feat: 完成规格映射与采购任务创建 (#69)

admin/repository/task.go

@@ -445,3 +445,40 @@ func InsertCollectTask(q Execer, taskID, goodsID, goodsURL string) error {
 	}
 	return nil
 }
+
+// HasActivePurchaseTask 判断顺运宝明细是否已有尚未结束的采购任务。
+func HasActivePurchaseTask(q Execer, sybID string) (bool, error) {
+	var count int
+	err := q.QueryRow(`
+		SELECT COUNT(*) FROM tasks
+		 WHERE task_type = 'purchase' AND syb_id = ?
+		   AND status IN ('pending', 'assigned', 'claimed')`, sybID).Scan(&count)
+	if err != nil {
+		return false, fmt.Errorf("检查顺运宝明细 %s 的进行中采购任务失败: %w", sybID, err)
+	}
+	return count > 0, nil
+}
+
+// InsertPurchaseTask 插入一条已分配、等待指定客户端领取的采购任务。
+func InsertPurchaseTask(q Execer, task model.Task) error {
+	if task.TaskID == "" || task.AssignedClient == "" || task.SybID == "" ||
+		task.PddGoodsURL == "" || task.PddGoodsID == "" || task.PddOptions == "" ||
+		task.Quantity <= 0 || task.MaxPriceCent <= 0 {
+		return fmt.Errorf("采购任务缺少客户端、商品、规格、数量或人民币价格上限")
+	}
+	now := model.NowISO()
+	_, err := q.Exec(`
+		INSERT INTO tasks
+		       (task_id, task_type, status, assigned_client,
+		        syb_id, order_no, goods_id, shopee_sku_id,
+		        pdd_goods_url, pdd_goods_id, pdd_options,
+		        quantity, max_price_cent, created_at, updated_at)
+		VALUES (?, 'purchase', 'assigned', ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
+		task.TaskID, task.AssignedClient, task.SybID, task.OrderNo,
+		task.GoodsID, task.ShopeeSKUID, task.PddGoodsURL, task.PddGoodsID,
+		task.PddOptions, task.Quantity, task.MaxPriceCent, now, now)
+	if err != nil {
+		return fmt.Errorf("创建顺运宝明细 %s 的采购任务失败: %w", task.SybID, err)
+	}
+	return nil
+}