更新
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@@ -0,0 +1,534 @@
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package controllers
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import (
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"fmt"
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"math"
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"strings"
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"time"
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"server/models"
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erp "server/services/erp"
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"github.com/beego/beego/v2/client/orm"
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)
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// BackendErpProductController 商品档案 + 商品分类（进销存基础数据）
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type BackendErpProductController struct {
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BackendErpBaseController
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}
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type erpProductPayload struct {
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ProductCode string `json:"product_code"`
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ProductName string `json:"product_name"`
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CategoryID uint64 `json:"category_id"`
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Brand string `json:"brand"`
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Spec string `json:"spec"`
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Model string `json:"model"`
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BaseUnit string `json:"base_unit"`
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AuxUnit string `json:"aux_unit"`
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AuxRatio float64 `json:"aux_ratio"`
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Barcode string `json:"barcode"`
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ExtraBarcodes string `json:"extra_barcodes"`
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PurchasePrice float64 `json:"purchase_price"`
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SalePrice float64 `json:"sale_price"`
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WholesalePrice float64 `json:"wholesale_price"`
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MemberPrice float64 `json:"member_price"`
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MinPrice float64 `json:"min_price"`
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TaxRate float64 `json:"tax_rate"`
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SafetyQty float64 `json:"safety_qty"`
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MaxQty float64 `json:"max_qty"`
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ShelfLifeDays int `json:"shelf_life_days"`
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EnableBatch int8 `json:"enable_batch"`
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ImageURL string `json:"image_url"`
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Status *int8 `json:"status"`
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IsDraft int8 `json:"is_draft"`
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Remark string `json:"remark"`
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}
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// List GET /backend/erp/product/list
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func (c *BackendErpProductController) List() {
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cl, err := c.claims()
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if c.denied(err) {
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return
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}
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page, pageSize := c.pageArgs()
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f := erpProductFilter{
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Keyword: c.GetString("keyword"),
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CategoryID: erpUintParam(c.GetString("category_id")),
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Brand: c.GetString("brand"),
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Status: c.GetString("status"),
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IsDraft: c.GetString("is_draft"),
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OnlyEnabled: strings.TrimSpace(c.GetString("only_enabled")) == "1",
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}
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list, total, code, msg := erpProductListCore(erpNewActor(cl), f, page, pageSize)
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if msg != "" {
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c.fail(code, code, msg)
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return
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}
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c.listOK(list, total, page, pageSize)
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}
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// Detail GET /backend/erp/product/:id
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func (c *BackendErpProductController) Detail() {
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cl, err := c.claims()
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if c.denied(err) {
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return
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}
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p, code, msg := erpProductDetailCore(erpNewActor(cl), c.pathID())
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if msg != "" {
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c.fail(code, code, msg)
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return
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}
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c.ok(p)
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}
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// Create POST /backend/erp/product
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func (c *BackendErpProductController) Create() {
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cl, err := c.claims()
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if c.denied(err) {
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return
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}
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var p erpProductPayload
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if !c.bindJSON(&p) {
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return
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}
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if strings.TrimSpace(p.ProductName) == "" {
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c.fail(400, 400, "商品名称不能为空")
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return
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}
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if strings.TrimSpace(p.BaseUnit) == "" {
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c.fail(400, 400, "基本单位不能为空")
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return
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}
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tid := c.tid(cl)
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if p.Status == nil {
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enabled := int8(1)
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p.Status = &enabled
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}
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code := strings.TrimSpace(p.ProductCode)
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if code == "" {
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code = erp.GenerateProductCode(tid)
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}
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if erpProductCodeExists(tid, code, 0) {
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c.fail(400, 400, "商品编码已存在: "+code)
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return
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}
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p.ProductCode = code
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row := erpApplyProduct(&models.ErpProduct{TenantID: tid, CreateUserID: fmt.Sprintf("%d", cl.UserID)}, &p)
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row.CreateTime = time.Now()
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row.UpdateTime = time.Now()
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id, err := models.Orm.Insert(&row)
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if err != nil {
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c.fail(500, 500, "创建失败: "+err.Error())
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return
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}
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c.ok(map[string]interface{}{"id": id, "product_code": row.ProductCode})
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}
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// Update PUT /backend/erp/product/:id
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func (c *BackendErpProductController) Update() {
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cl, err := c.claims()
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if c.denied(err) {
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return
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}
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id := c.pathID()
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if id == 0 {
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c.fail(400, 400, "无效的ID")
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return
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}
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var p erpProductPayload
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if !c.bindJSON(&p) {
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return
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}
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tid := c.tid(cl)
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var row models.ErpProduct
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if err := models.Orm.QueryTable(new(models.ErpProduct)).
