mirror of
https://github.com/wassname/Mostly-Harmless.git
synced 2026-08-11 11:13:06 +08:00
Using an HTML 5 database instead of localStorage so I can cache data and store preferences in a more organized and quicker manner.
This commit is contained in:
Kerrick Long
@@ -1,3 +1,5 @@
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## Mostly Harmless ##
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This is an upcoming reddit extension for Google Chrome.
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1. It looks and functions just like reddit, but is API driven (I'm not just iframing reddit or anything).
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@@ -8,4 +10,8 @@ This is an upcoming reddit extension for Google Chrome.
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4. Once infobars come out of the expiremental API, I'll be implementing a UI similar to Socialite as well.
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5. I hope to open source this and get it officially endorsed by reddit in the same way Socialite and RedditAddict are.
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5. I hope to open source this and get it officially endorsed by reddit in the same way Socialite and RedditAddict are.
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## Known Issues ##
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* After clicking a vote icon, the state doesn't *appear* to change unless you hover over it again. This is a [known bug in Google Chrome](http://code.google.com/p/chromium/issues/detail?id=77246).
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+178
-70
@@ -1,13 +1,35 @@
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<script>
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var reddit_session = null;
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setBadgeDefaults();
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window.localStorage.clear();
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chrome.tabs.onUpdated.addListener(listenToTabs);
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chrome.tabs.onRemoved.addListener(cleanCache);
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chrome.cookies.get({url: 'http://reddit.com', name: 'reddit_session'}, function(cookie){
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reddit_session = cookie.value;
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console.log('cookie.value = ' + cookie.value);
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});
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var db = openDatabase('mhdb', '1.0', 'Mostly Harmless Database', 5 * 1024 * 1024);
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var cacheTime;
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var over18;
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init();
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function init() {
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setBadgeDefaults();
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chrome.tabs.onUpdated.addListener(listenToTabs);
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if(window.localStorage.getItem('installed') !== 'true') {
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installDefaults();
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}
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db.transaction(function(tx){
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tx.executeSql('SELECT * FROM prefs WHERE pref=?', ['cacheTime'], function(tx, results) {
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cacheTime = results.rows.item(0).choice;
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});
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tx.executeSql('SELECT * FROM prefs WHERE pref=?', ['over18'], function(tx, results) {
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over18 = results.rows.item(0).choice;
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});
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});
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}
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function installDefaults(tx) {
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window.localStorage.setItem('installed','true');
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db.transaction(function(tx) {
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tx.executeSql('CREATE TABLE IF NOT EXISTS cache (pageUrl unique, cacheTime, howManyPosts)');
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tx.executeSql('CREATE TABLE IF NOT EXISTS posts (id unique, name, likes, domain, subreddit, author, score, over_18, hidden, thumbnail, downs, permalink, created_utc, url, title, num_comments, ups, modhash)')
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tx.executeSql('CREATE TABLE IF NOT EXISTS prefs (pref unique, choice)');
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tx.executeSql('INSERT INTO prefs (pref, choice) VALUES (?, ?)', ['cacheTime','1']);
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tx.executeSql('INSERT INTO prefs (pref, choice) VALUES (?, ?)', ['over18','false']);
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});
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}
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function setBadgeDefaults(tabId) {
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chrome.browserAction.setBadgeBackgroundColor({
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@@ -32,83 +54,169 @@
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});
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}
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}
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function cleanCache() {
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// find old caches from localStorage and remove anything older than ___.
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}
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function listenToTabs(tabId,changeInfo,tab){
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if(changeInfo.status === 'loading') {
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grabData(tab.url,tabId);
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}
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}
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function grabData(url,tabId) {
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//check if the url has been cached recently
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if(window.localStorage.getItem(url) === null || JSON.parse(window.localStorage.getItem(url)).cachetime - new Date < -60000) {
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console.log('Loading from reddit api...');
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var reqUrl = 'http://www.reddit.com/api/info.json?url=' + encodeURI(url);
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var api = new XMLHttpRequest();
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api.open('GET',reqUrl,false);
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api.send(null);
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if(api.status !== 200) {
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console.error('Error loading API.\nURL: ' + reqUrl + '\nStatus: ' + api.status);
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console.log(api);
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setBadgeDefaults(tabId);
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}
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api.onload = prepareButton(JSON.parse(api.responseText),url,tabId);
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} else {
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console.log('Loading from cache...');
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prepareButton(JSON.parse(window.localStorage.getItem(url)).response,url,tabId);
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}
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// If the URL hasn't been cached recently, fetch it from the API.
