/
upgrader.js
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/
upgrader.js
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/**
* Javascript that takes care of running batch upgrades
*
* WARNING: API IN FLUX. DO NOT USE DIRECTLY.
*
* @internal
*
* @since 3.0.0
*/
define(['jquery', 'elgg', 'elgg/Ajax', 'elgg/spinner', 'elgg/popup', 'jquery-ui/widgets/progressbar'], function($, elgg, Ajax, spinner, popup) {
var UNKNOWN_COUNT = -1;
var upgrades = $('.elgg-item-object-elgg_upgrade');
var upgrade;
var guid;
var progressbar;
var upgradeStartTime;
var timer;
var counter;
var percent;
var errorCounter;
var errorMessages = [];
var numSuccess;
var numError;
var numProcessed = 0;
var total;
var messages = [];
var messageList;
var percentage = 0;
// used to fake the progressbar if we don't know the total
var FAKE_TOTAL = 1000000;
var fakeDone = 0;
/**
* Runs all individual upgrades one at a time
*
* @param {Object} event Event object
*/
function run(event) {
event.preventDefault();
// Replace button with spinner when upgrade starts
$('#elgg-upgrades-run').addClass('hidden');
spinner.start();
upgrade = upgrades.first();
runUpgrade();
return false;
}
/**
* Run a single upgrade
*/
function runSingle() {
var guid = $(this).data().guid;
if (!$('#elgg-object-' + guid).length) {
return;
}
spinner.start();
upgrade = $('#elgg-object-' + guid);
runUpgrade(false);
popup.close();
}
/**
* Takes care of processing a single upgrade in multiple batches
*
* @param bool advanceToNextWhenDone when the upgrade is done shoul it continue to the next available
*/
function runUpgrade(advanceToNextWhenDone) {
if (typeof advanceToNextWhenDone !== 'boolean') {
// IE doesn't support default function params
advanceToNextWhenDone = true;
}
upgrade = $(upgrade);
progressbar = upgrade.find('.elgg-progressbar');
counter = upgrade.find('.upgrade-counter');
percent = upgrade.find('.upgrade-percent');
timer = upgrade.find('.upgrade-timer');
messageList = upgrade.find('.upgrade-messages');
errorCounter = upgrade.find('.upgrade-error-counter');
data = upgrade.find('.upgrade-data');
// The total amount of items to be upgraded
total = data.attr('data-total');
// Get the GUID from the element id: elgg-object-123
guid = upgrade.attr('id').replace('elgg-object-', '');
// Initialize progressbar
$(upgrade).find('.elgg-progressbar').progressbar({
value: 0,
max: (total == UNKNOWN_COUNT) ? FAKE_TOTAL : total
});
upgradeStartTime = new Date().getTime();
percentage = 0;
processBatch(advanceToNextWhenDone);
}
/**
* Takes care of upgrading a single batch of items
*
* @param bool advanceToNextWhenDone when the upgrade is done shoul it continue to the next available
*/
function processBatch(advanceToNextWhenDone) {
if (typeof advanceToNextWhenDone !== 'boolean') {
// IE doesn't support default function params
advanceToNextWhenDone = true;
}
var options = {
data: {
guid: guid
},
error: function(result) {
// Append possible errors after the progressbar
if (result.system_messages.error.length) {
// Display only the errors that haven't already been shown
$(result.error).each(function(key, message) {
if ($.inArray(message, errorMessages) === -1) {
var msg = '<li>' + message + '</li>';
messageList.append(msg);
messages.push(message);
}
});
}
$(result.errors).each(function(key, message) {
var msg = '<li>' + message + '</li>';
messageList.append(msg);
messages.push(message);
});
},
success: function(result) {
numSuccess = parseInt(result.numSuccess);
numError = parseInt(result.numErrors);
numProcessed += (numSuccess + numError);
// Increase success statistics
if (total == UNKNOWN_COUNT) {
counter.text(numProcessed + '/???');
} else {
counter.text(numProcessed + '/' + total);
}
// Increase the progress bar
if (total == UNKNOWN_COUNT) {
fakeDone = Math.round(FAKE_TOTAL - (FAKE_TOTAL - fakeDone) / 2);
progressbar.progressbar({value: fakeDone});
} else {
percentage = parseInt(numProcessed * 100 / total);
progressbar.progressbar({value: numProcessed});
}
if (numError > 0) {
errorCounter
.text(elgg.echo('upgrade:error_count', [messages.length]))
.css('color', 'red');
}
updateCounter();
var done;
if (total == UNKNOWN_COUNT) {
done = result.isComplete;
} else {
done = numProcessed >= total;
}
if (done) {
if (numError > 0) {
// Upgrade finished with errors. Give instructions on how to proceed.
elgg.register_error(elgg.echo('upgrade:finished_with_errors'));
}
if (total == UNKNOWN_COUNT) {
counter.text(numProcessed + '/' + numProcessed);
progressbar.progressbar({value: FAKE_TOTAL});
}
// Increase percentage
percent.html('100%');
// Reset all counters
numSuccess = numError = numProcessed = percentage = 0;
messages = [];
if (advanceToNextWhenDone) {
// Get next upgrade
upgrade = upgrade.next();
} else {
upgrade = '';
}
if (upgrade.length) {
// Continue to next upgrade
runUpgrade(advanceToNextWhenDone);
} else {
spinner.stop();
}
return;
}
// carry on...
if (total != UNKNOWN_COUNT) {
percentage = parseInt(numProcessed * 100 / total);
// Increase percentage
percent.html(percentage + '%');
}
// Start next upgrade call
processBatch(advanceToNextWhenDone);
}
};
var ajax = new Ajax(false);
return ajax.action('admin/upgrade', options);
}
/**
* Displays estimated amount of time needed for a single upgrade to finish
*/
function updateCounter() {
var now = new Date().getTime();
// How many milliseconds ago the last batch was started
var difference = (now - upgradeStartTime) / 1000;
// How many items are waiting to be processed
var unProcessed = total - numProcessed;
var timeLeft = Math.round((difference / numProcessed) * unProcessed);
if (timeLeft < 60) {
var hours = '00';
var minutes = '00';
var seconds = timeLeft;
} else {
if (timeLeft < 3600) {
var minutes = Math.floor(timeLeft / 60);
var seconds = timeLeft % 60;
var hours = '00';
} else {
var hours = Math.floor(timeLeft / 3600);
var timeLeft = timeLeft % 3600;
var minutes = Math.floor(timeLeft / 60);
var seconds = timeLeft % 60;
}
}
hours = formatDigits(hours);
minutes = formatDigits(minutes);
seconds = formatDigits(seconds);
var value = hours + ':' + minutes + ':' + seconds;
timer.html(value);
}
/**
* Rounds hours, minutes or seconds and adds a leading zero if necessary
*
* @param {String} time
* @return {String} time
*/
function formatDigits(time) {
time = Math.floor(time);
if (time < 1) {
return '00';
}
if (time < 10) {
return '0' + time;
}
return time;
}
// Display the button only if there are pending upgrades
if ($('.elgg-item-object-elgg_upgrade').length) {
$('#elgg-upgrades-run').removeClass('hidden').click(run);
}
$(document).on('click', '.elgg-menu-item-run-upgrade > a', runSingle);
upgrades.each(function(key, value) {
// Initialize progressbar
$(value).find('.elgg-progressbar').progressbar();
});
});