Can filter by producer

Not sur the request nor the `producers` in the reflex should be like this. This is a proof of concept, and should probably be reviewed

Fix linter issues

app/reflexes/products_reflex.rb

@@ -24,6 +24,7 @@ class ProductsReflex < ApplicationReflex
     @per_page = params[:per_page]
     @page = 1
     @search_term = params[:search_term]
+    @producer_id = params[:producer_id]
 
     fetch_products
     render_products
@@ -35,7 +36,8 @@ class ProductsReflex < ApplicationReflex
     cable_ready.replace(
       selector: "#products-content",
       html: render(partial: "admin/products_v3/content",
-                   locals: { products: @products, pagy: @pagy, search_term: @search_term })
+                   locals: { products: @products, pagy: @pagy, search_term: @search_term,
+                             producer_options: producers, producer_id: @producer_id })
     ).broadcast
 
     cable_ready.replace_state(
@@ -45,6 +47,15 @@ class ProductsReflex < ApplicationReflex
     morph :nothing
   end
 
+  def producers
+    producers = if current_user.has_spree_role?("admin")
+                  Enterprise.all
+                else
+                  current_user.enterprises
+                end
+    producers.map { |p| [p.name, p.id] }
+  end
+
   # copied from ProductsTableComponent
   def fetch_products
     product_query = OpenFoodNetwork::Permissions.new(current_user)
@@ -64,7 +75,9 @@ class ProductsReflex < ApplicationReflex
 
   def ransack_query
     query = { s: "name desc" }
-    query.merge({ name_cont: @search_term }) if @search_term.present?
+    query = query.merge({ supplier_id_in: @producer_id }) if @producer_id.present?
+    query = query.merge({ name_cont: @search_term }) if @search_term.present?
+    query
   end
 
   # Optimise by pre-loading required columns

app/views/admin/products_v3/_content.html.haml

@@ -2,7 +2,7 @@
   - if products.any?
     .container
       .sixteen.columns
-        = render partial: 'filters', locals: { search_term: search_term }
+        = render partial: 'filters', locals: { search_term: search_term, producer_id: producer_id, producer_options: producer_options }
     .container
       .sixteen.columns
         = render partial: 'sort', locals: { pagy: pagy }

app/views/admin/products_v3/_filters.html.haml

@@ -2,6 +2,8 @@
   .query
     .search-input
       = text_field_tag :search_term, search_term, placeholder: t('.search_products')
+  .producers
+    = select_tag :producer_id, options_for_select(producer_options, producer_id), include_blank: t('.all_producers')
   .submit
     .search-button
       = submit_tag t(".search"), class: "secondary"

app/webpacker/css/admin/products_v3.scss

@@ -99,6 +99,7 @@
   }
 
   #filters {
+    gap: 20px;
     .query {
       flex-grow: 2;
       .search-input {

config/locales/en.yml

@@ -775,6 +775,7 @@ en:
             per_page: "%{num} per page"
       filters:
         search_products: Search for products
+        all_producers: All producers
         search: Search
       content:
         no_products_found: No products found

spec/system/admin/products_v3/products_spec.rb

@@ -11,6 +11,12 @@ describe 'As an admin, I can see the new product page' do
   let!(:products) { create_list(:simple_product, 70) }
   # create a product with a name that can be searched
   let!(:product_by_name) { create(:simple_product, name: "searchable product") }
+  # create a product with a supplier that can be searched
+  let!(:product_by_supplier) {
+    create(:simple_product,
+           supplier: create(:enterprise, name: "Producer 1"))
+  }
+
   before do
     # activate feature toggle admin_style_v3 to use new admin interface
     Flipper.enable(:admin_style_v3)
@@ -80,6 +86,17 @@ describe 'As an admin, I can see the new product page' do
       end
     end
 
+    context "search by producer" do
+      it "has a producer select" do
+        expect(page).to have_selector "select#producer_id"
+      end
+
+      it "can search for a product" do
+        search_by_producer "Producer 1"
+
+        expect(page).to have_select "producer_id", selected: "Producer 1"
+        expect_page_to_be 1
+        expect_products_count_to_be 1
       end
     end
   end
@@ -94,11 +111,16 @@ describe 'As an admin, I can see the new product page' do
   end
 
   def expect_products_count_to_be(count)
-    expect(page).to have_selector "table.products tbody", count: count
+    expect(page).to have_selector("table.products tbody", count:)
   end
 
   def search_for(term)
     fill_in "search_term", with: term
     click_button "Search"
   end
+
+  def search_by_producer(producer)
+    select producer, from: "producer_id"
+    click_button "Search"
+  end
 end