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Filter("id", id).Filter("tenant_id", tid).
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Filter("delete_time__isnull", true).One(&row); err != nil {
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c.fail(404, 404, "商品未找到")
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return
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}
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code := strings.TrimSpace(p.ProductCode)
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if code == "" {
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code = row.ProductCode
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}
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if erpProductCodeExists(tid, code, id) {
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c.fail(400, 400, "商品编码已存在: "+code)
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return
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}
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updated := erpApplyProduct(&row, &p)
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updated.ID = row.ID
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updated.TenantID = tid
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updated.CreateTime = row.CreateTime
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updated.UpdateTime = time.Now()
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if _, err := models.Orm.Update(&updated); err != nil {
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c.fail(500, 500, "更新失败: "+err.Error())
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return
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}
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c.ok(nil)
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}
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// Delete DELETE /backend/erp/product/:id
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// 软删除；已有库存或已开过单的商品不允许删除，避免历史数据失去指向。
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func (c *BackendErpProductController) Delete() {
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cl, err := c.claims()
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if c.denied(err) {
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return
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}
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id := c.pathID()
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if id == 0 {
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c.fail(400, 400, "无效的ID")
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return
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}
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tid := c.tid(cl)
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var row models.ErpProduct
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if err := models.Orm.QueryTable(new(models.ErpProduct)).
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Filter("id", id).Filter("tenant_id", tid).
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Filter("delete_time__isnull", true).One(&row); err != nil {
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c.fail(404, 404, "商品未找到")
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return
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}
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if qty := erpProductTotalQty(tid, id); qty > 0.000001 {
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c.fail(400, 400, "该商品仍有库存，不能删除")
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return
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}
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var used int64
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if n, err := models.Orm.QueryTable(new(models.ErpDocumentItem)).
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Filter("tenant_id", tid).Filter("product_id", id).Count(); err == nil {
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used = n
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}
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if used > 0 {
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c.fail(400, 400, "该商品已存在业务单据中，请停用而不是删除")
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return
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}
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now := time.Now()
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_, err = models.Orm.QueryTable(new(models.ErpProduct)).Filter("id", id).
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Update(orm.Params{"delete_time": now, "update_time": now})
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if err != nil {
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c.fail(500, 500, "删除失败: "+err.Error())
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return
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}
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c.ok(nil)
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}
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// ToggleStatus POST /backend/erp/product/:id/status
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func (c *BackendErpProductController) ToggleStatus() {
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cl, err := c.claims()
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if c.denied(err) {
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return
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}
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id := c.pathID()
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if id == 0 {
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c.fail(400, 400, "无效的ID")
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return
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}
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var p struct {
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Status int8 `json:"status"`
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}
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if !c.bindJSON(&p) {
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return
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}
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_, err = models.Orm.QueryTable(new(models.ErpProduct)).
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Filter("id", id).Filter("tenant_id", c.tid(cl)).
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Update(orm.Params{"status": p.Status, "is_draft": 0, "update_time": time.Now()})
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if err != nil {
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c.fail(500, 500, "操作失败: "+err.Error())
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return
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}
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c.ok(nil)
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}
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// ---- 分类 ----
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// CategoryList GET /backend/erp/product/category/list
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func (c *BackendErpProductController) CategoryList() {
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cl, err := c.claims()
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if c.denied(err) {
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return
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}
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rows, tree, code, msg := erpCategoryListCore(erpNewActor(cl))
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if msg != "" {
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c.fail(code, code, msg)
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return
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}
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c.ok(map[string]interface{}{"list": rows, "tree": tree})
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}
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// CategorySave POST /backend/erp/product/category 新建传 id=0，修改传原 id
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func (c *BackendErpProductController) CategorySave() {
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cl, err := c.claims()
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if c.denied(err) {
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return
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}
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tid := c.tid(cl)
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var p struct {
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ID uint64 `json:"id"`
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CategoryName string `json:"category_name"`
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ParentID uint64 `json:"parent_id"`
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SortOrder int `json:"sort_order"`
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Status int8 `json:"status"`
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Remark string `json:"remark"`
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}
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if !c.bindJSON(&p) {
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return
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}
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if strings.TrimSpace(p.CategoryName) == "" {
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c.fail(400, 400, "分类名称不能为空")
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return
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}
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if p.ID == 0 {
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p.Status = 1
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}
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now := time.Now()
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id := p.ID
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if p.ID > 0 {
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if p.ParentID == p.ID {
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c.fail(400, 400, "上级分类不能是自己")
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return
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}
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if erpCategoryIsDescendant(tid, p.ParentID, p.ID) {
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c.fail(400, 400, "上级分类不能是自己的子分类")
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return
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}
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_, err = models.Orm.QueryTable(new(models.ErpProductCategory)).
