Advanced Bans (Real Time) by Exolent

public CmdBan(client, level, cid)
{
    if( !cmd_access(client, level, cid, 4) ) return PLUGIN_HANDLED;
    
    static arg[128];
    read_argv(1, arg, sizeof(arg) - 1);
    
    new target = cmd_target(client, arg, GetTargetFlags(client));
    if( !target ) return PLUGIN_HANDLED;
    
    static target_authid[35];
    get_user_authid(target, target_authid, sizeof(target_authid) - 1);

    static target_ip[35];
    get_user_ip(target, target_ip, sizeof(target_ip) - 1, 1);
    
    if( !IsValidAuthid(target_authid) )
    {
        console_print(client, "%L", client, "AB_NOT_AUTHORIZED");
        return PLUGIN_HANDLED;
    }
    
    #if MAX_BANS <= 0
    if( TrieKeyExists(g_trie, target_authid) )
    {
        console_print(client, "%L", client, "AB_ALREADY_BANNED_STEAMID");
        return PLUGIN_HANDLED;
    }
    #else
    for( new i = 0; i < g_total_bans; i++ )
    {
        if( !strcmp(target_authid, g_steamids[i], 1) )
        {
            console_print(client, "%L", client, "AB_ALREADY_BANNED_STEAMID");
            return PLUGIN_HANDLED;
        }
    }
    #endif

    #if MAX_BANS <= 0
    if( TrieKeyExists(g_trie, target_ip) )
    {
        console_print(client, "%L", client, "AB_ALREADY_BANNED_IP");
        return PLUGIN_HANDLED;
    }
    #else
    for( new i = 0; i < g_total_bans; i++ )
    {
        if( !strcmp(target_ip, g_steamids[i], 1) )
        {
            console_print(client, "%L", client, "AB_ALREADY_BANNED_IP");
            return PLUGIN_HANDLED;
        }
    }
    #endif
    
    read_argv(2, arg, sizeof(arg) - 1);
    
    new length = str_to_num(arg);
    new maxlength = GetMaxBanTime(client);
    
    if( maxlength && (!length || length > maxlength) )
    {
        console_print(client, "%L", client, "AB_MAX_BAN_TIME", maxlength);
        return PLUGIN_HANDLED;
    }
    
    static unban_time[64];
    if( length == 0 )
    {
        formatex(unban_time, sizeof(unban_time) - 1, "%L", client, "AB_PERMANENT_BAN");
    }
    else
    {
        GenerateUnbanTime(length, unban_time, sizeof(unban_time) - 1);
    }
    
    read_argv(3, arg, sizeof(arg) - 1);
    
    static admin_name[64], target_name[32];
    get_user_name(client, admin_name, sizeof(admin_name) - 1);
    get_user_name(target, target_name, sizeof(target_name) - 1);
    
    static admin_authid[35];
    get_user_authid(client, admin_authid, sizeof(admin_authid) - 1);
    
    AddBan(target_name, target_authid, arg, length, unban_time, admin_name, admin_authid);
    AddBan(target_name, target_ip, arg, length, unban_time, admin_name, admin_authid);
    
    PrintBanInformation(target, target_name, target_authid, arg, length, unban_time, admin_name, admin_authid, true, true);
    PrintBanInformation(client, target_name, target_authid, arg, length, unban_time, admin_name, admin_authid, false, false);
    
    set_task(get_pcvar_float(ab_bandelay), "TaskDisconnectPlayer", target);
    
    GetBanTime(length, unban_time, sizeof(unban_time) - 1);
    
    PrintActivity(admin_name, "^x04$name^x03 banned %s. Reason: %s. Ban Time: %s", target_name, arg, unban_time);
    
    Log("%s <%s> banned %s <%s> || Reason: ^"%s^" || Ban Length: %s", admin_name, admin_authid, target_name, target_authid, arg, unban_time);
    
    return PLUGIN_HANDLED;
}