public static async Task GiveUserRolesAsync(CommandContext ctx, Func <System.Reflection.PropertyInfo, bool> predicate)
{
if (Program.cfgjson.UserRoles is null)
{
// Config hasn't been updated yet.
return;
}
DiscordGuild guild = await Program.discord.GetGuildAsync(ctx.Guild.Id);
String response = "";
System.Reflection.PropertyInfo[] roleIds = Program.cfgjson.UserRoles.GetType().GetProperties().Where(predicate).ToArray();
for (int i = 0; i < roleIds.Length; i++)
{
DiscordRole roleToGrant = guild.GetRole((ulong)roleIds[i].GetValue(Program.cfgjson.UserRoles, null));
await ctx.Member.GrantRoleAsync(roleToGrant);
if (roleIds.Length == 1)
{
response += roleToGrant.Mention;
}
else
{
response += i == roleIds.Length - 1 ? $"and {roleToGrant.Mention}" : $"{roleToGrant.Mention}{(roleIds.Length != 2 ? "," : String.Empty)} ";
}
}
await ctx.RespondAsync($"{ctx.User.Mention} has joined the {response} role{(roleIds.Length != 1 ? "s" : String.Empty)}.");
}