repo: integrate packages from former merchant-backoffice.git

1 files changed, 95 insertions, 0 deletions

diff --git a/packages/merchant-backoffice-ui/src/components/product/InventoryProductForm.tsx b/packages/merchant-backoffice-ui/src/components/product/InventoryProductForm.tsx
new file mode 100644
index 000000000..8f05c9736
--- /dev/null
+++ b/packages/merchant-backoffice-ui/src/components/product/InventoryProductForm.tsx
@@ -0,0 +1,95 @@
+/*
+ This file is part of GNU Taler
+ (C) 2021 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+import { h, VNode } from "preact";
+import { useState } from "preact/hooks";
+import { FormProvider, FormErrors } from "../form/FormProvider";
+import { InputNumber } from "../form/InputNumber";
+import { InputSearchProduct } from "../form/InputSearchProduct";
+import { MerchantBackend, WithId } from "../../declaration";
+import { Translate, useTranslator } from "../../i18n";
+import { ProductMap } from "../../paths/instance/orders/create/CreatePage";
+
+type Form = {
+  product: MerchantBackend.Products.ProductDetail & WithId,
+  quantity: number;
+}
+
+interface Props {
+  currentProducts: ProductMap,
+  onAddProduct: (product: MerchantBackend.Products.ProductDetail & WithId, quantity: number) => void,
+  inventory: (MerchantBackend.Products.ProductDetail & WithId)[],
+}
+
+export function InventoryProductForm({ currentProducts, onAddProduct, inventory }: Props): VNode {
+  const initialState = { quantity: 1 }
+  const [state, setState] = useState<Partial<Form>>(initialState)
+  const [errors, setErrors] = useState<FormErrors<Form>>({})
+
+  const i18n = useTranslator()
+
+  const productWithInfiniteStock = state.product && state.product.total_stock === -1
+
+  const submit = (): void => {
+    if (!state.product) {
+      setErrors({ product: i18n`You must enter a valid product identifier.` });
+      return;
+    }
+    if (productWithInfiniteStock) {
+      onAddProduct(state.product, 1)
+    } else {
+      if (!state.quantity || state.quantity <= 0) {
+        setErrors({ quantity: i18n`Quantity must be greater than 0!` });
+        return;
+      }
+      const currentStock = state.product.total_stock - state.product.total_lost - state.product.total_sold
+      const p = currentProducts[state.product.id]
+      if (p) {
+        if (state.quantity + p.quantity > currentStock) {
+          const left = currentStock - p.quantity;
+          setErrors({ quantity: i18n`This quantity exceeds remaining stock. Currently, only ${left} units remain unreserved in stock.` });
+          return;
+        }
+        onAddProduct(state.product, state.quantity + p.quantity)
+      } else {
+        if (state.quantity > currentStock) {
+          const left = currentStock;
+          setErrors({ quantity: i18n`This quantity exceeds remaining stock. Currently, only ${left} units remain unreserved in stock.` });
+          return;
+        }
+        onAddProduct(state.product, state.quantity)
+      }
+    }
+
+    setState(initialState)
+  }
+
+  return <FormProvider<Form> errors={errors} object={state} valueHandler={setState}>
+    <InputSearchProduct selected={state.product} onChange={(p) => setState(v => ({ ...v, product: p }))} products={inventory} />
+    { state.product && <div class="columns mt-5">
+      <div class="column is-two-thirds">
+        {!productWithInfiniteStock &&
+          <InputNumber<Form> name="quantity" label={i18n`Quantity`} tooltip={i18n`how many products will be added`} />
+        }
+      </div>
+      <div class="column">
+        <div class="buttons is-right">
+          <button class="button is-success" onClick={submit}><Translate>Add from inventory</Translate></button>
+        </div>
+      </div>
+    </div> }
+
+  </FormProvider>
+}