Make the category/group name unique index case insensitive

Author: IvanIvanoff

lib/sanbase/metric/category/metric_group.ex

@@ -62,7 +62,7 @@ defmodule Sanbase.Metric.Category.MetricGroup do
   def create(attrs) do
     %__MODULE__{}
     |> changeset(attrs)
-    |> Repo.insert()
+    |> Repo.insert(on_conflict: :nothing)
   end
 
   @doc """

lib/sanbase/metric/category/scripts/copy_categories.ex

@@ -34,6 +34,7 @@ defmodule Sanbase.Metric.Category.Scripts.CopyCategories do
       case map do
         %{metric_registry_id: metric_registry_id} when is_integer(metric_registry_id) ->
           Sanbase.Metric.Category.create_mapping(%{
+            # metric: map.metric,
             metric_registry_id: metric_registry_id,
             category_id: category_id,
             group_id: group_id,

priv/repo/migrations/20251030132017_improve_categorization_unique_index.exs

@@ -0,0 +1,18 @@
+defmodule Sanbase.Repo.Migrations.ImproveCategorizationUniqueIndex do
+  use Ecto.Migration
+
+  def change do
+    drop(unique_index(:metric_categories, [:name]))
+    drop(unique_index(:metric_groups, [:name, :category_id]))
+
+    create(
+      unique_index(:metric_categories, ["(lower(name))"], name: :metric_categories_name_index)
+    )
+
+    create(
+      unique_index(:metric_groups, ["(lower(name))", :category_id],
+        name: :metric_groups_name_category_id_index
+      )
+    )
+  end
+end

priv/repo/structure.sql

@@ -8343,7 +8343,7 @@ CREATE INDEX menus_user_id_index ON public.menus USING btree (user_id);
 -- Name: metric_categories_name_index; Type: INDEX; Schema: public; Owner: -
 --
 
-CREATE UNIQUE INDEX metric_categories_name_index ON public.metric_categories USING btree (name);
+CREATE UNIQUE INDEX metric_categories_name_index ON public.metric_categories USING btree (lower((name)::text));
 
 
 --
@@ -8371,7 +8371,7 @@ CREATE UNIQUE INDEX metric_category_mappings_module_metric_category_id_group_id_
 -- Name: metric_groups_name_category_id_index; Type: INDEX; Schema: public; Owner: -
 --
 
-CREATE UNIQUE INDEX metric_groups_name_category_id_index ON public.metric_groups USING btree (name, category_id);
+CREATE UNIQUE INDEX metric_groups_name_category_id_index ON public.metric_groups USING btree (lower((name)::text), category_id);
 
 
 --
@@ -11147,3 +11147,4 @@ INSERT INTO public."schema_migrations" (version) VALUES (20251023083446);
 INSERT INTO public."schema_migrations" (version) VALUES (20251023114153);
 INSERT INTO public."schema_migrations" (version) VALUES (20251027142731);
 INSERT INTO public."schema_migrations" (version) VALUES (20251027154645);
+INSERT INTO public."schema_migrations" (version) VALUES (20251030132017);