public void Stop(GroupAdministratorIdentifier stoppedBy)
{
if (_active)
{
Raise(new GroupStopped(
_groupId.ToGuid(),
_name.ToString(),
stoppedBy.ToGuid(),
0 // DateTimeOffset.UtcNow.Ticks
));
}
}
public Task when_stopping_a_started_group()
{
var groupId = new GroupIdentifier(Guid.NewGuid());
var administratorId = new GroupAdministratorIdentifier(Guid.NewGuid());
return(new Scenario()
.Given(groupId,
new GroupStarted(
groupId,
"Elvis Afficionados",
administratorId,
0)
)
.When(new StopGroup(
groupId.ToGuid(),
administratorId))
.Then(groupId,
new GroupStopped(
groupId,
"Elvis Afficionados",
administratorId,
0)
)
.AssertAsync(_runner));
}
public async Task <Group> TryLoadById(GroupIdentifier identifier, CancellationToken ct = default(CancellationToken))
{
var stream = new StreamName($"groups-{identifier.ToGuid():N}");
var result = await _reader.ReadStreamAsync(stream, ct);
if (result.State == ReadResultState.Deleted)
{
throw new GroupDeletedException(identifier);
}
return(result.State == ReadResultState.Found ? (Group)result.Value : null);
}
public static Group Start(GroupIdentifier groupId, GroupName name, GroupAdministratorIdentifier startedBy)
{
var group = new Group();
group.Raise(new GroupStarted(
groupId.ToGuid(),
name.ToString(),
startedBy.ToGuid(),
0 // DateTimeOffset.UtcNow.Ticks
));
return(group);
}
public async Task <Group> LoadById(GroupIdentifier identifier, CancellationToken ct = default(CancellationToken))
{
var stream = new StreamName($"groups-{identifier.ToGuid():N}");
var result = await _reader.ReadStreamAsync(stream, ct);
switch (result.State)
{
case ReadResultState.NotFound:
throw new GroupNotFoundException(identifier);
case ReadResultState.Deleted:
throw new GroupDeletedException(identifier);
}
return((Group)result.Value);
}
public GroupDeletedException(GroupIdentifier identifier)
: base($"The group with identifier {identifier.ToGuid():N} was deleted.")
{
}
public GroupNotFoundException(GroupIdentifier identifier)
: base($"The group with identifier {identifier.ToGuid():N} could not be found.")
{
}
