115 lines
3.4 KiB
JavaScript
115 lines
3.4 KiB
JavaScript
/**
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* Contains ClientDataProxy class
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*
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* Copyright (C) 2017 R-T Specialty, LLC.
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*
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* This file is part of the Liza Data Collection Framework.
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*
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* liza is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @todo This has hard-coded references to the ``quote server'' and LoVullo
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*/
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var Class = require( 'easejs' ).Class,
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JqueryHttpDataProxy = require( './proxy/JqueryHttpDataProxy' );
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/**
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* Handles additional processing before passing HTTP request off to the
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* requester
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*/
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module.exports = Class( 'ClientDataProxy' )
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.extend( JqueryHttpDataProxy,
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{
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/**
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* Log error (if any) and process data before returning the parent's GET
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* request
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*
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* @param {string} url request URL
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* @param {function( Object, * }) callback request callback (success or
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* failure)
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*
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* @return {ClientDataProxy} self
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*/
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'protected override getData': function( url, callback )
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{
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var _self = this;
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this.__super( url, function( data, err )
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{
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if ( err )
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{
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console.error( 'XHR GET Error: (%s) %s', url, err );
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}
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callback( _self._processData( data ), err );
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} );
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return this;
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},
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/**
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* Log error (if any) and process data before returning the parent's POST
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* request
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*
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* @param {string} url request URL
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* @param {Object} data data to post to server
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* @param {function( Object, * }) callback request callback (success or
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* failure)
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*
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* @return {ClientDataProxy} self
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*/
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'protected override postData': function( url, data, callback )
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{
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var _self = this;
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this.__super( url, data, function( data, err )
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{
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if ( err )
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{
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console.error( 'XHR POST Error: (%s) %s', url, err );
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}
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callback( _self._processData( data ), err );
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} );
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},
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/**
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* Basic data post-processing
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*
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* If the response is empty/doesn't make sense, this will generate a
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* generic error.
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*
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* @param {Object} data response data
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*
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* @return processed data
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*/
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'private _processData': function( data )
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{
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// if the data is null, then we didn't actually get a response from the
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// server - rather, the response was empty (that's bad!)
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data = data || {
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hasError: true,
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content: 'There was a problem communicating with the quote ' +
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'server. If you continue to receive this message, please ' +
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'contact RT Specialty / LoVullo for assistance.'
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};
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return data;
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}
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} );
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