public void Save(SpeechHistoryItem item)
{
lock (_lock)
{
SpeechHistoryData shd = null;
if (File.Exists(RepositoryFile) == false)
{
shd = new SpeechHistoryData();
}
else
{
using (StreamReader file = System.IO.File.OpenText(RepositoryFile))
{
JsonSerializer serializer = new JsonSerializer();
shd = (SpeechHistoryData)serializer.Deserialize(file, typeof(SpeechHistoryData));
}
}
shd.Items.Add(item);
if (shd.Items.Count > MaxItems)
{
shd.Items.OrderByDescending(p => p.Date).Take(MaxItems).ToList();
}
using (StreamWriter file = System.IO.File.CreateText(RepositoryFile))
{
JsonSerializer serializer = new JsonSerializer();
serializer.Formatting = Formatting.Indented;
serializer.Serialize(file, shd);
}
}
}
public IEnumerable <SpeechHistoryItem> GetAll()
{
lock (_lock)
{
SpeechHistoryData shd = null;
if (File.Exists(RepositoryFile) == false)
{
shd = new SpeechHistoryData();
}
else
{
using (StreamReader file = System.IO.File.OpenText(RepositoryFile))
{
JsonSerializer serializer = new JsonSerializer();
shd = (SpeechHistoryData)serializer.Deserialize(file, typeof(SpeechHistoryData));
}
}
return(shd.Items.OrderByDescending(p => p.Date).ToList());
}
}