fix(forms): Render hidden initial field values

Author: mihalikv

src/django_smartbase_admin/templatetags/sb_admin_tags.py

@@ -148,6 +148,13 @@ def render_widget(widget, request):
     return widget.render(request)
 
 
+def _render_with_hidden_initial(form_field, attrs=None):
+    rendered = form_field.as_widget(attrs=attrs)
+    if form_field.field.show_hidden_initial:
+        rendered += form_field.as_hidden(only_initial=True)
+    return rendered
+
+
 @register.simple_tag(takes_context=True)
 def sb_admin_render_form_field(context, form_field, label_as_placeholder=False):
     request = context["request"]
@@ -159,12 +166,12 @@ def sb_admin_render_form_field(context, form_field, label_as_placeholder=False):
     if label_as_placeholder:
         form_field.field.widget.attrs["placeholder"] = form_field.field.label
         form_field.field.label = None
-    return form_field.as_widget()
+    return _render_with_hidden_initial(form_field)
 
 
 @register.simple_tag
 def sb_admin_render_inline_table_field(form_field):
-    return form_field.as_widget(attrs={"sbadmin_hide_label": True})
+    return _render_with_hidden_initial(form_field, attrs={"sbadmin_hide_label": True})
 
 
 @register.simple_tag

src/django_smartbase_admin/tests/test_inline_table_field_rendering.py

@@ -1,7 +1,7 @@
 from django import forms
 from django.db import models
 from django.template import Context, Template
-from django.test import SimpleTestCase
+from django.test import RequestFactory, SimpleTestCase
 
 from django_smartbase_admin.admin.site import sb_admin_site
 from django_smartbase_admin.monkeypatch.admin_readonly_field_monkeypatch import (
@@ -85,6 +85,42 @@ class ExampleForm(forms.Form):
         self.assertIn("Enabled", html)
         self.assertNotIn("sbadmin_hide_label", html)
 
+    def test_inline_table_field_renders_hidden_initial(self):
+        class ExampleForm(forms.Form):
+            field = forms.CharField(
+                initial=lambda: "initial value",
+                show_hidden_initial=True,
+            )
+
+        html = self.render_inline_table_field(ExampleForm())
+
+        self.assertIn('name="field"', html)
+        self.assertIn('type="hidden"', html)
+        self.assertIn('name="initial-field"', html)
+
+    def test_form_field_renders_hidden_initial(self):
+        class ExampleForm(forms.Form):
+            field = forms.CharField(
+                initial=lambda: "initial value",
+                show_hidden_initial=True,
+            )
+
+        template = Template(
+            "{% load sb_admin_tags %}{% sb_admin_render_form_field form.field %}"
+        )
+        html = template.render(
+            Context(
+                {
+                    "form": ExampleForm(),
+                    "request": RequestFactory().get("/"),
+                }
+            )
+        )
+
+        self.assertIn('name="field"', html)
+        self.assertIn('type="hidden"', html)
+        self.assertIn('name="initial-field"', html)
+
     def test_inline_table_readonly_field_hides_own_label(self):
         form = InlineReadonlyDemoForm(
             instance=InlineReadonlyDemoModel(name="Saved name")