public async Task <IConversation> Create(string topic)
{
if (string.IsNullOrWhiteSpace(topic))
{
return(null);
}
DAL.Conversation entity = new DAL.Conversation
{
IsActive = true,
OpenDateTime = DateTime.UtcNow,
Topic = topic
};
this._commandContext.Conversations.Add(entity);
await this._commandContext.SaveChangesAsync();
var conversation = new Conversation
{
ConversationId = entity.ConversationId,
IsActive = true,
OpenDateTime = entity.OpenDateTime,
Topic = topic
};
return(conversation);
}
public async Task <IConversation> Persist(IConversation conversation)
{
if (conversation == null)
{
return(null);
}
DAL.Conversation entity = null;
bool addEntity = false;
if (conversation.ConversationId > 0)
{
entity = await _queryContext.Conversations.AsNoTracking().Where(d => d.ConversationId == conversation.ConversationId).FirstOrDefaultAsync();
}
if (entity == null)
{
addEntity = true;
entity = new DAL.Conversation
{
OpenDateTime = DateTime.UtcNow,
IsActive = true
};
}
else
{
this._commandContext.Conversations.Attach(entity);
}
entity.Topic = conversation.Topic;
if (addEntity)
{
this._commandContext.Conversations.Add(entity);
}
await this._commandContext.SaveChangesAsync();
conversation.ConversationId = entity.ConversationId;
return(conversation);
}
