Dashboards: Split GetDashboardVersions method (#49967)

* Split GetDashboarVersions method

* Add sqlstore dialect and tests

* Fix signature of PAtchPreference

* Add GetDialect to sqlstore and remove GetDashboardVersions

* Add GetDialect to db interface

* Implement List

* add deleted test function

* Remove GetDialect from sqlstore interface

* Remove deleted method from mock

* Refactor test

pkg/services/dashboardversion/model.go

@@ -9,7 +9,7 @@ import (
 
 var (
 	ErrDashboardVersionNotFound = errors.New("dashboard version not found")
-	ErrNoVersionsForDashboardId = errors.New("no dashboard versions found for the given DashboardId")
+	ErrNoVersionsForDashboardID = errors.New("no dashboard versions found for the given DashboardId")
 )
 
 type DashboardVersion struct {
@@ -35,3 +35,23 @@ type GetDashboardVersionQuery struct {
 type DeleteExpiredVersionsCommand struct {
 	DeletedRows int64
 }
+
+type ListDashboardVersionsQuery struct {
+	DashboardID  int64
+	DashboardUID string
+	OrgID        int64
+	Limit        int
+	Start        int
+}
+
+type DashboardVersionDTO struct {
+	ID            int64     `json:"id"`
+	DashboardID   int64     `json:"dashboardId"`
+	DashboardUID  string    `json:"dashboardUid"`
+	ParentVersion int       `json:"parentVersion"`
+	RestoredFrom  int       `json:"restoredFrom"`
+	Version       int       `json:"version"`
+	Created       time.Time `json:"created"`
+	CreatedBy     string    `json:"createdBy"`
+	Message       string    `json:"message"`
+}