public void SetStarred(SetViewModel set, bool starred, Action completed, Action <Exception> errorHandler)
{
if (starred == set.Starred)
{
return;
}
api.SetStarred(
set.ID,
starred,
delegate {
cache.SetStarred(set.ID, starred);
if (starred)
{
FavouriteSets.Add(set);
}
else
{
FavouriteSets.Remove(set);
}
set.Starred = starred;
completed();
},
errorHandler,
new CancellationToken());
}
public SetViewModel GetSet(long id, bool loadTerms)
{
// Try to return an instance we already have, if possible.
var existing = MySets.FirstOrDefault(s => s.ID == id)
?? FavouriteSets.FirstOrDefault(s => s.ID == id)
?? Groups.SelectMany(g => g.Sets).FirstOrDefault(s => s.ID == id);
if (existing != null)
{
if (loadTerms && !existing.TermsLoaded)
{
LoadTerms(existing);
}
return(existing);
}
var si = cache.GetSet(id, loadTerms);
if (si == null)
{
return(null);
}
bool starred = cache.GetFavourites().Any(x => x.ID == si.Value.ID);
return(new SetViewModel(this, si.Value)
{
Starred = starred
});
}
public void Delete(SetViewModel set, Action success, Action <Exception> errorHandler)
{
Action completion = delegate {
MySets.Remove(s => s.ID == set.ID);
FavouriteSets.Remove(s => s.ID == set.ID);
foreach (var g in Groups)
{
g.Sets.Remove(s => s.ID == set.ID);
}
cache.RemoveSet(set.ID);
success();
};
api.DeleteSet(
set.ID,
completion,
err => {
if (err is ItemDeletedException)
{
completion(); // This case can hardly be considered an error.
}
else
{
errorHandler(err);
}
},
new CancellationToken());
}
public void LoadData()
{
if (IsDataLoaded)
{
return;
}
try {
Metrics.Measure("MainViewModel.LoadData()", delegate {
Metrics.Measure("Load ModelCache", delegate {
cache = api.Credentials != null
? new ModelCache(api.Credentials)
: new ModelCache();
});
if (cache.Credentials == null)
{
return;
}
if (!api.Authenticate(cache.Credentials))
{
cache.LogOut();
LogOut();
return;
}
UserName = cache.Credentials.UserName;
Metrics.Measure("Create group view models", delegate {
foreach (var si in cache.GetMySets())
{
MySets.Add(new SetViewModel(this, si));
}
foreach (var si in cache.GetRecentSets().Take(8))
{
RecentSets.Add(new SetViewModel(this, si));
}
foreach (var si in cache.GetFavourites())
{
FavouriteSets.Add(new SetViewModel(this, si)
{
Starred = true
});
}
});
Metrics.Measure("Create group view models", delegate {
foreach (var gi in cache.GetGroups())
{
Groups.Add(new GroupViewModel(this, gi));
}
});
Metrics.Measure("Load profile image", LoadProfileImage);
IsDataLoaded = true;
});
} catch (CacheIndexMissingException) {
// XXX This will never happen
}
}