stock screens functional

apps/backend/src/lib/data-manager.ts

@@ -4,11 +4,13 @@ import {
 	createProductsRepo,
 	createDrugInfoRepo,
 	createUnitsRepo,
+	createStockBatchesRepo,
 	type StorageSpacesRepo,
 	type DistributorsRepo,
 	type ProductsRepo,
 	type DrugInfoRepo,
 	type UnitsRepo,
+	type StockBatchesRepo,
 } from "data-manager-sqlite";
 
 export class DataManager {
@@ -17,6 +19,7 @@ export class DataManager {
 	readonly products: ProductsRepo;
 	readonly drugInfo: DrugInfoRepo;
 	readonly units: UnitsRepo;
+	readonly stockBatches: StockBatchesRepo;
 
 	constructor() {
 		const { repo: storageSpacesRepo } = createStorageSpacesRepo();
@@ -24,11 +27,13 @@ export class DataManager {
 		const { repo: productsRepo } = createProductsRepo();
 		const { repo: drugInfoRepo } = createDrugInfoRepo();
 		const { repo: unitsRepo } = createUnitsRepo();
+		const { repo: stockBatchesRepo } = createStockBatchesRepo();
 
 		this.storageSpaces = storageSpacesRepo;
 		this.distributors = distributorsRepo;
 		this.products = productsRepo;
 		this.drugInfo = drugInfoRepo;
 		this.units = unitsRepo;
+		this.stockBatches = stockBatchesRepo;
 	}
 }

apps/backend/src/trpc/pharmanager/v1/stock.ts

@@ -0,0 +1,66 @@
+import { z } from "zod";
+import { t } from "../../init";
+import { dataManager } from "../../../lib/data-manager-instance";
+
+export const StockBatchSchema = z.object({
+	id: z.number().int(),
+	product: z.object({ id: z.number().int(), name: z.string(), brand: z.string() }),
+	arrived: z.string(),
+	batch_no: z.string(),
+	mfg: z.string(),
+	expiry: z.string(),
+	rack: z.object({ id: z.number().int(), name: z.string() }).nullable(),
+	distributor: z.object({ id: z.number().int(), agency: z.string() }).nullable(),
+	is_default: z.boolean(),
+});
+
+const { shape } = StockBatchSchema;
+
+export const CreateStockBatchInput = z.object({
+	product_id: shape.product.shape.id,
+	arrived: shape.arrived.min(1),
+	batch_no: shape.batch_no.min(1),
+	mfg: shape.mfg.min(1),
+	expiry: shape.expiry.min(1),
+	rack_id: z.number().int().nullable().optional(),
+	distributor_id: z.number().int().nullable().optional(),
+	is_default: shape.is_default.default(false),
+});
+
+export const UpdateStockBatchInput = z
+	.object({ id: z.number().int() })
+	.merge(CreateStockBatchInput.partial());
+
+export type StockBatch = z.infer<typeof StockBatchSchema>;
+
+export const stockRouter = t.router({
+	list: t.procedure
+		.output(z.array(StockBatchSchema))
+		.query(() => dataManager.stockBatches.getStockBatches()),
+
+	byId: t.procedure
+		.input(z.object({ id: z.number().int() }))
+		.output(StockBatchSchema.nullable())
+		.query(({ input }) => dataManager.stockBatches.getStockBatchById(input.id)),
+
+	create: t.procedure
+		.input(CreateStockBatchInput)
+		.output(StockBatchSchema)
+		.mutation(({ input }) => dataManager.stockBatches.createStockBatch(input)),
+
+	update: t.procedure
+		.input(UpdateStockBatchInput)
+		.output(StockBatchSchema.nullable())
+		.mutation(({ input }) => {
+			const { id, ...patch } = input;
+			return dataManager.stockBatches.updateStockBatch(id, patch);
+		}),
+
+	remove: t.procedure
+		.input(z.object({ id: z.number().int() }))
+		.output(z.object({ ok: z.boolean() }))
+		.mutation(async ({ input }) => {
+			const ok = await dataManager.stockBatches.deleteStockBatch(input.id);
+			return { ok };
+		}),
+});

apps/backend/src/trpc/router.ts

@@ -4,6 +4,7 @@ import { distributorRouter } from "./pharmanager/v1/distributor";
 import { productRouter } from "./pharmanager/v1/product";
 import { drugInfoRouter } from "./pharmanager/v1/drugInfo";
 import { unitsRouter } from "./pharmanager/v1/units";
+import { stockRouter } from "./pharmanager/v1/stock";
 
 export const appRouter = t.router({
 	storage: storageRouter,
@@ -11,6 +12,7 @@ export const appRouter = t.router({
 	product: productRouter,
 	drugInfo: drugInfoRouter,
 	units: unitsRouter,
+	stock: stockRouter,
 });
 
 export type AppRouter = typeof appRouter;

apps/pharmanager/src/routeTree.gen.ts

@@ -19,10 +19,13 @@ import { Route as CustomersRouteImport } from './routes/customers'
 import { Route as BillingRouteImport } from './routes/billing'
 import { Route as IndexRouteImport } from './routes/index'
 import { Route as StorageIndexRouteImport } from './routes/storage/index'
+import { Route as StockIndexRouteImport } from './routes/stock/index'
 import { Route as ProductsIndexRouteImport } from './routes/products/index'
 import { Route as DistributorsIndexRouteImport } from './routes/distributors/index'
 import { Route as StorageAddRouteImport } from './routes/storage/add'
 import { Route as StorageIdRouteImport } from './routes/storage/$id'
+import { Route as StockAddRouteImport } from './routes/stock/add'
+import { Route as StockIdRouteImport } from './routes/stock/$id'
 import { Route as ProductsAddRouteImport } from './routes/products/add'
 import { Route as ProductsIdRouteImport } from './routes/products/$id'
 import { Route as DistributorsAddRouteImport } from './routes/distributors/add'
@@ -78,6 +81,11 @@ const StorageIndexRoute = StorageIndexRouteImport.update({
   path: '/',
   getParentRoute: () => StorageRoute,
 } as any)
+const StockIndexRoute = StockIndexRouteImport.update({
+  id: '/',
+  path: '/',
+  getParentRoute: () => StockRoute,
+} as any)
 const ProductsIndexRoute = ProductsIndexRouteImport.update({
   id: '/',
   path: '/',
@@ -98,6 +106,16 @@ const StorageIdRoute = StorageIdRouteImport.update({
   path: '/$id',
   getParentRoute: () => StorageRoute,
 } as any)
+const StockAddRoute = StockAddRouteImport.update({
+  id: '/add',
+  path: '/add',
+  getParentRoute: () => StockRoute,
+} as any)
+const StockIdRoute = StockIdRouteImport.update({
+  id: '/$id',
+  path: '/$id',
+  getParentRoute: () => StockRoute,
+} as any)
 const ProductsAddRoute = ProductsAddRouteImport.update({
   id: '/add',
   path: '/add',
@@ -127,16 +145,19 @@ export interface FileRoutesByFullPath {
   '/products': typeof ProductsRouteWithChildren
   '/profile': typeof ProfileRoute
   '/staff': typeof StaffRoute
-  '/stock': typeof StockRoute
+  '/stock': typeof StockRouteWithChildren
   '/storage': typeof StorageRouteWithChildren
   '/distributors/$id': typeof DistributorsIdRoute
   '/distributors/add': typeof DistributorsAddRoute
   '/products/$id': typeof ProductsIdRoute
   '/products/add': typeof ProductsAddRoute
+  '/stock/$id': typeof StockIdRoute
+  '/stock/add': typeof StockAddRoute
   '/storage/$id': typeof StorageIdRoute
   '/storage/add': typeof StorageAddRoute
   '/distributors/': typeof DistributorsIndexRoute
   '/products/': typeof ProductsIndexRoute
+  '/stock/': typeof StockIndexRoute
   '/storage/': typeof StorageIndexRoute
 }
 export interface FileRoutesByTo {
@@ -145,15 +166,17 @@ export interface FileRoutesByTo {
   '/customers': typeof CustomersRoute
   '/profile': typeof ProfileRoute
   '/staff': typeof StaffRoute
-  '/stock': typeof StockRoute
   '/distributors/$id': typeof DistributorsIdRoute
   '/distributors/add': typeof DistributorsAddRoute
   '/products/$id': typeof ProductsIdRoute
   '/products/add': typeof ProductsAddRoute
+  '/stock/$id': typeof StockIdRoute
+  '/stock/add': typeof StockAddRoute
   '/storage/$id': typeof StorageIdRoute
   '/storage/add': typeof StorageAddRoute
   '/distributors': typeof DistributorsIndexRoute
   '/products': typeof ProductsIndexRoute
+  '/stock': typeof StockIndexRoute
   '/storage': typeof StorageIndexRoute
 }
 export interface FileRoutesById {
@@ -165,16 +188,19 @@ export interface FileRoutesById {
   '/products': typeof ProductsRouteWithChildren
   '/profile': typeof ProfileRoute
   '/staff': typeof StaffRoute
-  '/stock': typeof StockRoute
+  '/stock': typeof StockRouteWithChildren
   '/storage': typeof StorageRouteWithChildren
   '/distributors/$id': typeof DistributorsIdRoute
   '/distributors/add': typeof DistributorsAddRoute
   '/products/$id': typeof ProductsIdRoute
   '/products/add': typeof ProductsAddRoute
+  '/stock/$id': typeof StockIdRoute
+  '/stock/add': typeof StockAddRoute
   '/storage/$id': typeof StorageIdRoute
   '/storage/add': typeof StorageAddRoute
   '/distributors/': typeof DistributorsIndexRoute
   '/products/': typeof ProductsIndexRoute
+  '/stock/': typeof StockIndexRoute
   '/storage/': typeof StorageIndexRoute
 }
 export interface FileRouteTypes {
@@ -193,10 +219,13 @@ export interface FileRouteTypes {
     | '/distributors/add'
     | '/products/$id'
     | '/products/add'
+    | '/stock/$id'
+    | '/stock/add'
     | '/storage/$id'
     | '/storage/add'
     | '/distributors/'
     | '/products/'
+    | '/stock/'
     | '/storage/'
   fileRoutesByTo: FileRoutesByTo
   to:
@@ -205,15 +234,17 @@ export interface FileRouteTypes {
     | '/customers'
     | '/profile'
     | '/staff'
-    | '/stock'
     | '/distributors/$id'
     | '/distributors/add'
     | '/products/$id'
     | '/products/add'
+    | '/stock/$id'
+    | '/stock/add'
     | '/storage/$id'
     | '/storage/add'
     | '/distributors'
     | '/products'
+    | '/stock'
     | '/storage'
   id:
     | '__root__'
@@ -230,10 +261,13 @@ export interface FileRouteTypes {
     | '/distributors/add'
     | '/products/$id'
     | '/products/add'
+    | '/stock/$id'
+    | '/stock/add'
     | '/storage/$id'
     | '/storage/add'
     | '/distributors/'
     | '/products/'
+    | '/stock/'
     | '/storage/'
   fileRoutesById: FileRoutesById
 }
@@ -245,7 +279,7 @@ export interface RootRouteChildren {
   ProductsRoute: typeof ProductsRouteWithChildren
   ProfileRoute: typeof ProfileRoute
   StaffRoute: typeof StaffRoute
-  StockRoute: typeof StockRoute
+  StockRoute: typeof StockRouteWithChildren
   StorageRoute: typeof StorageRouteWithChildren
 }
 
