Add operators for numerical filters

inventory-server/src/routes/products.js

@@ -16,7 +16,6 @@ router.get('/', async (req, res) => {
     const sortColumn = req.query.sort || 'title';
     const sortDirection = req.query.order === 'desc' ? 'DESC' : 'ASC';
 
-    // Build the WHERE clause
     const conditions = ['p.visible = true'];
     const params = [];
 
@@ -25,185 +24,89 @@ router.get('/', async (req, res) => {
       conditions.push('p.replenishable = true');
     }
 
-    // Handle text search filters
+    // Handle search filter
     if (req.query.search) {
-      conditions.push('(p.title LIKE ? OR p.SKU LIKE ?)');
+      conditions.push('(p.title LIKE ? OR p.SKU LIKE ? OR p.barcode LIKE ?)');
-      params.push(`%${req.query.search}%`, `%${req.query.search}%`);
+      const searchTerm = `%${req.query.search}%`;
+      params.push(searchTerm, searchTerm, searchTerm);
     }
 
-    if (req.query.sku) {
+    // Handle numeric filters with operators
-      conditions.push('p.SKU LIKE ?');
+    const numericFields = {
-      params.push(`%${req.query.sku}%`);
+      stock: 'p.stock_quantity',
-    }
+      price: 'p.price',
+      costPrice: 'p.cost_price',
+      landingCost: 'p.landing_cost_price',
+      dailySalesAvg: 'pm.daily_sales_avg',
+      weeklySalesAvg: 'pm.weekly_sales_avg',
+      monthlySalesAvg: 'pm.monthly_sales_avg',
+      margin: 'pm.avg_margin_percent',
+      gmroi: 'pm.gmroi',
+      leadTime: 'pm.current_lead_time',
+      stockCoverage: 'pm.days_of_inventory',
+      daysOfStock: 'pm.days_of_inventory'
+    };
+
+    Object.entries(req.query).forEach(([key, value]) => {
+      const field = numericFields[key];
+      if (field) {
+        const operator = req.query[`${key}_operator`] || '=';
+        if (operator === 'between') {
+          // Handle between operator
+          try {
+            const [min, max] = JSON.parse(value);
+            conditions.push(`${field} BETWEEN ? AND ?`);
+            params.push(min, max);
+          } catch (e) {
+            console.error(`Invalid between value for ${key}:`, value);
+          }
+        } else {
+          // Handle other operators
+          conditions.push(`${field} ${operator} ?`);
+          params.push(parseFloat(value));
+        }
+      }
+    });
 
     // Handle select filters
-    if (req.query.category && req.query.category !== 'all') {
+    if (req.query.vendor) {
-      conditions.push(`
-        p.product_id IN (
-          SELECT pc.product_id 
-          FROM product_categories pc 
-          JOIN categories c ON pc.category_id = c.id 
-          WHERE c.name = ?
-        )
-      `);
-      params.push(req.query.category);
-    }
-
-    if (req.query.vendor && req.query.vendor !== 'all') {
       conditions.push('p.vendor = ?');
       params.push(req.query.vendor);
     }
 
-    if (req.query.brand && req.query.brand !== 'all') {
+    if (req.query.brand) {
       conditions.push('p.brand = ?');
       params.push(req.query.brand);
     }
 
+    if (req.query.category) {
+      conditions.push('p.categories LIKE ?');
+      params.push(`%${req.query.category}%`);
+    }
+
+    if (req.query.stockStatus && req.query.stockStatus !== 'all') {
+      conditions.push('pm.stock_status = ?');
+      params.push(req.query.stockStatus);
+    }
+
     if (req.query.abcClass) {
       conditions.push('pm.abc_class = ?');
       params.push(req.query.abcClass);
     }
 
