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//the id of this user, randomly generated once per install
var userID = null;
//the last video id loaded, to make sure it is a video id change
var sponsorVideoID = null;
chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab) {
chrome.tabs.sendMessage(tabId, {
message: 'update',
});
});
chrome.runtime.onMessage.addListener(function (request, sender, callback) {
if (request.message == "submitTimes") {
submitTimes(request.videoID, callback);
//this allows the callback to be called later by the submitTimes function
return true;
} else if (request.message == "addSponsorTime") {
addSponsorTime(request.time, request.videoID, callback);
//this allows the callback to be called later
return true;
} else if (request.message == "getSponsorTimes") {
getSponsorTimes(request.videoID, function(sponsorTimes) {
callback({
sponsorTimes: sponsorTimes
})
});
//this allows the callback to be called later
return true;
} else if (request.message == "submitVote") {
submitVote(request.type, request.UUID, callback);
//this allows the callback to be called later
return true;
}
});
//add help page on install
chrome.runtime.onInstalled.addListener(function (object) {
chrome.storage.sync.get(["shownInstallPage"], function(result) {
let shownInstallPage = result.shownInstallPage;
if (shownInstallPage == undefined || !shownInstallPage) {
//open up the install page
chrome.tabs.create({url: chrome.extension.getURL("/help/index.html")});
//save that this happened
chrome.storage.sync.set({shownInstallPage: true});
}
});
});
//gets the sponsor times from memory
function getSponsorTimes(videoID, callback) {
let sponsorTimes = [];
let sponsorTimeKey = "sponsorTimes" + videoID;
chrome.storage.sync.get([sponsorTimeKey], function(result) {
let sponsorTimesStorage = result[sponsorTimeKey];
if (sponsorTimesStorage != undefined && sponsorTimesStorage.length > 0) {
sponsorTimes = sponsorTimesStorage;
}
callback(sponsorTimes)
});
}
function addSponsorTime(time, videoID, callback) {
getSponsorTimes(videoID, function(sponsorTimes) {
//add to sponsorTimes
if (sponsorTimes.length > 0 && sponsorTimes[sponsorTimes.length - 1].length < 2) {
//it is an end time
sponsorTimes[sponsorTimes.length - 1][1] = time;
} else {
//it is a start time
let sponsorTimesIndex = sponsorTimes.length;
sponsorTimes[sponsorTimesIndex] = [];
sponsorTimes[sponsorTimesIndex][0] = time;
}
//save this info
let sponsorTimeKey = "sponsorTimes" + videoID;
chrome.storage.sync.set({[sponsorTimeKey]: sponsorTimes}, callback);
});
}
function submitVote(type, UUID, callback) {
getUserID(function(userID) {
//publish this vote
sendRequestToServer('GET', "/api/voteOnSponsorTime?UUID=" + UUID + "&userID=" + userID + "&type=" + type, function(xmlhttp, error) {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
callback({
successType: 1
});
} else if (xmlhttp.readyState == 4 && xmlhttp.status == 405) {
//duplicate vote
callback({
successType: 0,
statusCode: xmlhttp.status
});
} else if (error) {
//error while connect
callback({
successType: -1,
statusCode: xmlhttp.status
});
}
})
})
}
function submitTimes(videoID, callback) {
//get the video times from storage
let sponsorTimeKey = 'sponsorTimes' + videoID;
chrome.storage.sync.get([sponsorTimeKey], function(result) {
let sponsorTimes = result[sponsorTimeKey];
if (sponsorTimes != undefined && sponsorTimes.length > 0) {
//submit these times
for (let i = 0; i < sponsorTimes.length; i++) {
getUserID(function(userIDStorage) {
//submit the sponsorTime
sendRequestToServer('GET', "/api/postVideoSponsorTimes?videoID=" + videoID + "&startTime=" + sponsorTimes[i][0] + "&endTime=" + sponsorTimes[i][1]
+ "&userID=" + userIDStorage, function(xmlhttp, error) {
if (xmlhttp.readyState == 4 && !error) {
callback({
statusCode: xmlhttp.status
});
if (xmlhttp.status == 200) {
//add these to the storage log
chrome.storage.sync.get(["sponsorTimesContributed"], function(result) {
let currentContributionAmount = 0;
if (result.sponsorTimesContributed != undefined) {
//current contribution amount is known
currentContributionAmount = result.sponsorTimesContributed;
}
//save the amount contributed
chrome.storage.sync.set({"sponsorTimesContributed": currentContributionAmount + sponsorTimes.length});
});
}
} else if (error) {
callback({
statusCode: -1
});
}
});
});
}
}
});
}
function getUserID(callback) {
if (userID != null) {
callback(userID);
return;
}
//if it is not cached yet, grab it from storage
chrome.storage.sync.get(["userID"], function(result) {
let userIDStorage = result.userID;
if (userIDStorage != undefined) {
userID = userIDStorage;
callback(userID);
} else {
//double check if a UUID hasn't been created since this was first called
if (userID != null) {
callback(userID);
return;
}
//generate a userID
userID = generateUUID();
//save this UUID
chrome.storage.sync.set({"userID": userID});
callback(userID);
}
});
}
function sendRequestToServer(type, address, callback) {
let xmlhttp = new XMLHttpRequest();
xmlhttp.open(type, serverAddress + address, true);
if (callback != undefined) {
xmlhttp.onreadystatechange = function () {
callback(xmlhttp, false);
};
xmlhttp.onerror = function(ev) {
callback(xmlhttp, true);
};
}
//submit this request
xmlhttp.send();
}
//uuid generator function from https://gist.github.com/jed/982883
function generateUUID(a){return a?(a^Math.random()*16>>a/4).toString(16):([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g,generateUUID)}
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