fuel-web/nailgun/static/utils.js

357 lines
16 KiB
JavaScript

/*
* Copyright 2013 Mirantis, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. You may obtain
* a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
**/
define([
'require',
'jquery',
'underscore',
'i18n',
'backbone',
'classnames',
'expression',
'expression/objects',
'react'
], function(require, $, _, i18n, Backbone, classNames, Expression, expressionObjects, React) {
'use strict';
var utils = {
regexes: {
url: /(?:https?:\/\/([\-\w\.]+)+(:\d+)?(\/([\w\/_\-\.]*(\?[\w\/_\-\.&%]*)?(#[\w\/_\-\.&%]*)?)?)?)/,
ip: /^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$/,
mac: /^([0-9a-f]{1,2}[\.:-]){5}([0-9a-f]{1,2})$/,
cidr: /^(?:(?:[0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}(?:[0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\/([1-9]|[1-2]\d|3[0-2])$/
},
serializeTabOptions: function(options) {
return _.map(options, function(value, key) {
return key + ':' + value;
}).join(';');
},
deserializeTabOptions: function(serializedOptions) {
return _.object(_.map(serializedOptions.split(';'), function(option) {
return option.split(':');
}));
},
linebreaks: function(text) {
return text.replace(/\n/g, '<br/>');
},
composeLink: function(url) {
return '<a target="_blank" href="' + url + '">' + url + '</a>';
},
urlify: function(text) {
return utils.linebreaks(text).replace(new RegExp(utils.regexes.url.source, 'g'), utils.composeLink);
},
composeList: function(value) {
return _.isUndefined(value) ? [] : _.isArray(value) ? value : [value];
},
classNames: classNames,
parseModelPath: function(path, models) {
var modelPath = new expressionObjects.ModelPath(path);
modelPath.setModel(models);
return modelPath;
},
evaluateExpression: function(expression, models, options) {
var compiledExpression = new Expression(expression, models, options),
value = compiledExpression.evaluate();
return {
value: value,
modelPaths: compiledExpression.modelPaths
};
},
expandRestriction: function(restriction) {
var result = {
action: 'disable',
message: null
};
if (_.isString(restriction)) {
result.condition = restriction;
} else if (_.isPlainObject(restriction)) {
if (_.has(restriction, 'condition')) {
_.extend(result, restriction);
} else {
result.condition = _.keys(restriction)[0];
result.message = _.values(restriction)[0];
}
} else {
throw new Error('Invalid restriction format');
}
return result;
},
universalMount: function(ViewConstructor, options, el, parentView) {
if (ViewConstructor.prototype instanceof Backbone.View) {
var view = new ViewConstructor(options);
view.render();
if (el) {
$(el).html(view.el);
}
if (parentView) {
parentView.registerSubView(view);
}
return view;
} else {
var node = $(el)[0];
var mountedComponent = React.render(React.createElement(ViewConstructor, options), node);
// FIXME(vkramskikh): we need to store node to which
// we mounted the component since it is not always
// possible to determine the node: if render() returns
// null, getDOMNode() also returns null
mountedComponent._mountNode = node;
return mountedComponent;
}
},
universalUnmount: function(view) {
if (view instanceof Backbone.View) {
view.tearDown();
} else {
React.unmountComponentAtNode(view._mountNode || view.getDOMNode().parentNode);
}
},
showErrorDialog: function(options) {
var dialogs = require('jsx!views/dialogs'); // avoid circular dependencies
options.message = options.response ? utils.getResponseText(options.response) :
options.message || i18n('dialog.error_dialog.warning');
dialogs.ErrorDialog.show(options);
},
showBandwidth: function(bandwidth) {
bandwidth = parseInt(bandwidth, 10);
if (!_.isNumber(bandwidth) || _.isNaN(bandwidth)) {return i18n('common.not_available');}
return (bandwidth / 1000).toFixed(1) + ' Gbps';
},
showFrequency: function(frequency) {
frequency = parseInt(frequency, 10);
if (!_.isNumber(frequency) || _.isNaN(frequency)) {return i18n('common.not_available');}
var base = 1000;
var treshold = 1000;
return (frequency >= treshold ? (frequency / base).toFixed(2) + ' GHz' : frequency + ' MHz');
