public void GetBirdWatchData()
{
List <BirdWatchItem> birdList = BirdWatchDataFile.Read();
JavaScriptSerializer jsonString = new JavaScriptSerializer();
Context.Response.Write(jsonString.Serialize(birdList));
}
public void IncrementBirdObservations(string birdName)
{
List <BirdWatchItem> birdList = BirdWatchDataFile.Read();
for (int i = 0; i < birdList.Count; i++)
{
if (birdList[i].BirdName == birdName)
{
birdList[i].IncrementBirdObservations();
break;
}
}
BirdWatchLogFile.Write(birdName, birdList);
BirdWatchDataFile.Write(birdList);
}
/// <summary>
/// Read all recorded bird types and observation counts from data file.
/// If file does not exist or file is empty, two default items are added.
/// </summary>
/// <returns>
/// The list of birds and corresponding observation counts.
/// </returns>
public static List <BirdWatchItem> Read()
{
List <BirdWatchItem> birdList = new List <BirdWatchItem>();
try
{
string filePath = new Uri(Path.GetDirectoryName(
Assembly.GetExecutingAssembly().CodeBase)).LocalPath;
StreamReader reader = new StreamReader(filePath + "\\BirdWatch.dat");
string line;
do
{
line = reader.ReadLine();
if (line != null)
{
birdList.Add(new BirdWatchItem(
BirdWatchDataFile.ParseBirdName(line),
BirdWatchDataFile.ParseBirdObservations(line)));
}
}while (line != null);
reader.Close();
}
catch (FileNotFoundException)
{
// File was not found, add Harakka and Varis items to the list
birdList.Add(new BirdWatchItem("Harakka", 0));
birdList.Add(new BirdWatchItem("Varis", 0));
}
if (birdList.Count == 0)
{
// File was empty, add Harakka and Varis items to the list
birdList.Add(new BirdWatchItem("Harakka", 0));
birdList.Add(new BirdWatchItem("Varis", 0));
}
return(birdList);
}
public string AddNewBirdItem(string birdName)
{
List <BirdWatchItem> birdList = BirdWatchDataFile.Read();
JavaScriptSerializer jsonStream = new JavaScriptSerializer();
// Validate
if (string.IsNullOrEmpty(birdName) || !Regex.IsMatch(birdName, @"^[a-öA-Ö]+$"))
{
return("Virhe: virheellinen linnun nimi");
}
for (int i = 0; i < birdList.Count; i++)
{
if (birdList[i].BirdName == birdName)
{
return("Virhe: yritit lisätä duplikaattia");
}
}
birdList.Add(new BirdWatchItem(birdName, 0));
BirdWatchLogFile.Write(birdName);
BirdWatchDataFile.Write(birdList);
return(string.Empty);
}
