cgrates/engine/storage_csv.go

/*
Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
Copyright (C) ITsysCOM GmbH

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
(at your option) 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 engine

import (
	"encoding/csv"
	"io"
	"log"
	"os"
	"strings"

	"github.com/cgrates/cgrates/utils"
)

type CSVStorage struct {
	sep        rune
	readerFunc func(string, rune, int) (*csv.Reader, *os.File, error)
	// file names
	destinationsFn, ratesFn, destinationratesFn, timingsFn, destinationratetimingsFn, ratingprofilesFn,
	sharedgroupsFn, actionsFn, actiontimingsFn, actiontriggersFn, accountactionsFn, derivedChargersFn,
	usersFn, aliasesFn, resProfilesFn, statsFn, thresholdsFn, filterFn, suppProfilesFn, attributeProfilesFn, chargerProfilesFn string
}

func NewFileCSVStorage(sep rune,
	destinationsFn, timingsFn, ratesFn, destinationratesFn, destinationratetimingsFn, ratingprofilesFn, sharedgroupsFn,
	actionsFn, actiontimingsFn, actiontriggersFn, accountactionsFn, derivedChargersFn, usersFn, aliasesFn,
	resProfilesFn, statsFn, thresholdsFn, filterFn, suppProfilesFn, attributeProfilesFn, chargerProfilesFn string) *CSVStorage {
	c := new(CSVStorage)
	c.sep = sep
	c.readerFunc = openFileCSVStorage
	c.destinationsFn, c.timingsFn, c.ratesFn, c.destinationratesFn, c.destinationratetimingsFn, c.ratingprofilesFn,
		c.sharedgroupsFn, c.actionsFn, c.actiontimingsFn, c.actiontriggersFn, c.accountactionsFn,
		c.derivedChargersFn, c.usersFn, c.aliasesFn, c.resProfilesFn, c.statsFn, c.thresholdsFn,
		c.filterFn, c.suppProfilesFn, c.attributeProfilesFn, c.chargerProfilesFn = destinationsFn, timingsFn,
		ratesFn, destinationratesFn, destinationratetimingsFn, ratingprofilesFn, sharedgroupsFn,
		actionsFn, actiontimingsFn, actiontriggersFn, accountactionsFn, derivedChargersFn,
		usersFn, aliasesFn, resProfilesFn, statsFn, thresholdsFn, filterFn, suppProfilesFn, attributeProfilesFn, chargerProfilesFn
	return c
}

func NewStringCSVStorage(sep rune,
	destinationsFn, timingsFn, ratesFn, destinationratesFn, destinationratetimingsFn, ratingprofilesFn, sharedgroupsFn,
	actionsFn, actiontimingsFn, actiontriggersFn, accountactionsFn, derivedChargersFn, usersFn,
	aliasesFn, resProfilesFn, statsFn, thresholdsFn, filterFn, suppProfilesFn, attributeProfilesFn, chargerProfilesFn string) *CSVStorage {
	c := NewFileCSVStorage(sep, destinationsFn, timingsFn, ratesFn, destinationratesFn, destinationratetimingsFn,
		ratingprofilesFn, sharedgroupsFn, actionsFn, actiontimingsFn, actiontriggersFn,
		accountactionsFn, derivedChargersFn, usersFn, aliasesFn, resProfilesFn,
		statsFn, thresholdsFn, filterFn, suppProfilesFn, attributeProfilesFn, chargerProfilesFn)
	c.readerFunc = openStringCSVStorage
	return c
}

func openFileCSVStorage(fn string, comma rune, nrFields int) (csvReader *csv.Reader, fp *os.File, err error) {
	fp, err = os.Open(fn)
	if err != nil {
		return
	}
	csvReader = csv.NewReader(fp)
	csvReader.Comma = comma
	csvReader.Comment = utils.COMMENT_CHAR
	csvReader.FieldsPerRecord = nrFields
	csvReader.TrailingComma = true
	return
}

func openStringCSVStorage(data string, comma rune, nrFields int) (csvReader *csv.Reader, fp *os.File, err error) {
	csvReader = csv.NewReader(strings.NewReader(data))
	csvReader.Comma = comma
	csvReader.Comment = utils.COMMENT_CHAR
	csvReader.FieldsPerRecord = nrFields
	csvReader.TrailingComma = true
	return
}

