@gecogvidanto/plugin-nedb
Version:
Nebd local database management plugin for ĞecoĞvidanto
117 lines • 5.34 kB
JavaScript
;
/*
* This file is part of @gecogvidanto/plugin-nedb.
* Copyright (C) 2020 Stéphane Veyret
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
const bindata_1 = require("./bindata");
/**
* A nedb collection (datastore in nedb vocabulary).
*/
class NedbDatastore {
constructor(db, name, compactInterval, binaryStore) {
this.db = db;
this.name = name;
this.compactInterval = compactInterval;
this.binaryStore = binaryStore;
this.nextCompact = compactInterval;
}
static checkCompact(_target, _propertyKey, descriptor) {
const originalMethod = descriptor.value;
descriptor.value = async function (...args) {
const result = await originalMethod.apply(this, args);
if (--this.nextCompact <= 0) {
setImmediate(() => {
this.db.db.persistence.compactDatafile();
});
this.nextCompact = this.compactInterval;
}
return result;
};
return descriptor;
}
async insert(newDoc) {
const binManager = new bindata_1.BinaryDataManager(this.binaryStore, this.name);
const filtered = await binManager.inputFilter(newDoc);
const result = (await this.db.insert(filtered));
if (binManager.transformed) {
await binManager.save(result._id);
}
return binManager.outputFilter(result);
}
async count(query) {
const binManager = new bindata_1.BinaryDataManager(this.binaryStore, this.name);
const filtered = await binManager.inputFilter(query);
return this.db.count(filtered);
}
async find(query, projection) {
const binManager = new bindata_1.BinaryDataManager(this.binaryStore, this.name);
const filtered = await binManager.inputFilter(query);
const result = await this.db.find(filtered, projection);
return binManager.outputFilterAll(result);
}
async findOne(query, projection) {
const binManager = new bindata_1.BinaryDataManager(this.binaryStore, this.name);
const filtered = await binManager.inputFilter(query);
const result = await this.db.findOne(filtered, projection);
return result ? binManager.outputFilter(result) : undefined;
}
async update(query, updateQuery, upsert = false) {
const options = { upsert, multi: !upsert };
const binManager = new bindata_1.BinaryDataManager(this.binaryStore, this.name);
const filteredUpdate = await binManager.inputFilter(updateQuery);
if (binManager.transformed) {
const modifs = await this.find(query, { _id: 1 });
await Promise.all(modifs.map(async (modif) => binManager.save(modif._id)));
}
const filteredQuery = await binManager.inputFilter(query);
return this.db.update(filteredQuery, filteredUpdate, options);
}
async remove(query) {
const binManager = new bindata_1.BinaryDataManager(this.binaryStore, this.name);
const filtered = await binManager.inputFilter(query);
return this.db.remove(filtered, { multi: true });
}
}
__decorate([
NedbDatastore.checkCompact,
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object]),
__metadata("design:returntype", Promise)
], NedbDatastore.prototype, "insert", null);
__decorate([
NedbDatastore.checkCompact,
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object, Object, Object]),
__metadata("design:returntype", Promise)
], NedbDatastore.prototype, "update", null);
__decorate([
NedbDatastore.checkCompact,
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object]),
__metadata("design:returntype", Promise)
], NedbDatastore.prototype, "remove", null);
exports.default = NedbDatastore;
//# sourceMappingURL=NedbDatastore.js.map