@@ -321,6 +355,13 @@ declare module '@tanstack/react-router' {
       preLoaderRoute: typeof StorageIndexRouteImport
       parentRoute: typeof StorageRoute
     }
+    '/stock/': {
+      id: '/stock/'
+      path: '/'
+      fullPath: '/stock/'
+      preLoaderRoute: typeof StockIndexRouteImport
+      parentRoute: typeof StockRoute
+    }
     '/products/': {
       id: '/products/'
       path: '/'
@@ -349,6 +390,20 @@ declare module '@tanstack/react-router' {
       preLoaderRoute: typeof StorageIdRouteImport
       parentRoute: typeof StorageRoute
     }
+    '/stock/add': {
+      id: '/stock/add'
+      path: '/add'
+      fullPath: '/stock/add'
+      preLoaderRoute: typeof StockAddRouteImport
+      parentRoute: typeof StockRoute
+    }
+    '/stock/$id': {
+      id: '/stock/$id'
+      path: '/$id'
+      fullPath: '/stock/$id'
+      preLoaderRoute: typeof StockIdRouteImport
+      parentRoute: typeof StockRoute
+    }
     '/products/add': {
       id: '/products/add'
       path: '/add'
@@ -412,6 +467,20 @@ const ProductsRouteWithChildren = ProductsRoute._addFileChildren(
   ProductsRouteChildren,
 )
 
+interface StockRouteChildren {
+  StockIdRoute: typeof StockIdRoute
+  StockAddRoute: typeof StockAddRoute
+  StockIndexRoute: typeof StockIndexRoute
+}
+
+const StockRouteChildren: StockRouteChildren = {
+  StockIdRoute: StockIdRoute,
+  StockAddRoute: StockAddRoute,
+  StockIndexRoute: StockIndexRoute,
+}
+
+const StockRouteWithChildren = StockRoute._addFileChildren(StockRouteChildren)
+
 interface StorageRouteChildren {
   StorageIdRoute: typeof StorageIdRoute
   StorageAddRoute: typeof StorageAddRoute
@@ -435,7 +504,7 @@ const rootRouteChildren: RootRouteChildren = {
   ProductsRoute: ProductsRouteWithChildren,
   ProfileRoute: ProfileRoute,
   StaffRoute: StaffRoute,
-  StockRoute: StockRoute,
+  StockRoute: StockRouteWithChildren,
   StorageRoute: StorageRouteWithChildren,
 }
 export const routeTree = rootRouteImport

apps/pharmanager/src/routes/products/$id.tsx

@@ -56,9 +56,9 @@ function ProductDetailsPage() {
 	const marginVal = (product.selling_price - product.procured_price).toFixed(2);
 
 	const stockClass =
-		product.quantity <= product.reorder_level
+		product.size <= product.reorder_level
 			? "text-red-600 font-semibold"
-			: product.quantity <= product.reorder_level * 2
+			: product.size <= product.reorder_level * 2
 				? "text-amber-600"
 				: "";
 
@@ -96,7 +96,7 @@ function ProductDetailsPage() {
 						<span className="text-xs font-semibold text-slate-600 uppercase tracking-wider">Inventory</span>
 					</div>
 					<div className="p-5">
-						<DetailRow label="Current Stock" value={`${product.quantity} units`} valueClass={stockClass} />
+						<DetailRow label="Current Stock" value={`${product.size} units`} valueClass={stockClass} />
 						<DetailRow label="Reorder Level" value={`${product.reorder_level} units`} last />
 					</div>
 				</div>

apps/pharmanager/src/routes/products/add.tsx

@@ -25,7 +25,7 @@ const formSchema = CreateProductInput.extend({
 	procured_price: z.coerce.number().min(0, "Must be ≥ 0"),
 	mrp: z.coerce.number().min(0, "Must be ≥ 0"),
 	selling_price: z.coerce.number().min(0, "Must be ≥ 0"),
-	quantity: z.coerce.number().int().default(0),
+	size: z.coerce.number().int().default(0),
 	reorder_level: z.coerce.number().int().default(0),
 	units_per_strip: z.coerce.number().int().nullable().optional(),
 });
@@ -85,7 +85,7 @@ function AddProductPage() {
 			procured_price: 0,
 			mrp: 0,
 			selling_price: 0,
-			quantity: 0,
+			size: 0,
 			reorder_level: 0,
 			units_per_strip: null,
 			hide_product_from_public: false,
@@ -120,7 +120,7 @@ function AddProductPage() {
 				procured_price: existingProduct.procured_price,
 				mrp: existingProduct.mrp,
 				selling_price: existingProduct.selling_price,
-				quantity: existingProduct.quantity,
+				size: existingProduct.size,
 				reorder_level: existingProduct.reorder_level,
 				units_per_strip: existingProduct.units_per_strip,
 				hide_product_from_public: existingProduct.hide_product_from_public,
@@ -227,9 +227,9 @@ function AddProductPage() {
 
 					<div>
 						<label className="block text-sm font-medium text-slate-900 mb-1.5">
-							Quantity <span className="text-red-600">*</span>
+							Size <span className="text-red-600">*</span>
 						</label>
-						<Input type="number" {...register("quantity")} placeholder="0" />
+						<Input type="number" {...register("size")} placeholder="0" />
 					</div>
 
