Quick Inventory Fixes (#1311)

Author: ZZwatermelon

client/src/pages/makerspace_page/inventory_pages/QuickEditInventoryPage.tsx

@@ -81,7 +81,7 @@ export default function QuickEditInventoryPage(props: QuickEditInventoryPageProp
           disabled={evaluatedItem === undefined}
           variant="contained"
           size="large"
-          onClick={() => setQuantity(quantity - 1)}
+          onClick={() => setQuantity(quantity <= 0 ? 0 : quantity - 1)}
         >
           <RemoveIcon />
         </Button>

client/src/pages/makerspace_page/inventory_pages/QuickInventoryQRCodeModal.tsx

@@ -105,7 +105,7 @@ export default function QuickInventoryQRCodeModal(props: QuickInventoryQRCodeMod
           )}
           value={target}
           options={mode === "item" ? items : tags}
-          disabled={mode === undefined}
+          disabled={mode === undefined || mode === null}
           onChange={(_e, newValue) => setTarget(newValue ?? undefined)}
           // @ts-expect-error
           getOptionLabel={(option) => option.label ?? option.name}
@@ -115,7 +115,7 @@ export default function QuickInventoryQRCodeModal(props: QuickInventoryQRCodeMod
           target
             ? <Box padding={"15px"} sx={{ backgroundColor: "white" }}>
               <QRCode
-                value={`${import.meta.env.VITE_ORIGIN}/app/makerspace/${makerspaceID}/inventory/${mode}/${target.id}`}
+                value={`${import.meta.env.VITE_ORIGIN}/app/makerspace/${makerspaceID}/inventory/quick/${mode}/${target.id}`}
                 ref={svgRef}
               />
             </Box>

server/src/resolvers/storeFrontResolver.ts

@@ -248,9 +248,26 @@ const StorefrontResolvers = {
         count: number
       },
       { isStaff }: ApolloContext
-    ) => isStaff(async (user) => (
-      await InventoryRepo.setItemAmount(args.itemID, args.count)
-    )),
+    ) => isStaff(async (user) => {
+      const orig = await InventoryRepo.getItemById(args.itemID);
+      if (orig === null) { return null; }
+
+      if (args.count < 0) { args.count = 0; }
+
+      const result = await InventoryRepo.setItemAmount(args.itemID, args.count)
+      if (result === null) { return null; }
+      const diff = result.count - orig.count;
+      if (diff < 0) {
+        if (result.count < result.threshold && orig.count >= result.threshold) {
+          await notifyInventoryItemBelowThreshold(result.name, result.count);
+        }
+        await createLedger(user.id, "Modify", result.pricePerUnit * Math.abs(diff), undefined, "", [{ name: result.name, quantity: diff }]);
+      } else if (diff > 0) {
+        await createLedger(user.id, "Modify", result.pricePerUnit * Math.abs(diff), undefined, "", [{ name: result.name, quantity: diff }]);
+      }
+
+      return result;
+    }),
 
     /**
      * Mark an InventoryItem as archived