func SaveDashboard(cmd *m.SaveDashboardCommand) error {
return inTransaction(func(sess *xorm.Session) error {
dash := cmd.GetDashboardModel()
// try get existing dashboard
var existing, sameTitle m.Dashboard
if dash.Id > 0 {
dashWithIdExists, err := sess.Where("id=? AND org_id=?", dash.Id, dash.OrgId).Get(&existing)
if err != nil {
return err
}
if !dashWithIdExists {
return m.ErrDashboardNotFound
}
// check for is someone else has written in between
if dash.Version != existing.Version {
if cmd.Overwrite {
dash.Version = existing.Version
} else {
return m.ErrDashboardVersionMismatch
}
}
}
sameTitleExists, err := sess.Where("org_id=? AND slug=?", dash.OrgId, dash.Slug).Get(&sameTitle)
if err != nil {
return err
}
if sameTitleExists {
// another dashboard with same name
if dash.Id != sameTitle.Id {
if cmd.Overwrite {
dash.Id = sameTitle.Id
} else {
return m.ErrDashboardWithSameNameExists
}
}
}
affectedRows := int64(0)
if dash.Id == 0 {
metrics.M_Models_Dashboard_Insert.Inc(1)
affectedRows, err = sess.Insert(dash)
} else {
dash.Version += 1
dash.Data.Set("version", dash.Version)
affectedRows, err = sess.Id(dash.Id).Update(dash)
}
if affectedRows == 0 {
return m.ErrDashboardNotFound
}
// delete existing tabs
_, err = sess.Exec("DELETE FROM dashboard_tag WHERE dashboard_id=?", dash.Id)
if err != nil {
return err
}
// insert new tags
tags := dash.GetTags()
if len(tags) > 0 {
for _, tag := range tags {
if _, err := sess.Insert(&DashboardTag{DashboardId: dash.Id, Term: tag}); err != nil {
return err
}
}
}
cmd.Result = dash
return err
})
}