-    // Handle numeric range filters
-    if (req.query.minStock) {
-      conditions.push('p.stock_quantity >= ?');
-      params.push(parseFloat(req.query.minStock));
-    }
-
-    if (req.query.maxStock) {
-      conditions.push('p.stock_quantity <= ?');
-      params.push(parseFloat(req.query.maxStock));
-    }
-
-    if (req.query.daysOfStock) {
-      conditions.push('pm.days_of_inventory >= ?');
-      params.push(parseFloat(req.query.daysOfStock));
-    }
-
-    // Handle boolean filters
-    if (req.query.replenishable === 'true' || req.query.replenishable === 'false') {
-      conditions.push('p.replenishable = ?');
-      params.push(req.query.replenishable === 'true');
-    }
-
-    if (req.query.managingStock === 'true' || req.query.managingStock === 'false') {
-      conditions.push('p.managing_stock = ?');
-      params.push(req.query.managingStock === 'true');
-    }
-
-    // Handle price filters
-    if (req.query.minPrice) {
-      conditions.push('p.price >= ?');
-      params.push(parseFloat(req.query.minPrice));
-    }
-
-    if (req.query.maxPrice) {
-      conditions.push('p.price <= ?');
-      params.push(parseFloat(req.query.maxPrice));
-    }
-
-    if (req.query.minCostPrice) {
-      conditions.push('p.cost_price >= ?');
-      params.push(parseFloat(req.query.minCostPrice));
-    }
-
-    if (req.query.maxCostPrice) {
-      conditions.push('p.cost_price <= ?');
-      params.push(parseFloat(req.query.maxCostPrice));
-    }
-
-    if (req.query.minLandingCost) {
-      conditions.push('p.landing_cost_price >= ?');
-      params.push(parseFloat(req.query.minLandingCost));
-    }
-
-    if (req.query.maxLandingCost) {
-      conditions.push('p.landing_cost_price <= ?');
-      params.push(parseFloat(req.query.maxLandingCost));
-    }
-
-    // Handle sales metrics filters
-    if (req.query.minSalesAvg) {
-      conditions.push('pm.daily_sales_avg >= ?');
-      params.push(parseFloat(req.query.minSalesAvg));
-    }
-
-    if (req.query.maxSalesAvg) {
-      conditions.push('pm.daily_sales_avg <= ?');
-      params.push(parseFloat(req.query.maxSalesAvg));
-    }
-
-    if (req.query.minWeeklySales) {
-      conditions.push('pm.weekly_sales_avg >= ?');
-      params.push(parseFloat(req.query.minWeeklySales));
-    }
-
-    if (req.query.maxWeeklySales) {
-      conditions.push('pm.weekly_sales_avg <= ?');
-      params.push(parseFloat(req.query.maxWeeklySales));
-    }
-
-    if (req.query.minMonthlySales) {
-      conditions.push('pm.monthly_sales_avg >= ?');
-      params.push(parseFloat(req.query.minMonthlySales));
-    }
-
-    if (req.query.maxMonthlySales) {
-      conditions.push('pm.monthly_sales_avg <= ?');
-      params.push(parseFloat(req.query.maxMonthlySales));
-    }
-
-    // Handle financial metrics filters
-    if (req.query.minMargin) {
-      conditions.push('pm.avg_margin_percent >= ?');
-      params.push(parseFloat(req.query.minMargin));
-    }
-
-    if (req.query.maxMargin) {
-      conditions.push('pm.avg_margin_percent <= ?');
-      params.push(parseFloat(req.query.maxMargin));
-    }
-
-    if (req.query.minGMROI) {
-      conditions.push('pm.gmroi >= ?');
-      params.push(parseFloat(req.query.minGMROI));
-    }
-
-    if (req.query.maxGMROI) {
-      conditions.push('pm.gmroi <= ?');
-      params.push(parseFloat(req.query.maxGMROI));
-    }
-
-    // Handle lead time and coverage filters
-    if (req.query.minLeadTime) {
-      conditions.push('pm.avg_lead_time_days >= ?');
-      params.push(parseFloat(req.query.minLeadTime));
-    }
-
-    if (req.query.maxLeadTime) {
-      conditions.push('pm.avg_lead_time_days <= ?');
-      params.push(parseFloat(req.query.maxLeadTime));
-    }
-
     if (req.query.leadTimeStatus) {
       conditions.push('pm.lead_time_status = ?');
       params.push(req.query.leadTimeStatus);
     }
 
-    if (req.query.minStockCoverage) {
+    if (req.query.replenishable !== undefined) {
-      conditions.push('(pm.days_of_inventory / pt.target_days) >= ?');
+      conditions.push('p.replenishable = ?');
-      params.push(parseFloat(req.query.minStockCoverage));
+      params.push(req.query.replenishable === 'true' ? 1 : 0);
     }
 
-    if (req.query.maxStockCoverage) {
+    if (req.query.managingStock !== undefined) {
-      conditions.push('(pm.days_of_inventory / pt.target_days) <= ?');
+      conditions.push('p.managing_stock = ?');
-      params.push(parseFloat(req.query.maxStockCoverage));
+      params.push(req.query.managingStock === 'true' ? 1 : 0);
-    }
-
-    // Handle stock status filter
-    if (req.query.stockStatus && req.query.stockStatus !== 'all') {
-      conditions.push('pm.stock_status = ?');
-      params.push(req.query.stockStatus);
     }
 
