public ICommandResult <TOutput> Execute <TInput, TOutput>(ISerialization <TInput> input, ISerialization <TOutput> output, TInput data)
{
var either = CommandResult <TOutput> .Check <Argument <TInput>, TInput>(input, output, data, CreateExampleArgument);
if (either.Error != null)
{
return(either.Error);
}
var argument = either.Argument;
var rootType = DomainModel.Find(argument.Name);
if (rootType == null)
{
return(CommandResult <TOutput> .Fail(
"Couldn't find aggregate root type {0}.".With(argument.Name),
@"Example argument:
" + CommandResult <TOutput> .ConvertToString(CreateExampleArgument(output))));
}
if (!typeof(IAggregateRoot).IsAssignableFrom(rootType))
{
return(CommandResult <TOutput> .Fail(@"Specified type ({0}) is not an aggregate root.
Please check your arguments.".With(argument.Name), null));
}
if (!Permissions.CanAccess(rootType))
{
return
(CommandResult <TOutput> .Return(
HttpStatusCode.Forbidden,
default(TOutput),
"You don't have permission to access: {0}.",
argument.Name));
}
if (argument.Uri == null)
{
return(CommandResult <TOutput> .Fail(
"Uri to update not specified.",
@"Example argument:
" + CommandResult <TOutput> .ConvertToString(CreateExampleArgument(output, rootType))));
}
if (argument.Data == null)
{
return(CommandResult <TOutput> .Fail(
"Data to update not specified.",
@"Example argument:
" + CommandResult <TOutput> .ConvertToString(CreateExampleArgument(output, rootType))));
}
try
{
var commandType = typeof(UpdateCommand <>).MakeGenericType(rootType);
var command = Activator.CreateInstance(commandType) as IUpdateCommand;
var result = command.Update(input, output, Locator, argument.Uri, argument.Data);
return(CommandResult <TOutput> .Success(result, "Object updated"));
}
catch (ArgumentException ex)
{
return(CommandResult <TOutput> .Fail(
ex.Message,
ex.GetDetailedExplanation() + @"
Example argument:
" + CommandResult <TOutput> .ConvertToString(CreateExampleArgument(output, rootType))));
}
}
