FileExists is a stupid little wrapper of os.Stat that checks whether a file exists.

GetAlgorithmName returns algorithm's name depending on its ID.

HoursFromNowString returns time.Now + n hours in string format.

JSONResponse writes JSON to an http.ResponseWriter with the corresponding status code.

ParseRequest takes the input body from the passed request and tries to unmarshal it into data.

StringToTime returns a time.Time object from a RFC3339-encoded string.

TimeNowString returns time.Now + UTC + Format(RFC3339).

ErrInvalidContentType is returned by ParseRequest if it can't unmarshal it into the passed struct.