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;(function() {
"use strict";
BX.namespace("BX.Landing.Client");
var createSelectionRange = BX.Landing.Utils.createSelectionRange;
var wrapSelection = BX.Landing.Utils.wrapSelection;
var STATUS_OK = "ok";
var STATUS_FAIL = "fail";
var STATUS_PENDING = "pending";
/**
* Implements Glavred API client interface
* Implements singleton design pattern
* @constructor
*/
BX.Landing.Client.Glavred = function()
{
this.markupMatcher = new RegExp("(<span[^>]*class=\"glvrd-underline\"[^>]*>)(.+?)(<\\/span>)", "g");
this.serviceStatus = STATUS_PENDING;
this.proofStatus = STATUS_OK;
};
/**
* Gets client instance
* @static
* @returns {BX.Landing.Client.Glavred}
*/
BX.Landing.Client.Glavred.getInstance = function()
{
return (
BX.Landing.Client.Glavred.instance ||
(BX.Landing.Client.Glavred.instance = new BX.Landing.Client.Glavred())
);
};
BX.Landing.Client.Glavred.prototype = {
/**
* Checks service API status
* @return {Promise}
*/
getStatus: function()
{
return new Promise(function(resolve, reject) {
if (this.serviceStatus !== STATUS_OK)
{
top.glvrd.getStatus(function(response) {
if(response.status === STATUS_OK) {
resolve();
this.serviceStatus = STATUS_OK;
} else {
reject(response.message);
this.serviceStatus = STATUS_FAIL;
}
}.bind(this));
}
else
{
resolve();
}
}.bind(this));
},
/**
* Proofreads node text
* @param {HTMLElement} node
* @return {Promise<Number>} - Text score
*/
proofread: function(node)
{
return this.getStatus()
.then(function() {
return new Promise(function(resolve) {
top.glvrd.proofread(node.textContent, resolve);
})
})
.then(function(response) {
this.removeMarkup(node);
this.addMarkup(node, response);
return this.getScore(node.textContent, response.fragments);
}.bind(this));
},
/**
* Gets text score
* @param {string} text
* @param {object[]} fragments - Fragments from response
* @return {Promise<Number>}
*/
getScore: function(text, fragments)
{
return this.getStatus().then(function() {
return top.glvrd.getScore({text: text, fragments: fragments});
});
},
/**
* Adds markup
* @param {HTMLElement} node
* @param {object} response - glvrd.proofread response
*/
addMarkup: function(node, response)
{
response.fragments.forEach(function(fragment) {
var range = createSelectionRange(node, fragment.start, fragment.end);
var element = BX.create("span", {props: {className: "glvrd-underline"}});
wrapSelection(element, range);
element.addEventListener("mouseenter", function() {
BX.Landing.UI.Tool.Suggest.getInstance().show(this, fragment.hint);
});
}.bind(this));
},
/**
* Removes all Glavred markup
*/
removeMarkup: function(node)
{
node.innerHTML = node.innerHTML.replace(this.markupMatcher, "$2");
node.innerHTML = node.innerHTML.replace(this.markupMatcher, "$2");
}
};
})();