private static async Task <String> pageLockAsync(String url, Func <Task <string> > run)
{
using (var box = App.Auto.Cube())
{
PageLock pl = box["PageLock", url].Select <PageLock>();
if (pl == null)
{
pl = new PageLock
{
url = url,
time = DateTime.Now
};
}
else if ((DateTime.Now - pl.time).TotalSeconds > (60 * 5))
{
pl.time = DateTime.Now;
}
else
{
return("Running");
}
box["PageLock"].Replace(pl);
if (box.Commit() != CommitResult.OK)
{
return("Running");
}
}
try
{
return(await run());
}
finally
{
App.Auto.Delete("PageLock", url);
}
}
public static async Task <String> indexTextAsync(String name, bool onlyDelete)
{
String url = getUrl(name);
using (var box = App.Auto.Cube())
{
PageLock pl = box["PageLock", url].Select <PageLock>();
if (pl == null)
{
pl = new PageLock {
url = url, time = DateTime.Now
};
}
else if ((DateTime.Now - pl.time).TotalSeconds > 120)
{
pl.time = DateTime.Now;
}
else
{
return("Running");
}
box["PageLock"].Replace(pl);
if (box.Commit() != CommitResult.OK)
{
return("Running");
}
}
try
{
foreach (Page p in App.Auto.Select <Page>("from Page where url==?", url))
{
engine.indexTextNoTran(App.Auto, commitCount, p.id, p.content.ToString(), true);
engine.indexTextNoTran(App.Auto, commitCount, p.rankUpId(), p.rankUpDescription(), true);
App.Auto.Delete("Page", p.id);
}
if (onlyDelete)
{
return("deleted");
}
{
Page p = await Page.GetAsync(url);
if (p == null)
{
return("temporarily unreachable");
}
else
{
p.id = App.Auto.NewId();
App.Auto.Insert("Page", p);
engine.indexTextNoTran(App.Auto, commitCount, p.id, p.content.ToString(), false);
engine.indexTextNoTran(App.Auto, commitCount, p.rankUpId(), p.rankUpDescription(), false);
return(p.url);
}
}
}
finally
{
App.Auto.Delete("PageLock", url);
}
}