书籍列表接口新增参数

internal/logic/system/system.go

@@ -0,0 +1,50 @@
+package system
+
+import (
+	"context"
+	"encoding/json"
+	"github.com/gogf/gf/v2/frame/g"
+	"server/internal/dao"
+	"server/internal/model"
+	"server/internal/service"
+)
+
+type sSystem struct {
+}
+
+func init() {
+	service.RegisterSystem(New())
+}
+func New() service.ISystem {
+	return &sSystem{}
+}
+func (*sSystem) Unique(ctx context.Context, in *model.SystemUniqueInput) (*model.SystemOutput, error) {
+	orm := dao.System.Ctx(ctx)
+	if in.Key != "" {
+		orm = orm.Where("`key`=?", in.Key)
+	}
+	if in.Lock {
+		orm = orm.LockUpdate()
+	}
+	out := (*model.SystemOutput)(nil)
+	err := orm.Scan(&out)
+	return out, err
+}
+func (s *sSystem) Version(ctx context.Context) (*model.SystemVersionOutput, error) {
+	system, err := s.Unique(ctx, &model.SystemUniqueInput{
+		Key: "version",
+	})
+	if err != nil {
+		return nil, err
+	}
+	var out *model.SystemVersionOutput
+	err = json.Unmarshal([]byte(system.Value), &out)
+	return out, err
+}
+
+func (s *sSystem) Save(ctx context.Context, in *model.SystemSaveInput) (err error) {
+	_, err = dao.System.Ctx(ctx).Update(g.Map{
+		"value": in.Value,
+	}, g.Map{"key": in.Key})
+	return
+}