     // Combine all conditions with AND
@@ -359,7 +262,7 @@ router.get('/', async (req, res) => {
     });
   } catch (error) {
     console.error('Error fetching products:', error);
-    res.status(500).json({ error: 'Internal server error' });
+    res.status(500).json({ error: 'Failed to fetch products' });
   }
 });
 

inventory/package-lock.json

@@ -24,6 +24,8 @@
         "@radix-ui/react-slot": "^1.1.1",
         "@radix-ui/react-switch": "^1.1.2",
         "@radix-ui/react-tabs": "^1.1.2",
+        "@radix-ui/react-toggle": "^1.1.1",
+        "@radix-ui/react-toggle-group": "^1.1.1",
         "@radix-ui/react-tooltip": "^1.1.6",
         "@shadcn/ui": "^0.0.4",
         "@tanstack/react-query": "^5.63.0",
@@ -1970,6 +1972,60 @@
         }
       }
     },
+    "node_modules/@radix-ui/react-toggle": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-toggle/-/react-toggle-1.1.1.tgz",
+      "integrity": "sha512-i77tcgObYr743IonC1hrsnnPmszDRn8p+EGUsUt+5a/JFn28fxaM88Py6V2mc8J5kELMWishI0rLnuGLFD/nnQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/primitive": "1.1.1",
+        "@radix-ui/react-primitive": "2.0.1",
+        "@radix-ui/react-use-controllable-state": "1.1.0"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-toggle-group": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-toggle-group/-/react-toggle-group-1.1.1.tgz",
+      "integrity": "sha512-OgDLZEA30Ylyz8YSXvnGqIHtERqnUt1KUYTKdw/y8u7Ci6zGiJfXc02jahmcSNK3YcErqioj/9flWC9S1ihfwg==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/primitive": "1.1.1",
+        "@radix-ui/react-context": "1.1.1",
+        "@radix-ui/react-direction": "1.1.0",
+        "@radix-ui/react-primitive": "2.0.1",
+        "@radix-ui/react-roving-focus": "1.1.1",
+        "@radix-ui/react-toggle": "1.1.1",
+        "@radix-ui/react-use-controllable-state": "1.1.0"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@radix-ui/react-tooltip": {
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-tooltip/-/react-tooltip-1.1.6.tgz",

inventory/package.json

@@ -26,6 +26,8 @@
     "@radix-ui/react-slot": "^1.1.1",
     "@radix-ui/react-switch": "^1.1.2",
     "@radix-ui/react-tabs": "^1.1.2",
+    "@radix-ui/react-toggle": "^1.1.1",
+    "@radix-ui/react-toggle-group": "^1.1.1",
     "@radix-ui/react-tooltip": "^1.1.6",
     "@shadcn/ui": "^0.0.4",
     "@tanstack/react-query": "^5.63.0",

inventory/src/components/products/ProductFilters.tsx

@@ -17,8 +17,28 @@ import {
   PopoverContent,
   PopoverTrigger,
 } from "@/components/ui/popover";
+import { Input } from "@/components/ui/input";
+import {
+  ToggleGroup,
+  ToggleGroupItem,
+} from "@/components/ui/toggle-group";
 
 type FilterValue = string | number | boolean;
+type ComparisonOperator = '=' | '>' | '>=' | '<' | '<=' | 'between';
+
+interface FilterValueWithOperator {
+  value: FilterValue | [number, number];
+  operator: ComparisonOperator;
+}
+
+export type ActiveFilterValue = FilterValue | FilterValueWithOperator;
+
+interface ActiveFilter {
+  id: string;
+  label: string;
+  value: ActiveFilterValue;
+  displayValue: string;
+}
 
 interface FilterOption {
   id: string;
@@ -26,13 +46,7 @@ interface FilterOption {
   type: 'select' | 'number' | 'boolean' | 'text';
   options?: { label: string; value: string }[];
   group: string;
-}
+  operators?: ComparisonOperator[];
-
-interface ActiveFilter {
-  id: string;
-  label: string;
-  value: FilterValue;
-  displayValue: string;
 }
 
