229 lines
9.9 KiB
PHP
229 lines
9.9 KiB
PHP
<?php
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namespace App\Modules\Inventory\Services;
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use App\Modules\Inventory\Models\InventoryTransaction;
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use App\Modules\Inventory\Models\Product; // Use Inventory module's Product if available, or Core's? Usually Product is in Inventory/Models? No, let's check.
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// Checking Product model location... likely App\Modules\Product\Models\Product or App\Modules\Inventory\Models\Product.
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// From previous context: "products.create" permission suggests a Products module.
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// But stock query uses `products` table join.
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// Let's assume standard Laravel query builder or check existing models.
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// StockQueryController uses `InventoryService`.
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// I will use DB facade or InventoryTransaction model for aggregation.
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use Illuminate\Support\Facades\DB;
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use Illuminate\Database\Eloquent\Builder;
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class InventoryReportService
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{
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/**
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* 取得庫存報表資料
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*
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* @param array $filters 篩選條件
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* @param int|null $perPage 每頁筆數
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* @return \Illuminate\Pagination\LengthAwarePaginator|\Illuminate\Support\Collection
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*/
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public function getReportData(array $filters, ?int $perPage = 10)
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{
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$dateFrom = $filters['date_from'] ?? null;
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$dateTo = $filters['date_to'] ?? null;
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$warehouseId = $filters['warehouse_id'] ?? null;
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$categoryId = $filters['category_id'] ?? null;
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$search = $filters['search'] ?? null;
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// 若無任何篩選條件，直接回傳空資料
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if (!$dateFrom && !$dateTo && !$warehouseId && !$categoryId && !$search) {
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return new \Illuminate\Pagination\LengthAwarePaginator([], 0, $perPage ?: 10);
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}
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// 定義時間欄位轉換 (UTC -> Asia/Taipei)
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// 日期欄位：Laravel 時區已設為 Asia/Taipei，直接使用 actual_time
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$timeColumn = "inventory_transactions.actual_time";
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// 建立查詢
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// 我們需要針對每個 品項 在選定區間內 進行彙總
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// 來源：inventory_transactions -> inventory -> product
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$query = InventoryTransaction::query()
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->select([
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'products.code as product_code',
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'products.name as product_name',
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'categories.name as category_name',
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'products.id as product_id',
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// 進貨量：type 為 入庫, 手動入庫 (排除 調撥入庫)
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DB::raw("SUM(CASE WHEN inventory_transactions.type IN ('入庫', '手動入庫') AND inventory_transactions.quantity > 0 THEN inventory_transactions.quantity ELSE 0 END) as inbound_qty"),
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// 出貨量：type 為 出庫 (排除 調撥出庫) (取絕對值)
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DB::raw("ABS(SUM(CASE WHEN inventory_transactions.type IN ('出庫') AND inventory_transactions.quantity < 0 THEN inventory_transactions.quantity ELSE 0 END)) as outbound_qty"),
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// 調整量：type 為 庫存調整, 手動編輯
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DB::raw("SUM(CASE WHEN inventory_transactions.type IN ('庫存調整', '手動編輯') THEN inventory_transactions.quantity ELSE 0 END) as adjust_qty"),
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// 調撥淨額 (隱藏欄位，但包含在 net_change)
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// 淨變動：總和 (包含所有類型：進貨、出貨、調整、調撥)
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DB::raw("SUM(inventory_transactions.quantity) as net_change"),
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])
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->join('inventories', 'inventory_transactions.inventory_id', '=', 'inventories.id')
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->join('products', 'inventories.product_id', '=', 'products.id')
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->leftJoin('categories', 'products.category_id', '=', 'categories.id');
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// 日期篩選：資料庫儲存的是台北時間，直接用字串比對
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if ($dateFrom && $dateTo) {
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$query->whereRaw("$timeColumn >= ? AND $timeColumn <= ?", [
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$dateFrom . ' 00:00:00',
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$dateTo . ' 23:59:59'
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]);
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} elseif ($dateFrom) {
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$query->whereRaw("$timeColumn >= ?", [$dateFrom . ' 00:00:00']);
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} elseif ($dateTo) {
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$query->whereRaw("$timeColumn <= ?", [$dateTo . ' 23:59:59']);
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}
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// 應用篩選
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if ($warehouseId) {
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$query->where('inventories.warehouse_id', $warehouseId);
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}
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if ($categoryId) {
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$query->where('products.category_id', $categoryId);
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}
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if ($search) {
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$query->where(function ($q) use ($search) {
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$q->where('products.name', 'like', "%{$search}%")
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->orWhere('products.code', 'like', "%{$search}%");
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});
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}
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// 分組與排序
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$query->groupBy([
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'products.id',
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'products.code',
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'products.name',
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'categories.name'
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]);
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$query->orderBy('products.code', 'asc');
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if ($perPage) {
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return $query->paginate($perPage)->withQueryString();
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}
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return $query->get();
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}
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/**
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* 取得報表統計數據 (不分頁，針對篩選條件的全量統計)
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*/
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public function getSummary(array $filters)
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{
