morpheus4j/dist/nestjs/morpheus.service.js

Morpheus is a migration tool for Neo4j. It aims to be a simple and intuitive way to migrate your database.

"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;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.MorpheusService = void 0;
const common_1 = require("@nestjs/common");
const constants_1 = require("../constants");
const connection_1 = require("../neo4j/connection");
const clean_service_1 = require("../services/clean.service");
const config_service_1 = require("../services/config.service");
const file_service_1 = require("../services/file.service");
const migrate_service_1 = require("../services/migrate.service");
const neo4j_repository_1 = require("../services/neo4j.repository");
let MorpheusService = class MorpheusService {
    async cleanDatabase(config) {
        const finalConfig = await this.getConfig(config);
        const dropConstraints = Boolean(config?.cleanConfig?.dropConstraints);
        await this.withDatabaseConnection(async (repository) => {
            await new clean_service_1.CleanService(repository).clean(dropConstraints);
        }, finalConfig);
    }
    async runMigrations(config) {
        const finalConfig = await this.getConfig(config);
        const fileService = new file_service_1.FileService(finalConfig);
        await this.withDatabaseConnection(async (repository) => {
            await new migrate_service_1.MigrationService(repository, fileService).migrate();
        }, finalConfig);
    }
    async getConfig(providedConfig) {
        if (providedConfig) {
            return providedConfig;
        }
        return config_service_1.ConfigService.load({
            database: process.env[constants_1.EnvKeys.DATABASE],
            host: process.env[constants_1.EnvKeys.HOST],
            migrationsPath: process.env[constants_1.EnvKeys.MIGRATIONS_PATH],
            password: process.env[constants_1.EnvKeys.PASSWORD],
            port: process.env[constants_1.EnvKeys.PORT] ? Number(process.env[constants_1.EnvKeys.PORT]) : undefined,
            scheme: process.env[constants_1.EnvKeys.SCHEME],
            username: process.env[constants_1.EnvKeys.USERNAME],
        }, constants_1.MORPHEUS_FILE_NAME);
    }
    async withDatabaseConnection(operation, config) {
        const connection = await (0, connection_1.getDatabaseConnection)(config);
        const repository = new neo4j_repository_1.Repository(connection);
        try {
            return await operation(repository);
        }
        finally {
            await connection.close();
        }
    }
};
exports.MorpheusService = MorpheusService;
exports.MorpheusService = MorpheusService = __decorate([
    (0, common_1.Injectable)()
], MorpheusService);
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