fix: arreglo de migraciones

database/migrations/2026_02_05_133708_create_inventory_movements_table.php

@@ -18,10 +18,12 @@ public function up(): void
             $table->foreignId('warehouse_to_id')->nullable()->constrained('warehouses')->onDelete('restrict');
             $table->enum('movement_type', ['entry', 'exit', 'transfer', 'sale', 'return']);
             $table->integer('quantity');
+            $table->decimal('unit_cost', 15, 2)->nullable();
             $table->string('reference_type')->nullable();
             $table->unsignedBigInteger('reference_id')->nullable();
             $table->foreignId('user_id')->constrained('users')->onDelete('restrict');
             $table->text('notes')->nullable();
+            $table->string('invoice_reference')->nullable();
             $table->timestamp('created_at');
 
             $table->index(['inventory_id', 'created_at']);

database/migrations/2026_02_05_141627_migrate_existing_inventory_to_warehouses.php

@@ -22,7 +22,10 @@ public function up()
             'updated_at' => now(),
         ]);
 
-        // 2. Migrar stock de inventories a inventory_warehouse
+        // 2. Obtener usuario admin para los movimientos
+        $adminUser = DB::table('users')->first();
+
+        // 3. Migrar stock de inventories a inventory_warehouse y generar movimientos entry
         $inventories = DB::table('inventories')->whereNull('deleted_at')->get();
 
         foreach ($inventories as $inventory) {
@@ -33,22 +36,74 @@ public function up()
                 'created_at' => now(),
                 'updated_at' => now(),
             ]);
+
+            // Generar movimiento de entrada inicial solo si tiene stock
+            if ($inventory->stock > 0) {
+                $cost = DB::table('prices')
+                    ->where('inventory_id', $inventory->id)
+                    ->value('cost');
+
+                DB::table('inventory_movements')->insert([
+                    'inventory_id' => $inventory->id,
+                    'warehouse_from_id' => null,
+                    'warehouse_to_id' => $mainWarehouse,
+                    'movement_type' => 'entry',
+                    'quantity' => $inventory->stock,
+                    'unit_cost' => $cost ?? 0,
+                    'user_id' => $adminUser->id,
+                    'notes' => 'Saldo inicial - migración de inventario existente',
+                    'invoice_reference' => 'MIGRACIÓN',
+                    'created_at' => now(),
+                ]);
+            }
         }
 
-        // 3. Asignar almacén principal a todos los seriales existentes
+        // 4. Asignar almacén principal a todos los seriales existentes
         DB::table('inventory_serials')->update([
             'warehouse_id' => $mainWarehouse,
         ]);
 
-        // 4. Asignar almacén principal a sale_details existentes (nullable, opcional)
+        // 5. Asignar almacén principal a sale_details existentes
         DB::table('sale_details')
             ->whereNull('warehouse_id')
             ->update(['warehouse_id' => $mainWarehouse]);
+
+        // 6. Eliminar columna stock de inventories (ahora vive en inventory_warehouse)
+        Schema::table('inventories', function (Blueprint $table) {
+            $table->dropColumn('stock');
+        });
+
+        // 7. Hacer cost nullable en prices (para productos nuevos sin entrada aún)
+        Schema::table('prices', function (Blueprint $table) {
+            $table->decimal('cost', 15, 2)->nullable()->change();
+        });
     }
 
     public function down()
     {
-        // Rollback: eliminar asignaciones de warehouse
+        // Restaurar cost como no nullable
+        Schema::table('prices', function (Blueprint $table) {
+            $table->decimal('cost', 15, 2)->nullable(false)->change();
+        });
+
+        // Restaurar columna stock en inventories
+        Schema::table('inventories', function (Blueprint $table) {
+            $table->integer('stock')->default(0)->after('barcode');
+        });
+
+        // Restaurar stock desde inventory_warehouse
+        $records = DB::table('inventory_warehouse')->get();
+        foreach ($records as $record) {
+            DB::table('inventories')
+                ->where('id', $record->inventory_id)
+                ->increment('stock', $record->stock);
+        }
+
+        // Limpiar datos migrados
+        DB::table('inventory_movements')
+            ->where('notes', 'Saldo inicial - migración de inventario existente')
+            ->delete();
+
         DB::table('inventory_serials')->update(['warehouse_id' => null]);
         DB::table('sale_details')->update(['warehouse_id' => null]);
         DB::table('inventory_warehouse')->truncate();

database/migrations/2026_02_05_211236_add_invoice_reference_to_inventory_movements_table.php

@@ -1,38 +0,0 @@
-<?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
-    {
-        // Agregar invoice_reference a inventory_movements
-        Schema::table('inventory_movements', function (Blueprint $table) {
-            $table->string('invoice_reference')->nullable()->after('notes');
-        });
-
-        // Eliminar stock de inventories (ahora vive en inventory_warehouse)
-        Schema::table('inventories', function (Blueprint $table) {
-            $table->dropColumn('stock');
-        });
-    }
-
-    /**
-     * Reverse the migrations.
-     */
-    public function down(): void
-    {
-        Schema::table('inventory_movements', function (Blueprint $table) {
-            $table->dropColumn('invoice_reference');
-        });
-
-        Schema::table('inventories', function (Blueprint $table) {
-            $table->integer('stock')->default(0)->after('sku');
-        });
-    }
-};

database/migrations/2026_02_06_101139_add_unit_cost_to_inventory_movements_table.php

@@ -1,28 +0,0 @@
-<?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('inventory_movements', function (Blueprint $table) {
-            $table->decimal('unit_cost', 15, 2)->nullable()->after('quantity');
-        });
-    }
-
-    /**
-     * Reverse the migrations.
-     */
-    public function down(): void
-    {
-        Schema::table('inventory_movements', function (Blueprint $table) {
-            $table->dropColumn('unit_cost');
-        });
-    }
-};

database/migrations/2026_02_06_103956_make_cost_nullable_in_prices_table.php

@@ -1,28 +0,0 @@
-<?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('prices', function (Blueprint $table) {
-            $table->decimal('cost', 15, 2)->nullable()->change();
-        });
-    }
-
-    /**
-     * Reverse the migrations.
-     */
-    public function down(): void
-    {
-        Schema::table('prices', function (Blueprint $table) {
-            $table->decimal('cost', 15, 2)->nullable(false)->change();
-        });
-    }
-};