public async Task PermCheckChannel(Context ctx)
{
if (!ctx.HasNext())
{
throw new PKSyntaxError("You need to specify a channel.");
}
var error = "Channel not found or you do not have permissions to access it.";
// todo: this breaks if channel is not in cache and bot does not have View Channel permissions
var channel = await ctx.MatchChannel();
if (channel == null || channel.GuildId == null)
{
throw new PKError(error);
}
var guild = await _rest.GetGuildOrNull(channel.GuildId.Value);
if (guild == null)
{
throw new PKError(error);
}
var guildMember = await _rest.GetGuildMember(channel.GuildId.Value, await _cache.GetOwnUser());
if (!await ctx.CheckPermissionsInGuildChannel(channel, PermissionSet.ViewChannel))
{
throw new PKError(error);
}
var botPermissions = PermissionExtensions.PermissionsFor(guild, channel, await _cache.GetOwnUser(), guildMember);
var webhookPermissions = PermissionExtensions.EveryonePermissions(guild, channel);
// We use a bitfield so we can set individual permission bits
ulong missingPermissions = 0;
foreach (var requiredPermission in requiredPermissions)
{
if ((botPermissions & requiredPermission) == 0)
{
missingPermissions |= (ulong)requiredPermission;
}
}
if ((webhookPermissions & PermissionSet.UseExternalEmojis) == 0)
{
missingPermissions |= (ulong)PermissionSet.UseExternalEmojis;
}
// Generate the output embed
var eb = new EmbedBuilder()
.Title($"Permission check for **{channel.Name}**");
if (missingPermissions == 0)
{
eb.Description("No issues found, channel is proxyable :)");
}
else
{
var missing = "";
foreach (var permission in requiredPermissions)
{
if (((ulong)permission & missingPermissions) == (ulong)permission)
{
missing += $"\n- **{permission.ToPermissionString()}**";
}
}
if (((ulong)PermissionSet.UseExternalEmojis & missingPermissions) ==
(ulong)PermissionSet.UseExternalEmojis)
{
missing += $"\n- **{PermissionSet.UseExternalEmojis.ToPermissionString()}**";
}
eb.Description($"Missing permissions:\n{missing}");
}
await ctx.Reply(embed : eb.Build());
}