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db.transaction(function(tx) {
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tx.executeSql('SELECT * FROM cache WHERE pageUrl=?', [url], function(tx, results) {
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var cache = results.rows;
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if(cache.length === 0 || -(cache.item(0).cacheTime - epoch()) > 60 * cacheTime ) { // cacheTime in minutes
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console.log('Loading from reddit api...');
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var reqUrl = 'http://www.reddit.com/api/info.json?url=' + encodeURI(url);
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var api = new XMLHttpRequest();
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api.open('GET',reqUrl,false);
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api.send(null);
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if(api.status !== 200) {
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console.error('Error loading API.\nURL: ' + reqUrl + '\nStatus: ' + api.status);
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console.log(api);
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setBadgeDefaults(tabId);
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}
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api.onload = cacheData(JSON.parse(api.responseText),url,tabId);
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} else {
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console.log('Loading from cache...');
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preparePopup(url,tabId);
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}
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});
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});
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}
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function prepareButton(response,pageUrl,tabId) {
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function epoch() {
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return Math.floor(new Date().getTime()/1000);
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}
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function cacheData(response,pageUrl,tabId) {
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// add response to cache to reduce API calls
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if(window.localStorage.getItem(pageUrl) === null || JSON.parse(window.localStorage.getItem(pageUrl)).cachetime - new Date < -60000) {
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var toCache = new Object();
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toCache.cachetime = new Date();
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toCache.response = response;
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window.localStorage.setItem(pageUrl,JSON.stringify(toCache));
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delete toCache;
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}
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// counts submissions and prepare the browserAction button appropriately
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var numberOfSubmissions = response.data.children.length.toString();
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if(numberOfSubmissions > 0) {
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chrome.browserAction.setTitle({
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title: 'This page has been submitted to reddit ' + numberOfSubmissions + ' times.',
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tabId: tabId
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if(response.data.children.length === 0) {
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db.transaction(function(tx) {
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tx.executeSql('INSERT OR REPLACE INTO cache (pageUrl, cacheTime, howManyPosts) VALUES (?, ?, ?)',[pageUrl, epoch(), '0',]);
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});
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chrome.browserAction.setBadgeText({
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text: numberOfSubmissions,
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tabId: tabId
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});
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chrome.browserAction.setPopup({
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popup: 'popup.html',
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tabId: tabId
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});
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chrome.browserAction.setBadgeBackgroundColor({
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color: [255,69,0,255], //r,g,b,a,
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tabId: tabId
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});
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chrome.browserAction.onClicked.removeListener(submitToReddit);
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} else {
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chrome.browserAction.setTitle({
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title: 'Submit this page to reddit',
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tabId: tabId
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db.transaction(function(tx) {
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for(var i = 0; i < response.data.children.length; i++) {
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var data = response.data.children[i].data;
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tx.executeSql(
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'INSERT OR REPLACE INTO posts' +
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'(id, name, likes, domain, subreddit, author, score, over_18, hidden, thumbnail, downs, permalink, created_utc, url, title, num_comments, ups, modhash)' +
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'VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)',
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[data.id, data.name, data.likes, data.domain, data.subreddit, data.author, data.score, data.over_18, data.hidden, data.thumbnail, data.downs, data.permalink, data.created_utc, data.url, data.title, data.num_comments, data.ups, response.data.modhash],
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function(tx) {
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tx.executeSql('INSERT OR REPLACE INTO cache (pageUrl, cacheTime, howManyPosts) VALUES (?, ?, ?)',[pageUrl, epoch(), response.data.children.length]);
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});
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}
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});
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chrome.browserAction.setBadgeText({
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text: '',
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tabId: tabId
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});
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chrome.browserAction.setPopup({
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popup: '',
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tabId: tabId
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});
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chrome.browserAction.onClicked.removeListener(submitToReddit);
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chrome.browserAction.onClicked.addListener(submitToReddit);
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}
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preparePopup(pageUrl,tabId);
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}
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function preparePopup(url,tabId) {
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// counts submissions and prepare the browserAction button appropriately
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var numberOfSubmissions;
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db.transaction(function(tx){
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tx.executeSql('SELECT * FROM cache WHERE pageUrl=?', [url], function(tx, results) {
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numberOfSubmissions = results.rows.item(0).howManyPosts;
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if(numberOfSubmissions > 0) {
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chrome.browserAction.setTitle({