},
showSize: function(bytes, treshold) {
bytes = parseInt(bytes, 10);
if (!_.isNumber(bytes) || _.isNaN(bytes)) {return i18n('common.not_available');}
var base = 1024;
treshold = treshold || 256;
var units = ['byte', 'kb', 'mb', 'gb', 'tb'];
var i, result, unit = 'tb';
for (i = 0; i < units.length; i += 1) {
result = bytes / Math.pow(base, i);
if (result < treshold) {
unit = units[i];
break;
}
}
return (result ? result.toFixed(1) : result) + ' ' + i18n('common.size.' + unit, {count: result});
},
showMemorySize: function(bytes) {
return utils.showSize(bytes, 1024);
},
showDiskSize: function(value, power) {
power = power || 0;
return utils.showSize(value * Math.pow(1024, power));
},
calculateNetworkSize: function(cidr) {
return Math.pow(2, 32 - parseInt(_.last(cidr.split('/')), 10));
},
formatNumber: function(n) {
return String(n).replace(/\d/g, function(c, i, a) {
return i > 0 && c !== '.' && (a.length - i) % 3 === 0 ? ',' + c : c;
});
},
floor: function(n, decimals) {
return Math.floor(n * Math.pow(10, decimals)) / Math.pow(10, decimals);
},
isNaturalNumber: function(n) {
return _.isNumber(n) && n > 0 && n % 1 === 0;
},
validateVlan: function(vlan, forbiddenVlans, field, disallowNullValue) {
var error = {};
if ((_.isNull(vlan) && disallowNullValue) || (!_.isNull(vlan) && (!utils.isNaturalNumber(vlan) || vlan < 1 || vlan > 4094))) {
error[field] = i18n('cluster_page.network_tab.validation.invalid_vlan');
return error;
}
if (_.contains(_.compact(forbiddenVlans), vlan)) {
error[field] = i18n('cluster_page.network_tab.validation.forbidden_vlan');
}
return error[field] ? error : {};
},
validateCidr: function(cidr, field) {
field = field || 'cidr';
var error = {}, match;
if (_.isString(cidr)) {
match = cidr.match(utils.regexes.cidr);
if (match) {
var prefix = parseInt(match[1], 10);
if (prefix < 2) {
error[field] = i18n('cluster_page.network_tab.validation.large_network');
} else if (prefix > 30) {
error[field] = i18n('cluster_page.network_tab.validation.small_network');
}
} else {
error[field] = i18n('cluster_page.network_tab.validation.invalid_cidr');
}
} else {
error[field] = i18n('cluster_page.network_tab.validation.invalid_cidr');
}
return error[field] ? error : {};
},
validateIP: function(ip) {
return !_.isString(ip) || !ip.match(utils.regexes.ip);
},
validateIPrange: function(startIP, endIP) {
return utils.ipIntRepresentation(startIP) - utils.ipIntRepresentation(endIP) <= 0;
},
validateIpRanges: function(ranges, cidr) {
var ipRangesErrors = [];
if (_.filter(ranges, function(range) {return _.compact(range).length;}).length) {
_.each(ranges, function(range, i) {
if (range[0] || range[1]) {
var error = {index: i};
if (utils.validateIP(range[0]) || !utils.validateIpCorrespondsToCIDR(cidr, range[0])) {
error.start = i18n('cluster_page.network_tab.validation.invalid_ip_start');
} else if (utils.validateIP(range[1]) || !utils.validateIpCorrespondsToCIDR(cidr, range[1])) {
error.end = i18n('cluster_page.network_tab.validation.invalid_ip_end');
} else if (!utils.validateIPrange(range[0], range[1])) {
error.start = i18n('cluster_page.network_tab.validation.invalid_ip_range');
}
if (error.start || error.end) {
ipRangesErrors.push(error);
}
}
});
} else {
ipRangesErrors.push({index: 0, start: i18n('cluster_page.network_tab.validation.empty_ip_range')});
}
return ipRangesErrors;
},
ipIntRepresentation: function(ip) {
return _.reduce(ip.split('.'), function(sum, octet, index) {return sum + octet * Math.pow(256, 3 - index);}, 0);
},
validateIpCorrespondsToCIDR: function(cidr, ip) {
var result = true;
if (cidr) {
/* jshint bitwise: false */
var networkAddressToInt = utils.ipIntRepresentation(cidr.split('/')[0]);
var netmask = ~((Math.pow(2, 32) - 1) >>> cidr.split('/')[1]);
var ipToInt = utils.ipIntRepresentation(ip);
result = (networkAddressToInt & netmask).toString(16) == (ipToInt & netmask).toString(16);
/* jshint bitwise: true */
}
return result;
},
validateVlanRange: function(vlanStart, vlanEnd, vlan) {
return vlan >= vlanStart && vlan <= vlanEnd;
