public async Task HandleAsync(AssignRoleToMemberCommand command)
{
var groupId = GroupId.From(command.GroupId);
var group = await _groupRepository.GetAsync(groupId) ?? throw new GroupNotFoundException(groupId);
group.AssignRole(UserId.From(command.UserId), UserId.From(command.UserIdOfMember), RoleId.From(command.RoleId));
}
public ActionResult <User> Get(Guid tenantId, Guid userId)
{
var unverifiedTenantId = UnverifiedTenantId.From(tenantId);
var userIdVal = UserId.From(userId);
try
{
var knownTenantId = TenantIdExistsQueryHandler.Execute(new TenantIdExistsQuery(unverifiedTenantId));
try
{
var user = UserQueryHandler.Execute(new UserQuery(userIdVal, knownTenantId));
return(new JsonResult(user));
}
catch (Exception)
{
return(NotFound());
}
}
catch (Exception)
{
return(UnprocessableEntity());
}
}
public async Task HandleAsync(KickMemberCommand command)
{
var groupId = GroupId.From(command.GroupId);
var group = await _groupRepository.GetAsync(groupId) ?? throw new GroupNotFoundException(groupId);
group.KickMember(UserId.From(command.UserId), UserId.From(command.UserIdOfMember));
}
public async Task <IEnumerable <MemberDto> > HandleAsync(GetMembersQuery query)
{
var members = _context.Groups.AsNoTracking()
.Where(x => x.Id == GroupId.From(query.GroupId))
.Where(x => x.Members.Select(m => m.UserId).Any(id => id == UserId.From(query.UserId)))
.SelectMany(x => x.Members);
if (query.IsOwner)
{
members = members.Where(x => x.IsOwner);
}
if (query.UserIdOfMember.HasValue)
{
members = members.Where(x => x.UserId == UserId.From(query.UserIdOfMember.Value));
}
return(await members
.Select(
x => new MemberDto
{
GroupId = query.GroupId,
UserId = x.UserId.Value,
MemberId = x.Id.Value,
IsOwner = x.IsOwner,
CreatedAt = x.CreatedAt,
Name = x.Name.Value
}
)
.ToListAsync());
}
public async Task HandleAsync(MoveUpRoleInHierarchyCommand command)
{
var groupId = GroupId.From(command.GroupId);
var group = await _groupRepository.GetAsync(groupId) ?? throw new GroupNotFoundException(groupId);
group.MoveUpRole(UserId.From(command.UserId), RoleId.From(command.RoleId));
}
public async Task HandleAsync(LeaveGroupCommand command)
{
var groupId = GroupId.From(command.GroupId);
var group = await _groupRepository.GetAsync(groupId) ?? throw new GroupNotFoundException(groupId);
group.LeaveGroup(UserId.From(command.UserId));
}
public async Task HandleAsync(AddRoleCommand command)
{
var groupId = GroupId.From(command.GroupId);
var group = await _groupRepository.GetAsync(groupId) ?? throw new GroupNotFoundException(groupId);
group.AddRole(UserId.From(command.UserId), RoleId.From(command.RoleId), RoleName.Create(command.Name));
}
public async Task HandleAsync(ChangeRoleNameCommand command)
{
var group = await _groupRepository.GetAsync(GroupId.From(command.GroupId)) ??
throw new GroupNotFoundException(GroupId.From(command.GroupId));
group.RenameRole(UserId.From(command.UserId), RoleId.From(command.RoleId), RoleName.Create(command.Name));
}
public async Task <ChannelDto> HandleAsync(GetGroupChannelQuery query)
{
var group = await _context.Groups.AsNoTracking()
.Where(g => g.Id == GroupId.From(query.GroupId))
.Where(g => g.Members.Select(m => m.UserId).Any(id => id == UserId.From(query.UserId)))
.FirstOrDefaultAsync();
if (group is null)
{
return(null);
}
var channels = await _context.Channels.AsNoTracking()
.Where(
x => _context.Groups.Where(g => g.Id == query.GroupId).SelectMany(g => g.Members).Select(m => m.UserId)
.Any(u => u == UserId.From(query.UserId))
)
.Where(x => x.GroupId == GroupId.From(query.GroupId))
.Where(x => x.Id == ChannelId.From(query.ChannelId))
.ToListAsync();
return(channels.Where(c => group.CanAccessChannel(UserId.From(query.UserId), c))
.Select(
x => new ChannelDto
{
ChannelId = x.Id.Value,
GroupId = x.GroupId.Value,
ChannelName = x.Name.Value
}
).FirstOrDefault());
}
public async Task <IEnumerable <GroupMessageView> > HandleAsync(GetMessagesQuery query)
{
var group = await _groupsContext.Groups.AsNoTracking()
.Where(g => g.Members.Select(m => m.UserId).Any(id => id == UserId.From(query.UserId)))
.FirstOrDefaultAsync(g => g.Id == GroupId.From(query.GroupId));
var channel = await _groupsContext.Channels.AsNoTracking().FirstOrDefaultAsync(
