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indexer.go
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indexer.go
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package es
import (
log "github.com/Sirupsen/logrus"
"github.com/Bnei-Baruch/archive-backend/consts"
)
type Indexer struct {
indices []Index
}
func MakeProdIndexer() *Indexer {
return MakeIndexer("prod", []string{consts.ES_CLASSIFICATIONS_INDEX, consts.ES_UNITS_INDEX})
}
// Receives namespace and list of indexes names.
func MakeIndexer(namespace string, names []string) *Indexer {
indexer := new(Indexer)
indexer.indices = make([]Index, len(names))
for i, name := range names {
if name == consts.ES_CLASSIFICATIONS_INDEX {
indexer.indices[i] = MakeClassificationsIndex(namespace)
} else if name == consts.ES_UNITS_INDEX {
indexer.indices[i] = MakeContentUnitsIndex(namespace)
}
}
return indexer
}
func (indexer *Indexer) ReindexAll() error {
log.Info("Re-Indexing everything")
for _, index := range indexer.indices {
// TODO: Check if indexing things in parallel will make things faster?
if err := index.DeleteIndex(); err != nil {
return err
}
if err := index.CreateIndex(); err != nil {
return err
}
if err := index.ReindexAll(); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) RefreshAll() error {
for _, index := range indexer.indices {
index.RefreshIndex()
}
return nil
}
func (indexer *Indexer) CreateIndexes() error {
for _, index := range indexer.indices {
if err := index.CreateIndex(); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) DeleteIndexes() error {
for _, index := range indexer.indices {
if err := index.DeleteIndex(); err != nil {
return err
}
}
return nil
}
// Set of MDB event handlers to incrementally change all indexes.
func (indexer *Indexer) CollectionAdd(uid string) error {
for _, index := range indexer.indices {
if err := index.Add(Scope{CollectionUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) CollectionUpdate(uid string) error {
for _, index := range indexer.indices {
if err := index.Update(Scope{CollectionUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) CollectionDelete(uid string) error {
for _, index := range indexer.indices {
if err := index.Delete(Scope{CollectionUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) ContentUnitAdd(uid string) error {
for _, index := range indexer.indices {
if err := index.Add(Scope{ContentUnitUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) ContentUnitUpdate(uid string) error {
for _, index := range indexer.indices {
// TODO: Optimize update to update elastic and not delete and then
// add. It might be a problem on bulk updates, i.e., of someone added
// some kind of tag for 1000 documents.
// In that case removeing and adding will be much slower then updating
// existing documents in elastic.
// Decicded to not optimize prematurly.
if err := index.Update(Scope{ContentUnitUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) ContentUnitDelete(uid string) error {
for _, index := range indexer.indices {
if err := index.Delete(Scope{ContentUnitUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) FileAdd(uid string) error {
for _, index := range indexer.indices {
if err := index.Add(Scope{FileUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) FileUpdate(uid string) error {
for _, index := range indexer.indices {
if err := index.Update(Scope{FileUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) FileDelete(uid string) error {
for _, index := range indexer.indices {
if err := index.Delete(Scope{FileUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) SourceAdd(uid string) error {
for _, index := range indexer.indices {
if err := index.Add(Scope{SourceUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) SourceUpdate(uid string) error {
for _, index := range indexer.indices {
if err := index.Update(Scope{SourceUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) TagAdd(uid string) error {
for _, index := range indexer.indices {
if err := index.Add(Scope{TagUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) TagUpdate(uid string) error {
for _, index := range indexer.indices {
if err := index.Update(Scope{TagUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) PersonAdd(uid string) error {
for _, index := range indexer.indices {
if err := index.Add(Scope{PersonUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) PersonUpdate(uid string) error {
for _, index := range indexer.indices {
if err := index.Update(Scope{PersonUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) PublisherAdd(uid string) error {
for _, index := range indexer.indices {
if err := index.Add(Scope{PublisherUID: uid}); err != nil {
return err
}
}
return nil
}
func (indexer *Indexer) PublisherUpdate(uid string) error {
for _, index := range indexer.indices {
if err := index.Update(Scope{PublisherUID: uid}); err != nil {
return err
}
}
return nil
}