObjectMixin, RedirectView):
             if self.reset:
                 self.object.reset_state()
             else:
-                self.object.state = State.objects.get(pk=kwargs['state'])
+                self.object.set_state(int(kwargs['state']))
         except WorkflowError, e:  # TODO: Is a WorkflowError still possible here?
             messages.error(request, e)
         else: