public IDatabaseError SaveMessageToStash(IStashMessage stashMessage)
{
if (!stashMessage.IsEncrypt)
{
throw new ArgumentException("An unencrypted message cannot be stored in a stash");
}
if (!stashMessage.IsDownloaded)
{
throw new ArgumentException("An undownloaded message cannot be stored in a stash");
}
StashMessageModel messageModel = ((IStashMessageDatabaseModelConverter)stashMessage).ToStashMessageModel();
using (StashMessagesContext db = new StashMessagesContext())
{
if (!CheckStashLimit(stashMessage.ChatId, db))
{
return(new StashFullError());
}
db.StashMessages.Add(messageModel);
db.SaveChanges();
}
return(new NullError());
}
private bool CheckStashLimit(long chatId, StashMessagesContext db)
{
int count = db.StashMessages
.Where(message => message.ChatId == chatId)
.Count();
return(count < StashSettings.StashMessageLimit);
}
public bool IsStashExist(long chatId)
{
using (StashMessagesContext db = new StashMessagesContext())
{
StashMessageModel messageModel = db.StashMessages
.Where(message => message.ChatId == chatId)
.FirstOrDefault();
return(messageModel != null);
}
}
public void ClearStash(long chatId)
{
using (StashMessagesContext db = new StashMessagesContext())
{
IQueryable <StashMessageModel> messageModels = db.StashMessages
.Where(message => message.ChatId == chatId);
foreach (StashMessageModel messageModel in messageModels)
{
db.Remove(messageModel);
}
db.SaveChanges();
}
}
public void DeleteStashMessage(long chatId, long databaseMessageId)
{
using (StashMessagesContext db = new StashMessagesContext())
{
StashMessageModel messageModel = db.StashMessages
.Where(message => (message.ChatId == chatId) && (message.Id == databaseMessageId))
.FirstOrDefault();
if (messageModel != null)
{
db.Remove(messageModel);
db.SaveChanges();
}
}
}
public void SaveMessageToStash(IStashMessage stashMessage)
{
if (!stashMessage.IsEncrypt)
{
throw new ArgumentException("An unencrypted message cannot be stored in a stash");
}
if (!stashMessage.IsDownloaded)
{
throw new ArgumentException("An undownloaded message cannot be stored in a stash");
}
StashMessageModel messageModel = ((IStashMessageDatabaseModelConverter)stashMessage).ToStashMessageModel();
using (StashMessagesContext db = new StashMessagesContext())
{
db.StashMessages.Add(messageModel);
db.SaveChanges();
}
}
public ICollection <IStashMessage> GetMessagesFromStash(long chatId)
{
List <IStashMessage> stashMessages = new List <IStashMessage>();
if (!IsStashExist(chatId))
{
return(stashMessages);
}
using (StashMessagesContext db = new StashMessagesContext())
{
IQueryable <StashMessageModel> stashMessageModel = db.StashMessages
.Where(message => message.ChatId == chatId);
foreach (StashMessageModel messageModel in stashMessageModel)
{
IStashMessage stashMessage = CreateStashMessage(null);
((IStashMessageDatabaseModelConverter)stashMessage).FromStashMessageModel(messageModel);
stashMessages.Add(stashMessage);
}
}
return(stashMessages);
}