83 lines
2.0 KiB
JavaScript
83 lines
2.0 KiB
JavaScript
/*\
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title: js/FileStore.js
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\*/
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(function(){
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/*jslint node: true */
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"use strict";
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var retrieveFile = require("./FileRetriever.js").retrieveFile,
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fs = require("fs"),
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path = require("path"),
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url = require("url"),
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util = require("util"),
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async = require("async");
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function FileStore(dirpath,store,callback) {
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this.dirpath = dirpath;
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this.store = store;
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this.callback = callback;
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var self = this;
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// Set up a queue for loading tiddler files
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this.loadQueue = async.queue(function(task,callback) {
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retrieveFile(task.filepath,self.dirpath,function(err,data) {
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if(err) {
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callback(err);
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} else {
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// Use the filepath as the default title and src for the tiddler
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var fields = {
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title: data.path,
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src: data.path
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};
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var tiddlers = self.store.deserializeTiddlers(data.extname,data.text,fields);
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// Check for the .meta file
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if(data.extname !== ".json" && tiddlers.length === 1) {
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var metafile = task.filepath + ".meta";
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retrieveFile(metafile,self.dirpath,function(err,data) {
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if(err && err.code !== "ENOENT" && err.code !== "404") {
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callback(err);
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} else {
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var fields = tiddlers[0];
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if(!err) {
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var text = data.text.split("\n\n")[0];
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if(text) {
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fields = self.store.deserializeTiddlers("application/x-tiddler",text,fields)[0];
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}
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}
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self.store.addTiddler(fields);
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callback(null);
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}
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});
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} else {
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self.store.addTiddlers(tiddlers);
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callback(null);
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}
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}
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});
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},10);
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// Call the callback when all the files are loaded
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this.loadQueue.drain = function() {
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callback(null);
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};
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// Query the folder content to get all the tiddlers
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fs.readdir(this.dirpath,function(err,files) {
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if(err) {
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callback(err);
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} else {
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for(var t=0; t<files.length; t++) {
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var f = files[t];
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if(f !== ".." && f !== "." && f.indexOf(".meta") !== f.length-5) {
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self.loadQueue.push({
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filepath: path.resolve(self.dirpath,f)
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});
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}
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}
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}
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});
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}
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exports.FileStore = FileStore;
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})();
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