c => c.GroupId == GroupId.From(query.GroupId) && c.Id == ChannelId.From(query.ChannelId)
);
if (group is null || channel is null)
{
return(new List <GroupMessageView>());
}
if (!group.CanAccessMessages(UserId.From(query.UserId), channel))
{
return(new List <GroupMessageView>());
}
var groupMessageDtos = await _groupsContext.GroupMessages
.Where(m => m.GroupId == query.GroupId &&
m.ChannelId == query.ChannelId)
.ToListAsync();
return(groupMessageDtos);
}
public async Task HandleAsync(RemovePermissionFromRoleCommand command)
{
var groupId = GroupId.From(command.GroupId);
var group = await _groupRepository.GetAsync(groupId) ?? throw new GroupNotFoundException(groupId);
group.RemovePermissionFromRole(UserId.From(command.UserId), RoleId.From(command.RoleId), Permission.FromName(command.PermissionName));
}
public async Task HandleAsync(RemoveOverrideForMemberCommand command)
{
var group = await _groupRepository.GetAsync(GroupId.From(command.GroupId)) ?? throw new GroupNotFoundException(GroupId.From(command.GroupId));
var channel = await _channelRepository.GetAsync(group.Id, ChannelId.From(command.ChannelId));
group.RemoveOverride(UserId.From(command.UserId), channel, UserId.From(command.MemberUserId), Permission.FromName(command.Permission));
}
public async Task HandleAsync(RemoveGroupCommand command)
{
var group = await _groupRepository.GetAsync(GroupId.From(command.GroupId)) ?? throw new GroupNotFoundException(GroupId.From(command.GroupId));
group.Remove(UserId.From(command.UserId));
await _groupRepository.RemoveAsync(group);
}
public async Task HandleAsync(DenyPermissionForRoleCommand command)
{
var group = await _groupRepository.GetAsync(GroupId.From(command.GroupId)) ?? throw new GroupNotFoundException(GroupId.From(command.GroupId));
var channel = await _channelRepository.GetAsync(group.Id, ChannelId.From(command.ChannelId)) ?? throw new ChannelNotFoundException(ChannelId.From(command.ChannelId));
group.DenyPermission(UserId.From(command.UserId), channel, RoleId.From(command.RoleId), Permission.FromName(command.Permission));
}
public async Task HandleAsync(JoinGroupCommand command)
{
var invitationCode = InvitationCode.From(command.Code);
var invitation = await _invitationRepository.GetAsync(invitationCode) ?? throw new InvalidInvitationCodeException(command.Code);
var group = await _groupRepository.GetAsync(invitation.GroupId) ?? throw new GroupNotFoundException(invitation.GroupId);
invitation.Use(UserId.From(command.UserId), group, _clock);
}
public async Task HandleAsync(AddGroupMember command)
{
var groupId = GroupId.From(command.GroupId);
var group = await _groupRepository.GetAsync(groupId) ?? throw new GroupNotFoundException(groupId);
var user = await _moduleClient.GetAsync <UserDto>("/identity/me", new MeQuery(command.UserIdOfMember));
var avatar = await GetAvatar(user.Avatar);
group.AddMember(UserId.From(command.UserIdOfMember), MemberName.Create(user.Nickname), avatar, _clock);
}
public async Task HandleAsync(UpdateRolePermissionOverrideCommand command)
{
var group = await _groupRepository.GetAsync(GroupId.From(command.GroupId)) ??
throw new GroupNotFoundException(GroupId.From(command.GroupId));
var channel = await _channelRepository.GetAsync(group.Id, ChannelId.From(command.ChannelId)) ??
throw new ChannelNotFoundException(ChannelId.From(command.ChannelId));
group.UpdateOverrides(UserId.From(command.UserId), channel, RoleId.From(command.RoleId),
command.Overrides.Select(o => (Permission.FromName(o.Permission), (PermissionOverrideType)o.Type)));
}
public async Task HandleAsync(RevokeInvitationCommand command)
{
var group = await _groupRepository.GetAsync(GroupId.From(command.GroupId)) ??
throw new GroupNotFoundException(GroupId.From(command.GroupId));
var invitation = await _invitationRepository.GetAsync(InvitationId.From(command.InvitationId));
group.RevokeInvitation(UserId.From(command.UserId), invitation);
await _invitationRepository.RemoveAsync(invitation);
}
public async Task HandleAsync(RenameChannelCommand command)
{
var group = await _groupRepository.GetAsync(GroupId.From(command.GroupId)) ??
throw new GroupNotFoundException(GroupId.From(command.GroupId));
var channel = await _channelRepository.GetAsync(group.Id, ChannelId.From(command.ChannelId)) ??
