all files / class/ storage.ts

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(function(global){global.wrappers['/home/dev/Dropbox/www/browser-database/src/class/storage.ts']=[function(require,module,exports,__dirname,__filename){ "use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const uuid = require("uuid");
/*
 * Storage implementation
 */
class Storage {
    /*
     * Constructor
     *
     * @param options Options for storage
     */
    constructor(options = {}) {
        /*
         * Local data holder
         */
        this.data = {};
        this.storageKey = options.storageKey || 'browser-database';
        this.load();
    }
    /*
     * Get list of records
     *
     * @param modelName Name of model
     */
    getAll(modelName) {
        this.ensureModel(modelName);
        const ret = Object.keys(this.data[modelName]).map((id) => Object.assign({ id }, this.data[modelName][id]));
        return Promise.resolve(ret);
    }
    /*
     * Get single record by id
     *
     * @param modelName Name of model
     * @param id ID of primary key
     */
    getById(modelName, id) {
        this.ensureModel(modelName);
        const row = this.data[modelName][id];
        if (row === undefined) {
            return Promise.reject(new Error('Item Not Found'));
        }
        const ret = Object.assign({ id }, this.data[modelName][id]);
        return Promise.resolve(ret);
    }
    /*
     * Insert new record
     *
     * @param modelName Name of model
     * @param row Row data
     */
    insert(modelName, row) {
        this.ensureModel(modelName);
        const id = row.id || uuid.v4();
        delete row.id;
        this.data[modelName][id] = row;
        return this.save()
            .then(() => this.getById(modelName, id));
    }
    /*
     * Update existing record
     *
     * @param modelName Name of model
     * @param id ID of primary key
     * @param row Row data
     */
    update(modelName, id, row) {
        this.ensureModel(modelName);
        const theRow = this.data[modelName][id];
        if (theRow === undefined) {
            return Promise.reject(new Error('Item Not Found'));
        }
        Object.assign(theRow, row);
        return this.save()
            .then(() => this.getById(modelName, id));
    }
    /*
     * Remove existing record
     *
     * @param modelName Name of model
     * @param id ID of primary key
     */
    remove(modelName, id) {
        this.ensureModel(modelName);
        const theRow = this.data[modelName][id];
        if (theRow === undefined) {
            return Promise.reject(new Error('Item Not Found'));
        }
        delete this.data[modelName][id];
        return this.save()
            .then(() => Promise.resolve(theRow));
    }
    /*
     * Saves data to storage
     */
    save() {
        return Promise.resolve(this.data);
    }
    /*
     * Loads data from storage
     */
    load() {
        return Promise.resolve(this.data);
    }
    /*
     * Checks if model exists and creates it if not
     *
     * @param modelName Name of model
     */
    ensureModel(modelName) {
        if (this.data[modelName] === undefined) {
            this.data[modelName] = {};
        }
    }
}
exports.Storage = Storage;
 
},'src/class/storage.ts',{"uuid":"/home/dev/Dropbox/www/browser-database/node_modules/uuid/index.js","../interface":"/home/dev/Dropbox/www/browser-database/src/interface/index.ts"}];})(this);
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