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customfiltercfg.go
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customfiltercfg.go
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package config
import "fmt"
/***************************
Custom Filter Cfg
-GetCustomFilterCfgCfgByID(struct)
-GetCustomFilterCfgMap (map - for interna config use
-GetCustomFilterCfgArray(Array - for web ui use )
-AddCustomFilterCfg
-DelCustomFilterCfg
-UpdateCustomFilterCfg
-GetCustomFilterCfgAffectOnDel
***********************************/
/*GetCustomFilterCfgByID get metric data by id*/
func (dbc *DatabaseCfg) GetCustomFilterCfgByID(id string) (CustomFilterCfg, error) {
cfgarray, err := dbc.GetCustomFilterCfgArray("id='" + id + "'")
if err != nil {
return CustomFilterCfg{}, err
}
if len(cfgarray) > 1 {
return CustomFilterCfg{}, fmt.Errorf("Error %d results on get CustomfilterCfg by id %s", len(cfgarray), id)
}
if len(cfgarray) == 0 {
return CustomFilterCfg{}, fmt.Errorf("Error no values have been returned with this id %s in the filter config table", id)
}
return *cfgarray[0], nil
}
/*GetCustomFilterCfgMap return data in map format*/
func (dbc *DatabaseCfg) GetCustomFilterCfgMap(filter string) (map[string]*CustomFilterCfg, error) {
cfgarray, err := dbc.GetCustomFilterCfgArray(filter)
cfgmap := make(map[string]*CustomFilterCfg)
for _, val := range cfgarray {
cfgmap[val.ID] = val
log.Debugf("%+v", *val)
}
return cfgmap, err
}
/*GetCustomFilterCfgArray generate an array of metrics with all its information */
func (dbc *DatabaseCfg) GetCustomFilterCfgArray(filter string) ([]*CustomFilterCfg, error) {
var err error
var filters []*CustomFilterCfg
// Get Only data for selected metrics
if len(filter) > 0 {
if err = dbc.x.Where(filter).Find(&filters); err != nil {
log.Warnf("Fail to get CustomFilterCfg data filteter with %s : %v\n", filter, err)
return nil, err
}
} else {
if err = dbc.x.Find(&filters); err != nil {
log.Warnf("Fail to get CustomFilterCfg data: %v\n", err)
return nil, err
}
}
for k, vf := range filters {
var item []*CustomFilterItems
if err = dbc.x.Where("customid = '" + vf.ID + "'").Find(&item); err != nil {
log.Warnf("Fail to get CustomFilterItems data filtered with ID %s : %v\n", vf.ID, err)
continue
}
// log.Debugf("ITEM ( %s ) %+v", vf.ID, item)
for _, vi := range item {
i := struct {
TagID string
Alias string
}{
TagID: vi.TagID,
Alias: vi.Alias,
}
filters[k].Items = append(filters[k].Items, i)
}
}
return filters, nil
}
/*AddCustomFilterCfg for adding new Metric*/
func (dbc *DatabaseCfg) AddCustomFilterCfg(dev CustomFilterCfg) (int64, error) {
var err error
var affected int64
// create CustomFilterCfg to check if any configuration issue found before persist to database.
