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script_repository.go
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/
script_repository.go
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package dbbadger
import (
"context"
"fmt"
"sync"
"github.com/dgraph-io/badger/v4"
log "github.com/sirupsen/logrus"
"github.com/timshannon/badgerhold/v4"
"github.com/vulpemventures/ocean/internal/core/domain"
)
type scriptRepository struct {
store *badgerhold.Store
chEvents chan domain.ExternalScriptEvent
lock *sync.Mutex
log func(format string, a ...interface{})
}
func NewExternalScriptRepository(
store *badgerhold.Store,
) domain.ExternalScriptRepository {
return newExternalScriptRepository(store)
}
func newExternalScriptRepository(
store *badgerhold.Store,
) *scriptRepository {
chEvents := make(chan domain.ExternalScriptEvent)
lock := &sync.Mutex{}
logFn := func(format string, a ...interface{}) {
format = fmt.Sprintf("script repository: %s", format)
log.Debugf(format, a...)
}
return &scriptRepository{store, chEvents, lock, logFn}
}
func (r *scriptRepository) AddScript(
ctx context.Context, info domain.AddressInfo,
) (bool, error) {
done, err := r.addScript(ctx, info)
if err != nil {
return false, err
}
if done {
go r.publishEvent(domain.ExternalScriptEvent{
EventType: domain.ExternalScriptAdded,
Info: info,
})
}
return done, nil
}
func (r *scriptRepository) GetAllScripts(
ctx context.Context,
) ([]domain.AddressInfo, error) {
query := &badgerhold.Query{}
return r.findScripts(ctx, query)
}
func (r *scriptRepository) DeleteScript(
ctx context.Context, scriptHash string,
) (bool, error) {
done, err := r.deleteScript(ctx, scriptHash)
if err != nil {
return false, err
}
if done {
go r.publishEvent(domain.ExternalScriptEvent{
EventType: domain.ExternalScriptDeleted,
Info: domain.AddressInfo{
Account: scriptHash,
},
})
}
return done, nil
}
func (r *scriptRepository) addScript(
ctx context.Context, info domain.AddressInfo,
) (bool, error) {
var err error
if ctx.Value("tx") != nil {
t := ctx.Value("tx").(*badger.Txn)
err = r.store.TxInsert(t, info.Account, info)
} else {
err = r.store.Insert(info.Account, info)
}
if err != nil {
if err == badgerhold.ErrKeyExists {
return false, nil
}
return false, err
}
return true, nil
}
func (r *scriptRepository) findScripts(
ctx context.Context, query *badgerhold.Query,
) ([]domain.AddressInfo, error) {
var list []domain.AddressInfo
var err error
if ctx.Value("tx") != nil {
tx := ctx.Value("tx").(*badger.Txn)
err = r.store.TxFind(tx, &list, query)
} else {
err = r.store.Find(&list, query)
}
if err != nil {
if err == badgerhold.ErrNotFound {
return nil, nil
}
return nil, err
}
return list, nil
}
func (r *scriptRepository) deleteScript(
ctx context.Context, scriptHash string,
) (bool, error) {
var err error
if ctx.Value("tx") != nil {
tx := ctx.Value("tx").(*badger.Txn)
err = r.store.TxDelete(tx, scriptHash, domain.AddressInfo{})
} else {
err = r.store.Delete(scriptHash, domain.AddressInfo{})
}
if err != nil {
if err == badgerhold.ErrNotFound {
return false, nil
}
return false, err
}
return true, nil
}
func (r *scriptRepository) publishEvent(event domain.ExternalScriptEvent) {
r.lock.Lock()
defer r.lock.Unlock()
r.log("publish event %s", event.EventType)
r.chEvents <- event
}
func (r *scriptRepository) reset() {
r.store.Badger().DropAll()
}
func (r *scriptRepository) close() {
r.store.Close()
}