131 lines
4.4 KiB
JavaScript
131 lines
4.4 KiB
JavaScript
// Setup an empty localStorage or upgrade an existing one
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define([
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"underscore"
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], function(_) {
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// Create the file system if not exist
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if (localStorage["file.list"] === undefined) {
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localStorage["file.list"] = ";";
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}
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var fileIndexList = _.compact(localStorage["file.list"].split(";"));
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// localStorage versioning
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var version = localStorage["version"];
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// Upgrade from v0 to v1
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if(version === undefined) {
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// Not used anymore
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localStorage.removeItem("sync.queue");
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localStorage.removeItem("sync.current");
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localStorage.removeItem("file.counter");
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_.each(fileIndexList, function(fileIndex) {
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localStorage[fileIndex + ".publish"] = ";";
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var syncIndexList = _.compact(localStorage[fileIndex + ".sync"].split(";"));
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_.each(syncIndexList, function(syncIndex) {
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localStorage[syncIndex + ".contentCRC"] = "0";
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// We store title CRC only for Google Drive synchronization
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if(localStorage[syncIndex + ".etag"] !== undefined) {
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localStorage[syncIndex + ".titleCRC"] = "0";
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}
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});
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});
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version = "v1";
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}
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// Upgrade from v1 to v2
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if(version == "v1") {
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var gdriveLastChangeId = localStorage["sync.gdrive.lastChangeId"];
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if(gdriveLastChangeId) {
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localStorage["gdrive.lastChangeId"] = gdriveLastChangeId;
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localStorage.removeItem("sync.gdrive.lastChangeId");
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}
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var dropboxLastChangeId = localStorage["sync.dropbox.lastChangeId"];
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if(dropboxLastChangeId) {
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localStorage["dropbox.lastChangeId"] = dropboxLastChangeId;
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localStorage.removeItem("sync.dropbox.lastChangeId");
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}
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var PROVIDER_GDRIVE = "gdrive";
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var PROVIDER_DROPBOX = "dropbox";
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var SYNC_PROVIDER_GDRIVE = "sync." + PROVIDER_GDRIVE + ".";
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var SYNC_PROVIDER_DROPBOX = "sync." + PROVIDER_DROPBOX + ".";
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_.each(fileIndexList, function(fileIndex) {
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var syncIndexList = _.compact(localStorage[fileIndex + ".sync"].split(";"));
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_.each(syncIndexList, function(syncIndex) {
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var syncAttributes = {};
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if (syncIndex.indexOf(SYNC_PROVIDER_GDRIVE) === 0) {
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syncAttributes.provider = PROVIDER_GDRIVE;
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syncAttributes.id = syncIndex.substring(SYNC_PROVIDER_GDRIVE.length);
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syncAttributes.etag = localStorage[syncIndex + ".etag"];
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syncAttributes.contentCRC = localStorage[syncIndex + ".contentCRC"];
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syncAttributes.titleCRC = localStorage[syncIndex + ".titleCRC"];
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}
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else if (syncIndex.indexOf(SYNC_PROVIDER_DROPBOX) === 0) {
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syncAttributes.provider = PROVIDER_DROPBOX;
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syncAttributes.path = decodeURIComponent(syncIndex.substring(SYNC_PROVIDER_DROPBOX.length));
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syncAttributes.version = localStorage[syncIndex + ".version"];
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syncAttributes.contentCRC = localStorage[syncIndex + ".contentCRC"];
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}
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localStorage[syncIndex] = JSON.stringify(syncAttributes);
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localStorage.removeItem(syncIndex + ".etag");
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localStorage.removeItem(syncIndex + ".version");
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localStorage.removeItem(syncIndex + ".contentCRC");
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localStorage.removeItem(syncIndex + ".titleCRC");
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});
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});
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version = "v2";
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}
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// Upgrade from v2 to v3
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if(version == "v2") {
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_.each(fileIndexList, function(fileIndex) {
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if(!_.has(localStorage, fileIndex + ".sync")) {
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localStorage.removeItem(fileIndex + ".title");
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localStorage.removeItem(fileIndex + ".publish");
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localStorage.removeItem(fileIndex + ".content");
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localStorage["file.list"] = localStorage["file.list"].replace(";"
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+ fileIndex + ";", ";");
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}
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});
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version = "v3";
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}
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// Upgrade from v3 to v4
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if(version == "v3") {
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var currentFileIndex = localStorage["file.current"];
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if(currentFileIndex !== undefined &&
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localStorage["file.list"].indexOf(";" + currentFileIndex + ";") === -1)
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{
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localStorage.removeItem("file.current");
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}
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version = "v4";
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}
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// Upgrade from v4 to v5
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if(version == "v4") {
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// Recreate GitHub token
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localStorage.removeItem("githubToken");
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version = "v5";
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}
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// Upgrade from v5 to v6
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if(version == "v5") {
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_.each(fileIndexList, function(fileIndex) {
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var publishIndexList = _.compact(localStorage[fileIndex + ".publish"].split(";"));
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_.each(publishIndexList, function(publishIndex) {
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var publishAttributes = JSON.parse(localStorage[publishIndex]);
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if(publishAttributes.provider == "gdrive") {
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// Change fileId to Id to be consistent with syncAttributes
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publishAttributes.id = publishAttributes.fileId;
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publishAttributes.fileId = undefined;
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localStorage[publishIndex] = JSON.stringify(publishAttributes);
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}
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});
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});
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version = "v6";
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}
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localStorage["version"] = version;
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}); |