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93 lines
2.6 KiB
JavaScript
93 lines
2.6 KiB
JavaScript
/*
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* Copyright 2022, The Cozo Project Authors.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
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* If a copy of the MPL was not distributed with this file,
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* You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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const binary = require('@mapbox/node-pre-gyp');
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const path = require('path');
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const binding_path = binary.find(path.resolve(path.join(__dirname, './package.json')));
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const native = require(binding_path);
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class CozoDb {
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constructor(path) {
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this.db_id = native.open_db(path)
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}
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close() {
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native.close_db(this.db_id)
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}
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run(script, params) {
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return new Promise((resolve, reject) => {
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const params_str = JSON.stringify(params || {})
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native.query_db(this.db_id, script, params_str, (result_str) => {
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const result = JSON.parse(result_str);
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if (result.ok) {
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resolve(result)
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} else {
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reject(result)
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}
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})
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})
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}
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exportRelations(rels) {
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return new Promise((resolve, reject) => {
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const rels_str = JSON.stringify(rels);
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native.export_relations(rels_str, (result_str) => {
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const result = JSON.parse(result_str);
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if (result.ok) {
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resolve(result)
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} else {
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reject(result)
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}
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})
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})
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}
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importRelations(data) {
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return new Promise((resolve, reject) => {
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const rels_str = JSON.stringify(data);
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native.import_relations(rels_str, (result_str) => {
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const result = JSON.parse(result_str);
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if (result.ok) {
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resolve(result)
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} else {
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reject(result)
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}
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})
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})
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}
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backup(path) {
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return new Promise((resolve, reject) => {
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native.backup_db(path, (result_str) => {
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const result = JSON.parse(result_str);
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if (result.ok) {
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resolve(result)
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} else {
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reject(result)
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}
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})
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})
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}
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restore(path) {
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return new Promise((resolve, reject) => {
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native.restore_db(path, (result_str) => {
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const result = JSON.parse(result_str);
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if (result.ok) {
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resolve(result)
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} else {
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reject(result)
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}
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})
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})
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}
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}
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module.exports = {CozoDb: CozoDb}
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