Per review, extract tags options from template

Now it also scope the tags to the available variant, ie the logged in
user will only see only tag that was used by them.

app/controllers/admin/products_v3_controller.rb

@@ -10,7 +10,8 @@ module Admin
 
     def index
       fetch_products
-      render "index", locals: { producers:, categories:, tax_category_options:, flash: }
+      render "index",
+             locals: { producers:, categories:, tax_category_options:, available_tags:, flash: }
 
       session[:products_return_to_url] = request.url
     end
@@ -30,7 +31,9 @@ module Admin
         @error_counts = { saved: product_set.saved_count, invalid: product_set.invalid.count }
 
         render "index", status: :unprocessable_entity,
-                        locals: { producers:, categories:, tax_category_options:, flash: }
+                        locals: {
+                          producers:, categories:, tax_category_options:, available_tags:, flash:
+                        }
       end
     end
 
@@ -136,9 +139,22 @@ module Admin
       Spree::TaxCategory.order(:name).pluck(:name, :id)
     end
 
+    def available_tags
+      variants = Spree::Variant.where(
+        product: OpenFoodNetwork::Permissions.new(spree_current_user)
+          .editable_products
+          .merge(product_scope)
+      )
+
+      ActsAsTaggableOn::Tag.joins(:taggings).where(
+        taggings: { taggable_type: "Spree::Variant", taggable_id: variants }
+      ).distinct.order(:name).pluck(:name)
+    end
+
     def fetch_products
       product_query = OpenFoodNetwork::Permissions.new(spree_current_user)
-        .editable_products.merge(product_scope).ransack(ransack_query).result
+        .editable_products.merge(product_scope_with_includes).ransack(ransack_query).result
+
       @pagy, @products = pagy(product_query.order(:name), limit: @per_page, page: @page,
                                                           size: [1, 2, 2, 1])
     end
@@ -151,7 +167,11 @@ module Admin
                 Spree::Product.active
               end
 
-      scope.includes(product_query_includes).distinct
+      scope.distinct
+    end
+
+    def product_scope_with_includes
+      product_scope.includes(product_query_includes)
     end
 
     def ransack_query

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

@@ -10,11 +10,13 @@
                                               producer_id:,
                                               producer_options:,
                                               category_options:,
-                                              category_id: } if display_search_filter
+                                              category_id:,
+                                              available_tags:,
+                                              tags:} if display_search_filter
   - if products.any?
     .container.results
       .sixteen.columns
-        = render partial: 'sort', locals: { pagy: pagy, search_term: search_term, producer_id: producer_id, category_id: category_id }
+        = render partial: 'sort', locals: { pagy:, search_term:, producer_id:, category_id:, tags: }
         = render partial: 'table', locals: { products:, producer_options:, category_options:, tax_category_options: }
     - if pagy.present? && pagy.pages > 1
       = render partial: 'admin/shared/stimulus_pagination', locals: { pagy: pagy }

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

@@ -23,7 +23,7 @@
       - select_tag_options = { class: "fullwidth",
                                multiple: true ,
                                data: { controller: "tom-select", "tom-select-placeholder-value": t(".select_tag"), "tom-select-options-value": '{ "maxItems": 5 , "plugins": { "remove_button": {} , "no_active_items": {},  "checkbox_options": { "checkedClassNames": ["ts-checked"], "uncheckedClassNames": ["ts-unchecked"] } } }' } }
-      = select_tag :tags_name_in, options_for_select(ActsAsTaggableOn::Tag.for_context("variant_tag").distinct.order(:name).pluck(:name), @tags), select_tag_options
+      = select_tag :tags_name_in, options_for_select(available_tags, tags), select_tag_options
   .submit
     .search-button
       = button_tag t(".search"), class: "secondary icon-search relaxed", name: nil

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

@@ -3,7 +3,7 @@
     - if pagy.present?
       = t(".pagination.products_total_html", count: pagy.count, from: pagy.from, to: pagy.to)
 
-    - if search_term.present? || producer_id.present? || category_id.present?
+    - if search_term.present? || producer_id.present? || category_id.present? || tags.present?
       %a{ href: url_for(page: 1), class: "button disruptive", data: { 'turbo-frame': "_self", 'turbo-action': "advance" } }
         = t(".pagination.clear_search")
 

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

@@ -15,7 +15,8 @@
   = render partial: "content", locals: { products: @products, pagy: @pagy, search_term: @search_term,
                                producer_options: producers, producer_id: @producer_id,
                                category_options: categories, category_id: @category_id,
-                               tax_category_options:, flashes: flash,
+                               tax_category_options:, available_tags:, tags: @tags,
+                               flashes: flash,
                                display_search_filter: (@products.any? || @search_term.present? || @category_id.present?) }
   - %w[product variant].each do |object_type|
     = render partial: 'delete_modal', locals: { object_type: }