Display generation button for relation image on the sheet

1 files changed, 18 insertions, 1 deletions

diff --git a/ishtar_common/models.py b/ishtar_common/models.py
index cbf1431a7..4d8243af4 100644
--- a/ishtar_common/models.py
+++ b/ishtar_common/models.py
@@ -62,7 +62,8 @@ from simple_history.models import HistoricalRecords as BaseHistoricalRecords
 
 from ishtar_common.model_merging import merge_model_objects
 from ishtar_common.utils import get_cache, disable_for_loaddata, create_slug,\
-    get_all_field_names, merge_tsvectors, cached_label_changed
+    get_all_field_names, merge_tsvectors, cached_label_changed, \
+    generate_relation_graph
 
 from ishtar_common.models_imports import ImporterModel, ImporterType, \
     ImporterDefault, ImporterDefaultValues, ImporterColumn, \
@@ -984,6 +985,22 @@ class BulkUpdatedItem(object):
         return transaction_id, False
 
 
+class RelationItem(models.Model):
+    """
+    Items with relation between them
+    """
+    relation_image = models.FileField(
+        _(u"Generated relation image (SVG)"), null=True, blank=True,
+        upload_to=get_image_path
+    )
+
+    class Meta:
+        abstract = True
+
+    def generate_relation_image(self):
+        generate_relation_graph(self)
+
+
 class JsonDataSection(models.Model):
     content_type = models.ForeignKey(ContentType)
     name = models.CharField(_(u"Name"), max_length=200)