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$dateFrom = $filters['date_from'] ?? null;
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$dateTo = $filters['date_to'] ?? null;
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$warehouseId = $filters['warehouse_id'] ?? null;
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$categoryId = $filters['category_id'] ?? null;
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$search = $filters['search'] ?? null;
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// 若無任何篩選條件，直接回傳零值
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if (!$dateFrom && !$dateTo && !$warehouseId && !$categoryId && !$search) {
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return (object)[
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'total_inbound' => 0,
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'total_outbound' => 0,
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'total_adjust' => 0,
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'total_net_change' => 0,
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];
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}
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// 日期欄位：Laravel 時區已設為 Asia/Taipei，直接使用 actual_time
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$timeColumn = "inventory_transactions.actual_time";
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$query = InventoryTransaction::query()
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->join('inventories', 'inventory_transactions.inventory_id', '=', 'inventories.id')
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->join('products', 'inventories.product_id', '=', 'products.id')
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->leftJoin('categories', 'products.category_id', '=', 'categories.id');
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// 日期篩選：資料庫儲存的是台北時間，直接用字串比對
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if ($dateFrom && $dateTo) {
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$query->whereRaw("$timeColumn >= ? AND $timeColumn <= ?", [
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$dateFrom . ' 00:00:00',
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$dateTo . ' 23:59:59'
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]);
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} elseif ($dateFrom) {
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$query->whereRaw("$timeColumn >= ?", [$dateFrom . ' 00:00:00']);
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} elseif ($dateTo) {
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$query->whereRaw("$timeColumn <= ?", [$dateTo . ' 23:59:59']);
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}
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if ($warehouseId) {
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$query->where('inventories.warehouse_id', $warehouseId);
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}
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if ($categoryId) {
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$query->where('products.category_id', $categoryId);
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}
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if ($search) {
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$query->where(function ($q) use ($search) {
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$q->where('products.name', 'like', "%{$search}%")
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->orWhere('products.code', 'like', "%{$search}%");
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});
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}
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// 直接聚合所有符合條件的交易
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return $query->select([
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DB::raw("SUM(CASE WHEN inventory_transactions.type IN ('入庫', '手動入庫') AND inventory_transactions.quantity > 0 THEN inventory_transactions.quantity ELSE 0 END) as total_inbound"),
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DB::raw("ABS(SUM(CASE WHEN inventory_transactions.type IN ('出庫') AND inventory_transactions.quantity < 0 THEN inventory_transactions.quantity ELSE 0 END)) as total_outbound"),
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DB::raw("SUM(CASE WHEN inventory_transactions.type IN ('庫存調整', '手動編輯') THEN inventory_transactions.quantity ELSE 0 END) as total_adjust"),
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DB::raw("SUM(inventory_transactions.quantity) as total_net_change"),
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])->first();
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}
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/**
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* 取得特定商品的庫存異動明細
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*/
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public function getProductDetails($productId, array $filters, ?int $perPage = 20)
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{
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$dateFrom = $filters['date_from'] ?? null;
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$dateTo = $filters['date_to'] ?? null;
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$warehouseId = $filters['warehouse_id'] ?? null;
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// 日期欄位：Laravel 時區已設為 Asia/Taipei，直接使用 actual_time
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$timeColumn = "inventory_transactions.actual_time";
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$query = InventoryTransaction::query()
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->select([
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'inventory_transactions.*',
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'inventories.warehouse_id',
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'inventories.batch_number as batch_no',
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'warehouses.name as warehouse_name',
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'users.name as user_name',
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'products.code as product_code',
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'products.name as product_name',
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'units.name as unit_name'
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])
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->join('inventories', 'inventory_transactions.inventory_id', '=', 'inventories.id')
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->join('products', 'inventories.product_id', '=', 'products.id')
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->leftJoin('units', 'products.base_unit_id', '=', 'units.id')
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->leftJoin('warehouses', 'inventories.warehouse_id', '=', 'warehouses.id')
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->leftJoin('users', 'inventory_transactions.user_id', '=', 'users.id')
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->where('products.id', $productId);
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// 日期篩選：資料庫儲存的是台北時間，直接用字串比對
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if ($dateFrom && $dateTo) {
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$query->whereRaw("$timeColumn >= ? AND $timeColumn <= ?", [
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$dateFrom . ' 00:00:00',
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$dateTo . ' 23:59:59'
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]);
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} elseif ($dateFrom) {
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$query->whereRaw("$timeColumn >= ?", [$dateFrom . ' 00:00:00']);
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} elseif ($dateTo) {
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$query->whereRaw("$timeColumn <= ?", [$dateTo . ' 23:59:59']);
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}
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if ($warehouseId) {
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$query->where('inventories.warehouse_id', $warehouseId);
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}
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// 排序：最新的在最上面
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$query->orderBy('inventory_transactions.actual_time', 'desc')
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->orderBy('inventory_transactions.id', 'desc');
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return $query->paginate($perPage)->withQueryString();
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}
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}
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