 					<div>

apps/pharmanager/src/routes/products/index.tsx

@@ -14,7 +14,7 @@ interface ProductRow {
 	selling_price: number;
 	mrp: number;
 	procured_price: number;
-	quantity: number;
+	size: number;
 	reorder_level: number;
 	distributor: { id: number; name: string } | null;
 	unit: { id: number; name: string };
@@ -76,18 +76,18 @@ function makeColumns(
 			},
 		},
 		{
-			id: "quantity",
+			id: "size",
-			header: "Quantity",
+			header: "Size",
 			cell: ({ row }) => {
 				const cls =
-					row.quantity <= row.reorder_level
+					row.size <= row.reorder_level
 						? "text-red-600"
-						: row.quantity <= row.reorder_level * 2
+						: row.size <= row.reorder_level * 2
 							? "text-amber-600"
 							: "text-emerald-600";
 				return (
 					<span className={`font-semibold text-[13px] ${cls} whitespace-nowrap`}>
-						{row.quantity} {row.unit.name}
+						{row.size} {row.unit.name}
 					</span>
 				);
 			},

apps/pharmanager/src/routes/stock.tsx

@@ -1,13 +1,5 @@
-import { createFileRoute } from "@tanstack/react-router";
+import { Outlet, createFileRoute } from "@tanstack/react-router";
 
 export const Route = createFileRoute("/stock")({
-	component: StockPage,
+	component: () => <Outlet />,
-	staticData: {
-		title: "Stock",
-		subtitle: "Inventory levels, low-stock alerts, purchase orders",
-	},
 });
-
-function StockPage() {
-	return <div>Stock</div>;
-}

apps/pharmanager/src/routes/stock/$id.tsx

@@ -0,0 +1,157 @@
+import { createFileRoute, Link } from "@tanstack/react-router";
+import { ArrowLeft, Pencil, Trash2, Package, Calendar, MapPin, Truck } from "lucide-react";
+import { Button } from "#/components/ui";
+import { useGetStockBatchById, useRemoveStockBatch, trpc } from "shared-react";
+
+function daysUntil(expiry: string): number {
+	const today = new Date();
+	today.setHours(0, 0, 0, 0);
+	const exp = new Date(expiry + "T00:00:00");
+	return Math.ceil((exp.getTime() - today.getTime()) / (1000 * 60 * 60 * 24));
+}
+
+function fmtDate(d: string): string {
+	const date = new Date(d + "T00:00:00");
+	return date.toLocaleDateString("en-US", { day: "numeric", month: "short", year: "numeric" });
+}
+
+export const Route = createFileRoute("/stock/$id")({
+	component: StockDetailsPage,
+	staticData: {
+		title: "Stock Batch Details",
+		subtitle: "Batch information",
+	},
+});
+
+function StockDetailsPage() {
+	const { id } = Route.useParams();
+	const batchId = Number(id);
+	const { data: batch, isLoading, error } = useGetStockBatchById(batchId);
+	const removeMutation = useRemoveStockBatch();
+	const utils = trpc.useUtils();
+
+	function handleDelete() {
+		if (!batch) return;
+		if (!confirm(`Delete batch ${batch.batch_no}? This cannot be undone.`)) return;
+		removeMutation.mutate(
+			{ id: batch.id },
+			{
+				onSuccess: () => {
+					utils.stock.list.invalidate();
+					window.location.href = "/stock";
+				},
+			},
+		);
+	}
+
+	if (isLoading) return <div className="text-sm text-slate-600 py-8">Loading batch details...</div>;
+	if (error || !batch) {
+		return (
+			<div className="flex flex-col items-center py-16 px-6 text-slate-600">
+				<Package className="w-12 h-12 mb-4 opacity-40" />
+				<h3 className="text-base font-semibold text-slate-900 mb-1.5">Batch not found</h3>
+				<p className="text-sm mb-4">The batch you're looking for doesn't exist.</p>
+				<Link to="/stock" className="inline-flex items-center px-4 py-2 bg-blue-600 text-white rounded-md text-sm font-medium hover:bg-blue-700 transition-colors">
+					Back to Stock
+				</Link>
+			</div>
+		);
+	}
+
+	const days = daysUntil(batch.expiry);
+	const dayCls = days < 0 ? "expired" : days <= 30 ? "critical" : days <= 90 ? "warning" : "healthy";
+	const dayLabel = days < 0 ? "Expired" : days <= 30 ? "Expiring soon" : days <= 90 ? "Approaching expiry" : "Healthy";
+	const dayBg = dayCls === "healthy" ? "bg-emerald-50 text-emerald-600" : dayCls === "warning" ? "bg-amber-50 text-amber-600" : "bg-red-50 text-red-600";
+	const dateCls = days < 0 ? "text-red-600 font-semibold" : days <= 30 ? "text-amber-600 font-semibold" : "";
+
+	return (
+		<div>
+			<Link to="/stock" className="inline-flex items-center gap-1.5 text-sm text-blue-600 hover:underline mb-5">
+				<ArrowLeft className="w-4 h-4" />
+				Back to Stock
+			</Link>
+
+			<div className="grid grid-cols-2 gap-6 max-w-[800px]">
+				<div className="bg-white rounded-lg shadow-[0_0_0_1px_rgba(0,0,0,0.06),0_1px_2px_rgba(0,0,0,0.04)] overflow-hidden">
+					<div className="px-5 py-4 border-b border-slate-200 flex items-center gap-2">
+						<Package className="w-[14px] h-[14px] text-slate-600" />
+						<span className="text-xs font-semibold text-slate-600 uppercase tracking-wider">Product Information</span>
+					</div>
+					<div className="p-5">
+						<DetailRow label="Product" value={batch.product.name} />
+						<DetailRow label="Brand" value={batch.product.brand} last />
+					</div>
+				</div>
+
+				<div className="bg-white rounded-lg shadow-[0_0_0_1px_rgba(0,0,0,0.06),0_1px_2px_rgba(0,0,0,0.04)] overflow-hidden">
+					<div className="px-5 py-4 border-b border-slate-200 flex items-center gap-2 justify-between">
+						<div className="flex items-center gap-2">
+							<Calendar className="w-[14px] h-[14px] text-slate-600" />
+							<span className="text-xs font-semibold text-slate-600 uppercase tracking-wider">Batch Timeline</span>
+						</div>
+						{batch.is_default && (
+							<span className="inline-flex items-center gap-1 px-1.5 py-0.5 rounded text-[10px] font-semibold bg-amber-50 text-amber-600">
+								★ Default
+							</span>
+						)}
+					</div>
+					<div className="p-5">
+						<DetailRow label="Arrived Date" value={fmtDate(batch.arrived)} />
+						<DetailRow label="Batch No" value={batch.batch_no} valueClass="font-mono text-[13px]" />
+						<DetailRow label="Quantity" value={String(batch.quantity)} />
+						<DetailRow label="Manufacture Date" value={fmtDate(batch.mfg)} />
+						<DetailRow label="Expiry Date" value={fmtDate(batch.expiry)} valueClass={dateCls} />
+						<div className="flex justify-between items-center py-2.5 text-sm">
+							<span className="text-slate-600 text-[13px]">Shelf Life Status</span>
+							<div className="text-right">
+								<div className="text-[32px] font-bold leading-none">{Math.abs(days)}</div>
+								<div className="text-xs text-slate-500">{days < 0 ? "days past expiry" : "days remaining"}</div>
+								<span className={`inline-block mt-1 px-2.5 py-0.5 rounded-full text-[11px] font-semibold ${dayBg}`}>{dayLabel}</span>
+							</div>
+						</div>
+					</div>
+				</div>
+
+				<div className="bg-white rounded-lg shadow-[0_0_0_1px_rgba(0,0,0,0.06),0_1px_2px_rgba(0,0,0,0.04)] overflow-hidden">
+					<div className="px-5 py-4 border-b border-slate-200 flex items-center gap-2">
+						<MapPin className="w-[14px] h-[14px] text-slate-600" />
+						<span className="text-xs font-semibold text-slate-600 uppercase tracking-wider">Location</span>
+					</div>
+					<div className="p-5">
+						<div className="text-base font-semibold">{batch.rack?.name || "— Not assigned"}</div>
+					</div>
+				</div>
+
+				<div className="bg-white rounded-lg shadow-[0_0_0_1px_rgba(0,0,0,0.06),0_1px_2px_rgba(0,0,0,0.04)] overflow-hidden">
+					<div className="px-5 py-4 border-b border-slate-200 flex items-center gap-2">
+						<Truck className="w-[14px] h-[14px] text-slate-600" />
+						<span className="text-xs font-semibold text-slate-600 uppercase tracking-wider">Supplier</span>
+					</div>
+					<div className="p-5">
+						<div className="text-base font-semibold">{batch.distributor?.agency || "— Not recorded"}</div>
+					</div>
+				</div>
+			</div>
+
+			<div className="flex items-center gap-2.5 py-5 mt-2 max-w-[800px]">
+				<Button variant="primary">
+					<Pencil className="w-[15px] h-[15px]" />
+					Edit Batch
+				</Button>
+				<Button variant="danger" onClick={handleDelete}>
+					<Trash2 className="w-[15px] h-[15px]" />
+					Delete Batch
+				</Button>
+			</div>
+		</div>
+	);
+}
+
+function DetailRow({ label, value, valueClass = "", last = false }: { label: string; value: string; valueClass?: string; last?: boolean }) {
+	return (
+		<div className={`flex justify-between items-center py-2.5 text-sm ${last ? "" : "border-b border-slate-200"}`}>
+			<span className="text-slate-600 text-[13px]">{label}</span>
+			<span className={`font-medium text-right ${valueClass}`}>{value}</span>
+		</div>
+	);
+}