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title: 'This page has been submitted to reddit ' + numberOfSubmissions + ' times.',
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tabId: tabId
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});
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chrome.browserAction.setBadgeText({
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text: numberOfSubmissions.toString(),
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tabId: tabId
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});
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chrome.browserAction.setPopup({
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popup: 'popup.html',
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tabId: tabId
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});
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chrome.browserAction.setBadgeBackgroundColor({
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color: [255,69,0,255], //r,g,b,a,
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tabId: tabId
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});
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chrome.browserAction.onClicked.removeListener(submitToReddit);
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} else {
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chrome.browserAction.setTitle({
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title: 'Submit this page to reddit',
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tabId: tabId
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});
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chrome.browserAction.setBadgeText({
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text: '',
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tabId: tabId
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});
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chrome.browserAction.setPopup({
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popup: '',
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tabId: tabId
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});
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chrome.browserAction.onClicked.removeListener(submitToReddit);
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chrome.browserAction.onClicked.addListener(submitToReddit);
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}
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});
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});
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}
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function submitToReddit(tab){
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chrome.tabs.create({
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url: 'http://www.reddit.com/submit?url=' + encodeURI(tab.url)
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});
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}
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/*
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* JavaScript Pretty Date
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* Thanks to Dean Landolt's comment on
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* http://ejohn.org/blog/javascript-pretty-date/#postcomment
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*/
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// Takes an ISO time and returns a string representing how
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// long ago the date represents.
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function prettyDate(date_str){
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var time = ('' + date_str).replace(/-/g,"/").replace(/[TZ]/g," ");
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var seconds = (new Date - new Date(time)) / 1000;
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var token = 'ago', list_choice = 1;
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if (seconds < 0) {
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seconds = Math.abs(seconds);
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token = 'from now';
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list_choice = 2;
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}
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var i = 0, format;
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while (format = time_formats[i++]) if (seconds < format[0]) {
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if (typeof format[2] == 'string')
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return format[list_choice];
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else
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return Math.floor(seconds / format[2]) + ' ' + format[1] + ' ' + token;
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}
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return time;
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};
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var time_formats = [
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[60, 'just now', 1], // 60
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[120, '1 minute ago', '1 minute from now'], // 60*2
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[3600, 'minutes', 60], // 60*60, 60
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[7200, '1 hour ago', '1 hour from now'], // 60*60*2
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[86400, 'hours', 3600], // 60*60*24, 60*60
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[172800, 'yesterday', 'tomorrow'], // 60*60*24*2
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[604800, 'days', 86400], // 60*60*24*7, 60*60*24
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[1209600, 'last week', 'next week'], // 60*60*24*7*4*2
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[2419200, 'weeks', 604800], // 60*60*24*7*4, 60*60*24*7
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[4838400, 'last month', 'next month'], // 60*60*24*7*4*2
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[29030400, 'months', 2419200], // 60*60*24*7*4*12, 60*60*24*7*4
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[58060800, 'last year', 'next year'], // 60*60*24*7*4*12*2
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[2903040000, 'years', 29030400], // 60*60*24*7*4*12*100, 60*60*24*7*4*12
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[5806080000, 'last century', 'next century'], // 60*60*24*7*4*12*100*2
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[58060800000, 'centuries', 2903040000] // 60*60*24*7*4*12*100*20, 60*60*24*7*4*12*100
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];
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/*
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* ISO 8601 Formatted Dates
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* Gotten from the Mozilla Developer Center
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*/
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function ISODateString(d){
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function pad(n){return n<10 ? '0'+n : n}
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return d.getUTCFullYear()+'-'
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+ pad(d.getUTCMonth()+1)+'-'
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+ pad(d.getUTCDate())+'T'
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+ pad(d.getUTCHours())+':'
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+ pad(d.getUTCMinutes())+':'
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+ pad(d.getUTCSeconds())+'Z'}
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</script>
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+3
-3
@@ -7,8 +7,8 @@
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},
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"permissions": [
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"http://*.reddit.com/",
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"tabs",
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"cookies"
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"tabs"
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],
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"background_page": "background.html"
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"background_page": "background.html",
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"options_page": "options.html"
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}
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@@ -0,0 +1 @@
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Hello, world.
