refactor: reorganize modules and add Linux build tooling

module/ec/mall/internal/logic/ads/by_pos.go

@@ -0,0 +1,29 @@
+package ads
+
+import (
+	"context"
+
+	"bsm/full/module/ec/mall/internal/impl"
+	"bsm/full/module/ec/mall/internal/models"
+	pb "bsm/full/module/ec/mall/pb"
+	"git.apinb.com/bsm-sdk/core/errcode"
+)
+
+// 通过广告位获取广告信息
+func ByPos(ctx context.Context, in *pb.ByPosRequest) (reply *pb.AdsListReply, err error) {
+	if in.GetStoreIdentity() == "" {
+		return nil, errcode.ErrInvalidArgument
+	}
+
+	result := make([]*pb.AdsItem, 0)
+
+	err = impl.DBService.Model(&models.MallAds{}).Where("store_identity=? and pos_key in ?", in.StoreIdentity, in.PosKey).Find(&result).Error
+	if err != nil {
+		return nil, errcode.ErrDB
+	}
+
+	return &pb.AdsListReply{
+		Data:  result,
+		Count: int64(len(result)),
+	}, nil
+}