mirror of
https://github.com/crmeb/CRMEB.git
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93 lines
4.1 KiB
PHP
93 lines
4.1 KiB
PHP
<?php
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declare(strict_types=1);
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namespace modules\service\mcp\tools;
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use app\dao\product\CenterProductDao;
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use app\services\product\CenterProductServices;
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use modules\service\mcp\McpException;
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use crmeb\interfaces\McpToolInterface;
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/** MCP 工具：低库存商品预警与指定实物商品 SKU 库存。 */
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class InventoryAlertTool implements McpToolInterface
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{
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/** @var CenterProductDao 中台商品 DAO */
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private CenterProductDao $dao;
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/** @var CenterProductServices 商品服务 */
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private CenterProductServices $products;
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/** @param CenterProductDao $dao 中台商品 DAO @param CenterProductServices $products 商品服务 */
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public function __construct(CenterProductDao $dao, CenterProductServices $products)
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{
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$this->dao = $dao;
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$this->products = $products;
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}
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/** @return string 工具名 */
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public function name(): string { return 'crmeb_inventory_alert'; }
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/** @return string 工具描述 */
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public function description(): string
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{
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return '查询在售商品的中台总库存低于阈值的商品（分页），可指定实物商品 ID 查看其已启用 SKU 的库存。'
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. '各产品类型有独立 SKU 表，全站预警以中台汇总库存为准；指定商品的 SKU 结果仅支持实物 normal 类型。';
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}
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/**
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* 工具中文名（管理后台展示）
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* @return string
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*/
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public function label(): string
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{
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return '库存预警';
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}
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/** @return array 入参 JSON Schema */
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public function inputSchema(): array
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{
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return ['type' => 'object', 'properties' => [
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'threshold' => ['type' => 'integer', 'minimum' => 0, 'maximum' => 10000, 'description' => '库存上限（含），默认10'],
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'page' => ['type' => 'integer', 'description' => '页码，默认1'],
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'limit' => ['type' => 'integer', 'description' => '每页最多50'],
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'product_id' => ['type' => 'integer', 'minimum' => 1, 'description' => '实物商品ID，另返回其已启用 SKU 库存'],
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]];
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}
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/** @param array $args 筛选条件 @return array 库存预警列表 @throws McpException 参数错误 */
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public function execute(array $args): array
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{
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$threshold = $args['threshold'] ?? 10;
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if (!is_int($threshold) || $threshold < 0 || $threshold > 10000) {
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throw new McpException('threshold 必须是 0 到 10000 的整数');
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}
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$page = max(1, (int)($args['page'] ?? 1));
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$limit = min(50, max(1, (int)($args['limit'] ?? 20)));
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$where = [['is_del', '=', 0], ['is_show', '=', 1], ['stock', '<=', $threshold]];
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$query = $this->dao->search($where);
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$list = $query->field('id,product_type,name,stock,image')
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->order('stock asc,id asc')->page($page, $limit)->select()->toArray();
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$count = $this->dao->search($where)->count();
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$result = ['threshold' => $threshold, 'list' => $list, 'count' => $count, 'page' => $page, 'limit' => $limit];
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if (isset($args['product_id'])) {
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$productId = filter_var($args['product_id'], FILTER_VALIDATE_INT, ['options' => ['min_range' => 1]]);
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if ($productId === false) {
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throw new McpException('product_id 必须为正整数');
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}
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$product = $this->dao->search([['id', '=', $productId], ['is_del', '=', 0]])
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->field('id,product_type,name,stock')->find();
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if (!$product || (string)$product['product_type'] !== 'normal') {
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throw new McpException('仅支持查询现存实物商品的 SKU 库存');
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}
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$skus = $this->products->getNormalProductSkuList((int)$productId);
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$result['product'] = $product->toArray();
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$result['skus'] = array_map(static fn(array $sku): array => [
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'sku_id' => (int)($sku['id'] ?? 0),
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'specification' => (string)($sku['suk'] ?? $sku['sku_name'] ?? ''),
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'stock' => (int)($sku['stock'] ?? 0),
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'low_stock' => (int)($sku['stock'] ?? 0) <= $threshold,
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], $skus);
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}
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return $result;
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}
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}
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