public static Grabber[] GrabbersFromJson(string json)
{
const string EXPECTED_VERSION = "1.0";
using JsonDocument document = JsonDocument.Parse(json);
string version = document.RootElement.GetProperty("version").GetString();
if (version != EXPECTED_VERSION)
{
throw new InvalidOperationException("invalid JSON version");
}
List <Grabber> grabbers = new List <Grabber>();
foreach (var grabber in document.RootElement.GetProperty("grabbers").EnumerateObject())
{
GrabberInfo info = new GrabberInfo()
{
ID = grabber.Value.GetProperty("id").GetString(),
Name = grabber.Value.GetProperty("name").GetString(),
Callsign = grabber.Value.GetProperty("callsign").GetString(),
Location = grabber.Value.GetProperty("location").GetString(),
ImageUrl = grabber.Value.GetProperty("imageUrl").GetString(),
SiteUrl = grabber.Value.GetProperty("siteUrl").GetString(),
};
GrabberHistory history = new GrabberHistory()
{
LastUniqueHash = grabber.Value.GetProperty("lastUniqueHash").GetString(),
LastUniqueDateTime = grabber.Value.GetProperty("lastUniqueDateTime").GetDateTime(),
LastUniqueAgeMinutes = grabber.Value.GetProperty("lastUniqueAgeMinutes").GetInt32(),
URLs = grabber.Value.GetProperty("urls").EnumerateArray().Select(x => x.GetString()).ToArray()
};
grabbers.Add(new Grabber(info, history));
}
return(grabbers.ToArray());
}
public void Update(GrabberHistory oldHistory)
{
LastUniqueHash = oldHistory.LastUniqueHash;
LastUniqueDateTime = oldHistory.LastUniqueDateTime;
LastUniqueAgeMinutes = oldHistory.LastUniqueAgeMinutes;
}
public Grabber(GrabberInfo info = null, GrabberHistory history = null)
{
Info = info ?? new GrabberInfo();
History = history ?? new GrabberHistory();
Data = new GrabberData();
}