beamjs/index.js

Enterprise full stack web development framework (Backend-JS - ExpressJS - AngularJS - MongoDB)

/*jslint node: true */
"use strict";

var fs = require("fs");
var debug = require("debug");
var backend = require("backend-js");

debug.enable("beam:*,backend:*");
debug = debug("beam:index");

var bunyan = require("bunyan");

if (!fs.existsSync("./logs")) {

    fs.mkdirSync("./logs");
}

var log = bunyan.createLogger({

    name: "beam",
    streams: [{

        path: "./logs/error.log",
        level: "error"
    }],
    serializers: bunyan.stdSerializers
});

var beam = Object.assign(...[
    module.exports,
    backend
]);

var getModelControllerPath = function () {

    var [TYPE] = arguments;
    var controllers = {

        mongodb: "/MongoController.js",
        mysql: "/SQLController.js",
        postgres: "/SQLController.js"
    };
    var path = [
        ".",
        "src",
        "database",
        "controllers"
    ];
    path = path.join("/");
    path += controllers[TYPE];
    return path;
};

var getResourceControllerPath = function () {

    var [TYPE] = arguments;
    var controllers = {

        fs: "/FSController.js"
    }
    var path = [
        ".",
        "src",
        "storage",
        "controllers"
    ];
    path = path.join("/");
    path += controllers[TYPE];
    return path;
};

beam.database = function (KEY, options) {

    var [
        dbType,
        dbURI,
        dbName
    ] = arguments;
    var version_0 = typeof dbURI === "string";
    version_0 |= typeof dbName === "string";
    if (version_0) {

        return { dbType, dbURI, dbName };
    }
    if (typeof KEY === "object") {

        options = KEY;
        KEY = undefined;
    }
    var TYPE;
    if (typeof options === "object") {

        TYPE = options.type;
    } else if (typeof KEY === "string") {

        var {
            getModelController: getMC
        } = backend;
        var controller = getMC(KEY);
        if (controller) {

            TYPE = controller.type;
        }
    }
    if (TYPE) {

        if (!getModelControllerPath(...[
            TYPE
        ])) {

            throw new Error("Invalid" +
                " database type");
        }
        var ModelModule = require(...[
            getModelControllerPath(TYPE)
        ]);
        if (ModelModule) {

            [
                "ComparisonOperators",
                "LogicalOperators",
                "ComputationOperators"
            ].forEach(function (key) {

                var operators = ModelModule[key];
                beam[key] = operators;
                backend["set" + key](operators);
            });
            if (typeof options === "object") {

                var {
                    setModelController
                } = backend;
                var {
                    getModelControllerObject
                } = ModelModule;
                setModelController(...[
                    getModelControllerObject(...[
                        options,
                        function (error) {

                            if (error) {

                                debug(error);
                                log.error({

                                    controller: "database",
                                    err: error
                                });
                            }
                        },
                        KEY || "main"
                    ]),
                    KEY || "main"
                ]);
            }
        }
    }
    return beam;
};

beam.storage = function (KEY, options) {

    var [
        type,
        id,
        key,
        name
    ] = arguments;
    var version_0 = typeof id === "string";
    version_0 |= typeof key === "string";
    if (version_0) {

        return { type, id, key, name };
    }
    if (typeof KEY === "object") {

        options = KEY;
        KEY = undefined;
    }
    var TYPE;
    if (typeof options === "object") {

        TYPE = options.type;
    } else if (typeof KEY === "string") {

        var {
            getResourceController: getRC
        } = backend;
        var controller = getRC(KEY);
        if (controller) {

            TYPE = controller.type;
        }
    }
    if (TYPE) {

        if (!getResourceControllerPath(...[
            TYPE
        ])) {

            throw new Error("Invalid" +
                " storage type");
        }
        var ResourceModule = require(...[
            getResourceControllerPath(TYPE)
        ]);
        if (ResourceModule) {

            if (typeof options === "object") {

                var {
                    setResourceController
                } = backend;
                var {
                    getResourceControllerObject
                } = ResourceModule;
                setResourceController(...[
                    getResourceControllerObject(...[
                        options,
                        function (error) {

                            if (error) {

                                debug(error);
                                log.error({

                                    controller: "storage",
                                    err: error
                                });
                            }
                        },
                        KEY || "local"
                    ]),
                    KEY || "local"
                ]);
            }
        }
    }
    return beam;
};

beam.backend = function (database, storage) {

    var storageOptions;
    if (typeof storage === "object") {

        if (storage) {

            let {
                type,
                id,
                key,
                name
            } = storage;
            storageOptions = {
                type,
                id,
                key,
                name
            };
        }
    }
    if (typeof storage !== "string") {

        storage = "local";
    }
    beam.storage(storage, storageOptions);
    var databaseOptions;
    if (typeof database === "object") {

        if (database) {

            let {
                dbType: type,
                dbURI: uri,
                dbName: name
            } = database;
            databaseOptions = {
                type,
                uri,
                name
            };
        }
    }
    if (typeof database !== "string") {

        database = "main";
    }
    beam.database(database, databaseOptions);
    return backend;
};

var db = "./src/database/plugins/";
var api = "./src/api/plugins/";

beam.SQLEncrypt = require(db + "SQLEncrypt.js");
beam.SQLTimestamps = require(db + "SQLTimestamps.js");
beam.SQLHashedProperty = require(db + "SQLHashedProperty.js");
beam.SQLSecret = require(db + "SQLSecret.js");
beam.Respond = require(api + "Respond.js");
beam.responder = beam.Respond;
beam.Redirect = require(api + "Redirect.js");
beam.Delegate = beam.Redirect;
beam.delegator = beam.Redirect;
beam.Forward = require(api + "Forward.js");
beam.Proxy = beam.Forward;
beam.forwarder = beam.Forward;