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Filter("id", p.ID).Filter("tenant_id", tid).
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Update(orm.Params{
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"category_name": strings.TrimSpace(p.CategoryName), "parent_id": p.ParentID,
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"sort_order": p.SortOrder, "status": p.Status, "remark": p.Remark, "update_time": now,
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})
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} else {
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row := models.ErpProductCategory{
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TenantID: tid, CategoryName: strings.TrimSpace(p.CategoryName),
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ParentID: p.ParentID, SortOrder: p.SortOrder, Status: p.Status, Remark: p.Remark,
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CreateTime: now, UpdateTime: now,
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}
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newID, e := models.Orm.Insert(&row)
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if e != nil {
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c.fail(500, 500, "保存失败: "+e.Error())
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return
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}
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id = uint64(newID)
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}
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if err != nil {
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c.fail(500, 500, "保存失败: "+err.Error())
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return
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}
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c.ok(map[string]interface{}{"id": id})
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}
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// CategoryDelete DELETE /backend/erp/product/category/:id
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func (c *BackendErpProductController) CategoryDelete() {
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cl, err := c.claims()
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if c.denied(err) {
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return
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}
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id := c.pathID()
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if id == 0 {
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c.fail(400, 400, "无效的ID")
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return
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}
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tid := c.tid(cl)
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var kids int64
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if n, err := models.Orm.QueryTable(new(models.ErpProductCategory)).
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Filter("tenant_id", tid).Filter("parent_id", id).
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Filter("delete_time__isnull", true).Count(); err == nil {
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kids = n
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}
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if kids > 0 {
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c.fail(400, 400, "请先删除子分类")
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return
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}
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var used int64
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if n, err := models.Orm.QueryTable(new(models.ErpProduct)).
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Filter("tenant_id", tid).Filter("category_id", id).
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Filter("delete_time__isnull", true).Count(); err == nil {
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used = n
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}
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if used > 0 {
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c.fail(400, 400, "该分类下还有商品，不能删除")
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return
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}
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now := time.Now()
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if _, err := models.Orm.QueryTable(new(models.ErpProductCategory)).Filter("id", id).
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Update(orm.Params{"delete_time": now, "update_time": now}); err != nil {
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c.fail(500, 500, "删除失败: "+err.Error())
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return
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}
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c.ok(nil)
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}
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// ---- 内部工具 ----
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func erpApplyProduct(row *models.ErpProduct, p *erpProductPayload) models.ErpProduct {
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out := *row
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out.ProductCode = strings.TrimSpace(p.ProductCode)
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out.ProductName = strings.TrimSpace(p.ProductName)
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out.CategoryID = p.CategoryID
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out.Brand = strings.TrimSpace(p.Brand)
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out.Spec = strings.TrimSpace(p.Spec)
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out.Model = strings.TrimSpace(p.Model)
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out.BaseUnit = strings.TrimSpace(p.BaseUnit)
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out.AuxUnit = strings.TrimSpace(p.AuxUnit)
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out.AuxRatio = p.AuxRatio
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out.Barcode = strings.TrimSpace(p.Barcode)
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out.ExtraBarcodes = strings.TrimSpace(p.ExtraBarcodes)
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out.PurchasePrice = p.PurchasePrice
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out.SalePrice = p.SalePrice
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out.WholesalePrice = p.WholesalePrice
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out.MemberPrice = p.MemberPrice
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out.MinPrice = p.MinPrice
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out.TaxRate = p.TaxRate
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out.SafetyQty = p.SafetyQty
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out.MaxQty = p.MaxQty
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out.ShelfLifeDays = p.ShelfLifeDays
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out.EnableBatch = p.EnableBatch
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out.ImageURL = strings.TrimSpace(p.ImageURL)
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if p.Status != nil {
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out.Status = *p.Status
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}
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out.IsDraft = p.IsDraft
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out.Remark = p.Remark
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if out.AuxRatio <= 0 {
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out.AuxRatio = 1
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}
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return out
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}
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func erpProductCodeExists(tid, code string, excludeID uint64) bool {
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qs := models.Orm.QueryTable(new(models.ErpProduct)).
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Filter("tenant_id", tid).Filter("product_code", code).
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Filter("delete_time__isnull", true)
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if excludeID > 0 {
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qs = qs.Exclude("id", excludeID)
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}
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n, _ := qs.Count()
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return n > 0
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}
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func erpProductTotalQty(tid string, productID uint64) float64 {
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var rows []models.ErpStock
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_, _ = models.Orm.QueryTable(new(models.ErpStock)).
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Filter("tenant_id", tid).Filter("product_id", productID).
