//Read .csv into a list of custom objects for querying and manipulation then return them back to the program
public static List <SightingData> ReadSightings(string fileName)
{
var sightings = new List <SightingData>();
using (var reader = new StreamReader(fileName))
{
string line = "";
while ((line = reader.ReadLine()) != null)
{
var sightingData = new SightingData();
string[] values = line.Split(',');
DateTime sightingDate;
if (DateTime.TryParse(values[0], out sightingDate))
{
sightingData.SightingDate = sightingDate;
}
sightingData.City = values[1];
sightingData.State = values[2];
sightingData.Country = values[3];
sightingData.Shape = values[4];
sightingData.Duration = values[5];
sightingData.Comments = values[6];
sightingData.DatePosted = values[7];
Double latitude;
if (double.TryParse(values[8], out latitude))
{
sightingData.Latitude = latitude;
}
Double longitude;
if (double.TryParse(values[9], out longitude))
{
sightingData.Longitude = longitude;
}
sightings.Add(sightingData);
}
}
return(sightings);
}
//gives the user an option to add a custom sighting and provide information to the program
public static List <SightingData> NewSighting(List <SightingData> fileContents)
{
Console.WriteLine("Would you like to add a sighting? y/n");
string addSighting = Console.ReadLine().ToLower();
if (addSighting == "y")
{
// allows for multiple iterations through the loop enabling adding multiple entries at one time
bool keepAdding = true;
while (keepAdding)
{
//custom object creation
var newSighting = new SightingData();
Console.WriteLine("Please enter a date and time in the format mm/dd/yyyy hh:mm.");
DateTime sightingDate;
var newSightingDate = Console.ReadLine();
if (DateTime.TryParse(newSightingDate, out sightingDate))
{
newSighting.SightingDate = sightingDate;
}
Console.WriteLine("Please enter a city.");
newSighting.City = Console.ReadLine().ToLower();
Console.WriteLine("Please enter a state by two letter abbreviation or if in a non-US country just leave blank.");
newSighting.State = Console.ReadLine().ToLower();
Console.WriteLine("Please enter a country. If in US type us or if international use two letter abbreviation.");
newSighting.Country = Console.ReadLine().ToLower();
Console.WriteLine("Please enter the UFOs shape.");
newSighting.Shape = Console.ReadLine().ToLower();
Console.WriteLine("Please enter the duration of this sighting.");
newSighting.Duration = Console.ReadLine().ToLower();
Console.WriteLine("Please enter any comments regarding this sighting.");
newSighting.Comments = Console.ReadLine();
Console.WriteLine("Please enter the current date in the format mm/dd/yyyy hh:mm.");
newSighting.DatePosted = Console.ReadLine();
Console.WriteLine("If known please enter the latitude of the sighting.");
var newLatitude = Console.ReadLine();
Double latitude;
if (double.TryParse(newLatitude, out latitude))
{
newSighting.Latitude = latitude;
}
Console.WriteLine("If known please enter the longitude of the sighting.");
var newLongitude = Console.ReadLine();
Double longitude;
if (double.TryParse(newLongitude, out longitude))
{
newSighting.Longitude = longitude;
}
fileContents.Add(newSighting);
Console.WriteLine("Do you have another entry to add? y/n");
string keepGoing = Console.ReadLine().ToLower();
if (keepGoing != "y")
{
keepAdding = false;
}
else
{
continue;
}
}
return(fileContents);
}
else
{
return(fileContents);
}
}
