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59 lines
1.2 KiB
59 lines
1.2 KiB
12 years ago
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/**
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* The datastore itself
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*/
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var fs = require('fs')
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, path = require('path')
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, customUtils = require('./customUtils')
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;
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/**
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* Create a new collection
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*/
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function Datastore (filename) {
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this.filename = filename;
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this.data = [];
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}
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/**
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* Load the database
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* For now this means pulling data out of the data file or creating it
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* if it doesn't exist
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* @param {Function} cb Optional callback, signature: err
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*/
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Datastore.prototype.loadDatabase = function (cb) {
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var callback = cb || function () {}
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, self = this
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;
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customUtils.ensureDirectoryExists(path.dirname(self.filename), function (err) {
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fs.exists(self.filename, function (exists) {
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if (!exists) {
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self.data = [];
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fs.writeFile(self.filename, '', 'utf8', function (err) { return callback(err); });
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} else {
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fs.readFile(self.filename, 'utf8', function (err, data) {
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if (err) { return callback(err); }
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self.data = data;
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return callback();
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});
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}
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});
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});
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};
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var d = new Datastore('workspace/test.db');
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d.loadDatabase(function (err) {
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console.log("====");
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console.log(err);
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console.log(d.data);
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});
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