Agent skill

tsh-stock

TSH stock and warehouse logic for Main WareHouse. Use when: (1) Displaying stock levels on product pages (2) Understanding warehouse configuration (3) Debugging stock display issues (showing 0 when shouldn't) (4) Working with "In Stock" / "Out of Stock" badges (5) Implementing stock-based filtering (6) Understanding stock sync architecture (webhooks, cron, manual) (7) Understanding the difference between list and detail page stock

View SKILL.md on GitHub Repository
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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/development/tsh-stock

SKILL.md

TSH Stock Rules

Warehouse Configuration

Setting Value
Warehouse Name Main WareHouse
Warehouse ID 2646610000000077024
Business Location Main TSH Business
Stock Type Accounting Stock (Available for Sale)
Field location_available_for_sale_stock
Array locations (NOT warehouses)

Stock Formula

Available for Sale = Stock on Hand - Committed Stock
  • Stock on Hand: Physical stock in warehouse
  • Committed Stock: Reserved for pending orders
  • Available for Sale: What can actually be sold

Critical: Correct Field Names

typescript
// CORRECT - Use these
const WHOLESALE_LOCATION_NAME = 'Main WareHouse';

const location = item.locations?.find(
  loc => loc.location_name === WHOLESALE_LOCATION_NAME
);
const stock = location?.location_available_for_sale_stock;

// WRONG - Never use
item.warehouses                    // Wrong array name
warehouse_available_stock          // Wrong field name
stock_on_hand                      // Includes committed stock
item.available_stock               // Combines ALL warehouses

Code Implementation

Constants

typescript
// src/lib/zoho/stock-cache.ts & src/lib/zoho/products.ts
const WHOLESALE_LOCATION_NAME = 'Main WareHouse';
const WHOLESALE_WAREHOUSE_ID = '2646610000000077024';

Stock Extraction Function

typescript
function getWholesaleAvailableStock(item: ZohoItemWithLocations): number {
  if (item.locations && item.locations.length > 0) {
    const wholesaleLocation = item.locations.find(
      (loc) => loc.location_name === WHOLESALE_LOCATION_NAME
    );

    if (wholesaleLocation) {
      return wholesaleLocation.location_available_for_sale_stock || 0;
    }
  }
  // NEVER fall back to item.available_stock (combines all warehouses)
  return 0;
}

Unified Stock Functions (ALWAYS USE)

typescript
// For single item (detail page)
const { stock, source } = await getUnifiedStock(itemId, {
  fetchOnMiss: true,
  context: 'product-detail',
});

// For multiple items (list page)
const stockMap = await getUnifiedStockBulk(itemIds, {
  context: 'shop-list',
});

Type Definition

typescript
interface ZohoItem {
  item_id: string;
  name: string;
  available_stock: number;
  locations?: Array<{
    location_id: string;
    location_name: string;
    location_stock_on_hand: number;
    location_available_for_sale_stock: number;
  }>;
}

List vs Detail Page

Detail Page (Accurate Stock)

  • Endpoint: GET /inventory/v1/items/{item_id}
  • Returns: Full item with locations array
  • Stock: Accurate per-warehouse breakdown
typescript
export async function getProduct(itemId: string) {
  const response = await zohoFetch(`/inventory/v1/items/${itemId}`, {
    params: { organization_id: process.env.ZOHO_ORGANIZATION_ID },
  });

  const item = response.item;
  const stock = getWholesaleAvailableStock(item);
  return { ...item, stock };
}

List Page (Filtered Stock)

  • Endpoint: GET /inventory/v1/items
  • Note: Does NOT return locations array
  • Use warehouse_id parameter to filter
typescript
export async function getAllProductsComplete() {
  const response = await zohoFetch('/inventory/v1/items', {
    params: {
      organization_id: process.env.ZOHO_ORGANIZATION_ID,
      warehouse_id: WHOLESALE_WAREHOUSE_ID,
      status: 'active',
    },
  });

  return response.items.map(item => ({
    ...item,
    stock: item.available_stock ?? 0,
  }));
}

Stock Badge Component

typescript
'use client';
import { Badge } from '@/components/ui/badge';
import { useTranslations } from 'next-intl';

export function StockBadge({ stock }: { stock: number }) {
  const t = useTranslations('products');

  if (stock > 10) {
    return <Badge variant="default">{t('inStock')}</Badge>;
  }

  if (stock > 0) {
    return (
      <Badge variant="warning">
        {t('lowStock', { count: stock })}
      </Badge>
    );
  }

  return <Badge variant="secondary">{t('outOfStock')}</Badge>;
}

Translations

json
// en.json
{
  "products": {
    "inStock": "In Stock",
    "outOfStock": "Out of Stock",
    "lowStock": "Only {count} left",
    "available": "available"
  }
}

// ar.json
{
  "products": {
    "inStock": "متوفر",
    "outOfStock": "غير متوفر",
    "lowStock": "متبقي {count} فقط",
    "available": "متاح"
  }
}

Product Card with Stock

typescript
export function ProductCard({ product }) {
  const t = useTranslations('products');

  return (
    <Card>
      <CardContent>
        <h3>{product.name}</h3>
        <div className="flex items-center gap-2 mt-2">
          {product.stock > 0 ? (
            <>
              <span className="text-green-600">{t('inStock')}</span>
              <span className="text-sm text-muted-foreground">
                ({product.stock} {t('available')})
              </span>
            </>
          ) : (
            <span className="text-red-600">{t('outOfStock')}</span>
          )}
        </div>
      </CardContent>
    </Card>
  );
}

Troubleshooting

Issue Cause Fix
Stock shows 0 Wrong field Use location_available_for_sale_stock
Stock shows 0 Wrong array Use locations not warehouses
Stock shows 0 Wrong warehouse Use ID 2646610000000077024
Stock shows 0 All committed Stock reserved for orders
Not updating Cache stale Revalidate products cache
Different list/detail List lacks locations Expected - use warehouse_id filter

Debug Commands

bash
# Check stock data
curl "https://www.tsh.sale/api/debug/stock"

# Revalidate product cache
curl "https://www.tsh.sale/api/revalidate?tag=products&secret=tsh-revalidate-2024"

Other Locations (DO NOT USE FOR THIS CONSOLE)

Location Type Purpose Use
Main WareHouse Warehouse B2B wholesale ✅ THIS CONSOLE
Dora Store Warehouse Retail shop ❌ EndUser Console
inactive 1/2 Warehouse Inactive ❌ Delete

Only use Main WareHouse (2646610000000077024) for this B2B console.

Stock Sync Commands

bash
# Check cache status
curl "https://www.tsh.sale/api/sync/stock?action=status"

# Force full sync
curl "https://www.tsh.sale/api/sync/stock?action=sync&secret=tsh-stock-sync-2024&force=true"

Checklist

  • Use getUnifiedStock() or getUnifiedStockBulk() for stock retrieval
  • NEVER use item.available_stock directly
  • Handle 0 stock with "Out of Stock" badge
  • Add stock translations (en.json, ar.json)
  • Verify list/detail stock consistency after changes

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