Current File : //proc/309157/root/home/waritko/yacy/htroot/js/IndexReIndexMonitor.js
/*
* @licstart The following is the entire license notice for the
* JavaScript code in this file.
*
* Copyright (C) 2018 by luccioman; https://github.com/luccioman
*
*
* This file is part of YaCy.
*
* YaCy is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* YaCy 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with YaCy. If not, see <http://www.gnu.org/licenses/>.
*
* @licend The above is the entire license notice
* for the JavaScript code in this file.
*/
/* This is JavaScript for the IndexReIndexMonitor_p.html page */
var REFRESH_DELAY = 5000;
var TERMINATED_STATUS = 2;
var xhr = null;
if (window.XMLHttpRequest) {
if(window.JSON && window.JSON.parse) {
xhr = new XMLHttpRequest();
} else {
console.warn("JSON parsing is not supported by the browser.");
}
} else {
console.warn("XMLHttpRequest is not supported by the browser.");
}
/**
* Once DOM is fully loaded, handle eventual reindex and recrawl jobs reports
* refreshing
*/
function domLoaded() {
/* Get the DOM elements to be refreshed */
var earlyRecrawlTerminationElem = document.getElementById("earlyRecrawlTermination");
var recrawlStatusElem = document.getElementById("recrawlStatus");
var recrawlQueryTextElem = document.getElementById("recrawlQueryText");
var recrawlStartTimeElem = document.getElementById("recrawlStartTime");
var recrawlEndTimeElem = document.getElementById("recrawlEndTime");
var urlsToRecrawlCountElem = document.getElementById("urlsToRecrawlCount");
var recrawledUrlsCountElem = document.getElementById("recrawledUrlsCount");
var rejectedUrlsCountElem = document.getElementById("rejectedUrlsCount");
var malformedUrlsCountElem = document.getElementById("malformedUrlsCount");
var refreshingIcon = document.getElementById("refreshingIcon");
var refreshFailureIcon = document.getElementById("refreshFailureIcon");
var refreshBtn = document.getElementById("recrawlRefreshBtn");
if (recrawlStatusElem != null && recrawlStatusElem.dataset != null) {
/* Initialize status labels that may be translated in the html template */
var recrawlStatusLabels = {};
if(recrawlStatusElem.dataset.status0 != null) {
recrawlStatusLabels["0"] = recrawlStatusElem.dataset.status0;
}
if(recrawlStatusElem.dataset.status1 != null) {
recrawlStatusLabels["1"] = recrawlStatusElem.dataset.status1;
}
if(recrawlStatusElem.dataset.status2 != null) {
recrawlStatusLabels["2"] = recrawlStatusElem.dataset.status2;
}
if (recrawlStatusElem.dataset.status != TERMINATED_STATUS) {
/* Update a DOM element when it exists */
var updateElemText = function(elem, newValue) {
if (newValue != null && elem != null) {
elem.innerText = newValue;
}
}
/* Handle failure to fetch fresh report information */
var handleFetchReportError = function() {
/* Hide the icon marking automated refresh, but keep the manual refresh button */
if(refreshingIcon != null) {
refreshingIcon.className = "hidden";
}
/* Display the icon informing user about failure on automated report refresh */
if(refreshFailureIcon != null && refreshFailureIcon.className != null) {
refreshFailureIcon.className = refreshFailureIcon.className.replace("hidden", "");
}
}
/* Update report DOM elements with the fetched report information */
var updateReportElements = function(report) {
recrawlStatusElem.dataset.status = report.status;
if (recrawlStatusLabels[report.status] != null) {
/* Use the eventually translated status label when available */
updateElemText(recrawlStatusElem, recrawlStatusLabels[report.status]);
} else if(report.statusLabel != null) {
/* Otherwise use the default one provided in the json response */
updateElemText(recrawlStatusElem, report.statusLabel);
}
if(report.earlyTerminated) {
if(earlyRecrawlTerminationElem != null && earlyRecrawlTerminationElem.className != null) {
earlyRecrawlTerminationElem.className = earlyRecrawlTerminationElem.className.replace("hidden", "");
}
}
updateElemText(recrawlQueryTextElem, report.query);
updateElemText(recrawlStartTimeElem,
report.startTime);
updateElemText(recrawlEndTimeElem, report.endTime);
if (report.urlCounts != null) {
updateElemText(urlsToRecrawlCountElem,
report.urlCounts.toRecrawl);
updateElemText(recrawledUrlsCountElem,
report.urlCounts.recrawled);
updateElemText(rejectedUrlsCountElem,
report.urlCounts.rejected);
updateElemText(malformedUrlsCountElem,
report.urlCounts.malformed);
if (report.urlCounts.malformedDeleted != null
&& malformedUrlsCountElem != null) {
malformedUrlsCountElem.title = malformedUrlsCountElem.title
.replace(/\d+/,
report.urlCounts.malformedDeleted);
}
}
}
/* Processing the response from IndexReIndexMonitor_p.json */
var handleResponse = function() {
if (xhr.readyState == 4 /* XMLHttpRequest.DONE */) {
if (xhr.status != 200 || xhr.response == null) {
handleFetchReportError();
return;
}
var report = null;
try {
var jsonResponse = window.JSON.parse(xhr.response);
if (jsonResponse != null) {
report = jsonResponse.recrawlJob;
}
} catch(error) {
console.error("JSON parsing error ", error);
}
if (report == null || report.status == null) {
handleFetchReportError();
return;
}
updateReportElements(report);
if(report.status == TERMINATED_STATUS) {
/* First hide the icon marking automated refresh and the manual refresh button */
if(refreshingIcon != null) {
refreshingIcon.className = "hidden";
}
if(refreshBtn != null) {
refreshBtn.className = "hidden";
}
/*
* Then if the update fieldset is displayed, completely refresh the page to display again the
* new recrawl job fieldset
*/
if(document.getElementById("updateJobFieldset") != null) {
window.location.href = "IndexReIndexMonitor_p.html";
}
} else {
/*
* Continue refreshing while the job is not
* terminated
*/
window.setTimeout(function() {
xhr.onreadystatechange = handleResponse;
xhr.open("get", "IndexReIndexMonitor_p.json");
xhr.send();
}, REFRESH_DELAY);
}
}
};
/*
* We are here so JavaScript is enabled and required API are supported :
* we can show the refreshing icon if the element is present
*/
if(refreshingIcon != null && refreshingIcon.className != null) {
refreshingIcon.className = refreshingIcon.className.replace("hidden", "");
}
window.setTimeout(function() {
xhr.onreadystatechange = handleResponse;
xhr.open("get", "IndexReIndexMonitor_p.json");
xhr.send();
}, REFRESH_DELAY);
}
}
}
if (xhr != null) {
window.onload = domLoaded;
}
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