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cleaned still non-functional caching code

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This commit is contained in:
R. Aidan Campbell 2016-07-10 11:33:21 -04:00
parent e3d000e8ed
commit dccff4cc92
1 changed files with 23 additions and 10 deletions
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31
static/js/utils.js
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@ -143,19 +143,27 @@ NvHTTP.prototype = {
},
getBoxArt: function (appId) {
// TODO: return a resolved promise to _self._memCachedBoxArtArray[appId] if we have it.
if (chrome.storage) {
// This may be bad practice to push/pull this much data through local storage?
return new Promise(function (resolve, reject) {
chrome.storage.local.get('boxArtCache', function(JSONCachedBoxArtArray) {
var cachedBoxArtArray = JSONCachedBoxArtArray.boxArtArray != undefined ? JSON.parse(JSONCachedBoxArtArray.boxArtArray) : Object
var boxArtArray = cachedBoxArtArray.boxArtArray != null ? cachedBoxArtArray.boxArtArray : _self._memCachedBoxArtArray; // yay associative arrays!
// if we already have it, load from cache
if (boxArtArray[appId] != null) {
resolve(boxArtArray[appId]);
var storedBoxArtArray;
if (JSONCachedBoxArtArray.boxArtCache != undefined) {
storedBoxArtArray = JSONCachedBoxArtArray.boxArtCache;
for (key in storedBoxArtArray) {
storedBoxArtArray[key] = str2ab(storedBoxArtArray[key]);
}
} else {
storedBoxArtArray = {};
}
// if we already have it, load it.
if (storedBoxArtArray[appId] !== undefined && Object.keys(storedBoxArtArray[appId]).length !== 0 && storedBoxArtArray[appId].constructor !== Object) {
resolve(_self._memCachedBoxArtArray[appId]);
}
// otherwise, put it in our cache, then return it
@ -166,10 +174,14 @@ NvHTTP.prototype = {
'&AssetType=2&AssetIdx=0',
true
]).then(function(streamedBoxArt) {
// something's going wrong here. the stringified box art renders as "{}"
boxArtArray[appId] = streamedBoxArt;
// the memcached data is global to all the async calls we're doing. This way there's only one array that holds everything properly.
_self._memCachedBoxArtArray[appId] = streamedBoxArt;
var obj = {};
obj['boxArtCache'] = JSON.stringify(boxArtArray); // storage is in JSON format. JSON does not support binary data.
var arrayToStore = {}
for (key in _self._memCachedBoxArtArray) { // convert the arraybuffer into a string
arrayToStore[key] = ab2str(_self._memCachedBoxArtArray[key]);
}
obj['boxArtCache'] = arrayToStore; // storage is in JSON format. JSON does not support binary data.
chrome.storage.local.set(obj, function(onSuccess) {});
resolve(streamedBoxArt);
});
@ -179,6 +191,7 @@ NvHTTP.prototype = {
});
} else { // shouldn't run because we always have chrome.storage, but I'm not going to antagonize other browsers
console.log('WARN: Chrome.storage not detected! Box art will not be saved!');
return sendMessage('openUrl', [
_self._baseUrlHttps +
'/appasset?'+_self._buildUidStr() +