Make products filterable by product type

counter/static/bundled/counter/components/ajax-select-index.ts

@@ -4,9 +4,11 @@ import type { TomOption } from "tom-select/dist/types/types";
 import type { escape_html } from "tom-select/dist/types/utils";
 import {
   type CounterSchema,
+  type ProductTypeSchema,
   type SimpleProductSchema,
   counterSearchCounter,
   productSearchProducts,
+  producttypeFetchAll,
 } from "#openapi";
 
 @registerComponent("product-ajax-select")
@@ -34,6 +36,37 @@ export class ProductAjaxSelect extends AjaxSelect {
   }
 }
 
+@registerComponent("product-type-ajax-select")
+export class ProductTypeAjaxSelect extends AjaxSelect {
+  protected valueField = "id";
+  protected labelField = "name";
+  protected searchField = ["name"];
+  private productTypes = null as ProductTypeSchema[];
+
+  protected async search(query: string): Promise<TomOption[]> {
+    // The production database has a grand total of 26 product types
+    // and the filter logic is really simple.
+    // Thus, it's appropriate to fetch all product types during first use,
+    // then to reuse the result again and again.
+    if (this.productTypes === null) {
+      this.productTypes = (await producttypeFetchAll()).data || null;
+    }
+    return this.productTypes.filter((t) =>
+      t.name.toLowerCase().includes(query.toLowerCase()),
+    );
+  }
+
+  protected renderOption(item: ProductTypeSchema, sanitize: typeof escape_html) {
+    return `<div class="select-item">
+            <span class="select-item-text">${sanitize(item.name)}</span>
+          </div>`;
+  }
+
+  protected renderItem(item: ProductTypeSchema, sanitize: typeof escape_html) {
+    return `<span>${sanitize(item.name)}</span>`;
+  }
+}
+
 @registerComponent("counter-ajax-select")
 export class CounterAjaxSelect extends AjaxSelect {
   protected valueField = "id";