public async Task <List <Conversation> > MyConversations(string userId)
{
var personalRelations = await PrivateConversations
.AsNoTracking()
.Where(t => t.RequesterId == userId || t.TargetId == userId)
.Include(t => t.RequestUser)
.Include(t => t.TargetUser)
.Include(t => t.Messages)
.ThenInclude(t => t.Ats)
.ToListAsync();
var groups = await GroupConversations
.AsNoTracking()
.Where(t => t.Users.Any(p => p.UserId == userId))
.Include(t => t.Messages)
.ThenInclude(t => t.Ats)
.Include(t => t.Users)
.ThenInclude(t => t.User)
.ToListAsync();
var myConversations = new List <Conversation>();
myConversations.AddRange(personalRelations);
myConversations.AddRange(groups);
return(myConversations);
}
public void AddFriend(string userId1, string userId2)
{
PrivateConversations.Add(new PrivateConversation
{
RequesterId = userId1,
TargetId = userId2,
AESKey = Guid.NewGuid().ToString("N")
});
}
public async Task <List <string> > MyPersonalFriendsId(string userId)
{
var personalRelations = await PrivateConversations
.AsNoTracking()
.Where(t => t.RequesterId == userId || t.TargetId == userId)
.Select(t => userId == t.RequesterId ? t.TargetId : t.RequesterId)
.ToListAsync();
return(personalRelations);
}
public async Task <PrivateConversation> FindConversationAsync(string userId1, string userId2)
{
var relation = await PrivateConversations.SingleOrDefaultAsync(t => t.RequesterId == userId1 && t.TargetId == userId2);
if (relation != null)
{
return(relation);
}
var belation = await PrivateConversations.SingleOrDefaultAsync(t => t.RequesterId == userId2 && t.TargetId == userId1);
return(belation);
}
public PrivateConversation AddFriend(string userId1, string userId2)
{
var conversation = new PrivateConversation
{
RequesterId = userId1,
TargetId = userId2,
AESKey = Guid.NewGuid().ToString("N")
};
PrivateConversations.Add(conversation);
return(conversation);
}
public async Task RemoveFriend(string userId1, string userId2)
{
var relation = await PrivateConversations.SingleOrDefaultAsync(t => t.RequesterId == userId1 && t.TargetId == userId2);
var belation = await PrivateConversations.SingleOrDefaultAsync(t => t.RequesterId == userId2 && t.TargetId == userId1);
if (relation != null)
{
PrivateConversations.Remove(relation);
}
if (belation != null)
{
PrivateConversations.Remove(belation);
}
}
public Task <PrivateConversation> FindConversationAsync(string userId1, string userId2)
{
return(PrivateConversations.Where(t =>
(t.RequesterId == userId1 && t.TargetId == userId2) ||
(t.RequesterId == userId2 && t.TargetId == userId1)).FirstOrDefaultAsync());
}
