bb-inspired/dist/modules/database/mongodb.service.js

Core library for BB-inspired NestJS backend

"use strict";
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);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
var MongodbService_1;
Object.defineProperty(exports, "__esModule", { value: true });
exports.MongodbService = void 0;
const common_1 = require("@nestjs/common");
const mongodb_1 = require("mongodb");
const logger_1 = require("../../utils/logger");
let MongodbService = MongodbService_1 = class MongodbService {
    constructor(options) {
        this.options = options;
        this.logger = new logger_1.AppLogger(MongodbService_1.name);
        this.collections = new Map();
    }
    async onModuleInit() {
        var _a;
        try {
            if (!((_a = this.options.mongodb) === null || _a === void 0 ? void 0 : _a.uri)) {
                throw new Error('MongoDB URI is required');
            }
            this.client = new mongodb_1.MongoClient(this.options.mongodb.uri, this.options.mongodb.options);
            await this.client.connect();
            const dbName = this.options.mongodb.dbName || 'main';
            this.db = this.client.db(dbName);
            this.logger.log(`MongoDB connected to database: ${dbName}`);
        }
        catch (error) {
            this.logger.error(`Failed to connect to MongoDB: ${error.message}`, error.stack);
            throw error;
        }
    }
    async onModuleDestroy() {
        try {
            if (this.client) {
                await this.client.close();
                this.logger.log('MongoDB client disconnected');
            }
        }
        catch (error) {
            this.logger.error(`Error disconnecting from MongoDB: ${error.message}`, error.stack);
        }
    }
    getDatabase() {
        if (!this.db) {
            throw new Error('MongoDB is not connected');
        }
        return this.db;
    }
    getCollection(name) {
        if (!this.collections.has(name)) {
            const collection = this.db.collection(name);
            this.collections.set(name, collection);
        }
        return this.collections.get(name);
    }
    async startSession() {
        return this.client.startSession();
    }
    async executeInTransaction(operations) {
        const session = await this.startSession();
        try {
            let result;
            await session.withTransaction(async () => {
                result = await operations(session);
            });
            return result;
        }
        finally {
            await session.endSession();
        }
    }
    async createIndexes(collectionName, indexes) {
        const collection = this.getCollection(collectionName);
        for (const index of indexes) {
            await collection.createIndex(index.fields, index.options || {});
        }
        this.logger.verbose(`Created ${indexes.length} indexes for collection ${collectionName}`);
    }
};
exports.MongodbService = MongodbService;
exports.MongodbService = MongodbService = MongodbService_1 = __decorate([
    (0, common_1.Injectable)(),
    __param(0, (0, common_1.Inject)('DATABASE_OPTIONS')),
    __metadata("design:paramtypes", [Object])
], MongodbService);
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