throw new ChannelNotFoundException(ChannelId.From(command.ChannelId));
var name = ChannelName.Create(command.Name);
group.RenameChannel(UserId.From(command.UserId), channel, name);
}
public async Task <InvitationDto> HandleAsync(GetInvitationQuery query)
{
var group = await _context.Groups.AsNoTracking().SingleOrDefaultAsync(x => x.Id == GroupId.From(query.GroupId));
if (!group?.CanAccessInvitations(UserId.From(query.UserId)) ?? false)
{
return(null);
}
var result = await _context.Invitations
.Where(x => _context.Groups.Where(g => g.Id == GroupId.From(query.GroupId)).SelectMany(g => g.Members).Any(m => m.UserId == UserId.From(query.UserId)))
.Where(x => x.GroupId == GroupId.From(query.GroupId))
.Where(x => x.Id == InvitationId.From(query.InvitationId))
.Select(
x => new
{
GroupId = x.GroupId.Value,
InvitationId = x.Id.Value,
Code = x.InvitationCode.Value,
ExpirationTimeType =
EF.Property <ExpirationTimeType>(EF.Property <ExpirationTimeContainer>(x, "_expirationTime"), "_type"),
ExpirationStart =
EF.Property <DateTimeOffset>(EF.Property <ExpirationTimeContainer>(x, "_expirationTime"), "_start"),
ExpirationPeriod =
EF.Property <TimeSpan?>(EF.Property <ExpirationTimeContainer>(x, "_expirationTime"), "_period"),
UsageCounterType =
EF.Property <UsageCounterType>(EF.Property <UsageCounterContainer>(x, "_usageCounter"), "_type"),
UsageCounter =
EF.Property <int?>(EF.Property <UsageCounterContainer>(x, "_usageCounter"), "_value"),
}
).ToListAsync();
return(result.Select(
x => new InvitationDto
{
GroupId = x.GroupId,
InvitationId = x.InvitationId,
Code = x.Code,
ExpirationTime = new ExpirationTimeDto
{
Type = (ExpirationTimeTypeDto)(int)x.ExpirationTimeType,
Start = x.ExpirationStart,
Period = x.ExpirationPeriod
},
UsageCounter = new UsageCounterDto
{
Type = (UsageCounterTypeDto)(int)x.UsageCounterType,
Value = x.UsageCounter
}
}
).FirstOrDefault());
}
public async Task HandleAsync(CreateChannelCommand command)
{
var groupId = GroupId.From(command.GroupId);
var group = await _groupRepository.GetAsync(groupId) ?? throw new GroupNotFoundException(groupId);
if (await _channelRepository.ExistsAsync(group.Id, ChannelId.From(command.ChannelId)))
{
throw new ChannelAlreadyExistsException(command.ChannelId);
}
var channel = group.CreateChannel(UserId.From(command.UserId), ChannelId.From(command.ChannelId), ChannelName.Create(command.ChannelName));
await _channelRepository.AddAsync(channel);
}
public async Task HandleAsync(SendMessageCommand command)
{
var group = await _groupRepository.GetAsync(GroupId.From(command.GroupId)) ?? throw new GroupNotFoundException(GroupId.From(command.GroupId));
var channel = await _channelRepository.GetAsync(group.Id, ChannelId.From(command.ChannelId)) ?? throw new ChannelNotFoundException(ChannelId.From(command.ChannelId));
if (await _messageRepository.ExistsAsync(ChannelId.From(command.ChannelId), MessageId.From(command.MessageId)))
{
throw new MessageAlreadyExistsException(command.MessageId);
}
var message = group.SendMessage(UserId.From(command.UserId), channel, MessageId.From(command.MessageId), MessageContent.Create(command.Content), _clock);
await _messageRepository.AddAsync(message);
}
public async Task HandleAsync(UpdateRolePermissionsCommand command)
{
var groupId = GroupId.From(command.GroupId);
var group = await _groupRepository.GetAsync(groupId) ?? throw new GroupNotFoundException(groupId);
var actions = command.Permissions.Select(
x => x.IsOn
? (Action)(() => group.AddPermissionToRole(UserId.From(command.UserId), RoleId.From(command.RoleId), Permission.FromName(x.Permission)))
: () => group.RemovePermissionFromRole(UserId.From(command.UserId), RoleId.From(command.RoleId), Permission.FromName(x.Permission))
);
foreach (var action in actions)
{
action.Invoke();
}
}
public async Task <IEnumerable <RoleDto> > HandleAsync(GetMemberRolesQuery query)
{
var memberRoleIds = await _context.Groups
.AsNoTracking()
.Where(x => x.Id == GroupId.From(query.GroupId))
