public void InsertManual(string url, byte[] data)
{
ImageCacheEntry e;
lock (_entries) {
if (!_entries.TryGetValue(url, out e))
{
e = new ImageCacheEntry();
e.Url = url;
_entries[url] = e;
}
}
e.Updated = DateTime.Now;
if (String.IsNullOrWhiteSpace(e.File))
{
string prefix = url.GetHashCode().ToString("x");
int count = 0;
do
{
e.File = prefix + count.ToString();
count++;
} while (_usedFiles.Contains(e.File));
_usedFiles.Add(e.File);
}
System.IO.File.WriteAllBytes(System.IO.Path.Combine(_folder, e.File), data);
}
private void TriggerDownload(string url, Guid modID)
{
ImageCacheEntry e;
lock (_entries) {
if (!_entries.TryGetValue(url, out e))
{
e = new ImageCacheEntry();
e.Url = url;
_entries[url] = e;
}
}
e.Updated = DateTime.Now;
string file = e.File;
if (String.IsNullOrEmpty(file))
{
string prefix = url.GetHashCode().ToString("x");
int count = 0;
do
{
file = prefix + count.ToString();
count++;
} while(_usedFiles.Contains(file));
_usedFiles.Add(file);
}
Sys.Downloads.Download("iros://Url/" + url.Replace("://", "$"), System.IO.Path.Combine(_folder, file + ".tmp"), "Downloading preview image", new Install.InstallProcedureCallback(ae => {
if (ae.Error == null)
{
lock (_entries) {
e.File = file;
string f = System.IO.Path.Combine(_folder, file);
if (System.IO.File.Exists(f))
{
System.IO.File.Delete(f);
}
System.IO.File.Move(System.IO.Path.Combine(_folder, file + ".tmp"), f);
}
}
else
{
System.Diagnostics.Debug.WriteLine("ImageCache:Download error: " + ae.Error.ToString());
}
Sys.Ping(modID);
}), null);
}
public void InsertManual(string url, byte[] data)
{
ImageCacheEntry e;
lock (_entryLock) {
if (!_entries.TryGetValue(url, out e))
{
e = new ImageCacheEntry();
e.Url = url;
_entries[url] = e;
}
}
e.Updated = DateTime.Now;
if (String.IsNullOrWhiteSpace(e.File))
{
string prefix = url.GetHashCode().ToString("x");
int count = 0;
do
{
e.File = prefix + count.ToString();
count++;
} while (_usedFiles.Contains(e.File));
_usedFiles.Add(e.File);
}
try
{
File.WriteAllBytes(Path.Combine(_folder, e.File), data);
}
catch (IOException ioex)
{
// IOException can be thrown if image is in-use at the time e.g. being previewed
Sys.Message(new WMessage($"Failed to update image cache file: {ioex.Message}", WMessageLogLevel.LogOnly));
}
catch (Exception ex)
{
Sys.Message(new WMessage("Failed to update image cache file", WMessageLogLevel.LogOnly, ex));
}
}
private void TriggerDownload(string url, Guid modID)
{
ImageCacheEntry e;
lock (_entryLock)
{
if (!_entries.TryGetValue(url, out e))
{
e = new ImageCacheEntry();
e.Url = url;
_entries[url] = e;
}
}
e.Updated = DateTime.Now;
string file = e.File;
if (string.IsNullOrWhiteSpace(file))
{
file = GetCacheFileName(url);
}
string pathToTempDownload = Path.Combine(_folder, file + ".tmp");
DownloadItem download = new DownloadItem()
{
Links = new List <string> {
LocationUtil.FormatHttpUrl(url)
},
SaveFilePath = pathToTempDownload,
ItemName = "Downloading preview image",
Category = DownloadCategory.Image
};
download.IProc = new Install.InstallProcedureCallback(ae =>
{
if (ae.Error == null)
{
lock (_entryLock)
{
e.File = file;
}
try
{
try
{
// delete existing cache file and rename .tmp file to match cache file name
string f = Path.Combine(_folder, file);
if (File.Exists(f))
{
File.Delete(f);
}
File.Move(pathToTempDownload, f);
}
catch (IOException)
{
// this happens while the file is in-use. the file will be renamed and image cache entry updated to point to new file instead
file = GetCacheFileName(url);
File.Move(pathToTempDownload, file);
e.File = file;
}
Sys.PingInfoChange(modID);
}
catch (Exception ex)
{
Sys.Message(new WMessage("failed to get preview image", WMessageLogLevel.Error, ex));
}
}
else
{
Sys.Message(new WMessage("ImageCache Download error: " + ae.Error.ToString(), WMessageLogLevel.LogOnly, ae.Error));
}
});
Sys.Downloads.AddToDownloadQueue(download);
}
