1 files changed, 33 insertions, 0 deletions
diff --git a/ishtar_common/models.py b/ishtar_common/models.py
index a5e666b13..e05bcad2d 100644
--- a/ishtar_common/models.py
+++ b/ishtar_common/models.py
@@ -3237,6 +3237,16 @@ def text_format(text, text_format):
 class BiographicalNote(BaseHistorizedItem, ValueGetter, MainItem):
     SLUG = "biographicalnote"
     denomination = models.TextField(_("Denomination"))
+    slug = models.SlugField(
+        _("Textual ID"),
+        max_length=300,
+        help_text=_(
+            "The slug is the standardized version of the name. It contains "
+            "only lowercase letters, numbers and hyphens. Each slug must "
+            "be unique."
+        ),
+        blank=True,
+    )
     last_name = models.TextField(_("Last name"), blank=True, default="")
     first_name = models.TextField(_("First name"), blank=True, default="")
     birth_year = models.PositiveIntegerField(_("Year of birth"), blank=True, null=True)
@@ -3267,6 +3277,29 @@ class BiographicalNote(BaseHistorizedItem, ValueGetter, MainItem):
     def __str__(self):
         return self.denomination
 
+    def history_compress(self):
+        return self.slug
+
+    @classmethod
+    def history_decompress(cls, full_value, create=False):
+        if not full_value:
+            return []
+        res = []
+        for value in full_value:
+            try:
+                res.append(cls.objects.get(slug=value))
+            except cls.DoesNotExist:
+                continue
+        return res
+
+    def set_slug(self):
+        self.slug = create_slug(self.__class__, self.denomination, max_length=250, pk=self.pk)
+
+    def save(self, *args, **kwargs):
+        if not self.slug:
+            self.set_slug()
+        return super().save(*args, **kwargs)
+
 
 GDPR_ACTIVITY = (
     ("DC", _("Directory consultation")),