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+163
-146
@@ -1,7 +1,6 @@
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<!doctype html>
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<html>
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<head>
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<title>TESTING the title</title>
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<meta charset="utf-8">
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<style>
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body {
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@@ -161,165 +160,183 @@
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}
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</style>
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<script>
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chrome.windows.getCurrent(function(currWindow) {
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chrome.tabs.getSelected(currWindow.id, function(currTab) {
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processApi(JSON.parse(window.localStorage.getItem(currTab.url)).response);
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});
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});
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function processApi(response) {
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document.getElementById('posts').setAttribute('data-modhash',response.data.modhash);
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document.getElementById('posts').setAttribute('data-url',response.data.children[0].data.url);
|
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var children = response.data.children;
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var now = new Date();
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for(var i = 0; i < children.length; i++) {
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var data = children[i].data;
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var entry = document.createElement('li');
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entry.id = data.name;
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if (data.likes === true) entry.setAttribute('data-dir','1');
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if (data.likes === null) entry.setAttribute('data-dir','0');
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if (data.likes === false) entry.setAttribute('data-dir','-1');
|
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var votes = document.createElement('div');
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votes.className = 'votes';
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var upmod = document.createElement('a');
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upmod.className = 'upmod';
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upmod.addEventListener('click',upmodPost);
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votes.appendChild(upmod);
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var count = document.createElement('span');
|
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count.className = 'count';
|
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count.id = 'count_' + data.name;
|
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count.innerHTML = data.score;
|
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count.title = data.ups + ' up votes, ' + data.downs + ' down votes';
|
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votes.appendChild(count);
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var downmod = document.createElement('a');
|
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downmod.className = 'downmod';
|
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downmod.id = 'down_' + data.name;
|
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votes.appendChild(downmod);
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entry.appendChild(votes);
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var thumblink = document.createElement('a');
|
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thumblink.className = 'thumblink';
|
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thumblink.href = 'http://www.reddit.com' + data.permalink;
