public static ChannelPermissions CalculatePermissions(IGuild guild, IGuildChannel channel, IMember member, IEnumerable <IRole> roles)
{
if (channel == null)
{
throw new ArgumentNullException(nameof(channel));
}
var guildPermissions = CalculatePermissions(guild, member, roles);
if (guildPermissions.Administrator)
{
return(ChannelPermissions.All);
}
var permissions = ChannelPermissions.Mask(guildPermissions, channel);
foreach (var role in roles.OrderBy(x => x.Position))
{
for (var i = 0; i < channel.Overwrites.Count; i++)
{
var overwrite = channel.Overwrites[i];
if (overwrite.TargetId != role.Id)
{
continue;
}
permissions -= overwrite.Permissions.Denied;
permissions += overwrite.Permissions.Allowed;
}
}
for (var i = 0; i < channel.Overwrites.Count; i++)
{
var overwrite = channel.Overwrites[i];
if (overwrite.TargetId != member.Id)
{
continue;
}
permissions -= overwrite.Permissions.Denied;
permissions += overwrite.Permissions.Allowed;
}
if (!permissions.ViewChannel)
{
return(ChannelPermissions.None);
}
if (channel is ITextChannel && !permissions.SendMessages)
{
permissions -= Permission.AttachFiles |
Permission.EmbedLinks |
Permission.MentionEveryone |
Permission.SendTtsMessages;
}
return(permissions);
}
public bool Equals(ChannelPermissions other) => RawValue == other.RawValue;