 const FILTER_OPTIONS: FilterOption[] = [
@@ -58,9 +72,20 @@ const FILTER_OPTIONS: FilterOption[] = [
     ],
     group: 'Inventory'
   },
-  { id: 'minStock', label: 'Min Stock', type: 'number', group: 'Inventory' },
+  { 
-  { id: 'maxStock', label: 'Max Stock', type: 'number', group: 'Inventory' },
+    id: 'stock', 
-  { id: 'daysOfStock', label: 'Days of Stock', type: 'number', group: 'Inventory' },
+    label: 'Stock Quantity', 
+    type: 'number', 
+    group: 'Inventory',
+    operators: ['=', '>', '>=', '<', '<=', 'between']
+  },
+  { 
+    id: 'daysOfStock', 
+    label: 'Days of Stock', 
+    type: 'number', 
+    group: 'Inventory',
+    operators: ['=', '>', '>=', '<', '<=', 'between']
+  },
   { 
     id: 'replenishable', 
     label: 'Replenishable', 
@@ -73,30 +98,75 @@ const FILTER_OPTIONS: FilterOption[] = [
   },
   
   // Pricing Group
-  { id: 'minPrice', label: 'Min Price', type: 'number', group: 'Pricing' },
+  { 
-  { id: 'maxPrice', label: 'Max Price', type: 'number', group: 'Pricing' },
+    id: 'price', 
-  { id: 'minCostPrice', label: 'Min Cost Price', type: 'number', group: 'Pricing' },
+    label: 'Price', 
-  { id: 'maxCostPrice', label: 'Max Cost Price', type: 'number', group: 'Pricing' },
+    type: 'number', 
-  { id: 'minLandingCost', label: 'Min Landing Cost', type: 'number', group: 'Pricing' },
+    group: 'Pricing',
-  { id: 'maxLandingCost', label: 'Max Landing Cost', type: 'number', group: 'Pricing' },
+    operators: ['=', '>', '>=', '<', '<=', 'between']
+  },
+  { 
+    id: 'costPrice', 
+    label: 'Cost Price', 
+    type: 'number', 
+    group: 'Pricing',
+    operators: ['=', '>', '>=', '<', '<=', 'between']
+  },
+  { 
+    id: 'landingCost', 
+    label: 'Landing Cost', 
+    type: 'number', 
+    group: 'Pricing',
+    operators: ['=', '>', '>=', '<', '<=', 'between']
+  },
   
   // Sales Metrics Group
-  { id: 'minSalesAvg', label: 'Min Daily Sales Avg', type: 'number', group: 'Sales Metrics' },
+  { 
-  { id: 'maxSalesAvg', label: 'Max Daily Sales Avg', type: 'number', group: 'Sales Metrics' },
+    id: 'dailySalesAvg', 
-  { id: 'minWeeklySales', label: 'Min Weekly Sales Avg', type: 'number', group: 'Sales Metrics' },
+    label: 'Daily Sales Avg', 
-  { id: 'maxWeeklySales', label: 'Max Weekly Sales Avg', type: 'number', group: 'Sales Metrics' },
+    type: 'number', 
-  { id: 'minMonthlySales', label: 'Min Monthly Sales Avg', type: 'number', group: 'Sales Metrics' },
+    group: 'Sales Metrics',
-  { id: 'maxMonthlySales', label: 'Max Monthly Sales Avg', type: 'number', group: 'Sales Metrics' },
+    operators: ['=', '>', '>=', '<', '<=', 'between']
+  },
+  { 
+    id: 'weeklySalesAvg', 
+    label: 'Weekly Sales Avg', 
+    type: 'number', 
+    group: 'Sales Metrics',
+    operators: ['=', '>', '>=', '<', '<=', 'between']
+  },
+  { 
+    id: 'monthlySalesAvg', 
+    label: 'Monthly Sales Avg', 
+    type: 'number', 
+    group: 'Sales Metrics',
+    operators: ['=', '>', '>=', '<', '<=', 'between']
+  },
   
   // Financial Metrics Group
-  { id: 'minMargin', label: 'Min Margin %', type: 'number', group: 'Financial Metrics' },
+  { 
-  { id: 'maxMargin', label: 'Max Margin %', type: 'number', group: 'Financial Metrics' },
+    id: 'margin', 
-  { id: 'minGMROI', label: 'Min GMROI', type: 'number', group: 'Financial Metrics' },
+    label: 'Margin %', 
-  { id: 'maxGMROI', label: 'Max GMROI', type: 'number', group: 'Financial Metrics' },
+    type: 'number', 
+    group: 'Financial Metrics',
+    operators: ['=', '>', '>=', '<', '<=', 'between']
+  },
+  { 
+    id: 'gmroi', 
+    label: 'GMROI', 
+    type: 'number', 
+    group: 'Financial Metrics',
+    operators: ['=', '>', '>=', '<', '<=', 'between']
+  },
   