.SelectMany(x => x.Members)
.Where(x => x.UserId == UserId.From(query.UserIdOfMember))
.SelectMany(x => x.Roles).ToListAsync();
return(await _context.Groups.AsNoTracking()
.Where(x => x.Id == GroupId.From(query.GroupId))
.SelectMany(x => x.Roles)
.Where(x => memberRoleIds.Contains(x.Id))
.OrderByDescending(x => x.Priority)
.Select(x => new RoleDto(query.GroupId, x.Id.Value, x.Name.Value, x.Priority.Value))
.ToListAsync());
}
private static void Build(EntityTypeBuilder <Group> group)
{
group.ToTable("Groups");
group.HasKey(x => x.Id)
.HasName("PK_Groups");
group.Property(x => x.Id)
.HasConversion(x => x.Value, x => GroupId.From(x))
.ValueGeneratedNever()
.HasColumnName("GroupId");
group.OwnsOne(
x => x.Name,
n =>
{
n.Property(x => x.Value).HasColumnName(nameof(Group.Name))
.IsRequired();
}
);
group.Property(x => x.CreatedAt).IsRequired();
group.Metadata.FindNavigation(nameof(Group.Members)).SetPropertyAccessMode(PropertyAccessMode.Field);
group.OwnsMany(
x => x.Members,
m =>
{
m.ToTable("Members");
m.HasKey(x => x.Id)
.HasName("PK_Members");
m.Property(x => x.Id)
.HasConversion(x => x.Value, x => MemberId.From(x))
.ValueGeneratedNever()
.IsRequired();
m.Property(x => x.UserId)
.HasConversion(x => x.Value, x => UserId.From(x))
.ValueGeneratedNever()
.IsRequired();
m.Property(x => x.IsOwner).IsRequired();
m.Property(x => x.Name)
.HasConversion(x => x.Value, x => MemberName.Create(x))
.IsRequired();
m.OwnsOne(
u => u.Avatar,
b =>
{
b.Property(x => x !.Value).IsRequired().HasColumnName("Avatar");
}
public async Task <IEnumerable <PermissionOverrideDto> > HandleAsync(GetChannelMemberPermissionOverridesQuery query)
{
var channels = await _context.Channels.ToListAsync();
return(await _context.Channels
.AsNoTracking()
.Where(x => x.GroupId == GroupId.From(query.GroupId))
.Where(x => x.Id == ChannelId.From(query.ChannelId))
.SelectMany(x => x.MemberPermissionOverrides)
.Where(x => x.UserIdOfMember == UserId.From(query.MemberUserId))
.Select(
x => new PermissionOverrideDto
{
Permission = x.Permission.Name,
Type = x.Type == OverrideType.Allow ? OverrideTypeDto.Allow : OverrideTypeDto.Deny
}
).ToListAsync());
}
public async Task HandleAsync(GenerateInvitationCommand command)
{
var groupId = GroupId.From(command.GroupId);
var group = await _groupRepository.GetAsync(groupId) ?? throw new GroupNotFoundException(groupId);
var expirationTime = GetExpirationTime(command);
var usageCounter = GetUsageCounter(command);
var invitation = await group.GenerateInvitation(
UserId.From(command.UserId),
InvitationId.From(command.InvitationId),
expirationTime,
usageCounter,
_uniqueInvitationCodeRule
);
await _invitationRepository.AddAsync(invitation);
}
public async Task <IEnumerable <GroupDto> > HandleAsync(GetGroupsQuery query)
{
var groups = _context.Groups.AsNoTracking()
.Include(x => x.Members)
.Where(x => x.Members.Select(m => m.UserId).Any(x => x == UserId.From(query.UserId)));
if (query.GroupId.HasValue)
{
groups = groups.Where(x => x.Id == GroupId.From(query.GroupId.Value));
}
return(await groups.Select(
x => new GroupDto
{
GroupId = x.Id.Value,
Name = x.Name.Value,
CreatedAt = x.CreatedAt,
OwnerId = x.Members.First(m => m.IsOwner).UserId.Value
}
).ToListAsync());
}
public static User ToUser(this UserState state)
=> User.From(
UserId.From(state.Id),
Name.From(state.Name),
VersionId.From(BitConverter.ToInt32(state.RowVersion)));
public async Task HandleAsync(CreateGroupCommand command)
{
var groupId = GroupId.From(command.GroupId);
if (await _groupRepository.ExistsAsync(groupId))
{
throw new GroupAlreadyExistsException(groupId);
}
var me = await _client.GetAsync <UserDto>("/identity/me", new MeQuery(command.UserId));
var avatar = await GetAvatar(me.Avatar);
var group = Domain.Entities.Group.Create(groupId, GroupName.Create(command.GroupName), UserId.From(command.UserId), MemberName.Create(me.Nickname), avatar, _clock);
await _groupRepository.AddAsync(group);
}