大更新

database/migrations/2026_01_08_152856_add_unit_to_purchase_order_items_table.php

@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('purchase_order_items', function (Blueprint $table) {
+            $table->string('unit')->nullable()->after('quantity')->comment('採購單位');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('purchase_order_items', function (Blueprint $table) {
+            $table->dropColumn('unit');
+        });
+    }
+};

database/migrations/2026_01_08_154909_add_unit_id_to_purchase_order_items_table.php

@@ -0,0 +1,29 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('purchase_order_items', function (Blueprint $table) {
+            $table->foreignId('unit_id')->nullable()->after('quantity')->comment('選擇的單位ID')->constrained('units')->nullOnDelete();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('purchase_order_items', function (Blueprint $table) {
+            $table->dropForeign(['unit_id']);
+            $table->dropColumn('unit_id');
+        });
+    }
+};