apps/pharmanager/src/routes/stock/add.tsx

@@ -0,0 +1,247 @@
+import { useEffect } from "react";
+import { createFileRoute, Link, useNavigate } from "@tanstack/react-router";
+import { ArrowLeft, Plus } from "lucide-react";
+import { useForm } from "react-hook-form";
+import { zodResolver } from "@hookform/resolvers/zod";
+import { z } from "zod";
+import {
+	useCreateStockBatch,
+	useUpdateStockBatch,
+	useGetStockBatchById,
+	useListProducts,
+	useListStorage,
+	useListDistributors,
+	trpc,
+} from "shared-react";
+import { Button, Input, buttonVariants } from "#/components/ui";
+import { CreateStockBatchInput } from "@repo/shared";
+
+const formSchema = CreateStockBatchInput.extend({
+	product_id: z.coerce.number().int().min(1, "Select a product"),
+	rack_id: z.coerce.number().int().nullable().optional(),
+	distributor_id: z.coerce.number().int().nullable().optional(),
+	quantity: z.coerce.number().int().min(1, "Quantity is required"),
+});
+
+type FormValues = z.infer<typeof formSchema>;
+
+export const Route = createFileRoute("/stock/add")({
+	component: AddStockPage,
+	validateSearch: (search: Record<string, unknown>) => ({
+		id: search.id ? Number(search.id) : undefined,
+	}),
+	staticData: {
+		title: "Add Stock Batch",
+		subtitle: "Register a new inventory batch",
+	},
+});
+
+function AddStockPage() {
+	const navigate = useNavigate();
+	const { id: editId } = Route.useSearch();
+	const createMutation = useCreateStockBatch();
+	const updateMutation = useUpdateStockBatch();
+	const { data: existingBatch } = useGetStockBatchById(editId ?? 0);
+	const utils = trpc.useUtils();
+	const { data: products } = useListProducts();
+	const { data: racks } = useListStorage();
+	const { data: distributorList } = useListDistributors();
+
+	const isEditing = typeof editId === "number" && editId > 0;
+
+	const {
+		register,
+		handleSubmit,
+		reset,
+		formState: { errors },
+	} = useForm<FormValues>({
+		resolver: zodResolver(formSchema),
+		defaultValues: {
+			product_id: 0,
+			arrived: "",
+			batch_no: "",
+			mfg: "",
+			expiry: "",
+			rack_id: null,
+			distributor_id: null,
+			quantity: 0,
+			is_default: false,
+		},
+	});
+
+	useEffect(() => {
+		if (isEditing && existingBatch) {
+			reset({
+				product_id: existingBatch.product.id,
+				arrived: existingBatch.arrived,
+				batch_no: existingBatch.batch_no,
+				mfg: existingBatch.mfg,
+				expiry: existingBatch.expiry,
+				rack_id: existingBatch.rack?.id ?? null,
+				distributor_id: existingBatch.distributor?.id ?? null,
+				quantity: existingBatch.quantity,
+				is_default: existingBatch.is_default,
+			});
+		}
+	}, [isEditing, existingBatch, reset]);
+
+	function onSubmit(values: FormValues) {
+		if (isEditing) {
+			updateMutation.mutate(
+				{ id: editId!, ...values },
+				{
+					onSuccess: () => {
+						utils.stock.list.invalidate();
+						utils.stock.byId.invalidate({ id: editId! });
+						navigate({ to: "/stock" });
+					},
+				},
+			);
+		} else {
+			createMutation.mutate(values, {
+				onSuccess: () => {
+					utils.stock.list.invalidate();
+					navigate({ to: "/stock" });
+				},
+			});
+		}
+	}
+
+	const mutation = isEditing ? updateMutation : createMutation;
+
+	return (
+		<div>
+			<Link
+				to="/stock"
+				className="inline-flex items-center gap-1.5 text-sm text-blue-600 hover:underline mb-5"
+			>
+				<ArrowLeft className="w-4 h-4" />
+				Back to Stock
+			</Link>
+
+			<form
+				onSubmit={handleSubmit(onSubmit)}
+				className="bg-white rounded-lg shadow-[0_0_0_1px_rgba(0,0,0,0.06),0_1px_2px_rgba(0,0,0,0.04)] p-8 max-w-2xl"
+			>
+				<h2 className="text-xl font-semibold mb-1">
+					{isEditing ? "Edit Stock Entry" : "New Stock Entry"}
+				</h2>
+				<p className="text-sm text-slate-600 mb-7">
+					{isEditing ? "Update batch details." : "Record a new batch with manufacture and expiry dates."}
+				</p>
+
+				<div className="grid grid-cols-2 gap-5">
+					<div className="col-span-full">
+						<label className="block text-sm font-medium text-slate-900 mb-1.5">
+							Product <span className="text-red-600">*</span>
+						</label>
+						<select
+							{...register("product_id")}
+							className={`w-full px-3.5 py-2.5 border rounded-md text-sm text-slate-900 bg-white focus:outline-none focus:ring-[3px] focus:ring-blue-100 ${errors.product_id ? "border-red-600" : "border-slate-200 focus:border-blue-600"}`}
+						>
+							<option value={0}>Search and select a product...</option>
+							{(products ?? []).map((p) => (
+								<option key={p.id} value={p.id}>
+									{p.name} — {p.brand}
+								</option>
+							))}
+						</select>
+						{errors.product_id && <p className="text-sm text-red-600 mt-1">{errors.product_id.message}</p>}
+					</div>
+
+					<div>
+						<label className="block text-sm font-medium text-slate-900 mb-1.5">
+							Arrived Date <span className="text-red-600">*</span>
+						</label>
+						<Input type="date" {...register("arrived")} variant={errors.arrived ? "error" : "default"} />
+						{errors.arrived && <p className="text-sm text-red-600 mt-1">{errors.arrived.message}</p>}
+					</div>
+
+					<div>
+						<label className="block text-sm font-medium text-slate-900 mb-1.5">
+							Batch No <span className="text-red-600">*</span>
+						</label>
+						<Input {...register("batch_no")} variant={errors.batch_no ? "error" : "default"} placeholder="e.g. BCH-PCM-003" />
+						{errors.batch_no && <p className="text-sm text-red-600 mt-1">{errors.batch_no.message}</p>}
+					</div>
+
+					<div>
+						<label className="block text-sm font-medium text-slate-900 mb-1.5">
+							Quantity <span className="text-red-600">*</span>
+						</label>
+						<Input type="number" {...register("quantity")} placeholder="0" />
+					</div>
+
+					<div>
+						<label className="block text-sm font-medium text-slate-900 mb-1.5">
+							Manufacture Date <span className="text-red-600">*</span>
+						</label>
+						<Input type="date" {...register("mfg")} variant={errors.mfg ? "error" : "default"} />
+						{errors.mfg && <p className="text-sm text-red-600 mt-1">{errors.mfg.message}</p>}
+					</div>
+
+					<div>
+						<label className="block text-sm font-medium text-slate-900 mb-1.5">
+							Expiry Date <span className="text-red-600">*</span>
+						</label>
+						<Input type="date" {...register("expiry")} variant={errors.expiry ? "error" : "default"} />
+						{errors.expiry && <p className="text-sm text-red-600 mt-1">{errors.expiry.message}</p>}
+					</div>
+
+					<div>
+						<label className="block text-sm font-medium text-slate-900 mb-1.5">Rack</label>
+						<select
+							{...register("rack_id")}
+							className="w-full px-3.5 py-2.5 border border-slate-200 rounded-md text-sm text-slate-900 bg-white focus:outline-none focus:ring-[3px] focus:ring-blue-100 focus:border-blue-600"
+						>
+							<option value="">— Select a rack —</option>
+							{(racks ?? []).map((r) => (
+								<option key={r.id} value={r.id}>{r.name}</option>
+							))}
+						</select>
+					</div>
+
+					<div>
+						<label className="block text-sm font-medium text-slate-900 mb-1.5">Distributor</label>
+						<select
+							{...register("distributor_id")}
+							className="w-full px-3.5 py-2.5 border border-slate-200 rounded-md text-sm text-slate-900 bg-white focus:outline-none focus:ring-[3px] focus:ring-blue-100 focus:border-blue-600"
+						>
+							<option value="">— Select a distributor —</option>
+							{(distributorList ?? []).map((d) => (
+								<option key={d.id} value={d.id}>{d.agency}</option>
+							))}
+						</select>
+					</div>
+
+					<div className="col-span-full">
+						<label className="flex items-center gap-2.5 cursor-pointer">
+							<input
+								type="checkbox"
+								{...register("is_default")}
+								className="w-[18px] h-[18px] accent-blue-600 cursor-pointer"
+							/>
+							<span className="text-sm font-medium text-slate-900">
+								Set as default batch — stock will be deducted from this batch when billing
+							</span>
+						</label>
+					</div>
+
+					<div className="col-span-full flex justify-end gap-3 pt-5 mt-2 border-t border-slate-200">
+						<Link to="/stock" className={buttonVariants({ variant: "outline" })}>
+							Cancel
+						</Link>
+						<Button type="submit" disabled={mutation.isPending}>
+							<Plus className="w-[15px] h-[15px]" />
+							{mutation.isPending ? "Saving..." : isEditing ? "Update Stock" : "Add to Stock"}
+						</Button>
+					</div>
+				</div>
+
+				{mutation.error && (
+					<p className="text-sm text-red-600 mt-4">Failed to {isEditing ? "update" : "create"} batch. Please try again.</p>
+				)}
+			</form>
+		</div>
+	);
+}