func (csvs *CSVStorage) GetTPTimings(tpid, id string) ([]*utils.ApierTPTiming, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.timingsFn, csvs.sep, getColumnCount(TpTiming{}))
	if err != nil {
		//log.Print("Could not load timings file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpTimings TpTimings
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.timingsFn, err.Error())
			return nil, err
		}
		if tpTiming, err := csvLoad(TpTiming{}, record); err != nil {
			log.Print("error loading timing: ", err)
			return nil, err
		} else {
			tm := tpTiming.(TpTiming)
			tm.Tpid = tpid
			tpTimings = append(tpTimings, tm)
		}
	}
	return tpTimings.AsTPTimings(), nil
}

func (csvs *CSVStorage) GetTPDestinations(tpid, id string) ([]*utils.TPDestination, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.destinationsFn, csvs.sep, getColumnCount(TpDestination{}))
	if err != nil {
		//log.Print("Could not load destinations file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpDests TpDestinations
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.destinationsFn, err.Error())
			return nil, err
		}
		if tpDest, err := csvLoad(TpDestination{}, record); err != nil {
			log.Print("error loading destination: ", err)
			return nil, err
		} else {
			d := tpDest.(TpDestination)
			d.Tpid = tpid
			tpDests = append(tpDests, d)
		}
	}
	return tpDests.AsTPDestinations(), nil
}

func (csvs *CSVStorage) GetTPRates(tpid, id string) ([]*utils.TPRate, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.ratesFn, csvs.sep, getColumnCount(TpRate{}))
	if err != nil {
		//log.Print("Could not load rates file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpRates TpRates
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.ratesFn, err.Error())
			return nil, err
		}
		if tpRate, err := csvLoad(TpRate{}, record); err != nil {
			log.Print("error loading rate: ", err)
			return nil, err
		} else {
			r := tpRate.(TpRate)
			r.Tpid = tpid
			tpRates = append(tpRates, r)
		}
	}
	if rs, err := tpRates.AsTPRates(); err != nil {
		return nil, err
	} else {
		return rs, nil
	}
}

func (csvs *CSVStorage) GetTPDestinationRates(tpid, id string, p *utils.Paginator) ([]*utils.TPDestinationRate, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.destinationratesFn, csvs.sep, getColumnCount(TpDestinationRate{}))
	if err != nil {
		//log.Print("Could not load destination_rates file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpDestinationRates TpDestinationRates
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.destinationratesFn, err.Error())
			return nil, err
		}
		if tpRate, err := csvLoad(TpDestinationRate{}, record); err != nil {
			log.Print("error loading destination rate: ", err)
			return nil, err
		} else {
			dr := tpRate.(TpDestinationRate)
			dr.Tpid = tpid
			tpDestinationRates = append(tpDestinationRates, dr)
		}
	}
	if drs, err := tpDestinationRates.AsTPDestinationRates(); err != nil {
		return nil, err
	} else {
		return drs, nil
	}
}

func (csvs *CSVStorage) GetTPRatingPlans(tpid, id string, p *utils.Paginator) ([]*utils.TPRatingPlan, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.destinationratetimingsFn, csvs.sep, getColumnCount(TpRatingPlan{}))
	if err != nil {
		//log.Print("Could not load rate plans file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpRatingPlans TpRatingPlans
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.destinationratetimingsFn, err.Error())
			return nil, err
		}
		if tpRate, err := csvLoad(TpRatingPlan{}, record); err != nil {
			log.Print("error loading rating plan: ", err)
			return nil, err
		} else {
			rp := tpRate.(TpRatingPlan)
			rp.Tpid = tpid
			tpRatingPlans = append(tpRatingPlans, rp)
		}
	}
	if rps, err := tpRatingPlans.AsTPRatingPlans(); err != nil {
		return nil, err
	} else {
		return rps, nil
	}
}

func (csvs *CSVStorage) GetTPRatingProfiles(filter *utils.TPRatingProfile) ([]*utils.TPRatingProfile, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.ratingprofilesFn, csvs.sep, getColumnCount(TpRatingProfile{}))
	if err != nil {
		//log.Print("Could not load rating profiles file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpRatingProfiles TpRatingProfiles
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.ratingprofilesFn, err.Error())
			return nil, err
		}
		if tpRate, err := csvLoad(TpRatingProfile{}, record); err != nil {
			log.Print("error loading rating profile: ", err)
			return nil, err
		} else {
			rpf := tpRate.(TpRatingProfile)
			if filter != nil {
				rpf.Tpid = filter.TPid
				rpf.Loadid = filter.LoadId
			}
			tpRatingProfiles = append(tpRatingProfiles, rpf)
		}
	}
	if rps, err := tpRatingProfiles.AsTPRatingProfiles(); err != nil {
		return nil, err
	} else {
		return rps, nil
	}
}

