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/**
* Utility class for batch processing
*/
class JBDBatch {
/**
* Constructor
*/
constructor() {
this.controller = "";
this.incremental = 0;
this.resume = 0;
this.batchSize = 100;
this.offset = 0;
this.progress = 0;
this.reload = false;
this.totalItems = 0;
}
/**
* Initialize the index process
*/
initialize(controller, task, incremental) {
this.controller = controller;
this.incremental = incremental;
this.offset = 0;
this.progress = 0;
this.runTask(task);
}
/**
* Call the Indexer
*
* @param {
* } task
*/
runTask(task) {
let baseUrl = jbdUtils.getAjaxUrl(task, this.controller);
baseUrl = baseUrl + '&' + jQuery('#jbd-indexer-token').attr('name') + '=1';
let self = this;
jQuery.ajax({
type: "GET",
url: baseUrl,
data: { incremental: this.incremental, offset: self.offset },
success: self.processResponse,
error: self.processFailure,
cache: false
});
}
/**
* Process indexere reponse
*
* @param {*} data
* @param {*} resp
*/
processResponse(data, resp) {
try {
if (data === null) {
throw resp;
}
if (data.error) {
throw data;
}
if (data.start) {
jbdBatch.totalItems = data.totalItems;
}
jbdBatch.offset = data.batchOffset;
jbdBatch.updateProgress(data.header, data.message);
if (jbdBatch.offset < jbdBatch.totalItems) {
jbdBatch.runTask('processBatch');
} else if (!jbdBatch.reload) {
jbdBatch.reload = true;
setTimeout(function() {
//location.reload();
}, 3000);
}
} catch (error) {
jQuery('#progress').remove();
if (data.error) {
jQuery('#jbd-progress-title').text(data.header).addClass('finder-error');
jQuery('#jbd-progress-message').html(data.message).addClass('finder-error');
}
return false;
}
return true;
};
/**
* Handle the failure cases
*
* @param xhr
*/
processFailure(xhr) {
let data = (typeof xhr == 'object' && xhr.responseText) ? xhr.responseText : null;
data = data ? jQuery.parseJSON(data) : null;
jQuery('#progress').remove();
if (data) {
data = data.responseText != null ? Json.evaluate(data.responseText, true) : data;
}
var header = data ? data.header : Joomla.JText._('LNG_AN_ERROR_HAS_OCCURED');
var message = data ? data.message : Joomla.JText._('LNG_MESSAGE_RETRIEVED') + ' <br />' + data;
jQuery('#jbd-progress-title').text(header).addClass('finder-error');
jQuery('#jbd-progress-message').html(message).addClass('finder-error');
};
/**
* Update the progress of the index process
*
* @param {*} header
* @param {*} message
*/
updateProgress(header, message) {
let progress = (jbdBatch.offset / jbdBatch.totalItems) * 100;
jQuery('#jbd-progress-title').text(header);
jQuery('#jbd-progress-message').html(message+ " ( "+jbdBatch.offset+" / "+jbdBatch.totalItems+ " )");
if (progress < 100) {
jQuery('#progress-bar').css('width', progress + '%').attr('aria-valuenow', progress);
} else {
jQuery('#progress-bar').removeClass('bar-success').addClass('bar-warning').attr('aria-valuemin', 100).attr('aria-valuemax', 200);
jQuery('#progress-bar').css('width', progress + '%').attr('aria-valuenow', progress);
}
if (message == '') {
jQuery('#progress').remove();
}
};
};
let jbdBatch = new JBDBatch();