public GroupRepository(UserManager <GearUser> userManager, TContext context)
{
_emptyGroupNameResult = GroupResult.Failed(_emptyGroupError);
_emptyUserResult = GroupResult.Failed(_emptyUserError);
_userManager = userManager;
_context = context;
}
public GroupResult AddUserToGroup(GearUser user, string groupName)
{
var validationResult = ValidateUserAndGroupInput(user, groupName);
if (!validationResult.Succeeded)
{
return(validationResult);
}
var group = _context.AuthGroups.FirstOrDefault(x => x.Name == groupName);
if (group == null)
{
return(GroupResult.Failed(new GroupActionError
{
Code = "NullGroup",
Description = $"The group {groupName} does not exist"
}));
}
else
{
var alreadyExists = _context.UserGroups
.Any(ug => ug.UserId == user.Id &&
ug.AuthGroupId == group.Id);
if (alreadyExists)
{
return(GroupResult.Failed(new GroupActionError
{
Code = "AlreadyExists",
Description = $"The user: {user.UserName} is already part of '{groupName}' group"
}));
}
var groupUserPair = new UserGroup
{
UserId = user.Id,
AuthGroupId = group.Id
};
try
{
_context.UserGroups.Add(groupUserPair);
_context.SaveChanges();
return(GroupResult.Success);
}
catch (Exception ex)
{
return(GroupResult.Failed(new GroupActionError
{
Code = "AddToGroupFail",
Description = $"Adding user: {user.UserName} to group {groupName} failed: {ex.Message}"
}));
}
}
}
private GroupResult ValidateUserAndGroupInput(GearUser user, string groupName, bool isValidatedAlready = false)
{
Arg.NotNull(user, nameof(ValidateUserAndGroupInput));
if (isValidatedAlready)
{
return(GroupResult.Success);
}
var userProvided = user != null || !string.IsNullOrEmpty(user.Id);
var groupNameProvided = !string.IsNullOrEmpty(groupName);
if (!userProvided && !groupNameProvided)
{
return(GroupResult.Failed(_emptyUserError, _emptyGroupError));
}
if (!userProvided)
{
return(_emptyUserResult);
}
return(!groupNameProvided ? _emptyGroupNameResult : GroupResult.Success);
}