[PUI] Add image based QR code assigment (#7960)

* Add Link/Unlink Barcode action
Fixes #7920

* remove unneeded imports

* remove duplication

* simplify

* add testing

* refactor type

* wait for reload to add coverage

* Add warning if custom barcode is used

* Add Image based assign

* fix action button size

* fix selection to prevent wrapping

* use left section for button

src/frontend/src/components/items/QRCode.tsx

@@ -1,9 +1,12 @@
 import { Trans, t } from '@lingui/macro';
 import {
+  ActionIcon,
   Alert,
   Box,
   Button,
   Code,
+  Divider,
+  Flex,
   Group,
   Image,
   Select,
@@ -12,13 +15,17 @@ import {
   Text,
   TextInput
 } from '@mantine/core';
+import { useDisclosure } from '@mantine/hooks';
 import { modals } from '@mantine/modals';
+import { IconQrcode } from '@tabler/icons-react';
 import { useQuery } from '@tanstack/react-query';
 import QR from 'qrcode';
 import { useEffect, useMemo, useState } from 'react';
+import { set } from 'react-hook-form';
 
 import { api } from '../../App';
 import { ApiEndpoints } from '../../enums/ApiEndpoints';
+import { InputImageBarcode, ScanItem } from '../../pages/Index/Scan';
 import { apiUrl } from '../../states/ApiState';
 import { useGlobalSettingsState } from '../../states/SettingsState';
 import { CopyButton } from '../buttons/CopyButton';
@@ -142,27 +149,47 @@ export const InvenTreeQRCode = ({
 
 export const QRCodeLink = ({ mdl_prop }: { mdl_prop: QrCodeType }) => {
   const [barcode, setBarcode] = useState('');
+  const [isScanning, toggleIsScanning] = useDisclosure(false);
 
-  function linkBarcode() {
+  function linkBarcode(value?: string) {
     api
       .post(apiUrl(ApiEndpoints.barcode_link), {
         [mdl_prop.model]: mdl_prop.pk,
-        barcode: barcode
+        barcode: value || barcode
       })
       .then((response) => {
         modals.closeAll();
         location.reload();
       });
   }
+  const actionSubmit = (data: ScanItem[]) => {
+    linkBarcode(data[0].data);
+  };
   return (
     <Box>
+      {isScanning ? (
+        <>
+          <InputImageBarcode action={actionSubmit} />
+          <Divider />
+        </>
+      ) : null}
       <TextInput
         label={t`Barcode`}
         value={barcode}
         onChange={(event) => setBarcode(event.currentTarget.value)}
         placeholder={t`Scan barcode data here using barcode scanner`}
+        leftSection={
+          <ActionIcon
+            variant="subtle"
+            onClick={toggleIsScanning.toggle}
+            size="input-sm"
+          >
+            <IconQrcode />
+          </ActionIcon>
+        }
+        w="100%"
       />
-      <Button color="green" onClick={linkBarcode} mt="lg" fullWidth>
+      <Button color="green" onClick={() => linkBarcode()} mt="lg" fullWidth>
         <Trans>Link</Trans>
       </Button>
     </Box>

src/frontend/src/pages/Index/Scan.tsx

@@ -55,7 +55,7 @@ import { notYetImplemented } from '../../functions/notifications';
 import { IS_DEV_OR_DEMO } from '../../main';
 import { apiUrl } from '../../states/ApiState';
 
-interface ScanItem {
+export interface ScanItem {
   id: string;
   ref: string;
   data: any;
@@ -545,7 +545,7 @@ function InputManual({ action }: Readonly<ScanInputInterface>) {
 }
 
 /* Input that uses QR code detection from images */
-function InputImageBarcode({ action }: Readonly<ScanInputInterface>) {
+export function InputImageBarcode({ action }: Readonly<ScanInputInterface>) {
   const [qrCodeScanner, setQrCodeScanner] = useState<Html5Qrcode | null>(null);
   const [camId, setCamId] = useLocalStorage<CameraDevice | null>({
     key: 'camId',
@@ -714,17 +714,19 @@ function InputImageBarcode({ action }: Readonly<ScanInputInterface>) {
 
   return (
     <Stack gap="xs">
-      <Group gap="xs">
+      <Group gap="xs" preventGrowOverflow>
         <Select
           value={cameraValue}
           onChange={setCameraValue}
           data={cameras.map((device) => {
             return { value: device.id, label: device.label };
           })}
+          maw={200}
           size="sm"
         />
         {scanningEnabled ? (
           <ActionIcon
+            size="input-sm"
             onClick={btnStopScanning}
             title={t`Stop scanning`}
             variant="default"
@@ -733,6 +735,7 @@ function InputImageBarcode({ action }: Readonly<ScanInputInterface>) {
           </ActionIcon>
         ) : (
           <ActionIcon
+            size="input-sm"
             onClick={btnStartScanning}
             title={t`Start scanning`}
             disabled={!camId}