|
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thumblink.target = '_blank';
|
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thumblink.title = 'View this submission on reddit';
|
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var thumb = document.createElement('img');
|
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thumb.className = 'thumb';
|
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data.thumbnail.indexOf('/') === 0 ? thumb.src = 'http://www.reddit.com' + data.thumbnail : thumb.src = data.thumbnail;
|
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thumb.alt = data.title;
|
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thumblink.appendChild(thumb);
|
||||
entry.appendChild(thumblink);
|
||||
var post = document.createElement('div');
|
||||
post.className = 'post';
|
||||
var link = document.createElement('a');
|
||||
link.className = 'link';
|
||||
link.href = 'http://www.reddit.com' + data.permalink;
|
||||
link.target = '_blank';
|
||||
link.innerHTML = data.title;
|
||||
link.title = 'View this submission on reddit';
|
||||
post.appendChild(link);
|
||||
var space = document.createTextNode(' ');
|
||||
post.appendChild(space);
|
||||
var domain = document.createElement('a');
|
||||
domain.className = 'domain';
|
||||
domain.href = 'http://www.reddit.com/domain/' + data.domain + '/';
|
||||
domain.target = '_href';
|
||||
domain.innerHTML = '(' + data.domain + ')';
|
||||
post.appendChild(domain);
|
||||
var meta = document.createElement('div');
|
||||
meta.className = 'meta';
|
||||
var timestamp = document.createElement('span');
|
||||
timestamp.className = 'timestamp';
|
||||
timestamp.innerHTML = 'submitted ' + prettyDate(ISODateString(new Date(data.created_utc * 1000)));
|
||||
meta.appendChild(timestamp);
|
||||
var by = document.createTextNode(' by ');
|
||||
meta.appendChild(by);
|
||||
var submitter = document.createElement('a');
|
||||
submitter.className = 'submitter';
|
||||
submitter.href = 'http://www.reddit.com/user/' + data.author + '/';
|
||||
submitter.target = '_blank';
|
||||
submitter.innerHTML = data.author;
|
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meta.appendChild(submitter);
|
||||
var to = document.createTextNode(' to ');
|
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meta.appendChild(to);
|
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var subreddit = document.createElement('a');
|
||||
subreddit.className = 'subreddit';
|
||||
subreddit.href = 'http://www.reddit.com/r/' + data.subreddit + '/';
|
||||
subreddit.target = '_blank';
|
||||
subreddit.innerHTML = data.subreddit;
|
||||
meta.appendChild(subreddit);
|
||||
post.appendChild(meta);
|
||||
var actions = document.createElement('div');
|
||||
actions.className = 'actions';
|
||||
var comments = document.createElement('a');
|
||||
comments.className = 'comments';
|
||||
comments.href = 'http://www.reddit.com' + data.permalink;
|
||||
comments.target = '_blank';
|
||||
comments.innerHTML = data.num_comments + ' comments';
|
||||
actions.appendChild(comments);
|
||||
post.appendChild(actions);
|
||||
var share = document.createElement('a');
|
||||
share.className = 'share';
|
||||
share.innerHTML = 'share';
|
||||
actions.appendChild(share);
|
||||
var save = document.createElement('a');
|
||||
save.className = 'save';
|
||||
save.innerHTML = data.saved === true ? 'saved' : 'save';
|
||||
actions.appendChild(save);
|
||||
var hide = document.createElement('a');
|
||||
hide.className = 'hide';
|
||||
if(data.hidden === true) {
|
||||
entry.className += ' hidden';
|
||||
hide.innerHTML = 'unhide'
|
||||
} else {
|
||||
hide.innerHTML = 'hide';
|
||||
}
|
||||
actions.appendChild(hide);
|
||||
var report = document.createElement('a');
|
||||
report.className = 'report';
|
||||
report.innerHTML = 'report';
|
||||
actions.appendChild(report);
|
||||
entry.appendChild(post);
|
||||
document.getElementById('posts').appendChild(entry);
|
||||
var db = openDatabase('mhdb', '1.0', 'Mostly Harmless Database', 5 * 1024 * 1024);
|
||||
var cacheTime;
|
||||
var over18;
|
||||
init();
|
||||
|
||||
function init() {
|
||||
if(window.localStorage.getItem('installed') !== 'true') {
|
||||
installDefaults();
|
||||
}
|
||||
