# Identifier Generator View

* refactors identifier generator view methods into classes
* introduces IdentifierGenerator
* introduces AbstractIdentifierGeneratorView

konova/utils/generators.py

@@ -62,3 +62,26 @@ def generate_qr_code(content: str, size: int = 20) -> str:
     stream = BytesIO()
     qrcode_img.save(stream)
     return stream.getvalue().decode()
+
+
+class IdentifierGenerator:
+    _MODEL = None
+
+    def __init__(self, model):
+        from konova.models import BaseObject
+        if not issubclass(model, BaseObject):
+            raise AssertionError("Model must be a subclass of BaseObject!")
+
+        self._MODEL = model
+
+    def generate_id(self) -> str:
+        """ Generates a unique identifier
+
+        Returns:
+
+        """
+        unpersisted_object = self._MODEL()
+        identifier = unpersisted_object.generate_new_identifier()
+        while self._MODEL.objects.filter(identifier=identifier).exists():
+            identifier = unpersisted_object.generate_new_identifier()
+        return identifier

konova/views/identifier.py

@@ -0,0 +1,32 @@
+"""
+Author: Michel Peltriaux
+Created on: 14.12.25
+
+"""
+from django.contrib.auth.mixins import LoginRequiredMixin
+from django.http import HttpRequest, JsonResponse
+from django.utils.decorators import method_decorator
+from django.views import View
+
+from konova.decorators import default_group_required
+from konova.utils.generators import IdentifierGenerator
+
+
+class AbstractIdentifierGeneratorView(LoginRequiredMixin, View):
+    _MODEL = None
+
+    class Meta:
+        abstract = True
+
+    @method_decorator(default_group_required)
+    def dispatch(self, request, *args, **kwargs):
+        return super().dispatch(request, *args, **kwargs)
+
+    def get(self, request: HttpRequest, *args, **kwargs):
+        generator = IdentifierGenerator(model=self._MODEL)
+        identifier = generator.generate_id()
+        return JsonResponse(
+            data={
+                "gen_data": identifier
+            }
+        )