func (csvs *CSVStorage) GetTPSharedGroups(tpid, id string) ([]*utils.TPSharedGroups, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.sharedgroupsFn, csvs.sep, getColumnCount(TpSharedGroup{}))
	if err != nil {
		//log.Print("Could not load shared groups file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpSharedGroups TpSharedGroups
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.sharedgroupsFn, err.Error())
			return nil, err
		}
		if tpRate, err := csvLoad(TpSharedGroup{}, record); err != nil {
			log.Print("error loading shared group: ", err)
			return nil, err
		} else {
			sg := tpRate.(TpSharedGroup)
			sg.Tpid = tpid
			tpSharedGroups = append(tpSharedGroups, sg)
		}
	}
	if sgs, err := tpSharedGroups.AsTPSharedGroups(); err != nil {
		return nil, err
	} else {
		return sgs, nil
	}
}

func (csvs *CSVStorage) GetTPActions(tpid, id string) ([]*utils.TPActions, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.actionsFn, csvs.sep, getColumnCount(TpAction{}))
	if err != nil {
		//log.Print("Could not load action file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpActions TpActions
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.actionsFn, err.Error())
			return nil, err
		}
		if tpAction, err := csvLoad(TpAction{}, record); err != nil {
			log.Print("error loading action: ", err)
			return nil, err
		} else {
			a := tpAction.(TpAction)
			a.Tpid = tpid
			tpActions = append(tpActions, a)
		}
	}
	if as, err := tpActions.AsTPActions(); err != nil {
		return nil, err
	} else {
		return as, nil
	}
}

func (csvs *CSVStorage) GetTPActionPlans(tpid, id string) ([]*utils.TPActionPlan, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.actiontimingsFn, csvs.sep, getColumnCount(TpActionPlan{}))
	if err != nil {
		//log.Print("Could not load action plans file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpActionPlans TpActionPlans
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if tpRate, err := csvLoad(TpActionPlan{}, record); err != nil {
			log.Print("error loading action plan: ", err)
			return nil, err
		} else {
			ap := tpRate.(TpActionPlan)
			ap.Tpid = tpid
			tpActionPlans = append(tpActionPlans, ap)
		}
	}
	if aps, err := tpActionPlans.AsTPActionPlans(); err != nil {
		return nil, err
	} else {
		return aps, nil
	}
}

func (csvs *CSVStorage) GetTPActionTriggers(tpid, id string) ([]*utils.TPActionTriggers, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.actiontriggersFn, csvs.sep, getColumnCount(TpActionTrigger{}))
	if err != nil {
		//log.Print("Could not load action triggers file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpActionTriggers TpActionTriggers
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.actiontriggersFn, err.Error())
			return nil, err
		}
		if tpAt, err := csvLoad(TpActionTrigger{}, record); err != nil {
			log.Print("error loading action trigger: ", err)
			return nil, err
		} else {
			at := tpAt.(TpActionTrigger)
			at.Tpid = tpid
			tpActionTriggers = append(tpActionTriggers, at)
		}
	}
	if ats, err := tpActionTriggers.AsTPActionTriggers(); err != nil {
		return nil, err
	} else {
		return ats, nil
	}
}

func (csvs *CSVStorage) GetTPAccountActions(filter *utils.TPAccountActions) ([]*utils.TPAccountActions, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.accountactionsFn, csvs.sep, getColumnCount(TpAccountAction{}))
	if err != nil {
		//log.Print("Could not load account actions file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpAccountActions TpAccountActions
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.accountactionsFn, err.Error())
			return nil, err
		}
		if tpAa, err := csvLoad(TpAccountAction{}, record); err != nil {
			log.Print("error loading account action: ", err)
			return nil, err
		} else {
			aa := tpAa.(TpAccountAction)
			if filter != nil {
				aa.Tpid = filter.TPid
				aa.Loadid = filter.LoadId
			}
			tpAccountActions = append(tpAccountActions, aa)
		}
	}
	if ats, err := tpAccountActions.AsTPAccountActions(); err != nil {
		return nil, err
	} else {
		return ats, nil
	}
}

