public async Task <MessageDto> Handle(SendMessageToGroupCommand request, CancellationToken cancellationToken)
{
var player = await _securityDataProvider.GetCurrentLoggedInPlayer();
var groupMember =
await _repository.GetSingleBySpec(
new GetGroupMemberShipSpecification(player.Id, request.GroupId));
if (groupMember == null)
{
throw new InvalidOperationException("Can not send message to a group which the player has not joined yet");
}
var messageHistory = new MessageHistory()
{
PlayerId = player.Id,
GroupId = groupMember.GroupId,
Message = request.Message,
Created = DateTime.UtcNow,
Modified = DateTime.UtcNow
};
await _repository.Add(messageHistory);
return(new MessageDto()
{
PlayerId = messageHistory.PlayerId,
PlayerName = player.UserName,
GroupId = messageHistory.GroupId,
Message = request.Message,
SentOn = messageHistory.Created
});
}
public async Task <Unit> Handle(JoinGroupCommand request, CancellationToken cancellationToken)
{
var player = await _securityDataProvider.GetCurrentLoggedInPlayer();
var group = await _repository.GetSingleBySpec(new GroupSearchSpecification(request.GroupId));
if (group.PlayerGroupMaps.Any(x => x.PlayerId == player.Id))
{
throw new InvalidOperationException("Player already joined the group");
}
int maxAllowedGroupMemberCount = int.Parse(_configuration["MaxAllowedGroupMemberCount"]);
if (group.PlayerGroupMaps.Count >= maxAllowedGroupMemberCount)
{
throw new InvalidOperationException($"Max group member limit exceeded. Allowed Limit: " + maxAllowedGroupMemberCount);
}
var playerGroupMapping = new PlayerGroupMapping
{
PlayerId = player.Id,
GroupId = group.Id,
Created = DateTime.UtcNow,
Modified = DateTime.UtcNow
};
await _repository.Add(playerGroupMapping);
return(Unit.Value);
}
public async Task <IList <GroupDto> > Handle(GetAllGroupQuery request, CancellationToken cancellationToken)
{
var groups = await _repository.List(new GetAllGroupSpecification());
var player = await _securityDataProvider.GetCurrentLoggedInPlayer();
var result = groups?.Select(x => new GroupDto
{
Name = x.Name,
GroupId = x.Id,
IsMember = x.PlayerGroupMaps.Any(y => y.PlayerId == player.Id)
}).ToList();
return(result);
}
public async Task <Unit> Handle(LeaveGroupCommand request, CancellationToken cancellationToken)
{
var player = await _securityDataProvider.GetCurrentLoggedInPlayer();
var group = await _repository.GetSingleBySpec(new GroupSearchSpecification(request.GroupId));
var groupMember = group.PlayerGroupMaps.SingleOrDefault(x => x.PlayerId == player.Id);
if (groupMember == null)
{
throw new InvalidOperationException("Player is not member of the group");
}
await _repository.Delete(groupMember);
return(Unit.Value);
}
public async Task <IList <MessageDto> > Handle(GetMessagesOfGroupQuery request, CancellationToken cancellationToken)
{
var player = await _securityDataProvider.GetCurrentLoggedInPlayer();
var memberShip = await _repository.GetSingleBySpec(new GetGroupMemberShipSpecification(player.Id, request.GroupId));
if (memberShip == null)
{
throw new InvalidOperationException("Can not retrieve messages of a group which the player has not joined yet");
}
var allMessageHistory =
(await _repository.List(new GetAllMessageHistorySpecification(request.GroupId))).Select(x => new MessageDto
{
PlayerId = x.PlayerId,
PlayerName = x.Player.UserName,
GroupId = x.GroupId,
Message = x.Message,
SentOn = x.Created
}).OrderBy(x => x.SentOn).ToList();
return(allMessageHistory);
}