document.getElementById('submit').href = 'http://www.reddit.com/submit?url=' + encodeURI(document.getElementById('posts').getAttribute('data-url'));
|
||||
db.transaction(function(tx){
|
||||
tx.executeSql('SELECT * FROM prefs WHERE pref=?', ['cacheTime'], function(tx, results) {
|
||||
cacheTime = results.rows.item(0).choice;
|
||||
});
|
||||
tx.executeSql('SELECT * FROM prefs WHERE pref=?', ['over18'], function(tx, results) {
|
||||
over18 = results.rows.item(0).choice;
|
||||
});
|
||||
});
|
||||
}
|
||||
chrome.tabs.getSelected(undefined, function(currTab) {
|
||||
buildPage(currTab.url);
|
||||
});
|
||||
function buildPage(pageUrl) {
|
||||
db.transaction(function(tx){
|
||||
console.log(pageUrl);
|
||||
tx.executeSql('SELECT * FROM posts WHERE url=?', [pageUrl], function(tx, results) {
|
||||
console.log(results.rows.item(0));
|
||||
document.getElementById('posts').setAttribute('data-modhash',results.rows.item(0).modhash);
|
||||
document.getElementById('posts').setAttribute('data-url',pageUrl);
|
||||
var children = results.rows;
|
||||
var now = new Date();
|
||||
for(var i = 0; i < children.length; i++) {
|
||||
var data = children.item(i);
|
||||
var entry = document.createElement('li');
|
||||
entry.id = data.name;
|
||||
if (data.likes === 'true') entry.setAttribute('data-dir','1');
|
||||
if (data.likes === null) entry.setAttribute('data-dir','0');
|
||||
if (data.likes === 'false') entry.setAttribute('data-dir','-1');
|
||||
var votes = document.createElement('div');
|
||||
votes.className = 'votes';
|
||||
var upmod = document.createElement('a');
|
||||
upmod.className = 'upmod';
|
||||
upmod.addEventListener('click',upmodPost);
|
||||
votes.appendChild(upmod);
|
||||
var count = document.createElement('span');
|
||||
count.className = 'count';
|
||||
count.id = 'count_' + data.name;
|
||||
count.innerHTML = data.score;
|
||||
count.title = data.ups + ' up votes, ' + data.downs + ' down votes';
|
||||
votes.appendChild(count);
|
||||
var downmod = document.createElement('a');
|
||||
downmod.className = 'downmod';
|
||||
downmod.id = 'down_' + data.name;
|
||||
votes.appendChild(downmod);
|
||||
entry.appendChild(votes);
|
||||
var thumblink = document.createElement('a');
|
||||
thumblink.className = 'thumblink';
|
||||
thumblink.href = 'http://www.reddit.com' + data.permalink;
|
||||
thumblink.target = '_blank';
|
||||
thumblink.title = 'View this submission on reddit';
|
||||
var thumb = document.createElement('img');
|
||||
thumb.className = 'thumb';
|
||||
data.thumbnail.indexOf('/') === 0 ? thumb.src = 'http://www.reddit.com' + data.thumbnail : thumb.src = data.thumbnail;
|
||||
thumb.alt = data.title;
|
||||
thumblink.appendChild(thumb);
|
||||
entry.appendChild(thumblink);
|
||||
var post = document.createElement('div');
|
||||
post.className = 'post';
|
||||
var link = document.createElement('a');
|
||||
link.className = 'link';
|
||||
link.href = 'http://www.reddit.com' + data.permalink;
|
||||
link.target = '_blank';
|
||||
link.innerHTML = data.title;
|
||||
link.title = 'View this submission on reddit';
|
||||
post.appendChild(link);
|
||||
var space = document.createTextNode(' ');
|
||||
post.appendChild(space);
|
||||
var domain = document.createElement('a');
|
||||
domain.className = 'domain';
|
||||
domain.href = 'http://www.reddit.com/domain/' + data.domain + '/';
|
||||
domain.target = '_href';
|
||||
domain.innerHTML = '(' + data.domain + ')';
|
||||
post.appendChild(domain);
|
||||
var meta = document.createElement('div');
|
||||
meta.className = 'meta';
|
||||
var timestamp = document.createElement('span');
|
||||
timestamp.className = 'timestamp';
|
||||
timestamp.innerHTML = 'submitted ' + prettyDate(ISODateString(new Date(data.created_utc * 1000)));
|
||||
meta.appendChild(timestamp);
|
||||
var by = document.createTextNode(' by ');
|
||||
meta.appendChild(by);
|
||||
var submitter = document.createElement('a');
|
||||
submitter.className = 'submitter';
|
||||
submitter.href = 'http://www.reddit.com/user/' + data.author + '/';
|
||||
submitter.target = '_blank';
|
||||
submitter.innerHTML = data.author;
|
||||
meta.appendChild(submitter);
|
||||
var to = document.createTextNode(' to ');
|
||||
meta.appendChild(to);
|
||||
var subreddit = document.createElement('a');
|
||||
subreddit.className = 'subreddit';
|
||||
subreddit.href = 'http://www.reddit.com/r/' + data.subreddit + '/';
