mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-28 04:19:56 +00:00
59 lines
2.1 KiB
JavaScript
59 lines
2.1 KiB
JavaScript
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/*\
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title: $:/core/modules/upgraders/plugins.js
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type: application/javascript
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module-type: upgrader
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Upgrader module that checks that plugins are newer than any already installed version
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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var UPGRADE_LIBRARY_TITLE = "$:/UpgradeLibrary";
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exports.upgrade = function(wiki,titles,tiddlers) {
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var self = this,
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messages = {},
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upgradeLibrary,
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getLibraryTiddler = function(title) {
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if(!upgradeLibrary) {
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upgradeLibrary = wiki.getTiddlerData(UPGRADE_LIBRARY_TITLE,{});
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upgradeLibrary.tiddlers = upgradeLibrary.tiddlers || {};
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}
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return upgradeLibrary.tiddlers[title]
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};
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// Go through all the incoming tiddlers
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$tw.utils.each(titles,function(title) {
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var incomingTiddler = tiddlers[title];
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// Check if we're dealing with a plugin
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if(incomingTiddler && incomingTiddler["plugin-type"] && incomingTiddler["version"]) {
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// Upgrade the incoming plugin if we've got a newer version in the upgrade library
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var libraryTiddler = getLibraryTiddler(title);
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if(libraryTiddler && libraryTiddler["plugin-type"] && libraryTiddler["version"]) {
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if($tw.utils.checkVersions(libraryTiddler.version,incomingTiddler.version)) {
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tiddlers[title] = libraryTiddler;
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messages[title] = $tw.language.getString("Import/Upgrader/Plugins/Upgraded",{variables: {incoming: incomingTiddler.version, upgraded: libraryTiddler.version}});
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return;
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}
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}
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// Suppress the incoming plugin if it is older than the currently installed one
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var existingTiddler = wiki.getTiddler(title);
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if(existingTiddler && existingTiddler.hasField("plugin-type") && existingTiddler.hasField("version")) {
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// Reject the incoming plugin by blanking all its fields
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if($tw.utils.checkVersions(existingTiddler.fields.version,incomingTiddler.version)) {
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tiddlers[title] = Object.create(null);
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messages[title] = $tw.language.getString("Import/Upgrader/Plugins/Suppressed",{variables: {incoming: incomingTiddler.version, existing: existingTiddler.fields.version}});
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return;
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}
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}
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}
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});
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return messages;
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};
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})();
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