Added support for Badger as an alternative storage backend

2025-12-20 01:10:44 +00:00 · 2025-03-12 21:06:10 +02:00
parent e526b2269e
commit 813b9faeaa
25 changed files with 1574 additions and 458 deletions
--- a/internal/datastore/badger_datastore/user_defined_functions.go
+++ b/internal/datastore/badger_datastore/user_defined_functions.go
@@ -0,0 +1,107 @@
+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"
+)
+
+func (r *BadgerDataStore) GetAllUserDefinedFunctions(databaseId string, collectionId string) ([]datastore.UserDefinedFunction, datastore.DataStoreStatus) {
+	txn := r.db.NewTransaction(false)
+	defer txn.Discard()
+
+	dbExists, err := keyExists(txn, generateDatabaseKey(databaseId))
+	if err != nil || !dbExists {
+		return nil, datastore.StatusNotFound
+	}
+
+	collExists, err := keyExists(txn, generateCollectionKey(databaseId, collectionId))
+	if err != nil || !collExists {
+		return nil, datastore.StatusNotFound
+	}
+
+	udfs, status := listByPrefix[datastore.UserDefinedFunction](r.db, generateKey(resourceid.ResourceTypeUserDefinedFunction, databaseId, collectionId, ""))
+	if status == datastore.StatusOk {
+		return udfs, datastore.StatusOk
+	}
+
+	return nil, status
+}
+
+func (r *BadgerDataStore) GetUserDefinedFunction(databaseId string, collectionId string, udfId string) (datastore.UserDefinedFunction, datastore.DataStoreStatus) {
+	udfKey := generateUserDefinedFunctionKey(databaseId, collectionId, udfId)
+
+	txn := r.db.NewTransaction(false)
+	defer txn.Discard()
+
+	var udf datastore.UserDefinedFunction
+	status := getKey(txn, udfKey, &udf)
+
+	return udf, status
+}
+
+func (r *BadgerDataStore) DeleteUserDefinedFunction(databaseId string, collectionId string, udfId string) datastore.DataStoreStatus {
+	udfKey := generateUserDefinedFunctionKey(databaseId, collectionId, udfId)
+
+	txn := r.db.NewTransaction(true)
+	defer txn.Discard()
+
+	exists, err := keyExists(txn, udfKey)
+	if err != nil {
+		return datastore.Unknown
+	}
+	if !exists {
+		return datastore.StatusNotFound
+	}
+
+	err = txn.Delete([]byte(udfKey))
+	if err != nil {
+		logger.ErrorLn("Error while deleting user defined function:", err)
+		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) CreateUserDefinedFunction(databaseId string, collectionId string, udf datastore.UserDefinedFunction) (datastore.UserDefinedFunction, datastore.DataStoreStatus) {
+	txn := r.db.NewTransaction(true)
+	defer txn.Discard()
+
+	if udf.ID == "" {
+		return datastore.UserDefinedFunction{}, datastore.BadRequest
+	}
+
+	var database datastore.Database
+	status := getKey(txn, generateDatabaseKey(databaseId), &database)
+	if status != datastore.StatusOk {
+		return datastore.UserDefinedFunction{}, status
+	}
+
+	var collection datastore.Collection
+	status = getKey(txn, generateCollectionKey(databaseId, collectionId), &collection)
+	if status != datastore.StatusOk {
+		return datastore.UserDefinedFunction{}, status
+	}
+
+	udf.TimeStamp = time.Now().Unix()
+	udf.ResourceID = resourceid.NewCombined(collection.ResourceID, resourceid.New(resourceid.ResourceTypeUserDefinedFunction))
+	udf.ETag = fmt.Sprintf("\"%s\"", uuid.New())
+	udf.Self = fmt.Sprintf("dbs/%s/colls/%s/udfs/%s/", database.ResourceID, collection.ResourceID, udf.ResourceID)
+
+	status = insertKey(txn, generateUserDefinedFunctionKey(databaseId, collectionId, udf.ID), udf)
+	if status != datastore.StatusOk {
+		return datastore.UserDefinedFunction{}, status
+	}
+
+	return udf, datastore.StatusOk
+}