private IList<ChangeScript> IdentificarScriptsQueFaltamExecutar(UniqueChange lastChangeToApply, IEnumerable<ChangeScript> scripts, IList<ChangeEntry> aplicados)
{
var listaScriptsParaAplicar = new List<ChangeScript>();
// Re-run any scripts that have not been run, or are failed or resolved.
// The check to exit on previous failure is done before this call.
foreach (var script in scripts)
{
// If script has not been run yet, add it to the list.
bool applyScript = false;
var changeEntry = aplicados.FirstOrDefault(a => a.CompareTo(script) == 0);
if (changeEntry == null)
{
applyScript = true;
}
else
{
// If the script has already been run check if it should be run again.
if (!changeEntry.ExecutedSuccessfully)
{
// Assign the ID so the record can be updated.
script.ChangeId = changeEntry.ChangeId;
applyScript = true;
}
}
if (applyScript)
{
// Just add script if there is no cap specified.
if (lastChangeToApply == null)
{
listaScriptsParaAplicar.Add(script);
}
else if (script.CompareTo(lastChangeToApply) <= 0)
{
// Script is less than last change to apply.
listaScriptsParaAplicar.Add(script);
}
else
{
// Stop adding scripts as last change to apply has been met.
break;
}
}
}
return listaScriptsParaAplicar;
}
/// <summary>
/// Compara os scritps aplicados e os scripts que se encontram no diretório e retorna uma lista dos scripts pendentes de execução
/// </summary>
/// <param name="lastChangeToApply"></param>
/// <returns></returns>
public IList<ChangeScript> ObterScriptsPendenteExecucao(UniqueChange lastChangeToApply)
{
var scriptsAplicados = ObterScriptsAplicados();
var todosScripts = ObterTodosOsScripts();
return IdentificarScriptsQueFaltamExecutar(lastChangeToApply, todosScripts, scriptsAplicados);
}