   // Lead Time & Stock Coverage Group
-  { id: 'minLeadTime', label: 'Min Lead Time (Days)', type: 'number', group: 'Lead Time & Coverage' },
+  { 
-  { id: 'maxLeadTime', label: 'Max Lead Time (Days)', type: 'number', group: 'Lead Time & Coverage' },
+    id: 'leadTime', 
+    label: 'Lead Time (Days)', 
+    type: 'number', 
+    group: 'Lead Time & Coverage',
+    operators: ['=', '>', '>=', '<', '<=', 'between']
+  },
   { 
     id: 'leadTimeStatus', 
     label: 'Lead Time Status', 
@@ -108,8 +178,13 @@ const FILTER_OPTIONS: FilterOption[] = [
     ],
     group: 'Lead Time & Coverage'
   },
-  { id: 'minStockCoverage', label: 'Min Stock Coverage Ratio', type: 'number', group: 'Lead Time & Coverage' },
+  { 
-  { id: 'maxStockCoverage', label: 'Max Stock Coverage Ratio', type: 'number', group: 'Lead Time & Coverage' },
+    id: 'stockCoverage', 
+    label: 'Stock Coverage Ratio', 
+    type: 'number', 
+    group: 'Lead Time & Coverage',
+    operators: ['=', '>', '>=', '<', '<=', 'between']
+  },
   
   // Classification Group
   { 
@@ -139,9 +214,9 @@ interface ProductFiltersProps {
   categories: string[];
   vendors: string[];
   brands: string[];
-  onFilterChange: (filters: Record<string, FilterValue>) => void;
+  onFilterChange: (filters: Record<string, ActiveFilterValue>) => void;
   onClearFilters: () => void;
-  activeFilters: Record<string, FilterValue>;
+  activeFilters: Record<string, ActiveFilterValue>;
 }
 
 export function ProductFilters({
@@ -154,7 +229,9 @@ export function ProductFilters({
 }: ProductFiltersProps) {
   const [showCommand, setShowCommand] = React.useState(false);
   const [selectedFilter, setSelectedFilter] = React.useState<FilterOption | null>(null);
+  const [selectedOperator, setSelectedOperator] = React.useState<ComparisonOperator>('=');
   const [inputValue, setInputValue] = React.useState("");
+  const [inputValue2, setInputValue2] = React.useState(""); // For 'between' operator
   const [searchValue, setSearchValue] = React.useState("");
 
   // Handle keyboard shortcuts
@@ -222,17 +299,22 @@ export function ProductFilters({
     setInputValue("");
   }, []);
 
-  const handleApplyFilter = (value: FilterValue) => {
+  const handleApplyFilter = (value: FilterValue | [number, number]) => {
     if (!selectedFilter) return;
     
     const newFilters = {
       ...activeFilters,
-      [selectedFilter.id]: value
+      [selectedFilter.id]: {
+        value,
+        operator: selectedOperator
+      }
     };
     
-    onFilterChange(newFilters);
+    onFilterChange(newFilters as Record<string, ActiveFilterValue>);
     setSelectedFilter(null);
+    setSelectedOperator('=');
     setInputValue("");
+    setInputValue2("");
     setSearchValue("");
   };
 
@@ -277,6 +359,119 @@ export function ProductFilters({
     });
   }, [activeFilters, filterOptions]);
 