|
||||
subreddit.target = '_blank';
|
||||
subreddit.innerHTML = data.subreddit;
|
||||
meta.appendChild(subreddit);
|
||||
post.appendChild(meta);
|
||||
var actions = document.createElement('div');
|
||||
actions.className = 'actions';
|
||||
var comments = document.createElement('a');
|
||||
comments.className = 'comments';
|
||||
comments.href = 'http://www.reddit.com' + data.permalink;
|
||||
comments.target = '_blank';
|
||||
comments.innerHTML = data.num_comments + ' comments';
|
||||
actions.appendChild(comments);
|
||||
post.appendChild(actions);
|
||||
var share = document.createElement('a');
|
||||
share.className = 'share';
|
||||
share.innerHTML = 'share';
|
||||
actions.appendChild(share);
|
||||
var save = document.createElement('a');
|
||||
save.className = 'save';
|
||||
save.innerHTML = data.saved === true ? 'saved' : 'save';
|
||||
actions.appendChild(save);
|
||||
var hide = document.createElement('a');
|
||||
hide.className = 'hide';
|
||||
if(data.hidden === true) {
|
||||
entry.className += ' hidden';
|
||||
hide.innerHTML = 'unhide'
|
||||
} else {
|
||||
hide.innerHTML = 'hide';
|
||||
}
|
||||
actions.appendChild(hide);
|
||||
var report = document.createElement('a');
|
||||
report.className = 'report';
|
||||
report.innerHTML = 'report';
|
||||
actions.appendChild(report);
|
||||
entry.appendChild(post);
|
||||
document.getElementById('posts').appendChild(entry);
|
||||
}
|
||||
document.getElementById('submit').href = 'http://www.reddit.com/submit?url=' + encodeURI(document.getElementById('posts').getAttribute('data-url'));
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
function upmodPost() {
|
||||
var formData = new FormData();
|
||||
formData.append('id',this.parentNode.parentNode.id);
|
||||
var listItem = this.parentNode.parentNode;
|
||||
formData.append('id',listItem.id);
|
||||
formData.append('uh',document.getElementById('posts').getAttribute('data-modhash'));
|
||||
var voteWas = this.parentNode.parentNode.getAttribute('data-dir');
|
||||
var voteCount = document.getElementById('count_' + this.parentNode.parentNode.id)
|
||||
var voteCount = document.getElementById('count_' + listItem.id)
|
||||
if(voteWas === '1') formData.append('dir','0');
|
||||
if(voteWas === '0') formData.append('dir','1');
|
||||
if(voteWas === '-1') formData.append('dir','1');
|
||||
var api = new XMLHttpRequest();
|
||||
api.open('POST','http://www.reddit.com/api/vote',false);
|
||||
api.send(formData);
|
||||
if (api.statusText === 'OK') {
|
||||
if(voteWas === '1') {
|
||||
this.parentNode.parentNode.setAttribute('data-dir','0');
|
||||
voteCount.innerHTML --;
|
||||
db.transaction(function(tx) {
|
||||
if (api.statusText === 'OK') {
|
||||
if(voteWas === '1') {
|
||||
listItem.setAttribute('data-dir','0');
|
||||
tx.executeSql('UPDATE posts SET likes=? WHERE name=?', [null, listItem.id]);
|
||||
}
|
||||
if(voteWas === '0') {
|
||||
listItem.setAttribute('data-dir','1');
|
||||
tx.executeSql('UPDATE posts SET likes=? WHERE name=?', ['true', listItem.id]);
|
||||
}
|
||||
if(voteWas === '-1') {
|
||||
listItem.setAttribute('data-dir','1');
|
||||
tx.executeSql('UPDATE posts SET likes=? WHERE name=?', ['true', listItem.id]);
|
||||
}
|
||||
voteCount.title = 'Voted!';
|
||||
} else {
|
||||
console.error('Error voting.\n' + api.statusText);
|
||||
console.warn(api);
|
||||
return false;
|
||||
}
|
||||
if(voteWas === '0') {
|
||||
this.parentNode.parentNode.setAttribute('data-dir','1');
|
||||
voteCount.innerHTML ++;
|
||||
}
|
||||
if(voteWas === '-1') {
|
||||
this.parentNode.parentNode.setAttribute('data-dir','1');
|
||||
voteCount.innerHTML ++;
|
||||
voteCount.innerHTML ++;
|
||||
}
|
||||
voteCount.title = 'Voted!';
|
||||
window.localStorage.removeItem(document.getElementById('posts').getAttribute('data-url'));
|
||||
// TODO:
|
||||
// Since I'm removing the data from the cache after voting, I need to add a
|
||||
// message passing function so that if the url isn't in the cache when the
|
||||
// popup is invoked, background.html will request the data and cache it so
|
||||
// the popup can read it.
|
||||
} else {
|
||||
console.error('Error voting.\n' + api.statusText);
|
||||
console.warn(api);
|
||||
return false;
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user