104 lines
3.3 KiB
Go

package badgerdatastore
import (
"fmt"
"time"
"github.com/google/uuid"
"github.com/pikami/cosmium/internal/datastore"
"github.com/pikami/cosmium/internal/logger"
"github.com/pikami/cosmium/internal/resourceid"
structhidrators "github.com/pikami/cosmium/internal/struct_hidrators"
)
func (r *BadgerDataStore) GetAllCollections(databaseId string) ([]datastore.Collection, datastore.DataStoreStatus) {
exists, err := keyExists(r.db.NewTransaction(false), generateDatabaseKey(databaseId))
if err != nil {
logger.ErrorLn("Error while checking if database exists:", err)
return nil, datastore.Unknown
}
if !exists {
return nil, datastore.StatusNotFound
}
colls, status := listByPrefix[datastore.Collection](r.db, generateKey(resourceid.ResourceTypeCollection, databaseId, "", ""))
if status == datastore.StatusOk {
return colls, datastore.StatusOk
}
return nil, status
}
func (r *BadgerDataStore) GetCollection(databaseId string, collectionId string) (datastore.Collection, datastore.DataStoreStatus) {
collectionKey := generateCollectionKey(databaseId, collectionId)
txn := r.db.NewTransaction(false)
defer txn.Discard()
var collection datastore.Collection
status := getKey(txn, collectionKey, &collection)
return collection, status
}
func (r *BadgerDataStore) DeleteCollection(databaseId string, collectionId string) datastore.DataStoreStatus {
collectionKey := generateCollectionKey(databaseId, collectionId)
txn := r.db.NewTransaction(true)
defer txn.Discard()
prefixes := []string{
generateKey(resourceid.ResourceTypeDocument, databaseId, collectionId, ""),
generateKey(resourceid.ResourceTypeTrigger, databaseId, collectionId, ""),
generateKey(resourceid.ResourceTypeStoredProcedure, databaseId, collectionId, ""),
generateKey(resourceid.ResourceTypeUserDefinedFunction, databaseId, collectionId, ""),
collectionKey,
}
for _, prefix := range prefixes {
if err := deleteKeysByPrefix(txn, prefix); err != nil {
return datastore.Unknown
}
}
err := txn.Commit()
if err != nil {
logger.ErrorLn("Error while committing transaction:", err)
return datastore.Unknown
}
return datastore.StatusOk
}
func (r *BadgerDataStore) CreateCollection(databaseId string, newCollection datastore.Collection) (datastore.Collection, datastore.DataStoreStatus) {
collectionKey := generateCollectionKey(databaseId, newCollection.ID)
txn := r.db.NewTransaction(true)
defer txn.Discard()
collectionExists, err := keyExists(txn, collectionKey)
if err != nil || collectionExists {
return datastore.Collection{}, datastore.Conflict
}
var database datastore.Database
status := getKey(txn, generateDatabaseKey(databaseId), &database)
if status != datastore.StatusOk {
return datastore.Collection{}, status
}
newCollection = structhidrators.Hidrate(newCollection).(datastore.Collection)
newCollection.TimeStamp = time.Now().Unix()
newCollection.ResourceID = resourceid.NewCombined(database.ResourceID, resourceid.New(resourceid.ResourceTypeCollection))
newCollection.ETag = fmt.Sprintf("\"%s\"", uuid.New())
newCollection.Self = fmt.Sprintf("dbs/%s/colls/%s/", database.ResourceID, newCollection.ResourceID)
status = insertKey(txn, collectionKey, newCollection)
if status != datastore.StatusOk {
return datastore.Collection{}, status
}
return newCollection, datastore.StatusOk
}