all files / packages/web3-core-subscriptions/src/ index.js

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/*
    This file is part of web3.js.
 
    web3.js is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    web3.js 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 Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
    along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
*/
/**
 * @file index.js
 * @author Fabian Vogelsteller <fabian@ethereum.org>
 * @date 2017
 */
 
"use strict";
 
var Subscription = require('./subscription.js');
 
 
var Subscriptions = function Subscriptions(options) {
    this.name = options.name;
    this.type = options.type;
    this.subscriptions = options.subscriptions || {};
    this.requestManager = null;
};
 
 
Subscriptions.prototype.setRequestManager = function (rm) {
    this.requestManager = rm;
};
 
 
Subscriptions.prototype.attachToObject = function (obj) {
    var func = this.buildCall();
    func.call = this.call; // TODO!!! that's ugly. filter.js uses it
    var name = this.name.split('.');
    Iif (name.length > 1) {
        obj[name[0]] = obj[name[0]] || {};
        obj[name[0]][name[1]] = func;
    } else {
        obj[name[0]] = func;
    }
};
 
 
Subscriptions.prototype.buildCall = function() {
    var _this = this;
 
    return function(){
        Iif(!_this.subscriptions[arguments[0]]) {
            console.warn('Subscription '+ JSON.stringify(arguments[0]) +' doesn\'t exist. Subscribing anyway.');
        }
 
        var subscription = new Subscription({
            subscription: _this.subscriptions[arguments[0]],
            requestManager: _this.requestManager,
            type: _this.type
        });
 
        return subscription.subscribe.apply(subscription, arguments);
    };
};
 
 
module.exports = {
    subscriptions: Subscriptions,
    subscription: Subscription
};