apps/pharmanager/src/routes/stock/index.tsx

@@ -0,0 +1,221 @@
+import { useState, useMemo, useCallback } from "react";
+import { createFileRoute, Link } from "@tanstack/react-router";
+import { Search, Plus, Pencil, Trash2, Package, Star } from "lucide-react";
+import { GridTable } from "#/components/GridTable";
+import type { GridTableColumn } from "#/components/GridTable";
+import { Button, buttonVariants } from "#/components/ui";
+import { useListStockBatches, useRemoveStockBatch, trpc } from "shared-react";
+
+interface StockRow {
+	id: number;
+	product: { id: number; name: string; brand: string };
+	arrived: string;
+	batch_no: string;
+	mfg: string;
+	expiry: string;
+	rack: { id: number; name: string } | null;
+	distributor: { id: number; agency: string } | null;
+	quantity: number;
+	is_default: boolean;
+}
+
+function daysUntil(expiry: string): number {
+	const today = new Date();
+	today.setHours(0, 0, 0, 0);
+	const exp = new Date(expiry + "T00:00:00");
+	return Math.ceil((exp.getTime() - today.getTime()) / (1000 * 60 * 60 * 24));
+}
+
+function fmtDate(d: string): string {
+	const date = new Date(d + "T00:00:00");
+	return date.toLocaleDateString("en-US", { day: "numeric", month: "short", year: "numeric" });
+}
+
+function daysBadge(days: number) {
+	if (days < 0) return <span className="inline-block px-2 py-0.5 rounded-full text-[11px] font-semibold bg-red-50 text-red-600 line-through">Expired</span>;
+	if (days <= 30) return <span className="inline-block px-2 py-0.5 rounded-full text-[11px] font-semibold bg-red-50 text-red-600">{days} days</span>;
+	if (days <= 90) return <span className="inline-block px-2 py-0.5 rounded-full text-[11px] font-semibold bg-amber-50 text-amber-600">{days} days</span>;
+	return <span className="inline-block px-2 py-0.5 rounded-full text-[11px] font-semibold bg-emerald-50 text-emerald-600">{days} days</span>;
+}
+
+function makeColumns(
+	onDelete: (row: StockRow) => void,
+): GridTableColumn<StockRow>[] {
+	return [
+		{
+			id: "product",
+			header: "Product",
+			cell: ({ row }) => (
+				<div>
+					<div className="font-semibold text-[13px]">{row.product.name}</div>
+					<div className="text-xs text-slate-500 mt-px">{row.product.brand}</div>
+				</div>
+			),
+		},
+		{
+			id: "arrived",
+			header: "Arrived Date",
+			cell: ({ row }) => <span className="text-[13px] whitespace-nowrap">{fmtDate(row.arrived)}</span>,
+		},
+		{
+			id: "batch_no",
+			header: "Batch No",
+			cell: ({ row }) => (
+				<span className="text-xs font-mono whitespace-nowrap">{row.batch_no}</span>
+			),
+		},
+		{
+			id: "quantity",
+			header: "Qty",
+			size: 60,
+			cell: ({ row }) => (
+				<span className="font-semibold text-[13px]">{row.quantity}</span>
+			),
+		},
+		{
+			id: "is_default",
+			header: "Default",
+			size: 60,
+			cell: ({ row }) => (
+				<span title={row.is_default ? "Default batch" : ""}>
+					{row.is_default ? (
+						<Star className="w-4 h-4 text-amber-500 fill-amber-500" />
+					) : (
+						<Star className="w-4 h-4 text-slate-300" />
+					)}
+				</span>
+			),
+		},
+		{
+			id: "mfg",
+			header: "Manufacture Date",
+			cell: ({ row }) => <span className="text-[13px] whitespace-nowrap">{fmtDate(row.mfg)}</span>,
+		},
+		{
+			id: "expiry",
+			header: "Expiry Date",
+			cell: ({ row }) => {
+				const days = daysUntil(row.expiry);
+				return (
+					<span className={`text-[13px] whitespace-nowrap ${days < 0 ? "text-red-600 font-medium" : days <= 30 ? "text-amber-600 font-medium" : ""}`}>
+						{fmtDate(row.expiry)}
+					</span>
+				);
+			},
+		},
+		{
+			id: "days",
+			header: "Days Remaining",
+			cell: ({ row }) => daysBadge(daysUntil(row.expiry)),
+		},
+		{
+			id: "rack",
+			header: "Rack",
+			cell: ({ row }) => <span className="text-[13px]">{row.rack?.name || "—"}</span>,
+		},
+		{
+			id: "distributor",
+			header: "Distributor",
+			cell: ({ row }) => <span className="text-[13px] text-slate-600">{row.distributor?.agency || "—"}</span>,
+		},
+		{
+			id: "actions",
+			header: "Actions",
+			size: 90,
+			cell: ({ row }) => (
+				<div className="flex items-center justify-center gap-1">
+					<Link
+						to="/stock/$id"
+						params={{ id: row.id.toString() }}
+						className="text-[10px] font-medium text-blue-600 hover:underline whitespace-nowrap"
+					>
+						View
+					</Link>
+					<Link to="/stock/add" search={{ id: row.id }}>
+						<Button variant="ghost-blue" size="icon" aria-label={`Edit ${row.batch_no}`} type="button">
+							<Pencil className="w-[15px] h-[15px]" />
+						</Button>
+					</Link>
+					<Button variant="ghost-red" size="icon" aria-label={`Delete ${row.batch_no}`} onClick={() => onDelete(row)}>
+						<Trash2 className="w-[15px] h-[15px]" />
+					</Button>
+				</div>
+			),
+		},
+	];
+}
+
+export const Route = createFileRoute("/stock/")({
+	component: StockIndexPage,
+	staticData: {
+		title: "Stock Batches",
+		subtitle: "Track inventory batches by expiry and rack location",
+	},
+});
+
+function StockIndexPage() {
+	const [searchQuery, setSearchQuery] = useState("");
+	const { data: batches, isLoading, error } = useListStockBatches();
+	const removeMutation = useRemoveStockBatch();
+	const utils = trpc.useUtils();
+
+	const handleDelete = useCallback(
+		(row: StockRow) => {
+			if (!confirm(`Delete batch ${row.batch_no}?`)) return;
+			removeMutation.mutate(
+				{ id: row.id },
+				{ onSuccess: () => utils.stock.list.invalidate() },
+			);
+		},
+		[removeMutation, utils],
+	);
+
+	const columns = useMemo(() => makeColumns(handleDelete), [handleDelete]);
+
+	const filtered = useMemo(() => {
+		const q = searchQuery.toLowerCase().trim();
+		if (!q) return batches ?? [];
+		return (batches ?? []).filter((b) => {
+			const text = `${b.product.name} ${b.product.brand} ${b.batch_no} ${b.rack?.name || ""} ${b.distributor?.agency || ""}`;
+			return text.toLowerCase().includes(q);
+		});
+	}, [searchQuery, batches]);
+
+	if (isLoading) return <div className="text-sm text-slate-600 py-8">Loading stock batches...</div>;
+	if (error) return <div className="text-sm text-red-600 py-8">Failed to load stock batches.</div>;
+
+	return (
+		<div>
+			<div className="flex items-center gap-3 mb-5 flex-wrap">
+				<div className="flex items-center gap-2 flex-1 min-w-[200px] max-w-[480px] px-3.5 py-2 bg-white rounded-md border border-slate-200 transition-all duration-200 focus-within:border-blue-600 focus-within:shadow-[0_0_0_3px_rgba(37,99,235,0.1)]">
+					<Search className="w-4 h-4 text-slate-600 shrink-0" />
+					<input
+						type="text"
+						value={searchQuery}
+						onChange={(e) => setSearchQuery(e.target.value)}
+						placeholder="Search by product, brand, batch, or rack..."
+						className="bg-transparent border-none outline-none text-sm text-slate-900 w-full placeholder:text-slate-400"
+					/>
+				</div>
+				<Link to="/stock/add" className={buttonVariants({ variant: "primary" })}>
+					<Plus className="w-[15px] h-[15px]" />
+					Add Stock
+				</Link>
+			</div>
+
+			<GridTable
+				columns={columns}
+				data={filtered}
+				emptyState={
+					<div className="flex flex-col items-center py-16 px-6 text-slate-600">
+						<Package className="w-12 h-12 mb-4 opacity-40" />
+						<h3 className="text-base font-semibold text-slate-900 mb-1.5">No stock batches found</h3>
+						<p className="text-sm">
+							{searchQuery ? "No batches match your search." : "Add your first stock batch to get started."}
+						</p>
+					</div>
+				}
+			/>
+		</div>
+	);
+}

