Natural key for warehouse, container.

1 files changed, 51 insertions, 1 deletions

diff --git a/ishtar_common/models.py b/ishtar_common/models.py
index a73ba8155..c9fc8eec4 100644
--- a/ishtar_common/models.py
+++ b/ishtar_common/models.py
@@ -441,7 +441,7 @@ def post_save_cache(sender, **kwargs):
     sender.refresh_cache()
 
 
-class ExternalIdManager(models.Manager):
+class ExternalIdManager(models.GeoManager):
     def get_by_natural_key(self, external_id):
         return self.get(external_id=external_id)
 
@@ -2604,6 +2604,11 @@ organization_type_pk_lazy = lazy(OrganizationType.get_or_create_pk, unicode)
 organization_type_pks_lazy = lazy(OrganizationType.get_or_create_pks, unicode)
 
 
+class OrganizationManager(models.Manager):
+    def get_by_natural_key(self, name, organization_type):
+        return self.get(name=name, organization_type__txt_idx=organization_type)
+
+
 class Organization(Address, Merge, OwnPerms, ValueGetter):
     TABLE_COLS = ('name', 'organization_type', 'town')
     SHOW_URL = 'show-organization'
@@ -2628,6 +2633,7 @@ class Organization(Address, Merge, OwnPerms, ValueGetter):
             activate(language_code)
             EXTRA_REQUEST_KEYS[unicode(v[0])] = v[1]
             deactivate()
+    objects = OrganizationManager()
 
     # fields
     name = models.CharField(_(u"Name"), max_length=500)
@@ -2653,6 +2659,8 @@ class Organization(Address, Merge, OwnPerms, ValueGetter):
             return self.name
         return u"{} - {}".format(self.organization_type,
                                  self.town or "")
+    def natural_key(self):
+        return (self.name, self.organization_type.txt_idx)
 
     def __unicode__(self):
         if self.cached_label:
@@ -2715,6 +2723,19 @@ post_save.connect(post_save_cache, sender=TitleType)
 post_delete.connect(post_save_cache, sender=TitleType)
 
 
+class PersonManager(models.Manager):
+    def get_by_natural_key(
+            self, name, surname, attached_to_name,
+            attached_to_organization_type):
+        q = {"name": name, "surname": surname}
+        if attached_to_name:
+            q['attached_to__name'] = attached_to_name
+        if attached_to_organization_type:
+            q['attached_to__organization_type__txt_idx'] = \
+                attached_to_organization_type
+        return self.get(**q)
+
+
 class Person(Address, Merge, OwnPerms, ValueGetter):
     _prefix = 'person_'
     TYPE = (
@@ -2775,6 +2796,7 @@ class Person(Address, Merge, OwnPerms, ValueGetter):
             activate(language_code)
             EXTRA_REQUEST_KEYS[unicode(v[0])] = v[1]
             deactivate()
+    objects = PersonManager()
 
     # fields
     old_title = models.CharField(_(u"Title"), max_length=100, choices=TYPE,
@@ -2811,6 +2833,12 @@ class Person(Address, Merge, OwnPerms, ValueGetter):
             ("delete_own_person", u"Can delete own Person"),
         )
 
+    def natural_key(self):
+        if not self.attached_to:
+            return (self.name, self.surname, '', '')
+        return (self.name, self.surname, self.attached_to.name,
+                self.attached_to.organization_type.txt_idx)
+
     @property
     def full_title(self):
         return u" ".join(
@@ -3299,6 +3327,20 @@ post_save.connect(post_save_cache, sender=AuthorType)
 post_delete.connect(post_save_cache, sender=AuthorType)
 
 
+class AuthorManager(models.Manager):
+    def get_by_natural_key(
+            self, name, surname, attached_to_name,
+            attached_to_organization_type, author_type):
+        q = {"name": name, "surname": surname,
+             "author_type__txt_idx": author_type}
+        if attached_to_name:
+            q['attached_to__name'] = attached_to_name
+        if attached_to_organization_type:
+            q['attached_to__organization_type__txt_idx'] = \
+                attached_to_organization_type
+        return self.get(**q)
+
+
 class Author(FullSearch):
     PARENT_SEARCH_VECTORS = ['person']
     SLUG = "author"
@@ -3308,6 +3350,7 @@ class Author(FullSearch):
     author_type = models.ForeignKey(AuthorType, verbose_name=_(u"Author type"))
     cached_label = models.TextField(_(u"Cached name"), null=True, blank=True,
                                     db_index=True)
+    objects = AuthorManager()
 
     class Meta:
         verbose_name = _(u"Author")
@@ -3327,6 +3370,9 @@ class Author(FullSearch):
         self.save()
         return self.cached_label
 
+    def natural_key(self):
+        return self.person.natural_key() + (self.author_type.txt_idx, )
+
     def _generate_cached_label(self):
         return unicode(self.person) + settings.JOINT + \
             unicode(self.author_type)
@@ -3476,6 +3522,7 @@ class Document(OwnPerms, ImageModel, FullSearch, Imported):
             activate(language_code)
             EXTRA_REQUEST_KEYS[unicode(v[0])] = v[1]
             deactivate()
+    objects = ExternalIdManager()
 
     title = models.TextField(_(u"Title"), blank=True, default='')
     associated_file = models.FileField(
@@ -3543,6 +3590,9 @@ class Document(OwnPerms, ImageModel, FullSearch, Imported):
     def __unicode__(self):
         return self.title
 
+    def natural_key(self):
+        return (self.external_id, )
+
     """
     @property
     def code(self):