Stackedit/public/res/helpers/wordpressHelper.js

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define([
"jquery",
"core",
"utils",
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"eventMgr",
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"classes/AsyncTask"
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], function($, core, utils, eventMgr, AsyncTask) {
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var token = undefined;
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var wordpressHelper = {};
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// Listen to offline status changes
var isOffline = false;
eventMgr.addListener("onOfflineChanged", function(isOfflineParam) {
isOffline = isOfflineParam;
});
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// Only used to check the offline status
function connect(task) {
task.onRun(function() {
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if(isOffline === true) {
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task.error(new Error("Operation not available in offline mode.|stopPublish"));
return;
}
task.chain();
});
}
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// Try to authenticate with OAuth
function authenticate(task) {
var authWindow = undefined;
var intervalId = undefined;
task.onRun(function() {
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token = localStorage.wordpressToken;
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if(token !== undefined) {
task.chain();
return;
}
var errorMsg = "Failed to retrieve a token from Wordpress.";
// We add time for user to enter his credentials
task.timeout = ASYNC_TASK_LONG_TIMEOUT;
var code = undefined;
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function oauthRedirect() {
core.oauthRedirect('WordPress', function() {
task.chain(getCode);
});
}
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function getCode() {
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eventMgr.onMessage("Please make sure the Wordpress authorization popup is not blocked by your browser.");
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localStorage.removeItem("wordpressCode");
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authWindow = utils.popupWindow('html/wordpress-oauth-client.html?client_id=' + WORDPRESS_CLIENT_ID, 'stackedit-wordpress-oauth', 960, 600);
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authWindow.focus();
intervalId = setInterval(function() {
if(authWindow.closed === true) {
clearInterval(intervalId);
authWindow = undefined;
intervalId = undefined;
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code = localStorage.wordpressCode;
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if(code === undefined) {
task.error(new Error(errorMsg));
return;
}
localStorage.removeItem("wordpressCode");
task.chain(getToken);
}
}, 500);
}
function getToken() {
$.getJSON(WORDPRESS_PROXY_URL + "authenticate/" + code, function(data) {
if(data.token !== undefined) {
token = data.token;
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localStorage.wordpressToken = token;
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task.chain();
}
else {
task.error(new Error(errorMsg));
}
});
}
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task.chain(oauthRedirect);
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});
task.onError(function() {
if(intervalId !== undefined) {
clearInterval(intervalId);
}
if(authWindow !== undefined) {
authWindow.close();
}
});
}
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wordpressHelper.upload = function(site, postId, tags, title, content, callback) {
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var task = new AsyncTask();
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connect(task);
authenticate(task);
task.onRun(function() {
var url = WORDPRESS_PROXY_URL + "post";
var data = {
token: token,
site: site,
postId: postId,
tags: tags,
title: title,
content: content
};
$.ajax({
url: url,
data: data,
type: "POST",
dataType: "json",
timeout: AJAX_TIMEOUT
}).done(function(response, textStatus, jqXHR) {
if(response.body.ID) {
postId = response.body.ID;
task.chain();
return;
}
var error = {
code: response.code,
message: response.body.error
};
// Handle error
if(error.code === 404) {
if(error.message == "unknown_blog") {
error = 'Site "' + site + '" not found on WordPress.|removePublish';
}
else if(error.message == "unknown_post") {
error = 'Post ' + postId + ' not found on WordPress.|removePublish';
}
}
handleError(error, task);
}).fail(function(jqXHR) {
var error = {
code: jqXHR.status,
message: jqXHR.statusText
};
handleError(error, task);
});
});
task.onSuccess(function() {
callback(undefined, postId);
});
task.onError(function(error) {
callback(error);
});
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task.enqueue();
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};
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function handleError(error, task) {
var errorMsg = undefined;
if(error) {
logger.error(error);
// Try to analyze the error
if(typeof error === "string") {
errorMsg = error;
}
else {
errorMsg = "Could not publish on WordPress.";
if((error.code === 400 && error.message == "invalid_token") || error.code === 401 || error.code === 403) {
localStorage.removeItem("wordpressToken");
errorMsg = "Access to WordPress account is not authorized.";
task.retry(new Error(errorMsg), 1);
return;
}
else if(error.code <= 0) {
core.setOffline();
errorMsg = "|stopPublish";
}
}
}
task.error(new Error(errorMsg));
}
return wordpressHelper;
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});