packages/data-manager-sqlite/drizzle/0003_useful_ultron.sql

@@ -0,0 +1,14 @@
+CREATE TABLE `stock_batches` (
+	`id` integer PRIMARY KEY AUTOINCREMENT NOT NULL,
+	`product_id` integer NOT NULL,
+	`arrived` text NOT NULL,
+	`batch_no` text NOT NULL,
+	`mfg` text NOT NULL,
+	`expiry` text NOT NULL,
+	`rack_id` integer,
+	`distributor_id` integer,
+	`is_default` integer DEFAULT false NOT NULL,
+	FOREIGN KEY (`product_id`) REFERENCES `products`(`id`) ON UPDATE no action ON DELETE no action,
+	FOREIGN KEY (`rack_id`) REFERENCES `storage_spaces`(`id`) ON UPDATE no action ON DELETE no action,
+	FOREIGN KEY (`distributor_id`) REFERENCES `distributors`(`id`) ON UPDATE no action ON DELETE no action
+);

packages/data-manager-sqlite/drizzle/0004_ambiguous_captain_america.sql

@@ -0,0 +1,2 @@
+ALTER TABLE `products` RENAME COLUMN "quantity" TO "size";--> statement-breakpoint
+ALTER TABLE `stock_batches` ADD `quantity` integer DEFAULT 0 NOT NULL;

packages/data-manager-sqlite/drizzle/meta/0003_snapshot.json

@@ -0,0 +1,512 @@
+{
+  "version": "6",
+  "dialect": "sqlite",
+  "id": "7e0de346-d773-4526-85aa-96c7c9652ac9",
+  "prevId": "e65ed66a-0a3c-4338-8ba7-90ca587a7c07",
+  "tables": {
+    "storage_spaces": {
+      "name": "storage_spaces",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "aliases": {
+          "name": "aliases",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'[]'"
+        },
+        "image_urls": {
+          "name": "image_urls",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'[]'"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "distributors": {
+      "name": "distributors",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "agency": {
+          "name": "agency",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "contact": {
+          "name": "contact",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "mobile": {
+          "name": "mobile",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "address": {
+          "name": "address",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "products": {
+      "name": "products",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "brand": {
+          "name": "brand",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "category": {
+          "name": "category",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "distributor_id": {
+          "name": "distributor_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "unit_id": {
+          "name": "unit_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "procured_price": {
+          "name": "procured_price",
+          "type": "real",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "mrp": {
+          "name": "mrp",
+          "type": "real",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "selling_price": {
+          "name": "selling_price",
+          "type": "real",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "quantity": {
+          "name": "quantity",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "reorder_level": {
+          "name": "reorder_level",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "units_per_strip": {
+          "name": "units_per_strip",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "hide_product_from_public": {
+          "name": "hide_product_from_public",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": false
+        },
+        "hide_price_from_public": {
+          "name": "hide_price_from_public",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "products_distributor_id_distributors_id_fk": {
+          "name": "products_distributor_id_distributors_id_fk",
+          "tableFrom": "products",
+          "tableTo": "distributors",
+          "columnsFrom": [
+            "distributor_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        },
+        "products_unit_id_units_id_fk": {
+          "name": "products_unit_id_units_id_fk",
+          "tableFrom": "products",
+          "tableTo": "units",
+          "columnsFrom": [
+            "unit_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "drug_info": {
+      "name": "drug_info",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        }
+      },
+      "indexes": {
+        "drug_info_name_unique": {
+          "name": "drug_info_name_unique",
+          "columns": [
+            "name"
+          ],
+          "isUnique": true
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "units": {
+      "name": "units",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        }
+      },
+      "indexes": {
+        "units_name_unique": {
+          "name": "units_name_unique",
+          "columns": [
+            "name"
+          ],
+          "isUnique": true
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "product_compositions": {
+      "name": "product_compositions",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "product_id": {
+          "name": "product_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "drug_info_id": {
+          "name": "drug_info_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "quantity": {
+          "name": "quantity",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "unit_id": {
+          "name": "unit_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "product_compositions_product_id_products_id_fk": {
+          "name": "product_compositions_product_id_products_id_fk",
+          "tableFrom": "product_compositions",
+          "tableTo": "products",
+          "columnsFrom": [
+            "product_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        },
+        "product_compositions_drug_info_id_drug_info_id_fk": {
+          "name": "product_compositions_drug_info_id_drug_info_id_fk",
+          "tableFrom": "product_compositions",
+          "tableTo": "drug_info",
+          "columnsFrom": [
+            "drug_info_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        },
+        "product_compositions_unit_id_units_id_fk": {
+          "name": "product_compositions_unit_id_units_id_fk",
+          "tableFrom": "product_compositions",
+          "tableTo": "units",
+          "columnsFrom": [
+            "unit_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "stock_batches": {
+      "name": "stock_batches",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "product_id": {
+          "name": "product_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "arrived": {
+          "name": "arrived",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "batch_no": {
+          "name": "batch_no",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "mfg": {
+          "name": "mfg",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "expiry": {
+          "name": "expiry",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "rack_id": {
+          "name": "rack_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "distributor_id": {
+          "name": "distributor_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "is_default": {
+          "name": "is_default",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "stock_batches_product_id_products_id_fk": {
+          "name": "stock_batches_product_id_products_id_fk",
+          "tableFrom": "stock_batches",
+          "tableTo": "products",
+          "columnsFrom": [
+            "product_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        },
+        "stock_batches_rack_id_storage_spaces_id_fk": {
+          "name": "stock_batches_rack_id_storage_spaces_id_fk",
+          "tableFrom": "stock_batches",
+          "tableTo": "storage_spaces",
+          "columnsFrom": [
+            "rack_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        },
+        "stock_batches_distributor_id_distributors_id_fk": {
+          "name": "stock_batches_distributor_id_distributors_id_fk",
+          "tableFrom": "stock_batches",
+          "tableTo": "distributors",
+          "columnsFrom": [
+            "distributor_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    }
+  },
+  "views": {},
+  "enums": {},
+  "_meta": {
+    "schemas": {},
+    "tables": {},
+    "columns": {}
+  },
+  "internal": {
+    "indexes": {}
+  }
+}

