internal string GetPicUrl(bool forceError)
{
if (string.IsNullOrEmpty(CurrentPicture.Uri))
{
string tempUrl = "";
HtmlDocument doc = new HtmlDocument();
doc.Load(podPagePath);
HtmlNode node = doc.DocumentNode.SelectSingleNode("descendant::div[attribute::class='primary_photo']");
if (node != null)
{
HtmlNode imgNode = node.SelectSingleNode("descendant::img");
if (imgNode != null)
{
HtmlAttribute att = imgNode.Attributes["src"];
if (att != null)
{
tempUrl = att.Value;
}
}
}
if (string.IsNullOrEmpty(tempUrl))
{
if (forceError)
{
PodUtil.Error("Not able to get picture url.");
}
CurrentPicture.Uri = "";
}
else
{
CurrentPicture.Uri = "http:" + tempUrl;
}
}
return(CurrentPicture.Uri);
}
//private string podPicOnePath = "";
//internal string PodPicPath = "";
public PodModel()
{
PodUtil.GenerateBuild();
DefaultPortalUrl = @"http://photography.nationalgeographic.com/photography/photo-of-the-day/";
string docFolder = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
string podFolder = docFolder + @"\OnePOD";
PodUtil.CreateDirIfNotAvailable(podFolder);
podTempFolder = podFolder + @"\temp";
PodUtil.CreateDirIfNotAvailable(podTempFolder);
podPagePath = podTempFolder + @"\current.pod";
acquireInfoFromLocalPage();
//podPicOnePath = podTempFolder + @"\one.png";
//PodUtil.CreateEmptyFileIfNotAvailable(podPicOnePath);
//PodUtil.DownloadPicIfNotAvailable(PodPicOnePath);
//PodPicPath = Properties.Settings.Default.LastPodPicPath;
// clean temp folder
DirectoryInfo tempDir = new DirectoryInfo(podTempFolder);
List <FileInfo> filesToBeDeleted = new List <FileInfo>();
foreach (FileInfo f in tempDir.EnumerateFiles())
{
//if (f.FullName == PodPicPath)
// continue;
string s = Path.GetFileNameWithoutExtension(f.FullName);
try
{
Guid guid = new Guid(s);
// if conversion is successful, then delete the temp file
filesToBeDeleted.Add(f);
}
catch (Exception e)
{
// if conversion is NOT successful, then do nothing
}
}
foreach (FileInfo f in filesToBeDeleted)
{
f.Delete();
}
}
//internal string GenerateNewPodPicPath()
//{
// //string s = Guid.NewGuid().ToString();
// //PodPicPath = podTempFolder + "\\" + s + ".jpg";
// //Properties.Settings.Default.LastPodPicPath = PodPicPath;
// //Properties.Settings.Default.Save();
// //return PodPicPath;
//}
internal void GetPortalPage()
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(DefaultPortalUrl);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream responseStream = null;
FileStream fileStream = null;
try
{
responseStream = response.GetResponseStream();
long fileSize = response.ContentLength;
fileStream = new FileStream(podPagePath, FileMode.OpenOrCreate, FileAccess.Write);
int length = 1024;
byte[] buffer = new byte[1025];
int bytesRead = 0;
while ((bytesRead = responseStream.Read(buffer, 0, length)) > 0)
{
fileStream.Write(buffer, 0, bytesRead);
}
}
catch (Exception e)
{
PodUtil.Error(e.Message);
}
finally
{
if (responseStream != null)
{
responseStream.Close();
}
if (fileStream != null)
{
fileStream.Close();
}
}
previousPicture = CurrentPicture;
acquireInfoFromLocalPage();
}
public static bool SetImage(string filePath)
{
try
{
RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Control Panel\Desktop", true);
string wps = key.GetValue(WP_S).ToString();
if (wps != "0")
{
key.SetValue(WP_S, 0.ToString()); // 0 = original size
}
if (key.GetValue(WP_T).ToString() != 0.ToString())
{
key.SetValue(WP_T, 0.ToString()); // 0 = no tile
}
}
catch (Exception e)
{
PodUtil.Error(e.Message);
return(false);
}
SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, filePath, SPIF_UPDATEINIFILE);
return(true);
}
private void acquireInfoFromLocalPage()
{
if (!File.Exists(podPagePath))
{
return;
}
CurrentPicture = new Picture();
HtmlDocument doc = new HtmlDocument();
doc.Load(podPagePath);
HtmlNode node = doc.DocumentNode.SelectSingleNode("descendant::div[attribute::id='caption']");
if (node != null)
{
StringBuilder sb = new StringBuilder();
foreach (HtmlNode n in node.ChildNodes)
{
// Console.WriteLine(n.InnerText); // for debug only
if (PodUtil.IsAllWhiteSpace(n.InnerText))
{
continue;
}
if (n.OriginalName == "br") // n.OriginalName == "#text" ||
{
continue;
}
//if (n.InnerText.Contains("&")) // ???
// continue;
if (n.OriginalName == "h2") // title
{
CurrentPicture.Title = n.InnerText;
continue;
}
bool hit = false;
foreach (HtmlAttribute a in n.Attributes)
{
if (a.Value == "publication_time")
{
CurrentPicture.Date = n.InnerText;
hit = true;
break;
}
if (a.Value == "credit")
{
CurrentPicture.Credit = PodUtil.ProcessGarbledChar(n.InnerText);
hit = true;
break;
}
}
if (hit)
{
continue;
}
sb.Append("\n" + n.InnerText + "\n");
}
CurrentPicture.Detail = PodUtil.RemoveConsecutiveWhiteSpaces(PodUtil.ProcessGarbledChar(sb.ToString()));
//string captionString = node.InnerText;
//string tempString = PodUtil.RemoveConsecutiveWhiteSpaces(captionString);
//HtmlNode dateNode = node.SelectSingleNode("descendant::p[attribute::class='publication_time']");
//if (dateNode != null)
//{
// _date = dateNode.InnerText;
// tempString = PodUtil.RemoveSubstring(tempString, _date);
//}
//HtmlNode titleNode = node.SelectSingleNode("descendant::h2");
//if(titleNode != null)
//{
// _title = titleNode.InnerText;
// tempString = PodUtil.RemoveSubstring(tempString, _title);
//}
//tempString = PodUtil.RemoveConsecutiveWhiteSpaces(tempString);
//_detail = PodUtil.ProcessGarbledChar(tempString);
// the following is not working because the <p> not being properly closed
//HtmlNode detailNode = node.SelectSingleNode("descendant::p[3]");
//if(detailNode != null)
//{
// _detail = detailNode.InnerText;
//}
}
GetPicUrl(false);
}