func (csvs *CSVStorage) GetTPDerivedChargers(filter *utils.TPDerivedChargers) ([]*utils.TPDerivedChargers, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.derivedChargersFn, csvs.sep, getColumnCount(TpDerivedCharger{}))
	if err != nil {
		//log.Print("Could not load derivedChargers file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpDerivedChargers TpDerivedChargers
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.derivedChargersFn, err.Error())
			return nil, err
		}
		if tp, err := csvLoad(TpDerivedCharger{}, record); err != nil {
			log.Print("error loading derived charger: ", err)
			return nil, err
		} else {
			dc := tp.(TpDerivedCharger)
			if filter != nil {
				dc.Tpid = filter.TPid
				dc.Loadid = filter.LoadId
			}
			tpDerivedChargers = append(tpDerivedChargers, dc)
		}
	}
	if dcs, err := tpDerivedChargers.AsTPDerivedChargers(); err != nil {
		return nil, err
	} else {
		return dcs, nil
	}
}

func (csvs *CSVStorage) GetTPUsers(filter *utils.TPUsers) ([]*utils.TPUsers, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.usersFn, csvs.sep, getColumnCount(TpUser{}))
	if err != nil {
		//log.Print("Could not load users file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpUsers TpUsers
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.usersFn, err.Error())
			return nil, err
		}
		if tpUser, err := csvLoad(TpUser{}, record); err != nil {
			log.Print("error loading user: ", err)
			return nil, err
		} else {
			u := tpUser.(TpUser)
			if filter != nil {
				u.Tpid = filter.TPid
			}
			tpUsers = append(tpUsers, u)
		}
	}
	if us, err := tpUsers.AsTPUsers(); err != nil {
		return nil, err
	} else {
		return us, nil
	}
}

func (csvs *CSVStorage) GetTPAliases(filter *utils.TPAliases) ([]*utils.TPAliases, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.aliasesFn, csvs.sep, getColumnCount(TpAlias{}))
	if err != nil {
		//log.Print("Could not load aliases file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpAliases TpAliases
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.aliasesFn, err.Error())
			return nil, err
		}
		if tpAlias, err := csvLoad(TpAlias{}, record); err != nil {
			log.Print("error loading alias: ", err)
			return nil, err
		} else {
			u := tpAlias.(TpAlias)
			if filter != nil {
				u.Tpid = filter.TPid
			}
			tpAliases = append(tpAliases, u)
		}
	}
	if as, err := tpAliases.AsTPAliases(); err != nil {
		return nil, err
	} else {
		return as, nil
	}
}

func (csvs *CSVStorage) GetTPResources(tpid, tenant, id string) ([]*utils.TPResource, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.resProfilesFn, csvs.sep, getColumnCount(TpResource{}))
	if err != nil {
		//log.Print("Could not load resource limits file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpResLimits TpResources
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.resProfilesFn, err.Error())
			return nil, err
		}
		if tpResLimit, err := csvLoad(TpResource{}, record); err != nil {
			log.Print("error loading resourceprofiles: ", err)
			return nil, err
		} else {
			tpLimit := tpResLimit.(TpResource)
			tpLimit.Tpid = tpid
			tpResLimits = append(tpResLimits, &tpLimit)
		}
	}
	return tpResLimits.AsTPResources(), nil
}

func (csvs *CSVStorage) GetTPStats(tpid, tenant, id string) ([]*utils.TPStats, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.statsFn, csvs.sep, getColumnCount(TpStats{}))
	if err != nil {
		//log.Print("Could not load stats file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpStats TpStatsS
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.statsFn, err.Error())
			return nil, err
		}
		if tpstats, err := csvLoad(TpStats{}, record); err != nil {
			log.Print("error loading TPStats: ", err)
			return nil, err
		} else {
			tPstats := tpstats.(TpStats)
			tPstats.Tpid = tpid
			tpStats = append(tpStats, &tPstats)
		}
	}
	return tpStats.AsTPStats(), nil
}

