/// <summary>
/// Adds a track to a conference
/// </summary>
/// <param name="trackId">Unique identity of a track</param>
/// <param name="talkId">Unique identity of a talk</param>
/// <param name="title">Title of Talk</param>
/// <param name="description">Description of talk</param>
/// <param name="duration">Duration/Length of talk</param>
/// <returns>An instance of <c>TrackId</c></returns>
public Result <TalkId> AddTalkToTrack(TrackId trackId, TalkId talkId, Title title, Description description, Duration duration)
{
var track = _tracks.FirstOrDefault(t => t.TrackId == trackId);
if (track == null)
{
return(InvalidResult <TalkId> .Create("Invalid track"));
}
var talkAddedToTrackResult = track.CreateAndAddTalk(talkId, title, description, duration);
if (talkAddedToTrackResult.IsFailure)
{
return(InvalidResult <TalkId> .Create(talkAddedToTrackResult.Error.Value.Message));
}
var addedTalk = talkAddedToTrackResult.Data;
var talkCreated = new TalkCreated(addedTalk.TalkId, addedTalk.Title, addedTalk.Description,
addedTalk.StartTime);
AddEvent(talkCreated);
var trackAddedToTack = new TalkAddedToTrack(track.TrackId, addedTalk.TalkId, addedTalk.Title, addedTalk.StartTime);
AddEvent(trackAddedToTack);
return(SuccessResult <TalkId> .Create(talkId));
}
/// <summary>
/// Instantiates an instance of <c>Talk</c>
/// </summary>
/// <param name="talkId">Unique identity of talk</param>
/// <param name="title">Title of Talk</param>
/// <param name="description">Description of talk</param>
/// <param name="duration">Duration/Length of talk</param>
/// <param name="startTime">Start time of the talk</param>
private Talk(TalkId talkId, Title title, Description description, Duration duration, TalkStartTime startTime)
: base(talkId.Id)
{
TalkId = talkId;
Title = title;
Description = description;
Duration = duration;
StartTime = startTime;
}
/// <summary>
/// Creates an instance of <c>TalkId</c>
/// </summary>
/// <param name="id">Unique identity of Talk</param>
/// <returns>An instance of <c>TalkId</c></returns>
public static Result <TalkId> Create(Guid id)
{
if (id == Guid.Empty)
{
return(InvalidResult <TalkId> .Create("Invalid Id"));
}
var talkId = new TalkId(id);
return(SuccessResult <TalkId> .Create(talkId));
}
/// <summary>
/// Adds a talk to a track
/// </summary>
/// <param name="talkId">Unique identity of a talk to be added to track</param>
/// <param name="title">Title of Talk</param>
/// <param name="description">Description of talk</param>
/// <param name="duration">Duration/Length of talk</param>
/// <returns>An instance of <c>Talk</c></returns>
public Result <Talk> CreateAndAddTalk(TalkId talkId, Title title, Description description, Duration duration)
{
var alreadyExistingTalk = _talks.FirstOrDefault(t => t.TalkId == talkId);
if (alreadyExistingTalk != null)
{
return(InvalidResult <Talk> .Create("Talk already added"));
}
DateTime startTime;
if (_nextMorningSession.TimeOfDay.Add(duration.Value) <= _morningSessionEnd.TimeOfDay)
{
// Add to morning
startTime = _nextMorningSession;
_nextMorningSession = _nextMorningSession.Add(duration.Value);
}
else if (_nextAfternoonSession.TimeOfDay.Add(duration.Value) <= _afternoonSessionEnd.TimeOfDay)
{
// Add to afternoon
startTime = _nextAfternoonSession;
_nextAfternoonSession = _nextAfternoonSession.Add(duration.Value);
}
else
{
return(InvalidResult <Talk> .Create("No slot available in the track for the specified duration"));
}
var startTimeResult = TalkStartTime.Create(startTime);
if (startTimeResult.IsFailure)
{
return(InvalidResult <Talk> .Create(startTimeResult.Error.Value.Message));
}
var createTalkResult = Talk.Create(talkId, title, description, duration, startTimeResult.Data);
if (createTalkResult.IsFailure)
{
return(InvalidResult <Talk> .Create(createTalkResult.Error.Value.Message));
}
_talks.Add(createTalkResult.Data);
return(SuccessResult <Talk> .Create(createTalkResult.Data));
}
/// <summary>
/// Creates an instance of <c>Talk</c>
/// </summary>
/// <param name="talkId">Unique identity of talk</param>
/// <param name="title">Title of Talk</param>
/// <param name="description">Description of talk</param>
/// <param name="duration">Duration/Length of talk</param>
/// <param name="startTime">Start time of the talk</param>
public static Result <Talk> Create(TalkId talkId, Title title, Description description, Duration duration, TalkStartTime startTime)
{
var talk = new Talk(talkId, title, description, duration, startTime);
return(SuccessResult <Talk> .Create(talk));
}
