refactor: reorganize modules and add Linux build tooling

module/social/relation/internal/logic/follow/fetch.go

@@ -0,0 +1,66 @@
+package follow
+
+import (
+	"context"
+	"strings"
+
+	"git.apinb.com/bsm-sdk/core/errcode"
+	"git.apinb.com/bsm-sdk/core/printer"
+	"git.apinb.com/bsm-sdk/core/service"
+	"bsm/full/module/social/relation/internal/impl"
+	common "bsm/full/module/social/relation/internal/logic/common"
+	"bsm/full/module/social/relation/internal/models"
+	pb "bsm/full/module/social/relation/pb"
+)
+
+// 获取关注列表
+func Fetch(ctx context.Context, in *pb.FetchRequest) (reply *pb.FetchRelationItemReply, err error) {
+	auth, err := service.ParseMetaCtx(ctx, nil)
+	if err != nil {
+		return nil, err
+	}
+	var (
+		total  int64
+		column string
+		ids    []uint
+		model  = impl.DBService.Model(&models.RelationFollow{})
+		cards  []*pb.RelationItem
+	)
+
+	switch strings.ToUpper(in.Params["direction"]) {
+	case "MY": // 我关注的
+		column = "to_identity"
+		model.Where("from_identity=?", auth.Identity)
+	case "WHO": // 关注我的
+		column = "from_identity"
+		model.Where("to_identity=?", auth.Identity)
+	default:
+		return &pb.FetchRelationItemReply{}, nil
+	}
+
+	//处理分页
+	if in.PageNo <= 1 {
+		in.PageNo = 1
+	}
+	if in.PageSize <= 1 {
+		in.PageSize = 20
+	}
+
+	err = model.Count(&total).Order("id desc").Offset(int(in.PageNo-1)*int(in.PageSize)).Limit(int(in.PageSize)).Pluck(column, &ids).Error
+	if err != nil {
+		printer.Error(err.Error())
+		return nil, errcode.ErrDB
+	}
+
+	//根据ids取得用户信息卡片
+	cards, err = common.GetrelationInfoDetailCardById(ids)
+	if err != nil {
+		printer.Error(err.Error())
+		return nil, errcode.ErrDB
+	}
+
+	return &pb.FetchRelationItemReply{
+		Total: total,
+		Data:  cards,
+	}, nil
+}