public async Task <GroupDto> GetUserGroupsById(int userId, int groupId)
{
var group = await _unitOfWork.Repository <Group>()
.Query()
.Include(g => g.Members)
.SingleAsync(g => g.Id == groupId);
var selectedMembersId = group.Members.Select(m => m.Id);
if (group != null)
{
if (selectedMembersId.Contains(userId))
{
return(GroupDto.FromModel(group));
}
else
{
return(null);
}
}
else
{
return(null);
}
}
public async Task <IEnumerable <GroupDto> > GetUserGroups(string name)
{
return((await _unitOfWork.Repository <Group>()
.Query()
.Include(g => g.Members)
.Where(item => item.Name.Contains(name))
.ToListAsync())
.Select(gr => GroupDto.FromModel(gr)));
}
public async Task <GroupDto> EditGroup(int userId, int groupId, GroupDto group)
{
var editGroup = await _unitOfWork.Repository <Group>().GetAsync(groupId);
if (editGroup.GroupCreator.Id != userId)
{
return(null);
}
editGroup.Name = group.Name;
editGroup.Description = group.Description;
editGroup.Members.Clear();
foreach (var memberId in group.SelectedMembersId)
{
editGroup.Members.Add(await _unitOfWork.Repository <User>().GetAsync(memberId));
}
_unitOfWork.Repository <Group>().Attach(editGroup);
await _unitOfWork.SaveAsync();
return(GroupDto.FromModel(editGroup));
}
public async Task <GroupDto> AddGroup(int userId, GroupDto group)
{
if (group == null)
{
return(null);
}
var newGroup = new Group()
{
Name = group.Name,
CreatedAt = DateTime.Now,
Description = group.Description,
GroupCreator = await _unitOfWork.Repository <User>().GetAsync(userId),
Avatar = group.Avatar
};
foreach (var memberId in group.SelectedMembersId)
{
newGroup.Members.Add(await _unitOfWork.Repository <User>().GetAsync(memberId));
}
newGroup.Members.Add(newGroup.GroupCreator);
_unitOfWork.Repository <Group>().Add(newGroup);
await _unitOfWork.SaveAsync();
var newGr = _unitOfWork.Repository <Group>().All().LastOrDefault();
if (newGr.Avatar != "")
{
string folderPath = HttpContext.Current.Server.MapPath("~/App_Data/AttachedFiles/");
if (!Directory.Exists(folderPath))
{
Directory.CreateDirectory(folderPath);
}
var filePath = Directory.EnumerateFiles(folderPath, newGr.Avatar + ".*", SearchOption.AllDirectories)
.Where(s => s.EndsWith(".jpg") || s.EndsWith(".png") || s.EndsWith(".bmp") || s.EndsWith(".gif")).FirstOrDefault();
if (filePath != null)
{
string fileType = filePath.Substring(filePath.LastIndexOf('.') + 1);
string destPath = HttpContext.Current.Server.MapPath("~/App_Data/Avatars/") + newGr.Id + "_g_avatar." + fileType;
try
{
File.Delete(destPath);
File.Move(filePath, destPath);
newGr.Avatar = destPath.Substring(destPath.LastIndexOf('\\') + 1);
}
catch
{
; //Do nothing
}
_unitOfWork.Repository <Group>().Attach(newGr);
}
}
await _unitOfWork.SaveAsync();
await _chatHubService.AddGroup(userId);
return(GroupDto.FromModel(newGr));
}
public async Task <IEnumerable <GroupDto> > GetUserGroups(int userId)
{
return((await _unitOfWork.Repository <Group>().AllAsync()).Where(item => item.Members.Any(i => i.Id == userId))
.ToList()
.Select(gr => GroupDto.FromModel(gr)));
}