+  const renderOperatorSelect = () => (
+    <ToggleGroup
+      type="single"
+      value={selectedOperator}
+      onValueChange={(value: ComparisonOperator) => value && setSelectedOperator(value)}
+      className="flex-wrap"
+    >
+      <ToggleGroupItem value="=" aria-label="equals">=</ToggleGroupItem>
+      <ToggleGroupItem value=">" aria-label="greater than">{'>'}</ToggleGroupItem>
+      <ToggleGroupItem value=">=" aria-label="greater than or equal">≥</ToggleGroupItem>
+      <ToggleGroupItem value="<" aria-label="less than">{'<'}</ToggleGroupItem>
+      <ToggleGroupItem value="<=" aria-label="less than or equal">≤</ToggleGroupItem>
+      <ToggleGroupItem value="between" aria-label="between">Between</ToggleGroupItem>
+    </ToggleGroup>
+  );
+
+  const renderNumberInput = () => (
+    <div className="flex flex-col gap-4 items-start">
+      {renderOperatorSelect()}
+      <div className="flex items-center gap-2">
+        <Input
+          type="number"
+          placeholder={`Enter ${selectedFilter?.label.toLowerCase()}`}
+          value={inputValue}
+          onChange={(e) => setInputValue(e.target.value)}
+          onKeyDown={(e) => {
+            if (e.key === 'Enter') {
+              if (selectedOperator === 'between') {
+                if (inputValue2) {
+                  const val1 = parseFloat(inputValue);
+                  const val2 = parseFloat(inputValue2);
+                  if (!isNaN(val1) && !isNaN(val2)) {
+                    handleApplyFilter([val1, val2]);
+                  }
+                }
+              } else {
+                const val = parseFloat(inputValue);
+                if (!isNaN(val)) {
+                  handleApplyFilter(val);
+                }
+              }
+            }
+          }}
+          className="w-[120px] [appearance:textfield] [&::-webkit-outer-spin-button]:appearance-none [&::-webkit-inner-spin-button]:appearance-none"
+        />
+        {selectedOperator === 'between' && (
+          <>
+            <span>and</span>
+            <Input
+              type="number"
+              placeholder={`Enter maximum`}
+              value={inputValue2}
+              onChange={(e) => setInputValue2(e.target.value)}
+              onKeyDown={(e) => {
+                if (e.key === 'Enter') {
+                  const val1 = parseFloat(inputValue);
+                  const val2 = parseFloat(inputValue2);
+                  if (!isNaN(val1) && !isNaN(val2)) {
+                    handleApplyFilter([val1, val2]);
+                  }
+                }
+              }}
+              className="w-[120px] [appearance:textfield] [&::-webkit-outer-spin-button]:appearance-none [&::-webkit-inner-spin-button]:appearance-none"
+            />
+          </>
+        )}
+        <Button
+          onClick={() => {
+            if (selectedOperator === 'between') {
+              const val1 = parseFloat(inputValue);
+              const val2 = parseFloat(inputValue2);
+              if (!isNaN(val1) && !isNaN(val2)) {
+                handleApplyFilter([val1, val2]);
+              }
+            } else {
+              const val = parseFloat(inputValue);
+              if (!isNaN(val)) {
+                handleApplyFilter(val);
+              }
+            }
+          }}
+        >
+          Apply
+        </Button>
+      </div>
+    </div>
+  );
+
+  const getFilterDisplayValue = (filter: ActiveFilter) => {
+    if (Array.isArray(filter.value)) {
+      return `between ${filter.value[0]} and ${filter.value[1]}`;
+    }
+    
+    const filterValue = activeFilters[filter.id];
+    const operator = typeof filterValue === 'object' && 'operator' in filterValue
+      ? filterValue.operator
+      : '=';
+    const value = typeof filterValue === 'object' && 'value' in filterValue
+      ? filterValue.value
+      : filterValue;
+      
+    const operatorDisplay = {
+      '=': '=',
+      '>': '>',
+      '>=': '≥',
+      '<': '<',
+      '<=': '≤',
+      'between': 'between'
+    }[operator];
+    
+    return `${operatorDisplay} ${value}`;
+  };
+
   return (
     <div className="space-y-4">
       <div className="flex flex-wrap items-center gap-2">
@@ -287,23 +482,15 @@ export function ProductFilters({
               size="sm"
               className="h-8 border-dashed"
             >
-              <Plus 
+              <Plus className={cn(
-                className={cn(
+                "mr-2 h-4 w-4 transition-transform duration-200",
-                  "mr-2 h-4 w-4 transition-transform duration-200",
+                showCommand && "rotate-[135deg]"
-                  showCommand && "rotate-[135deg]"
+              )} />
-                )}
-              />
               {showCommand ? "Cancel" : "Add Filter"}
             </Button>
           </PopoverTrigger>
-          <PopoverContent 
+          <PopoverContent className="p-0 w-[520px]" align="start">
-            className="p-0 w-[520px]" 
+            <Command className="rounded-none border-0" shouldFilter={false}>
-            align="start"
-          >
-            <Command 
-              className="rounded-none border-0"
-              shouldFilter={false}
-            >
               {!selectedFilter ? (
                 <>
                   <CommandInput 
@@ -351,6 +538,19 @@ export function ProductFilters({
                     ))}
                   </CommandList>
                 </>
+              ) : selectedFilter.type === 'number' ? (
+                <div className="p-4">
+                  <div className="mb-4">
+                    <Button
+                      variant="ghost"
+                      onClick={() => setSelectedFilter(null)}
+                      className="text-muted-foreground"
+                    >
+                      ← Back to filters
+                    </Button>
+                  </div>
+                  {renderNumberInput()}
+                </div>
               ) : selectedFilter.type === 'select' ? (
                 <>
                   <CommandInput 
@@ -479,7 +679,7 @@ export function ProductFilters({
             className="flex items-center gap-1"
           >
             <span>
-              {filter.label}: {filter.displayValue}
+              {filter.label}: {getFilterDisplayValue(filter)}
             </span>
             <Button
               variant="ghost"
@@ -488,6 +688,7 @@ export function ProductFilters({
               onClick={() => {
                 const newFilters = { ...activeFilters };
                 delete newFilters[filter.id];
+                delete newFilters[`${filter.id}_operator`];
                 onFilterChange(newFilters);
               }}
             >

