59 lines
2.2 KiB
JavaScript
59 lines
2.2 KiB
JavaScript
'use strict;'
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var ReleaseChecker = function (releaseName, releaseUrl) {
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var self = this;
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self._releaseName = releaseName;
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self._releaseDataTag = `${self._releaseName}ReleaseData`;
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self._releaseLastUpdateTag = `${self._releaseName}ReleaseLastUpdate`
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self._releaseUrl = releaseUrl;
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}
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ReleaseChecker.prototype.loadReleaseData = function (processFunction) {
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var self = this;
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chrome.storage.local.get([self._releaseLastUpdateTag, self._releaseDataTag], function (result) {
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var releaseDataTimestamp = $.now();
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var cacheReleaseData = result[self._releaseDataTag];
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var cachedReleaseLastUpdate = result[self._releaseLastUpdateTag];
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if (!cacheReleaseData || !cachedReleaseLastUpdate || releaseDataTimestamp - cachedReleaseLastUpdate > 3600 * 1000) {
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$.get(self._releaseUrl, function (releaseData) {
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GUI.log(chrome.i18n.getMessage('releaseCheckLoaded',[self._releaseName]));
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var data = {};
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data[self._releaseDataTag] = releaseData
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data[self._releaseLastUpdateTag] = releaseDataTimestamp
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chrome.storage.local.set(data, function () {});
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self._processReleaseData(releaseData, processFunction);
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}).fail(function (data) {
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var message = '';
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if (data['responseJSON']) {
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message = data['responseJSON'].message;
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}
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GUI.log(chrome.i18n.getMessage('releaseCheckFailed',[self._releaseName,message]));
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self._processReleaseData(cacheReleaseData, processFunction);
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});
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} else {
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if (cacheReleaseData) {
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GUI.log(chrome.i18n.getMessage('releaseCheckCached',[self._releaseName]));
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}
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self._processReleaseData(cacheReleaseData, processFunction);
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}
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});
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}
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ReleaseChecker.prototype._processReleaseData = function (releaseData, processFunction) {
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if (releaseData) {
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processFunction(releaseData);
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} else {
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GUI.log(chrome.i18n.getMessage('releaseCheckNoInfo',[self._releaseName]));
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processFunction();
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}
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}
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