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Fixed Delete/Unlink code in Section 3/Storing Data/lib/data.js #11

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Fixed Delete/Unlink code in Section 3/Storing Data/lib/data.js #11

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29 changes: 5 additions & 24 deletions Section 3/Storing Data/lib/data.js
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Original file line number Diff line number Diff line change
Expand Up @@ -88,33 +88,14 @@ lib.update = function(dir,file,data,callback){

// Delete a file
lib.delete = function(dir,file,callback){

// Open the file for writing
fs.unlink(lib.baseDir+dir+'/'+file+'.json', 'r+', function(err, fileDescriptor){
if(!err && fileDescriptor){
// Convert data to string
var stringData = JSON.stringify(data);

// Write to file and close it
fs.writeFile(fileDescriptor, stringData,function(err){
if(!err){
fs.close(fileDescriptor,function(err){
if(!err){
callback(false);
} else {
callback('Error closing existing file');
}
});
} else {
callback('Error writing to existing file');
}
});
// Unlink the file
fs.unlink(lib.baseDir+dir+'/'+file+'.json',function(err){
if(!err){
callback(false);
} else {
callback('Could not open file for updating, it may not exist yet');
callback('Error deleting file');
}
});


};

// Export the module
Expand Down