inventory/src/components/ui/toggle-group.tsx

@@ -0,0 +1,59 @@
+import * as React from "react"
+import * as ToggleGroupPrimitive from "@radix-ui/react-toggle-group"
+import { type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+import { toggleVariants } from "@/components/ui/toggle"
+
+const ToggleGroupContext = React.createContext<
+  VariantProps<typeof toggleVariants>
+>({
+  size: "default",
+  variant: "default",
+})
+
+const ToggleGroup = React.forwardRef<
+  React.ElementRef<typeof ToggleGroupPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof ToggleGroupPrimitive.Root> &
+    VariantProps<typeof toggleVariants>
+>(({ className, variant, size, children, ...props }, ref) => (
+  <ToggleGroupPrimitive.Root
+    ref={ref}
+    className={cn("flex items-center justify-center gap-1", className)}
+    {...props}
+  >
+    <ToggleGroupContext.Provider value={{ variant, size }}>
+      {children}
+    </ToggleGroupContext.Provider>
+  </ToggleGroupPrimitive.Root>
+))
+
+ToggleGroup.displayName = ToggleGroupPrimitive.Root.displayName
+
+const ToggleGroupItem = React.forwardRef<
+  React.ElementRef<typeof ToggleGroupPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof ToggleGroupPrimitive.Item> &
+    VariantProps<typeof toggleVariants>
+>(({ className, children, variant, size, ...props }, ref) => {
+  const context = React.useContext(ToggleGroupContext)
+
+  return (
+    <ToggleGroupPrimitive.Item
+      ref={ref}
+      className={cn(
+        toggleVariants({
+          variant: context.variant || variant,
+          size: context.size || size,
+        }),
+        className
+      )}
+      {...props}
+    >
+      {children}
+    </ToggleGroupPrimitive.Item>
+  )
+})
+
+ToggleGroupItem.displayName = ToggleGroupPrimitive.Item.displayName
+
+export { ToggleGroup, ToggleGroupItem }

inventory/src/components/ui/toggle.tsx

@@ -0,0 +1,45 @@
+"use client"
+
+import * as React from "react"
+import * as TogglePrimitive from "@radix-ui/react-toggle"
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+
+const toggleVariants = cva(
+  "inline-flex items-center justify-center gap-2 rounded-md text-sm font-medium transition-colors hover:bg-muted hover:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 data-[state=on]:bg-accent data-[state=on]:text-accent-foreground [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
+  {
+    variants: {
+      variant: {
+        default: "bg-transparent",
+        outline:
+          "border border-input bg-transparent shadow-sm hover:bg-accent hover:text-accent-foreground",
+      },
+      size: {
+        default: "h-9 px-2 min-w-9",
+        sm: "h-8 px-1.5 min-w-8",
+        lg: "h-10 px-2.5 min-w-10",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  }
+)
+
+const Toggle = React.forwardRef<
+  React.ElementRef<typeof TogglePrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof TogglePrimitive.Root> &
+    VariantProps<typeof toggleVariants>
+>(({ className, variant, size, ...props }, ref) => (
+  <TogglePrimitive.Root
+    ref={ref}
+    className={cn(toggleVariants({ variant, size, className }))}
+    {...props}
+  />
+))
+
+Toggle.displayName = TogglePrimitive.Root.displayName
+
+export { Toggle, toggleVariants }

inventory/src/pages/Products.tsx

@@ -1,7 +1,7 @@
 import { useState, useEffect, useMemo } from 'react';
 import { useQuery, keepPreviousData } from '@tanstack/react-query';
 import { useSearchParams } from 'react-router-dom';
-import { ProductFilters } from '@/components/products/ProductFilters';
+import { ProductFilters, type ActiveFilterValue } from '@/components/products/ProductFilters';
 import { ProductTable } from '@/components/products/ProductTable';
 import { ProductTableSkeleton } from '@/components/products/ProductTableSkeleton';
 import { ProductDetail } from '@/components/products/ProductDetail';
@@ -30,6 +30,7 @@ import {
 } from "@/components/ui/pagination"
 import { Switch } from '@/components/ui/switch';
 import { Label } from '@/components/ui/label';
+import { toast } from "sonner";
 