packages/data-manager-sqlite/drizzle/meta/0004_snapshot.json

@@ -0,0 +1,522 @@
+{
+  "version": "6",
+  "dialect": "sqlite",
+  "id": "dfa18399-c3f0-4ef0-896b-632b38f67c1f",
+  "prevId": "7e0de346-d773-4526-85aa-96c7c9652ac9",
+  "tables": {
+    "storage_spaces": {
+      "name": "storage_spaces",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "aliases": {
+          "name": "aliases",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'[]'"
+        },
+        "image_urls": {
+          "name": "image_urls",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'[]'"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "distributors": {
+      "name": "distributors",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "agency": {
+          "name": "agency",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "contact": {
+          "name": "contact",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "mobile": {
+          "name": "mobile",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "address": {
+          "name": "address",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "products": {
+      "name": "products",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "brand": {
+          "name": "brand",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "category": {
+          "name": "category",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "distributor_id": {
+          "name": "distributor_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "unit_id": {
+          "name": "unit_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "procured_price": {
+          "name": "procured_price",
+          "type": "real",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "mrp": {
+          "name": "mrp",
+          "type": "real",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "selling_price": {
+          "name": "selling_price",
+          "type": "real",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "size": {
+          "name": "size",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "reorder_level": {
+          "name": "reorder_level",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "units_per_strip": {
+          "name": "units_per_strip",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "hide_product_from_public": {
+          "name": "hide_product_from_public",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": false
+        },
+        "hide_price_from_public": {
+          "name": "hide_price_from_public",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "products_distributor_id_distributors_id_fk": {
+          "name": "products_distributor_id_distributors_id_fk",
+          "tableFrom": "products",
+          "tableTo": "distributors",
+          "columnsFrom": [
+            "distributor_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        },
+        "products_unit_id_units_id_fk": {
+          "name": "products_unit_id_units_id_fk",
+          "tableFrom": "products",
+          "tableTo": "units",
+          "columnsFrom": [
+            "unit_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "drug_info": {
+      "name": "drug_info",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        }
+      },
+      "indexes": {
+        "drug_info_name_unique": {
+          "name": "drug_info_name_unique",
+          "columns": [
+            "name"
+          ],
+          "isUnique": true
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "units": {
+      "name": "units",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        }
+      },
+      "indexes": {
+        "units_name_unique": {
+          "name": "units_name_unique",
+          "columns": [
+            "name"
+          ],
+          "isUnique": true
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "product_compositions": {
+      "name": "product_compositions",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "product_id": {
+          "name": "product_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "drug_info_id": {
+          "name": "drug_info_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "quantity": {
+          "name": "quantity",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "unit_id": {
+          "name": "unit_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "product_compositions_product_id_products_id_fk": {
+          "name": "product_compositions_product_id_products_id_fk",
+          "tableFrom": "product_compositions",
+          "tableTo": "products",
+          "columnsFrom": [
+            "product_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        },
+        "product_compositions_drug_info_id_drug_info_id_fk": {
+          "name": "product_compositions_drug_info_id_drug_info_id_fk",
+          "tableFrom": "product_compositions",
+          "tableTo": "drug_info",
+          "columnsFrom": [
+            "drug_info_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        },
+        "product_compositions_unit_id_units_id_fk": {
+          "name": "product_compositions_unit_id_units_id_fk",
+          "tableFrom": "product_compositions",
+          "tableTo": "units",
+          "columnsFrom": [
+            "unit_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "stock_batches": {
+      "name": "stock_batches",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "product_id": {
+          "name": "product_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "arrived": {
+          "name": "arrived",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "batch_no": {
+          "name": "batch_no",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "mfg": {
+          "name": "mfg",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "expiry": {
+          "name": "expiry",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "rack_id": {
+          "name": "rack_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "distributor_id": {
+          "name": "distributor_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "quantity": {
+          "name": "quantity",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "is_default": {
+          "name": "is_default",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "stock_batches_product_id_products_id_fk": {
+          "name": "stock_batches_product_id_products_id_fk",
+          "tableFrom": "stock_batches",
+          "tableTo": "products",
+          "columnsFrom": [
+            "product_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        },
+        "stock_batches_rack_id_storage_spaces_id_fk": {
+          "name": "stock_batches_rack_id_storage_spaces_id_fk",
+          "tableFrom": "stock_batches",
+          "tableTo": "storage_spaces",
+          "columnsFrom": [
+            "rack_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        },
+        "stock_batches_distributor_id_distributors_id_fk": {
+          "name": "stock_batches_distributor_id_distributors_id_fk",
+          "tableFrom": "stock_batches",
+          "tableTo": "distributors",
+          "columnsFrom": [
+            "distributor_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    }
+  },
+  "views": {},
+  "enums": {},
+  "_meta": {
+    "schemas": {},
+    "tables": {},
+    "columns": {
+      "\"products\".\"quantity\"": "\"products\".\"size\""
+    }
+  },
+  "internal": {
+    "indexes": {}
+  }
+}

packages/data-manager-sqlite/drizzle/meta/_journal.json

@@ -22,6 +22,20 @@
       "when": 1779530472486,
       "tag": "0002_sour_praxagora",
       "breakpoints": true
+    },
+    {
+      "idx": 3,
+      "version": "6",
+      "when": 1779532150299,
+      "tag": "0003_useful_ultron",
+      "breakpoints": true
+    },
+    {
+      "idx": 4,
+      "version": "6",
+      "when": 1779533139096,
+      "tag": "0004_ambiguous_captain_america",
+      "breakpoints": true
     }
   ]
 }

packages/data-manager-sqlite/src/index.ts

@@ -34,3 +34,9 @@ export {
   type Unit,
   type UnitsRepo,
 } from './units'
+export {
+  createStockBatchesRepo,
+  type StockBatch,
+  type StockBatchesRepo,
+} from './stockBatches'
+export { stockBatches } from './schema/stockBatches'

packages/data-manager-sqlite/src/products.ts

@@ -28,7 +28,7 @@ interface ProductFields {
   procured_price: number
   mrp: number
   selling_price: number
-  quantity: number
+  size: number
   reorder_level: number
   units_per_strip: number | null
   hide_product_from_public: boolean
@@ -92,7 +92,7 @@ function toProduct(
     procured_price: row.procuredPrice,
     mrp: row.mrp,
     selling_price: row.sellingPrice,
-    quantity: row.quantity,
+    size: row.size,
     reorder_level: row.reorderLevel,
     units_per_strip: row.unitsPerStrip,
     hide_product_from_public: row.hideProductFromPublic,
@@ -191,7 +191,7 @@ export function createProductsRepo(): { repo: ProductsRepo } {
             procuredPrice: input.procured_price,
             mrp: input.mrp,
             sellingPrice: input.selling_price,
-            quantity: input.quantity,
+            size: input.size,
             reorderLevel: input.reorder_level,
             unitsPerStrip: input.units_per_strip ?? null,
             hideProductFromPublic: input.hide_product_from_public ?? false,
@@ -229,7 +229,7 @@ export function createProductsRepo(): { repo: ProductsRepo } {
         if (patch.procured_price !== undefined) setData.procuredPrice = patch.procured_price
         if (patch.mrp !== undefined) setData.mrp = patch.mrp
         if (patch.selling_price !== undefined) setData.sellingPrice = patch.selling_price
-        if (patch.quantity !== undefined) setData.quantity = patch.quantity
+        if (patch.size !== undefined) setData.size = patch.size
         if (patch.reorder_level !== undefined) setData.reorderLevel = patch.reorder_level
         if (patch.units_per_strip !== undefined) setData.unitsPerStrip = patch.units_per_strip ?? null
         if (patch.hide_product_from_public !== undefined) setData.hideProductFromPublic = patch.hide_product_from_public

packages/data-manager-sqlite/src/schema/index.ts

@@ -4,3 +4,4 @@ export * from './products'
 export * from './drugInfo'
 export * from './units'
 export * from './productCompositions'
+export * from './stockBatches'

packages/data-manager-sqlite/src/schema/products.ts

@@ -12,7 +12,7 @@ export const products = sqliteTable('products', {
   procuredPrice: real('procured_price').notNull(),
   mrp: real('mrp').notNull(),
   sellingPrice: real('selling_price').notNull(),
-  quantity: integer('quantity').notNull().default(0),
+  size: integer('size').notNull().default(0),
   reorderLevel: integer('reorder_level').notNull().default(0),
   unitsPerStrip: integer('units_per_strip'),
   hideProductFromPublic: integer('hide_product_from_public', { mode: 'boolean' }).notNull().default(false),

packages/data-manager-sqlite/src/schema/stockBatches.ts

@@ -0,0 +1,17 @@
+import { integer, sqliteTable, text } from 'drizzle-orm/sqlite-core'
+import { products } from './products'
+import { storageSpaces } from './storageSpacesSchema'
+import { distributors } from './distributors'
+
+export const stockBatches = sqliteTable('stock_batches', {
+  id: integer('id').primaryKey({ autoIncrement: true }),
+  productId: integer('product_id').notNull().references(() => products.id),
+  arrived: text('arrived').notNull(),
+  batchNo: text('batch_no').notNull(),
+  mfg: text('mfg').notNull(),
+  expiry: text('expiry').notNull(),
+  rackId: integer('rack_id').references(() => storageSpaces.id),
+  distributorId: integer('distributor_id').references(() => distributors.id),
+  quantity: integer('quantity').notNull().default(0),
+  isDefault: integer('is_default', { mode: 'boolean' }).notNull().default(false),
+})

