Check if org holds own stock

app/helpers/filters_helper.rb

@@ -91,6 +91,12 @@ module FiltersHelper
     [OpenStruct.new(id: "", name: "Select an option")] + organisation_options.map { |org| OpenStruct.new(id: org.id, name: org.name) }
   end
 
+  def show_scheme_managing_org_filter?(user)
+    org = user.organisation
+
+    user.support? || org.stock_owners.count > 1 || (org.holds_own_stock? && org.stock_owners.count.positive?)
+  end
+
 private
 
   def applied_filters_count(filter_type)

app/views/schemes/_scheme_filters.html.erb

@@ -23,7 +23,7 @@
                     category: "status",
                   } %>
 
-         <% if current_user.support? || current_user.organisation.stock_owners.count > 1 %>
+         <% if show_scheme_managing_org_filter?(current_user) %>
           <%= render partial: "filters/radio_filter", locals: {
             f:,
             options: {

spec/helpers/filters_helper_spec.rb

@@ -290,4 +290,74 @@ RSpec.describe FiltersHelper do
       end
     end
   end
+
+  describe "#show_scheme_managing_org_filter?" do
+    context "when support user" do
+      let(:user) { create(:user, :support, organisation: create(:organisation, stock_owners: [])) }
+
+      it "returns true" do
+        expect(show_scheme_managing_org_filter?(user)).to be true
+      end
+    end
+
+    context "when not support user" do
+      let(:stock_owner1) { create(:organisation) }
+      let(:stock_owner2) { create(:organisation) }
+
+      context "when org's stock_owners > 1" do
+        let(:user) { create(:user, organisation: create(:organisation, holds_own_stock: false)) }
+
+        before do
+          create(
+            :organisation_relationship,
+            child_organisation: user.organisation,
+            parent_organisation: stock_owner1,
+          )
+          create(
+            :organisation_relationship,
+            child_organisation: user.organisation,
+            parent_organisation: stock_owner2,
+          )
+        end
+
+        it "returns true" do
+          expect(show_scheme_managing_org_filter?(user)).to be true
+        end
+      end
+
+      context "when org's stock_owners == 1" do
+        before do
+          create(
+            :organisation_relationship,
+            child_organisation: user.organisation,
+            parent_organisation: stock_owner1,
+          )
+        end
+
+        context "when holds own stock" do
+          let(:user) { create(:user, organisation: create(:organisation, holds_own_stock: true)) }
+
+          it "returns true" do
+            expect(show_scheme_managing_org_filter?(user)).to be true
+          end
+        end
+
+        context "when does not hold own stock" do
+          let(:user) { create(:user, organisation: create(:organisation, holds_own_stock: false)) }
+
+          it "returns false" do
+            expect(show_scheme_managing_org_filter?(user)).to be false
+          end
+        end
+      end
+
+      context "when org's stock_owners == 0" do
+        let(:user) { create(:user) }
+
+        it "returns false" do
+          expect(show_scheme_managing_org_filter?(user)).to be false
+        end
+      end
+    end
+  end
 end

spec/requests/schemes_controller_spec.rb

@@ -336,12 +336,6 @@ RSpec.describe SchemesController, type: :request do
             let!(:scheme1) { create(:scheme, owning_organisation: organisation1) }
             let!(:scheme2) { create(:scheme, owning_organisation: user.organisation) }
 
-            # before do
-            #   org = user.organisation
-            #   org.stock_owners = [organisation1, user.organisation]
-            #   org.save!
-            # end
-
             context "when filtering by all owning orgs" do
               it "shows schemes for all owning orgs" do
                 get "/schemes?owning_organisation_select=all", headers:, params: {}