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source-code/ERP(A-b)-倉庫管理/src/hooks/useInventoryFilter.ts

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+/**
+ * 庫存篩選 Hook
+ * 處理庫存項目的搜尋和類型篩選邏輯
+ */
+
+import { useMemo } from "react";
+import { WarehouseInventory } from "../types/warehouse";
+import { AVAILABLE_PRODUCTS } from "../constants/products";
+
+export const useInventoryFilter = (
+  items: WarehouseInventory[],
+  searchTerm: string,
+  typeFilter: string
+) => {
+  return useMemo(() => {
+    return items.filter((item) => {
+      const matchesSearch =
+        item.productName.toLowerCase().includes(searchTerm.toLowerCase()) ||
+        item.batchNumber.toLowerCase().includes(searchTerm.toLowerCase());
+      
+      // 根據類型篩選
+      let matchesType = true;
+      if (typeFilter !== "all") {
+        const product = AVAILABLE_PRODUCTS.find((p) => p.id === item.productId);
+        matchesType = product?.type === typeFilter;
+      }
+      
+      return matchesSearch && matchesType;
+    });
+  }, [items, searchTerm, typeFilter]);
+};

source-code/ERP(A-b)-倉庫管理/src/hooks/useInventoryForm.ts

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+/**
+ * 庫存表單 Hook
+ * 處理新增庫存項目的表單狀態和邏輯
+ */
+
+import { useState } from "react";
+import { WarehouseInventory } from "../types/warehouse";
+
+export interface InventoryFormData {
+  productId: string;
+  batchNumber: string;
+  quantity: number;
+  expiryDate: string;
+  safetyStock: number;
+  lastInboundDate: string;
+  lastOutboundDate: string;
+}
+
+const initialFormData: InventoryFormData = {
+  productId: "",
+  batchNumber: "",
+  quantity: 0,
+  expiryDate: "",
+  safetyStock: 0,
+  lastInboundDate: "",
+  lastOutboundDate: "",
+};
+
+export const useInventoryForm = () => {
+  const [formData, setFormData] = useState<InventoryFormData>(initialFormData);
+
+  const resetForm = (defaultProductId?: string) => {
+    setFormData({
+      ...initialFormData,
+      productId: defaultProductId || "",
+    });
+  };
+
+  const updateField = <K extends keyof InventoryFormData>(
+    field: K,
+    value: InventoryFormData[K]
+  ) => {
+    setFormData((prev) => ({ ...prev, [field]: value }));
+  };
+
+  return {
+    formData,
+    setFormData,
+    resetForm,
+    updateField,
+  };
+};

source-code/ERP(A-b)-倉庫管理/src/hooks/useWarehouseFilter.ts

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+/**
+ * 倉庫篩選 Hook
+ * 處理倉庫的搜尋和類別篩選邏輯
+ */
+
+import { useMemo } from "react";
+import { Warehouse } from "../types/warehouse";
+
+export const useWarehouseFilter = (
+  warehouses: Warehouse[],
+  searchTerm: string,
+  typeFilter: string
+) => {
+  return useMemo(() => {
+    return warehouses.filter((warehouse) => {
+      const matchesSearch = warehouse.name
+        .toLowerCase()
+        .includes(searchTerm.toLowerCase());
+      const matchesType = typeFilter === "all" || warehouse.type === typeFilter;
+      return matchesSearch && matchesType;
+    });
+  }, [warehouses, searchTerm, typeFilter]);
+};