public void SaveProductLastDate(ModisProduct ModisProduct, DateTime Date)
{
string dateFile = Path.Combine(textBoxArchiveDirectory.Text, ModisProduct.GetProductWithoutVersion());
dateFile = Path.ChangeExtension(dateFile, "txt");
File.WriteAllText(dateFile, Date.ToString("yyyy-MM-dd"));
}
public DateTime GetProductLastDate(ModisProduct ModisProduct)
{
string dateFile = Path.Combine(textBoxArchiveDirectory.Text, ModisProduct.GetProductWithoutVersion());
dateFile = Path.ChangeExtension(dateFile, "txt");
if (!File.Exists(dateFile))
{
return(ModisProduct.StartDate.AddDays(-ModisProduct.Period));
}
string s_lastDate = File.ReadAllText(dateFile),
s_year = s_lastDate.Split('-')[0],
s_month = s_lastDate.Split('-')[1],
s_day = s_lastDate.Split('-')[2];
int year = Convert.ToInt32(s_year),
month = Convert.ToInt32(s_month),
day = Convert.ToInt32(s_day);
return(new DateTime(year, month, day));
}
public void DownloadProduct(ModisProduct ModisProduct, DateTime Date)
{
Log($"{ModisProduct.GetProductWithoutVersion()} {Date.ToString("yyyy-MM-dd")} download started!");
ClearBufer();
bool ok = false;
while (!ok)
{
try
{
string resource = $"https://n5eil02u.ecs.nsidc.org/egi/request?" +
$"short_name={ModisProduct.GetProductWithoutVersion()}&" +
$"version={ModisProduct.GetProductVersion()}&" +
$"time={Date.ToString("yyyy-MM-dd")},{Date.ToString("yyyy-MM-dd")}&" +
$"bounding_box={textBoxBoundingBox.Text}&" +
$"agent=NO&" +
$"page_size=2000",
urs = "https://urs.earthdata.nasa.gov",
username = "******",
password = "******";
CookieContainer myContainer = new CookieContainer();
CredentialCache cache = new CredentialCache();
cache.Add(new Uri(urs), "Basic", new NetworkCredential(username, password));
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(resource);
request.Method = "GET";
request.Credentials = cache;
request.CookieContainer = myContainer;
request.PreAuthenticate = false;
request.AllowAutoRedirect = true;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
long length = response.ContentLength;
string type = response.ContentType;
Stream stream = response.GetResponseStream();
string fileName = response.Headers["Content-Disposition"].Replace("attachment; filename=", String.Empty).Replace("\"", String.Empty);
using (Stream s = File.Create(Path.Combine(textBoxArchiveDirectory.Text, "Bufer", fileName)))
{
stream.CopyTo(s);
}
stream.Close();
MoveFilesToArchive();
SaveProductLastDate(ModisProduct, Date);
ok = true;
}
catch (WebException webException)
{
if ((HttpWebResponse)webException.Response != null)
{
if (((HttpWebResponse)webException.Response).StatusCode == HttpStatusCode.NotImplemented)
{
Log($"{ModisProduct.GetProductWithoutVersion()} {Date.ToString("yyyy-MM-dd")} download error: " +
$"{((HttpWebResponse)webException.Response).StatusCode} ({((HttpWebResponse)webException.Response).StatusDescription})");
SaveProductLastDate(ModisProduct, Date);
ok = true;
}
}
}
catch (Exception exception)
{
Log($"{ModisProduct.GetProductWithoutVersion()} {Date.ToString("yyyy-MM-dd")} download error: {exception.Message}");
}
}
Log($"{ModisProduct.GetProductWithoutVersion()} {Date.ToString("yyyy-MM-dd")} download finished!");
}