// initialize data persistence
session := dbc.x.NewSession()
if err := session.Begin(); err != nil {
// if returned then will rollback automatically
return 0, err
}
defer session.Close()
affected, err = session.Insert(dev)
if err != nil {
session.Rollback()
return 0, err
}
// first we will remove all previous entries
affected, err = session.Where("customid='" + dev.ID + "'").Delete(&CustomFilterItems{})
if err != nil {
session.Rollback()
return 0, fmt.Errorf("Error on Addig new filter config inputs with id on add MeasurementFieldCfg with id: %s, error: %s", dev.ID, err)
}
// inserting new ones
for _, v := range dev.Items {
affected, err = session.Insert(&CustomFilterItems{CustomID: dev.ID, TagID: v.TagID, Alias: v.Alias})
if err != nil {
session.Rollback()
return 0, err
}
}
// no other relation
err = session.Commit()
if err != nil {
return 0, err
}
log.Infof("Added new CustomFilterCfg Successfully with id %s ", dev.ID)
dbc.addChanges(affected)
return affected, nil
}
/*DelCustomFilterCfg for deleting influx databases from ID*/
func (dbc *DatabaseCfg) DelCustomFilterCfg(id string) (int64, error) {
var affecteddev, affected int64
var err error
session := dbc.x.NewSession()
if err := session.Begin(); err != nil {
// if returned then will rollback automatically
return 0, err
}
defer session.Close()
// deleting references in Measurements
affecteddev, err = session.Where("filter_name='" + id + "'").Cols("filter_name").Update(&MeasFilterCfg{})
if err != nil {
session.Rollback()
return 0, fmt.Errorf("Error on Delete Custom Filter on Measurement Filter table with id: %s , error: %s", id, err)
}
affecteddev, err = session.Where("customid='" + id + "'").Delete(&CustomFilterItems{})
if err != nil {
session.Rollback()
return 0, err
}
affected, err = session.Where("id='" + id + "'").Delete(&CustomFilterCfg{})
if err != nil {
session.Rollback()
return 0, err
}
err = session.Commit()
if err != nil {
return 0, err
}
log.Infof("Deleted Successfully Custom Filter with ID %s [ %d Items Affected ]", id, affecteddev)
dbc.addChanges(affecteddev)
return affected, nil
}
/*UpdateCustomFilterCfg for adding new influxdb*/
func (dbc *DatabaseCfg) UpdateCustomFilterCfg(id string, dev CustomFilterCfg) (int64, error) {
var err error
var affected, affecteddev int64
// create CustomFilterCfg to check if any configuration issue found before persist to database.
// initialize data persistence
session := dbc.x.NewSession()
if err := session.Begin(); err != nil {
// if returned then will rollback automatically
return 0, err
}
defer session.Close()
if id != dev.ID { // ID has been changed so we need to update Related MeasurementCfg
affecteddev, err = session.Where("filter_name='" + id + "'").Cols("filter_name").Update(&MeasFilterCfg{FilterName: dev.ID})
if err != nil {
session.Rollback()
return 0, fmt.Errorf("Error on Update Custom Filter on update id(old) %s with (new): %s, error: %s", id, dev.ID, err)
}
}
// first we will remove all previous entries
affected, err = session.Where("customid='" + dev.ID + "'").Delete(&CustomFilterItems{})
if err != nil {
session.Rollback()
return 0, fmt.Errorf("Error on Addig new filter config inputs with id on add MeasurementFieldCfg with id: %s, error: %s", dev.ID, err)
}
// inserting new ones
for _, v := range dev.Items {
affected, err = session.Insert(&CustomFilterItems{CustomID: dev.ID, TagID: v.TagID, Alias: v.Alias})
if err != nil {
session.Rollback()
return 0, err
}
}
affected, err = session.Where("id='" + id + "'").UseBool().AllCols().Update(dev)
if err != nil {
session.Rollback()
return 0, err
}
// no other relation
err = session.Commit()
if err != nil {
return 0, err
}
log.Infof("Updated new CustomFilterCfg Successfully with id %s [ %d id changed]", dev.ID, affecteddev)
dbc.addChanges(affected)
return affected, nil
}
/*GetCustomFilterCfgAffectOnDel for deleting devices from ID*/
func (dbc *DatabaseCfg) GetCustomFilterCfgAffectOnDel(id string) ([]*DbObjAction, error) {
var filters []*MeasFilterCfg
var obj []*DbObjAction
if err := dbc.x.Where("filter_name='" + id + "'").Find(&filters); err != nil {
log.Warnf("Error on Get CustomID id %s for Measurement Filters , error: %s", id, err)
return nil, err
}
for _, val := range filters {
obj = append(obj, &DbObjAction{
Type: "measfiltercfg",
TypeDesc: "Meas. Filters",
ObID: val.ID,
Action: "Change Measurement filter to other custom or delete them",
})
}
return obj, nil
}