/// <summary>
/// Constructor for the EXODataSet Class
/// </summary>
/// <param name="dataStructure">DataStructure created from the file
/// information </param>
/// <param name="planets"> List of Planets with all planets in the file
/// and their respective information </param>
/// <param name="stars">List of Stars with all stars in the file
/// and their respective information</param>
public EXODataSet(EXODataStructure dataStructure, List <Planet> planets,
List <Star> stars)
{
DataStructure = dataStructure;
Planets = planets;
PlanetCount = Planets.Count;
Stars = stars;
StarCount = Stars.Count;
}
/// <summary>
/// Method used to check for a valid file
/// </summary>
/// <param name="path">User's file path</param>
/// <param name="data">Variable with Data informartion </param>
/// <returns>Returns an APIResponse</returns>
public APIResponse TryParse(string path, out EXOParsedData data)
{
data = null;
//Trys to read the file...
try
{
//Checks if its a valid file type...
if (!path.EndsWith(".csv"))
{
//...if its not throws Wrong File Exception
throw new Exception("Wrong file format.\nExpecting .csv");
}
// With C# 8.0 we don't need the braces
using (StreamReader sr = File.OpenText(path))
{
string line = null;
//Reads lines that arent null in the file
for (line = sr.ReadLine(); line != null; line = sr.ReadLine())
{
//Removes all white spaces from read line
line = line.Trim();
//Checks if the line starts with the "#" character
//or if its empty....
if (line.StartsWith("#") || string.IsNullOrEmpty(line))
{
//...if so it ignores them
continue;
}
//Checks if the current Data is empty...
else if (data == null)
{
//...creates a new structure with the correct lines...
EXODataStructure structure = EXODataStructure.Parse(line);
//...and creates a new DataStructure
data = new EXOParsedData(structure);
continue;
}
//Adds a planet with all its information to the DataStructure
data.AddPlanet(line);
}
}
}
//...and if it fails it returns an APIResponse with
// respective error message
catch (FileNotFoundException)
{
return(new APIResponse(false, "No file found."));
}
catch (DirectoryNotFoundException)
{
return(new APIResponse(false, "Directory not found."));
}
catch (Exception e)
{
return(new APIResponse(false, e.Message));
}
return(new APIResponse(true));
}