代码初始化

dao/knapsack/knapsack_dao.go

@@ -0,0 +1,137 @@
+package dao
+
+import (
+	"context"
+	"time"
+
+	"gitea.com/red-future/common/db/gfdb"
+	"github.com/gogf/gf/v2/database/gdb"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/util/gconv"
+
+	knapsackConsts "shop-user-trade/consts/knapsack"
+	"shop-user-trade/consts/public"
+	knapsackDto "shop-user-trade/model/dto/knapsack"
+	knapsackEntity "shop-user-trade/model/entity/knapsack"
+)
+
+var Knapsack = new(knapsackDao)
+
+type knapsackDao struct{}
+
+// Insert 插入背包项
+func (d *knapsackDao) Insert(ctx context.Context, req *knapsackDto.CreateKnapsackReq) (id int64, err error) {
+	var entity *knapsackEntity.Knapsack
+	if err = gconv.Struct(req, &entity); err != nil {
+		return
+	}
+	entity.Status = knapsackConsts.KnapsackStatusActive
+	r, err := gfdb.DB(ctx).Model(ctx, public.TableNameKnapsack).Data(entity).Insert()
+	if err != nil {
+		return
+	}
+	return r.LastInsertId()
+}
+
+// Update 更新背包项
+func (d *knapsackDao) Update(ctx context.Context, req *knapsackDto.UpdateKnapsackReq) (rows int64, err error) {
+	r, err := gfdb.DB(ctx).Model(ctx, public.TableNameKnapsack).
+		Data(req).
+		Where(knapsackEntity.KnapsackCol.Id, req.Id).
+		OmitEmpty().
+		Update()
+	if err != nil {
+		return
+	}
+	return r.RowsAffected()
+}
+
+// Delete 删除背包项（软删除）
+func (d *knapsackDao) Delete(ctx context.Context, req *knapsackDto.DeleteKnapsackReq) (rows int64, err error) {
+	r, err := gfdb.DB(ctx).Model(ctx, public.TableNameKnapsack).
+		Where(knapsackEntity.KnapsackCol.Id, req.Id).
+		Delete()
+	if err != nil {
+		return
+	}
+	return r.RowsAffected()
+}
+
+// GetOne 获取单个背包项
+func (d *knapsackDao) GetOne(ctx context.Context, req *knapsackDto.GetKnapsackReq) (res *knapsackEntity.Knapsack, err error) {
+	r, err := gfdb.DB(ctx).Model(ctx, public.TableNameKnapsack).
+		Where(knapsackEntity.KnapsackCol.Id, req.Id).
+		One()
+	if err != nil {
+		return
+	}
+	err = r.Struct(&res)
+	return
+}
+
+// GetByID 根据ID获取背包项
+func (d *knapsackDao) GetByID(ctx context.Context, id int64) (res *knapsackEntity.Knapsack, err error) {
+	r, err := gfdb.DB(ctx).Model(ctx, public.TableNameKnapsack).
+		Where(knapsackEntity.KnapsackCol.Id, id).
+		One()
+	if err != nil {
+		return
+	}
+	err = r.Struct(&res)
+	return
+}
+
+// Count 获取背包数量
+func (d *knapsackDao) Count(ctx context.Context, req *knapsackDto.ListKnapsackReq) (count int, err error) {
+	return d.buildListFilter(ctx, req).Count()
+}
+
+// List 获取背包列表
+func (d *knapsackDao) List(ctx context.Context, req *knapsackDto.ListKnapsackReq) (res []knapsackEntity.Knapsack, total int, err error) {
+	model := d.buildListFilter(ctx, req).OrderDesc(knapsackEntity.KnapsackCol.CreatedAt)
+	if req.Page != nil {
+		model.Page(int(req.Page.PageNum), int(req.Page.PageSize))
+	}
+	r, total, err := model.AllAndCount(false)
+	if err != nil {
+		return
+	}
+	err = r.Structs(&res)
+	return
+}
+
+// ListExpired 获取过期背包项列表
+func (d *knapsackDao) ListExpired(ctx context.Context) (res []knapsackEntity.Knapsack, err error) {
+	now := time.Now().Unix()
+	r, err := gfdb.DB(ctx).Model(ctx, public.TableNameKnapsack).
+		WhereIn(knapsackEntity.KnapsackCol.Status, []knapsackConsts.KnapsackStatus{
+			knapsackConsts.KnapsackStatusActive,
+			knapsackConsts.KnapsackStatusListed,
+		}).
+		WhereLT(knapsackEntity.KnapsackCol.ExpireAt, now).
+		WhereNotNull(knapsackEntity.KnapsackCol.ExpireAt).
+		All()
+	if err != nil {
+		return
+	}
+	err = r.Structs(&res)
+	return
+}
+
+// buildListFilter 构建列表查询过滤条件
+func (d *knapsackDao) buildListFilter(ctx context.Context, req *knapsackDto.ListKnapsackReq) *gdb.Model {
+	model := gfdb.DB(ctx).Model(ctx, public.TableNameKnapsack).OmitEmpty()
+	if !g.IsEmpty(req.UserID) {
+		model = model.Where(knapsackEntity.KnapsackCol.UserID, req.UserID)
+	}
+	if req.Status != nil {
+		model = model.Where(knapsackEntity.KnapsackCol.Status, *req.Status)
+	}
+	if !g.IsEmpty(req.Type) {
+		model = model.Where(knapsackEntity.KnapsackCol.Type, req.Type)
+	}
+	if !g.IsEmpty(req.Keyword) {
+		model = model.WhereLike(knapsackEntity.KnapsackCol.AssetName, "%"+req.Keyword+"%")
+	}
+	return model
+}