 // Column definition type
 interface ColumnDef {
@@ -153,7 +154,7 @@ const VIEW_COLUMNS: Record<string, ColumnKey[]> = {
 
 export function Products() {
   const [searchParams, setSearchParams] = useSearchParams();
-  const [filters, setFilters] = useState<Record<string, string | number | boolean>>({});
+  const [filters, setFilters] = useState<Record<string, ActiveFilterValue>>({});
   const [sortColumn, setSortColumn] = useState<ColumnKey>('title');
   const [sortDirection, setSortDirection] = useState<'asc' | 'desc'>('asc');
   const [currentPage, setCurrentPage] = useState(1);
@@ -161,6 +162,7 @@ export function Products() {
   const [pageSize] = useState(50);
   const [showNonReplenishable, setShowNonReplenishable] = useState(false);
   const [selectedProductId, setSelectedProductId] = useState<number | null>(null);
+  const [, setIsLoading] = useState(false);
   
   // Store visible columns and order for each view
   const [viewColumns, setViewColumns] = useState<Record<string, Set<ColumnKey>>>(() => {
@@ -228,41 +230,65 @@ export function Products() {
   };
 
   // Function to fetch products data
-  const fetchProducts = async () => {
+  const transformFilters = (filters: Record<string, any>) => {
-    const params = new URLSearchParams();
+    const transformedFilters: Record<string, any> = {};
     
-    // Add pagination params
-    params.append('page', currentPage.toString());
-    params.append('limit', pageSize.toString());
-
-    // Add sorting params
-    if (sortColumn) {
-      params.append('sort', sortColumn);
-      params.append('order', sortDirection);
-    }
-
-    // Add view filter
-    if (activeView !== 'all') {
-      params.append('stockStatus', activeView === 'at-risk' ? 'At Risk' : activeView);
-    }
-
-    // Add showNonReplenishable param
-    if (showNonReplenishable) {
-      params.append('showNonReplenishable', 'true');
-    }
-
-    // Add other filters
     Object.entries(filters).forEach(([key, value]) => {
-      if (value !== undefined && value !== '') {
+      if (typeof value === 'object' && 'operator' in value) {
-        params.append(key, value.toString());
+        transformedFilters[key] = value.value;
+        transformedFilters[`${key}_operator`] = value.operator;
+      } else {
+        transformedFilters[key] = value;
       }
     });
     
-    const response = await fetch('/api/products?' + params.toString());
+    return transformedFilters;
-    if (!response.ok) {
+  };
-      throw new Error('Failed to fetch products');
+
+  const fetchProducts = async () => {
+    setIsLoading(true);
+    try {
+      const params = new URLSearchParams();
+      params.append('page', currentPage.toString());
+      params.append('limit', pageSize.toString());
+      
+      if (sortColumn) {
+        params.append('sort', sortColumn);
+        params.append('order', sortDirection);
+      }
+      
+      if (activeView && activeView !== 'all') {
+        params.append('stockStatus', activeView === 'at-risk' ? 'At Risk' : activeView);
+      }
+
+      // Transform filters to match API expectations
+      const transformedFilters = transformFilters(filters);
+      Object.entries(transformedFilters).forEach(([key, value]) => {
+        if (value !== undefined && value !== null && value !== '') {
+          if (Array.isArray(value)) {
+            params.append(key, JSON.stringify(value));
+          } else {
+            params.append(key, value.toString());
+          }
+        }
+      });
+
+      if (!showNonReplenishable) {
+        params.append('showNonReplenishable', 'false');
+      }
+
+      const response = await fetch(`/api/products?${params.toString()}`);
+      if (!response.ok) throw new Error('Failed to fetch products');
+      
+      const data = await response.json();
+      return data;
+    } catch (error) {
+      console.error('Error fetching products:', error);
+      toast("Failed to fetch products. Please try again.");
+      return null;
+    } finally {
+      setIsLoading(false);
     }
-    return response.json();
   };
 
   // Query for products data
@@ -289,7 +315,7 @@ export function Products() {
   };
 
   // Handle filter changes
-  const handleFilterChange = (newFilters: Record<string, string | number | boolean>) => {
+  const handleFilterChange = (newFilters: Record<string, ActiveFilterValue>) => {
     setFilters(newFilters);
     setCurrentPage(1);
   };