mysql-live-client/compiled/lib/Receiver.js

The client side script of mysql-live package.

var Helper_1 = require("./Helper");
var _ = require("lodash");
var Receiver = (function () {
    function Receiver(handler) {
        this.waitingPublicationReceive = [];
        this.events = ['onPublicationReceive', 'onInsertObject', 'onUpdateObject', 'onRemoveObject'];
        this.isListening = false;
        this.handler = handler;
        this.listen();
    }
    Receiver.prototype.listen = function () {
        var _this = this;
        this.events.forEach(function (evt) {
            _this.handler.socket.on(evt, _this[evt].bind(_this));
        });
        this.isListening = true;
    };
    Receiver.prototype.onPublicationReceive = function (publication) {
        var col = this.handler.collections[publication.collectionName];
        if (col === undefined) {
            this.waitingPublicationReceive.push(publication);
        }
        else {
            this.doCollectionInitialReceive(publication);
        }
    };
    Receiver.prototype.doCollectionInitialReceive = function (publication) {
        var col = this.handler.collections[publication.collectionName];
        if (col === undefined)
            return;
        if (publication.items.length > 0 && col.items.length > 0 && col.items.length === publication.items.length &&
            col.items[col.items.length - 1][col.primaryKeyColumn] === publication.items[publication.items.length - 1][col.primaryKeyColumn] &&
            col.items[0][col.primaryKeyColumn] === publication.items[0][col.primaryKeyColumn]) {
            return;
        }
        else if (publication.items.length === col.items.length && col.hasReceived === true) {
            if (publication.items.length > 0 && publication.items[0][col.primaryKeyColumn] === col.items[0][col.primaryKeyColumn]) {
                return;
            }
        }
        col.primaryKeyColumn = publication.primaryKeyColumn;
        col.items = publication.items;
        col.hasReceived = true;
        var evt;
        if (publication.__single_item_collection__) {
            col.__single_item_collection__ = publication.__single_item_collection__;
            evt = { name: 'receive', item: (col.items && col.items.length > 0 ? col.items[0] : undefined) };
        }
        else {
            evt = { name: 'receive', items: col.items };
        }
        this.handler.subscriptionAcceptedFromServer(publication.name, publication.collectionName);
        var indexOfWaitingPub = _.indexOf(this.waitingPublicationReceive, function (waitingPub) { return waitingPub.collectionName === publication.collectionName; });
        if (indexOfWaitingPub !== -1) {
            this.waitingPublicationReceive.splice(indexOfWaitingPub, 1);
        }
        col.fireChange(evt);
    };
    Receiver.prototype.getWaitingPublication = function (collectionName) {
        return _.find(this.waitingPublicationReceive, function (waitingPub) { return waitingPub.collectionName === collectionName; });
    };
    Receiver.prototype.onInsertObject = function (evt) {
        var col = this.handler.collections[evt.collectionName];
        if (col.__single_item_collection__ === false) {
            if (col === undefined) {
                console.error(evt.collectionName + ':onInsertObject Error# Please put Mysql.connect(...) method before your the Mysql.Collection calls, otherwise you will still get errors, the package will work but maybe you have problems later.');
            }
            else {
                var event_1 = { name: 'insert', newItem: evt.newItem };
                col.items.push(evt.newItem);
                col.fireChange(event_1);
            }
        }
    };
    Receiver.prototype.onUpdateObject = function (evt) {
        var col = this.handler.collections[evt.collectionName];
        if (col.__single_item_collection__ && col.item !== undefined) {
            if (evt.selector[col.primaryKeyColumn] === col.item[col.primaryKeyColumn]) {
                this.updateObject(col, evt);
            }
        }
        else {
            this.updateObject(col, evt);
        }
    };
    Receiver.prototype.updateObject = function (col, evt) {
        var newItem = Helper_1.default._findAndUpdate(col.items, evt.selector, evt.newItem);
        if (newItem !== undefined) {
            var event_2 = { name: 'update', newItem: newItem, selector: evt.selector };
            col.fireChange(event_2);
        }
    };
    Receiver.prototype.onRemoveObject = function (evt) {
        var col = this.handler.collections[evt.collectionName];
        if (col.__single_item_collection__ && col.item !== undefined) {
            if (evt.selector[col.primaryKeyColumn] === col.item[col.primaryKeyColumn]) {
                col.items.splice(0, 1);
                col.fireChange({ name: 'remove', selector: evt.selector });
            }
        }
        else {
            _.remove(col.items, evt.selector);
            col.fireChange({ name: 'remove', selector: evt.selector });
        }
    };
    return Receiver;
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = Receiver;