},
sortEntryProperties: function(entry, sortOrder) {
sortOrder = sortOrder || ['name'];
var properties = _.keys(entry);
return _.sortBy(properties, function(property) {
var index = _.indexOf(sortOrder, property);
return index == -1 ? properties.length : index;
});
},
getResponseText: function(response) {
var defaultMessage = i18n('dialog.error_dialog.warning');
if (response && response.status >= 400) {
if (response.status == 500) return defaultMessage;
// parsing new backend response format in responseText
response = response.responseText || response;
try {
response = JSON.parse(response);
return response.message || defaultMessage;
} catch (exception) {
return defaultMessage;
}
}
return '';
},
// Natural sorting, code taken from
// https://github.com/javve/natural-sort
// options:
// insensitive (bool, default=false) -- case insensitive iff true
// desc (bool, default=false) -- sort in descending order iff true
natsort: function(str1, str2, options) {
options = options || {};
var re = /(^-?[0-9]+(\.?[0-9]*)[df]?e?[0-9]?$|^0x[0-9a-f]+$|[0-9]+)/gi,
// whitestring token regexp
sre = /(^[ ]*|[ ]*$)/g,
// date regexp
dre = /(^([\w ]+,?[\w ]+)?[\w ]+,?[\w ]+\d+:\d+(:\d+)?[\w ]?|^\d{1,4}[\/\-]\d{1,4}[\/\-]\d{1,4}|^\w+, \w+ \d+, \d{4})/,
// hex regexp
hre = /^0x[0-9a-f]+$/i,
ore = /^0/,
caseInsensitive = function(s) {return options.insensitive && s.toLowerCase() || s;},
// convert all to strings strip whitespace
caseInsensitive1 = caseInsensitive(str1).replace(sre, '') || '',
caseInsensitive2 = caseInsensitive(str2).replace(sre, '') || '',
// chunk/tokenize
chunks1 = caseInsensitive1.replace(re, '\0$1\0').replace(/\0$/, '').replace(/^\0/, '').split('\0'),
chunks2 = caseInsensitive2.replace(re, '\0$1\0').replace(/\0$/, '').replace(/^\0/, '').split('\0'),
// numeric, hex or date detection
detect1 = parseInt(caseInsensitive1.match(hre)) || (chunks1.length != 1 && caseInsensitive1.match(dre) && Date.parse(caseInsensitive1)),
detect2 = parseInt(caseInsensitive2.match(hre)) || detect1 && caseInsensitive2.match(dre) && Date.parse(caseInsensitive2) || null,
numerical1, numerical2,
mult = options.desc ? -1 : 1;
// first try and sort Hex codes or Dates
if (detect2)
if (detect1 < detect2) return -1 * mult;
if (detect1 > detect2) return 1 * mult;
// natural sorting through split numeric strings and default strings
for (var cLoc = 0, numS = Math.max(chunks1.length, chunks2.length); cLoc < numS; cLoc++) {
// find floats not starting with '0', string or 0 if not defined (Clint Priest)
numerical1 = !(chunks1[cLoc] || '').match(ore) && parseFloat(chunks1[cLoc]) || chunks1[cLoc] || 0;
numerical2 = !(chunks2[cLoc] || '').match(ore) && parseFloat(chunks2[cLoc]) || chunks2[cLoc] || 0;
// handle numeric vs string comparison - number < string - (Kyle Adams)
if (isNaN(numerical1) !== isNaN(numerical2)) {
return (isNaN(numerical1)) ? 1 : -1;
}
// rely on string comparison if different types - i.e. '02' < 2 != '02' < '2'
if (typeof numerical1 !== typeof numerical2) {
numerical1 += '';
numerical2 += '';
}
if (numerical1 < numerical2) return -1 * mult;
if (numerical1 > numerical2) return 1 * mult;
}
return 0;
},
multiSort: function(model1, model2, attributes) {
var result = utils.compare(model1, model2, attributes[0]);
if (result === 0 && attributes.length > 1) {
attributes.splice(0, 1);
result = utils.multiSort(model1, model2, attributes);
}
return result;
},
compare: function(model1, model2, options) {
var getValue = function(model) {
var attr = options.attr;
return _.isFunction(model[attr]) ? model[attr]() : model.get(attr);
};
var model1Value = getValue(model1),
model2Value = getValue(model2);
if (_.isString(model1Value) && _.isString(model1Value)) {
return utils.natsort(model1Value, model2Value, options);
}
var result;
if (_.isNumber(model1Value) && _.isNumber(model1Value)) {
result = model1Value - model2Value;
} else {
result = !model1Value && !model2Value ? 0 : !model1Value ? 1 : -1;
}
return options.desc ? -result : result;
}
};
return utils;
});