Files
jiu/backend/internal/handler/inventory.go
T
wangjia 0e42f0e417 init: 后端框架脚手架 (Go + Gin + GORM + MySQL)
- 项目目录结构:backend/ deploy/ schema/ migrations/
- 数据库 Schema:所有建表 SQL,含 hotel_id 多租户隔离
- Go 后端:config、model、handler、service、middleware、router
- 认证:账号密码登录 + JWT(Access + Refresh Token)
- 许可证:HMAC-SHA256 激活码生成 + 设备绑定验证
- 业务模块:商品、仓库、往来单位、入库、出库、库存、盘点
- 库存事务:入库/出库审核时原子更新库存 + 流水记录
- 数据导入:Excel/CSV 批量导入商品、往来单位
- Docker Compose:本地 MySQL + Adminer

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-04 01:24:53 +08:00

117 lines
3.2 KiB
Go

package handler
import (
"net/http"
"strconv"
"github.com/gin-gonic/gin"
"gorm.io/gorm"
"github.com/wangjia/jiu/backend/internal/middleware"
"github.com/wangjia/jiu/backend/internal/model"
)
type InventoryHandler struct {
db *gorm.DB
}
func NewInventoryHandler(db *gorm.DB) *InventoryHandler {
return &InventoryHandler{db: db}
}
// List GET /api/v1/inventory
func (h *InventoryHandler) List(c *gin.Context) {
hotelID := middleware.GetHotelID(c)
page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
pageSize, _ := strconv.Atoi(c.DefaultQuery("page_size", "20"))
query := h.db.Model(&model.Inventory{}).Where("hotel_id = ?", hotelID)
if warehouseID := c.Query("warehouse_id"); warehouseID != "" {
query = query.Where("warehouse_id = ?", warehouseID)
}
if productID := c.Query("product_id"); productID != "" {
query = query.Where("product_id = ?", productID)
}
// 仅显示有库存
if c.Query("in_stock") == "1" {
query = query.Where("quantity > 0")
}
var total int64
query.Count(&total)
var inventory []model.Inventory
query.Preload("Product").Preload("Warehouse").
Offset((page - 1) * pageSize).Limit(pageSize).
Find(&inventory)
c.JSON(http.StatusOK, gin.H{"data": inventory, "total": total, "page": page, "page_size": pageSize})
}
// Logs GET /api/v1/inventory/logs
func (h *InventoryHandler) Logs(c *gin.Context) {
hotelID := middleware.GetHotelID(c)
page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
pageSize, _ := strconv.Atoi(c.DefaultQuery("page_size", "20"))
query := h.db.Model(&model.InventoryLog{}).Where("hotel_id = ?", hotelID)
if productID := c.Query("product_id"); productID != "" {
query = query.Where("product_id = ?", productID)
}
var total int64
query.Count(&total)
var logs []model.InventoryLog
query.Offset((page - 1) * pageSize).Limit(pageSize).Order("id DESC").Find(&logs)
c.JSON(http.StatusOK, gin.H{"data": logs, "total": total, "page": page, "page_size": pageSize})
}
// CreateCheck POST /api/v1/inventory/checks
func (h *InventoryHandler) CreateCheck(c *gin.Context) {
hotelID := middleware.GetHotelID(c)
operatorID := middleware.GetUserID(c)
var req model.InventoryCheck
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
req.HotelID = hotelID
req.OperatorID = operatorID
req.Status = "draft"
// 自动填入系统库存数量
for i := range req.Items {
req.Items[i].HotelID = hotelID
var inv model.Inventory
if err := h.db.Where("hotel_id = ? AND warehouse_id = ? AND product_id = ?",
hotelID, req.WarehouseID, req.Items[i].ProductID).First(&inv).Error; err == nil {
req.Items[i].SystemQty = inv.Quantity
}
}
if err := h.db.Create(&req).Error; err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
return
}
c.JSON(http.StatusCreated, gin.H{"data": req})
}
// GetCheck GET /api/v1/inventory/checks/:id
func (h *InventoryHandler) GetCheck(c *gin.Context) {
hotelID := middleware.GetHotelID(c)
var check model.InventoryCheck
if err := h.db.Preload("Items.Product").
Where("id = ? AND hotel_id = ?", c.Param("id"), hotelID).
First(&check).Error; err != nil {
c.JSON(http.StatusNotFound, gin.H{"error": "not found"})
return
}
c.JSON(http.StatusOK, gin.H{"data": check})
}