pejorativefox · April 7, 2013 14:27 · Apr 7, 2013
diff --git a/gistfile1.py b/gistfile1.py
@@ -0,0 +1,92 @@
+"""
+Models and managers for the action system
+"""
+
+## Setup logger
+import logging
+log = logging.getLogger('action.models')
+
+## Django imports
+from django.db import models
+from django.core.exceptions import ObjectDoesNotExist
+# Content types
+from django.contrib.contenttypes.models import ContentType
+from django.contrib.contenttypes import generic
+## Local imports
+from . signals import action_created
+
+
+class VerbModelManager(models.Manager):
+    """
+    """
+    def resolve_verb_string(self, verb_string):
+        """ Resolve a string to a verb """
+        try:
+            verb = self.get(name=verb_string)
+        except ObjectDoesNotExist as e:
+            log.error(
+                'Verb string did not resolve properly: {0}'.format(e.message))
+            raise e
+        else:
+            return verb
+
+
+class VerbModel(models.Model):
+    """
+    """
+    #: The name of the verb
+    name = models.CharField(max_length=64, unique=True)
+    #: A slug for the name, for url use
+    slug = models.SlugField(auto_created=True)
+    #: The default visibility. Should be false for backend actions.
+    public = models.BooleanField(default=False)
+    #: Display string template. Just a string useable by str.format
+    display_string_template = models.TextField(
+            default='src:{0}, verb:{1}, target{2}')
+    #: Content type for the meta data: eg, facebook action id etc.
+    meta_data_type = models.ForeignKey(ContentType, null=True)
+
+    #: Reverse relationship for all actions associated with the verb
+    actions = generic.GenericRelation('ActionModel')
+    #: Custom model manager
+    objects = VerbModelManager()
+
+
+
+class ActionModelManager(models.Manager):
+    """
+    """
+    def new_action(self, source, target, verb_string):
+        verb = VerbModel.objects.resolve_verb_string(verb_string)
+        action = None # TODO stub
+        action_created.send(action, source=source, target=target, verb=verb)
+
+
+class ActionModel(models.Model):
+    """
+    """
+    #: A verb to signify what the action did.
+    verb = models.ForeignKey('VerbModel')
+    #: The date and time of the action, defaults to creation time.
+    datetime = models.DateTimeField(auto_now=True)
+
+    #: The content type of the target object
+    target_type = models.ForeignKey(ContentType)
+    #: The id of the target object
+    target_id = models.PositiveIntegerField()
+    #: A generic object that the action targeted
+    target = generic.GenericForeignKey('target_type', 'target_id')
+
+    #: The content type of the source object
+    source_type = models.ForeignKey(ContentType)
+    #: The id of the source object
+    source_id = models.PositiveIntegerField()
+    #: A generic object that was the actor of the action
+    source = generic.GenericForeignKey('source_type', 'source_id')
+
+    #: The id of the meta data model
+    meta_data = models.PositiveIntegerField()
+
+    #: Custom object manager
+    objects = ActionModelManager()
+
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