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All(&rows, "quantity")
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var sum float64
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for _, r := range rows {
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sum += r.Quantity
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}
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return sum
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}
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type erpStockAggRow struct {
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qty float64
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cost float64
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value float64
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}
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func erpStockAggregate(tid string, productIDs []uint64) map[uint64]erpStockAggRow {
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out := map[uint64]erpStockAggRow{}
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if len(productIDs) == 0 {
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return out
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}
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var rows []models.ErpStock
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_, _ = models.Orm.QueryTable(new(models.ErpStock)).
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Filter("tenant_id", tid).Filter("product_id__in", productIDs).
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All(&rows, "product_id", "quantity", "cost_price")
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for _, r := range rows {
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v := out[r.ProductID]
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v.qty += r.Quantity
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v.value += r.Quantity * r.CostPrice
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out[r.ProductID] = v
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}
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return out
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}
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func erpProductStocks(tid string, productID uint64) []map[string]interface{} {
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var rows []models.ErpStock
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_, _ = models.Orm.QueryTable(new(models.ErpStock)).
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Filter("tenant_id", tid).Filter("product_id", productID).
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OrderBy("warehouse_id", "batch_no").All(&rows)
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names := erpWarehouseNameMap(tid)
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out := make([]map[string]interface{}, 0, len(rows))
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for _, r := range rows {
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out = append(out, map[string]interface{}{
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"warehouse_id": r.WarehouseID, "warehouse_name": names[r.WarehouseID],
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"batch_no": r.BatchNo, "quantity": r.Quantity, "cost_price": r.CostPrice,
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"amount": round2f(r.Quantity * r.CostPrice),
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})
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}
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return out
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}
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|
||||
// erpSafetyState low-低于安全库存 / over-超过最高库存 / normal
|
||||
func erpSafetyState(safety, qty, max float64) string {
|
||||
if safety > 0 && qty < safety {
|
||||
return "low"
|
||||
}
|
||||
if max > 0 && qty > max {
|
||||
return "over"
|
||||
}
|
||||
return "normal"
|
||||
}
|
||||
|
||||
func erpCategoryMap(tid string) map[uint64]string {
|
||||
var rows []models.ErpProductCategory
|
||||
_, _ = models.Orm.QueryTable(new(models.ErpProductCategory)).
|
||||
Filter("tenant_id", tid).All(&rows, "id", "category_name")
|
||||
m := make(map[uint64]string, len(rows))
|
||||
for _, r := range rows {
|
||||
m[r.ID] = r.CategoryName
|
||||
}
|
||||
return m
|
||||
}
|
||||
|
||||
func erpCategoryTree(rows []map[string]interface{}, parent uint64) []map[string]interface{} {
|
||||
out := make([]map[string]interface{}, 0)
|
||||
for _, r := range rows {
|
||||
pv, _ := r["parent_id"].(uint64)
|
||||
if pv != parent {
|
||||
continue
|
||||
}
|
||||
node := map[string]interface{}{}
|
||||
for k, v := range r {
|
||||
node[k] = v
|
||||
}
|
||||
node["children"] = erpCategoryTree(rows, node["id"].(uint64))
|
||||
out = append(out, node)
|
||||
}
|
||||
return out
|
||||
}
|
||||
|
||||
func erpCategoryIsDescendant(tid string, nodeID, ancestor uint64) bool {
|
||||
if nodeID == 0 {
|
||||
return false
|
||||
}
|
||||
seen := map[uint64]bool{}
|
||||
cur := nodeID
|
||||
for cur != 0 && !seen[cur] {
|
||||
seen[cur] = true
|
||||
if cur == ancestor {
|
||||
return true
|
||||
}
|
||||
var row models.ErpProductCategory
|
||||
if err := models.Orm.QueryTable(new(models.ErpProductCategory)).
|
||||
Filter("tenant_id", tid).Filter("id", cur).One(&row, "parent_id"); err != nil {
|
||||
return false
|
||||
}
|
||||
cur = row.ParentID
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func erpWarehouseNameMap(tid string) map[uint64]string {
|
||||
var rows []models.ErpWarehouse
|
||||
_, _ = models.Orm.QueryTable(new(models.ErpWarehouse)).
|
||||
Filter("tenant_id", tid).All(&rows, "id", "warehouse_name")
|
||||
m := make(map[uint64]string, len(rows))
|
||||
for _, r := range rows {
|
||||
m[r.ID] = r.WarehouseName
|
||||
}
|
||||
return m
|
||||
}
|
||||
|
||||
func round2f(v float64) float64 {
|
||||
return math.Round(v*100) / 100
|
||||
}
|
||||
Reference in new issue
Block a user