private void LoadDeckSerializer()
{
const int totalSteps = 4;
ResetProgressBar(totalSteps);
// Set messages
mLoadResults.Text = "Loading...";
mInfoGrid.Rows.Clear();
IncrementBar();
// Attempt to download sheet into our temp location
// If download fails, default to LKG
string fileToUse;
try
{
using (var client = new WebClient())
{
client.DownloadFile(kGoogleSheetSourceURL, kTempBookFileName);
}
fileToUse = kTempBookFileName;
}
catch (Exception)
{
fileToUse = kLKGBookFileName;
}
IncrementBar();
// We can't do anything if we both failed to download and had no available Last Known Good
if (!File.Exists(fileToUse))
{
mLoadResults.Text = "Failed download with no available LKG";
return;
}
// Load serializer, this will throw on fail
mDeckSerializer = new DeckSerializer(fileToUse, "みんなの日本語");
mDeckSerializer.LoadDecks();
IncrementBar();
// Report invalid decks
List <Deck> invalidDecks = mDeckSerializer.GetInvalidDecks();
bool hasErrors = false;
bool hasEmptyDecks = false;
if (invalidDecks.Count > 0)
{
foreach (Deck deck in invalidDecks)
{
List <string> errors = deck.GetErrors();
if (errors.Count > 0)
{
hasErrors = true;
foreach (string error in errors)
{
AddToInfoGrid(deck, error, true);
}
}
else if (deck.GetCardCount() == 0)
{
hasEmptyDecks = true;
AddToInfoGrid(deck, "Empty deck");
}
else
{
hasErrors = true;
AddToInfoGrid(deck, "Marked as invalid, but unable to identify why", true);
}
}
}
if (hasErrors)
{
mLoadResults.Text = "Errors present; fully valid decks still loaded.";
}
else
{
mLoadResults.Text = (hasEmptyDecks ? "Success, but with empty decks" : "Success!");
// Serializer loaded successfully (we didn't throw an exception during it)
// If we used a file other than LKG, swap
if (fileToUse != kLKGBookFileName)
{
if (File.Exists(kLKGBookFileName))
{
File.Delete(kLKGBookFileName);
}
File.Move(fileToUse, kLKGBookFileName);
}
}
IncrementBar();
// Update our interface with the new values
mBookAndChapterNumbers = mDeckSerializer.GetBookAndChapterNumbers();
mTrackBarMin.Maximum = mBookAndChapterNumbers.Count - 1;
mTrackBarMax.Maximum = mTrackBarMin.Maximum;
mTrackBarMax.Value = mTrackBarMin.Maximum;
UpdateAggregateDisplay();
}