public string UpdateStore(Guid userId, Guid appId, Diff diff)
{
using (var context = new SsoModel())
{
var currentStore = context.SsoStores.SingleOrDefault(s => s.UserId == userId && s.AppId == appId);
if (currentStore != null)
{
if (currentStore.Store.GetSHA1() != diff.Hash)
throw ExceptionHelper.Conflict("hash is not relevant");
var store = string.Concat(
currentStore.Store.Substring(0, diff.Start),
diff.Value,
currentStore.Store.Substring(currentStore.Store.Length - diff.End, diff.End));
currentStore.Store = store;
context.SaveChanges();
return store.GetSHA1();
}
context.SsoStores.Add(new SsoStore
{
AppId = appId,
UserId = userId,
Store = diff.Value
});
context.SaveChanges();
return diff.Value.GetSHA1();
}
}
public string UpdateStore(Guid userId, Guid appId, Diff diff)
{
try
{
_storeLoker.EnterWriteLock();
CheckDirectory(userId, appId);
using (var file = File.Open(GetSotrePath(userId, appId), FileMode.OpenOrCreate, FileAccess.ReadWrite))
using (var reader = new StreamReader(file))
using (var writer = new StreamWriter(file))
{
var currentStore = reader.ReadToEnd();
if (currentStore.GetSHA1() != diff.Hash) throw ExceptionHelper.Conflict("hash is not relevant");
var store = string.Concat(
currentStore.Substring(0, diff.Start),
diff.Value,
currentStore.Substring(currentStore.Length - diff.End, diff.End));
file.SetLength(0);
writer.Write(store);
return store.GetSHA1();
}
}
finally
{
_storeLoker.ExitWriteLock();
}
}