void Apply(AddedNewCommentEvent @event)
{
var comment = new LessonComment()
{
Id = @event.CommentId,
AuthorId = @event.AuthorId,
Content = @event.Content,
CreationDate = @event.Date,
LastModifDate = @event.Date,
ParentId = @event.ParentId,
Level = @event.Level,
RecordState = Constants.RECORD_STATE_ACTIVE
};
Comments.Add(comment);
}
public void Handle(AddedNewCommentEvent @event)
{
using (var db = new DisciturContext())
{
// get read-model Ids (ID-maps)
int lessonId = _identityMapper.GetModelId <Lesson>(@event.Id);
int userId = _identityMapper.GetModelId <User>(@event.AuthorId);
int?parentId = @event.ParentId.Equals(Guid.Empty) ? null : (int?)_identityMapper.GetModelId <LessonComment>(@event.ParentId);
// get involved read-model entities
User author = db.Users.Find(userId);
Lesson lesson = db.Lessons.Find(lessonId);
// Create new Read-Model Lesson's Comment
LessonComment comment = new LessonComment();
comment.Content = @event.Content;
comment.CreationDate = @event.Date;
comment.Date = @event.Date;
comment.LastModifDate = @event.Date;
comment.LessonId = lessonId;
comment.Level = @event.Level;
comment.ParentId = parentId;
comment.Vers = 1;
comment.RecordState = Constants.RECORD_STATE_ACTIVE;
comment.UserId = userId;
comment.Author = author;
comment.LastModifUser = author.UserName;
db.LessonComments.Add(comment);
// Update Lesson's version
// TODO: is it correct to update readModel "devops fields" of lesson in this case?
UpdateLessonArchFields(lesson, author.UserName, @event.Date, @event.Version);
// Persist changes
db.Entry(lesson).State = EntityState.Modified;
db.SaveChanges();
// Map new IDs
// NOTE: Comment is NOT and AR, but it's mapped with it's own Id-map for compatibility with existant read-model
_identityMapper.Map <LessonComment>(comment.Id, @event.CommentId);
}
}
void Apply(AddedNewCommentEvent @event)
{
var comment = new LessonComment()
{
Id = @event.CommentId,
AuthorId = @event.AuthorId,
Content = @event.Content,
CreationDate = @event.Date,
LastModifDate = @event.Date,
ParentId = @event.ParentId,
Level = @event.Level,
RecordState = Constants.RECORD_STATE_ACTIVE
};
Comments.Add(comment);
}