packages/data-manager-sqlite/src/stockBatches.ts

@@ -0,0 +1,161 @@
+import { eq } from 'drizzle-orm'
+
+import { db, sqlite } from './db-instance'
+import { stockBatches } from './schema/stockBatches'
+import { products } from './schema/products'
+import { storageSpaces } from './schema/storageSpacesSchema'
+import { distributors } from './schema/distributors'
+
+export type StockBatch = {
+  id: number
+  product: { id: number; name: string; brand: string }
+  arrived: string
+  batch_no: string
+  mfg: string
+  expiry: string
+  rack: { id: number; name: string } | null
+  distributor: { id: number; agency: string } | null
+  quantity: number
+  is_default: boolean
+}
+
+export type CreateStockBatchInput = {
+  product_id: number
+  arrived: string
+  batch_no: string
+  mfg: string
+  expiry: string
+  rack_id?: number | null
+  distributor_id?: number | null
+  quantity: number
+  is_default?: boolean
+}
+
+export type UpdateStockBatchPatch = Partial<CreateStockBatchInput>
+
+export type StockBatchesRepo = {
+  getStockBatches: () => Promise<StockBatch[]>
+  getStockBatchById: (id: number) => Promise<StockBatch | null>
+  createStockBatch: (input: CreateStockBatchInput) => Promise<StockBatch>
+  updateStockBatch: (id: number, patch: UpdateStockBatchPatch) => Promise<StockBatch | null>
+  deleteStockBatch: (id: number) => Promise<boolean>
+}
+
+function fetchProduct(productId: number): { id: number; name: string; brand: string } | null {
+  const p = db.select().from(products).where(eq(products.id, productId)).get()
+  return p ? { id: p.id, name: p.name, brand: p.brand } : null
+}
+
+function fetchRack(rackId: number | null): { id: number; name: string } | null {
+  if (!rackId) return null
+  const r = db.select().from(storageSpaces).where(eq(storageSpaces.id, rackId)).get()
+  return r ? { id: r.id, name: r.name } : null
+}
+
+function fetchDistributor(distributorId: number | null): { id: number; agency: string } | null {
+  if (!distributorId) return null
+  const d = db.select().from(distributors).where(eq(distributors.id, distributorId)).get()
+  return d ? { id: d.id, agency: d.agency } : null
+}
+
+function toStockBatch(row: typeof stockBatches.$inferSelect): StockBatch {
+  const product = fetchProduct(row.productId)
+  const rack = fetchRack(row.rackId)
+  const distributor = fetchDistributor(row.distributorId)
+  return {
+    id: row.id,
+    product: product ?? { id: row.productId, name: 'Unknown', brand: '' },
+    arrived: row.arrived,
+    batch_no: row.batchNo,
+    mfg: row.mfg,
+    expiry: row.expiry,
+    rack,
+    distributor,
+    quantity: row.quantity,
+    is_default: row.isDefault,
+  }
+}
+
+export function createStockBatchesRepo(): { repo: StockBatchesRepo } {
+  const repo: StockBatchesRepo = {
+    getStockBatches() {
+      const rows = db.select().from(stockBatches).all()
+      return Promise.resolve(rows.map(toStockBatch))
+    },
+
+    getStockBatchById(id) {
+      const row = db.select().from(stockBatches).where(eq(stockBatches.id, id)).get()
+      return Promise.resolve(row ? toStockBatch(row) : null)
+    },
+
+    createStockBatch(input) {
+      const result = sqlite.transaction(() => {
+        if (input.is_default) {
+          db.update(stockBatches)
+            .set({ isDefault: false })
+            .where(eq(stockBatches.productId, input.product_id))
+            .run()
+        }
+
+        const created = db
+          .insert(stockBatches)
+          .values({
+            productId: input.product_id,
+            arrived: input.arrived,
+            batchNo: input.batch_no,
+            mfg: input.mfg,
+            expiry: input.expiry,
+            rackId: input.rack_id ?? null,
+            distributorId: input.distributor_id ?? null,
+            quantity: input.quantity ?? 0,
+            isDefault: input.is_default ?? false,
+          })
+          .returning()
+          .get()
+
+        return created
+      })()
+
+      return Promise.resolve(toStockBatch(result))
+    },
+
+    updateStockBatch(id, patch) {
+      const existing = db.select().from(stockBatches).where(eq(stockBatches.id, id)).get()
+      if (!existing) return Promise.resolve(null)
+
+      sqlite.transaction(() => {
+        if (patch.is_default) {
+          db.update(stockBatches)
+            .set({ isDefault: false })
+            .where(eq(stockBatches.productId, patch.product_id ?? existing.productId))
+            .run()
+        }
+
+        const setData: Record<string, unknown> = {}
+        if (patch.product_id !== undefined) setData.productId = patch.product_id
+        if (patch.arrived !== undefined) setData.arrived = patch.arrived
+        if (patch.batch_no !== undefined) setData.batchNo = patch.batch_no
+        if (patch.mfg !== undefined) setData.mfg = patch.mfg
+        if (patch.expiry !== undefined) setData.expiry = patch.expiry
+        if (patch.rack_id !== undefined) setData.rackId = patch.rack_id ?? null
+        if (patch.distributor_id !== undefined) setData.distributorId = patch.distributor_id ?? null
+        if (patch.quantity !== undefined) setData.quantity = patch.quantity
+        if (patch.is_default !== undefined) setData.isDefault = patch.is_default
+
+        if (Object.keys(setData).length > 0) {
+          db.update(stockBatches).set(setData).where(eq(stockBatches.id, id)).run()
+        }
+      })()
+
+      const updated = db.select().from(stockBatches).where(eq(stockBatches.id, id)).get()!
+      return Promise.resolve(toStockBatch(updated))
+    },
+
+    deleteStockBatch(id) {
+      const deleted = db.delete(stockBatches).where(eq(stockBatches.id, id)).returning({ id: stockBatches.id }).get()
+      return Promise.resolve(Boolean(deleted))
+    },
+  }
+
+  return { repo }
+}

packages/shared-react/src/hooks/stockBatches.ts

@@ -0,0 +1,21 @@
+import { trpc } from "../trpc";
+
+export function useListStockBatches() {
+	return trpc.stock.list.useQuery();
+}
+
+export function useGetStockBatchById(id: number) {
+	return trpc.stock.byId.useQuery({ id });
+}
+
+export function useCreateStockBatch() {
+	return trpc.stock.create.useMutation();
+}
+
+export function useUpdateStockBatch() {
+	return trpc.stock.update.useMutation();
+}
+
+export function useRemoveStockBatch() {
+	return trpc.stock.remove.useMutation();
+}

packages/shared-react/src/index.ts

@@ -6,4 +6,5 @@ export * from './hooks/distributors'
 export * from './hooks/products'
 export * from './hooks/drugInfo'
 export * from './hooks/units'
+export * from './hooks/stockBatches'
 export { trpc } from './trpc'

packages/shared/src/index.ts

@@ -19,3 +19,4 @@ export type {
 
 // Shared schemas
 export * from './schemas/product'
+export * from './schemas/stock'

packages/shared/src/schemas/product.ts

@@ -23,7 +23,7 @@ export const ProductSchema = z.object({
 	procured_price: z.number(),
 	mrp: z.number(),
 	selling_price: z.number(),
-	quantity: z.number().int(),
+	size: z.number().int(),
 	reorder_level: z.number().int(),
 	units_per_strip: z.number().int().nullable(),
 	hide_product_from_public: z.boolean(),
@@ -42,7 +42,7 @@ export const CreateProductInput = z.object({
 	procured_price: shape.procured_price.min(0),
 	mrp: shape.mrp.min(0),
 	selling_price: shape.selling_price.min(0),
-	quantity: shape.quantity.default(0),
+	size: shape.size.default(0),
 	reorder_level: shape.reorder_level.default(0),
 	units_per_strip: shape.units_per_strip.optional(),
 	hide_product_from_public: shape.hide_product_from_public.default(false),

packages/shared/src/schemas/stock.ts

@@ -0,0 +1,34 @@
+import { z } from "zod";
+
+export const StockBatchSchema = z.object({
+	id: z.number().int(),
+	product: z.object({ id: z.number().int(), name: z.string(), brand: z.string() }),
+	arrived: z.string(),
+	batch_no: z.string(),
+	mfg: z.string(),
+	expiry: z.string(),
+	rack: z.object({ id: z.number().int(), name: z.string() }).nullable(),
+	distributor: z.object({ id: z.number().int(), agency: z.string() }).nullable(),
+	quantity: z.number().int(),
+	is_default: z.boolean(),
+});
+
+const { shape } = StockBatchSchema;
+
+export const CreateStockBatchInput = z.object({
+	product_id: shape.product.shape.id,
+	arrived: shape.arrived.min(1),
+	batch_no: shape.batch_no.min(1),
+	mfg: shape.mfg.min(1),
+	expiry: shape.expiry.min(1),
+	rack_id: z.number().int().nullable().optional(),
+	distributor_id: z.number().int().nullable().optional(),
+	quantity: z.number().int().min(1),
+	is_default: shape.is_default.default(false),
+});
+
+export const UpdateStockBatchInput = z
+	.object({ id: z.number().int() })
+	.merge(CreateStockBatchInput.partial());
+
+export type StockBatch = z.infer<typeof StockBatchSchema>;