Add :datetime_step form field configuration

.formatter.exs

@@ -8,6 +8,7 @@ spark_locals_without_parens = [
   actor?: 1,
   actor_load: 1,
   create_actions: 1,
+  datetime_step: 1,
   default_resource_page: 1,
   destroy_actions: 1,
   field: 1,

lib/ash_admin/components/resource/form.ex

@@ -631,6 +631,16 @@ defmodule AshAdmin.Components.Resource.Form do
     end
   end
 
+  defp datetime_step(resource, attribute) do
+    case AshAdmin.Resource.field(resource, attribute.name) do
+      %{datetime_step: datetime_step} ->
+        datetime_step
+
+      _ ->
+        "60"
+    end
+  end
+
   defp unwrap_type({:array, type}), do: unwrap_type(type)
   defp unwrap_type(type), do: type
 
@@ -667,14 +677,23 @@ defmodule AshAdmin.Components.Resource.Form do
 
   def render_attribute_input(assigns, %{type: type} = attribute, form, value, name, id, _)
       when type in [Ash.Type.UtcDatetime, Ash.Type.UtcDatetimeUsec, Ash.Type.DateTime] do
-    assigns = assign(assigns, form: form, value: value, name: name, attribute: attribute, id: id)
+    assigns =
+      assign(assigns,
+        form: form,
+        value: value,
+        name: name,
+        attribute: attribute,
+        step: datetime_step(assigns.resource, attribute),
+        id: id
+      )
 
     ~H"""
     <.input
       type="datetime-local"
       value={value(@value, @form, @attribute)}
       name={@name || @form.name <> "[#{@attribute.name}]"}
       id={@id || @form.id <> "_#{@attribute.name}"}
+      step={@step}
     />
     """
   end

lib/ash_admin/resource/field.ex

@@ -7,7 +7,15 @@ defmodule AshAdmin.Resource.Field do
   @moduledoc """
   The representation of a configured field in the admin UI.
   """
-  defstruct [:name, :type, :default, :max_file_size, :accepted_extensions, :__spark_metadata__]
+  defstruct [
+    :name,
+    :type,
+    :default,
+    :max_file_size,
+    :accepted_extensions,
+    :datetime_step,
+    :__spark_metadata__
+  ]
 
   @schema [
     name: [
@@ -32,6 +40,12 @@ defmodule AshAdmin.Resource.Field do
       required: false,
       doc:
         "A list of unique file extensions (such as \".jpeg\") or mime type (such as \"image/jpeg\" or \"image/*\"). Only applicable to action arguments of `Ash.Type.File`."
+    ],
+    datetime_step: [
+      type: :string,
+      required: false,
+      doc:
+        "The value for the input's `step` property that determines it's precision. Defaults to \"60\", i.e. minute. Only applicable to action attributes and arguments that are datetimes, e.g. `Ash.Type.UtcDatetime`."
     ]
   ]