mirror of
https://github.com/cgrates/cgrates.git
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64 lines
2.1 KiB
Go
64 lines
2.1 KiB
Go
/*
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Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
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Copyright (C) ITsysCOM GmbH
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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package engine
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import (
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"fmt"
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"github.com/cgrates/cgrates/utils"
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)
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// matchingItemIDsForEvent returns the list of item IDs matching fieldName/fieldValue for an event
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// helper on top of dataDB.MatchReqFilterIndex, adding utils.NOT_AVAILABLE to list of fields queried
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// executes a number of $(len(fields) + 1) queries to dataDB so the size of event influences the speed of return
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func matchingItemIDsForEvent(ev map[string]interface{}, dm *DataManager, dbIdxKey string) (itemIDs utils.StringMap, err error) {
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itemIDs = make(utils.StringMap)
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for fldName, fieldValIf := range ev {
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fldVal, canCast := utils.CastFieldIfToString(fieldValIf)
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if !canCast {
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return nil, fmt.Errorf("Cannot cast field: %s into string", fldName)
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}
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dbItemIDs, err := dm.DataDB().MatchReqFilterIndex(dbIdxKey, fldName, fldVal)
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if err != nil {
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if err == utils.ErrNotFound {
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continue
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}
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return nil, err
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}
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for itemID := range dbItemIDs {
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if _, hasIt := itemIDs[itemID]; !hasIt { // Add it to list if not already there
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itemIDs[itemID] = dbItemIDs[itemID]
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}
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}
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}
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dbItemIDs, err := dm.DataDB().MatchReqFilterIndex(dbIdxKey, utils.NOT_AVAILABLE, utils.NOT_AVAILABLE) // add unindexed itemIDs to be checked
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if err != nil {
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if err != utils.ErrNotFound {
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return nil, err
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}
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err = nil // not found is ignored
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}
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for itemID := range dbItemIDs {
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if _, hasIt := itemIDs[itemID]; !hasIt {
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itemIDs[itemID] = dbItemIDs[itemID]
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}
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}
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return
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}
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