VILLASweb-backend-go/routes/widget/widget_methods.go

107 lines
2.7 KiB
Go

/** Widget package, methods.
*
* @author Sonja Happ <sonja.happ@eonerc.rwth-aachen.de>
* @copyright 2014-2019, Institute for Automation of Complex Power Systems, EONERC
* @license GNU General Public License (version 3)
*
* VILLASweb-backend-go
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************************/
package widget
import (
"git.rwth-aachen.de/acs/public/villas/web-backend-go/database"
)
type Widget struct {
database.Widget
}
func (w *Widget) save() error {
db := database.GetDB()
err := db.Create(w).Error
return err
}
func (w *Widget) ByID(id uint) error {
db := database.GetDB()
err := db.Find(w, id).Error
if err != nil {
return err
}
return nil
}
func (w *Widget) addToDashboard() error {
db := database.GetDB()
var dab database.Dashboard
err := db.Find(&dab, uint(w.DashboardID)).Error
if err != nil {
return err
}
// save widget to DB
err = w.save()
if err != nil {
return err
}
// associate widget with dashboard
err = db.Model(&dab).Association("Widgets").Append(w).Error
return err
}
func (w *Widget) update(modifiedWidget Widget) error {
db := database.GetDB()
err := db.Model(w).Updates(map[string]interface{}{
"Name": modifiedWidget.Name,
"Type": modifiedWidget.Type,
"Width": modifiedWidget.Width,
"Height": modifiedWidget.Height,
"MinWidth": modifiedWidget.MinWidth,
"MinHeight": modifiedWidget.MinHeight,
"X": modifiedWidget.X,
"Y": modifiedWidget.Y,
"Z": modifiedWidget.Z,
"IsLocked": modifiedWidget.IsLocked,
"CustomProperties": modifiedWidget.CustomProperties,
"SignalIDs": modifiedWidget.SignalIDs,
}).Error
return err
}
func (w *Widget) delete() error {
db := database.GetDB()
var dab database.Dashboard
err := db.Find(&dab, uint(w.DashboardID)).Error
if err != nil {
return err
}
// remove association between Dashboard and Widget
err = db.Model(&dab).Association("Widgets").Delete(w).Error
if err != nil {
return err
}
// Delete Widget
err = db.Delete(w).Error
return err
}