func (csvs *CSVStorage) GetTPThresholds(tpid, tenant, id string) ([]*utils.TPThreshold, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.thresholdsFn, csvs.sep, getColumnCount(TpThreshold{}))
	if err != nil {
		//log.Print("Could not load threshold file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpThreshold TpThresholdS
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.thresholdsFn, err.Error())
			return nil, err
		}
		if thresholdCfg, err := csvLoad(TpThreshold{}, record); err != nil {
			log.Print("error loading TPThreshold: ", err)
			return nil, err
		} else {
			tHresholdCfg := thresholdCfg.(TpThreshold)
			tHresholdCfg.Tpid = tpid
			tpThreshold = append(tpThreshold, &tHresholdCfg)
		}
	}
	return tpThreshold.AsTPThreshold(), nil
}

func (csvs *CSVStorage) GetTPFilters(tpid, id string) ([]*utils.TPFilterProfile, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.filterFn, csvs.sep, getColumnCount(TpFilter{}))
	if err != nil {
		//log.Print("Could not load filter file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpFilter TpFilterS
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.filterFn, err.Error())
			return nil, err
		}
		if filterCfg, err := csvLoad(TpFilter{}, record); err != nil {
			log.Print("error loading TPFilter: ", err)
			return nil, err
		} else {
			fIlterCfg := filterCfg.(TpFilter)
			fIlterCfg.Tpid = tpid
			tpFilter = append(tpFilter, &fIlterCfg)
		}
	}
	return tpFilter.AsTPFilter(), nil
}

func (csvs *CSVStorage) GetTPSuppliers(tpid, id string) ([]*utils.TPSupplierProfile, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.suppProfilesFn, csvs.sep, getColumnCount(TpSupplier{}))
	if err != nil {
		//log.Print("Could not load lcrProfile file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpSPPs TpSuppliers
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.suppProfilesFn, err.Error())
			return nil, err
		}
		if suppProfile, err := csvLoad(TpSupplier{}, record); err != nil {
			log.Print("error loading tpSupplier: ", err)
			return nil, err
		} else {
			suppProfile := suppProfile.(TpSupplier)
			suppProfile.Tpid = tpid
			tpSPPs = append(tpSPPs, &suppProfile)
		}
	}
	return tpSPPs.AsTPSuppliers(), nil
}

func (csvs *CSVStorage) GetTPAttributes(tpid, tenant, id string) ([]*utils.TPAttributeProfile, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.attributeProfilesFn, csvs.sep, getColumnCount(TPAttribute{}))
	if err != nil {
		//log.Print("Could not load AttributeProfile file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpAls TPAttributes
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.attributeProfilesFn, err.Error())
			return nil, err
		}
		if attributeProfile, err := csvLoad(TPAttribute{}, record); err != nil {
			log.Print("error loading tpAttributeProfile: ", err)
			return nil, err
		} else {
			attributeProfile := attributeProfile.(TPAttribute)
			attributeProfile.Tpid = tpid
			tpAls = append(tpAls, &attributeProfile)
		}
	}
	return tpAls.AsTPAttributes(), nil
}

func (csvs *CSVStorage) GetTPChargers(tpid, id string) ([]*utils.TPChargerProfile, error) {
	csvReader, fp, err := csvs.readerFunc(csvs.chargerProfilesFn, csvs.sep, getColumnCount(TPCharger{}))
	if err != nil {
		//log.Print("Could not load AttributeProfile file: ", err)
		// allow writing of the other values
		return nil, nil
	}
	if fp != nil {
		defer fp.Close()
	}
	var tpCPPs TPChargers
	for record, err := csvReader.Read(); err != io.EOF; record, err = csvReader.Read() {
		if err != nil {
			log.Printf("bad line in %s, %s\n", csvs.chargerProfilesFn, err.Error())
			return nil, err
		}
		if cpp, err := csvLoad(TPCharger{}, record); err != nil {
			log.Print("error loading tpChargerProfile: ", err)
			return nil, err
		} else {
			cpp := cpp.(TPCharger)
			cpp.Tpid = tpid
			tpCPPs = append(tpCPPs, &cpp)
		}
	}
	return tpCPPs.AsTPChargers(), nil
}

func (csvs *CSVStorage) GetTpIds(colName string) ([]string, error) {
	return nil, utils.ErrNotImplemented
}

func (csvs *CSVStorage) GetTpTableIds(tpid, table string, distinct utils.TPDistinctIds, filters map[string]string, p *utils.Paginator) ([]string, error) {
	return nil, utils.ErrNotImplemented
}