Daftar Jadwal Praktek E-Health

public function listjadwal_post()
    {
        $username  = trim($this->post('username'));
        $tanggal   = $this->post('tanggal');
        $spesialis = $this->post('spesialis');
        $dokter    = $this->post('dokter');

        if ($username == '') {
            $response = [
                'resp_error' => true,
                'resp_msg'   => 'Username tidak ditemukan.',
            ];
        } elseif ($tanggal == '') {
            $response = [
                'resp_error' => true,
                'resp_msg'   => 'Tanggal harus diisi.',
            ];
        } else {
            $tgl_jadwal = date('Y-m-d', strtotime($tanggal));
            $hari       = getDay($tgl_jadwal);

            if ($spesialis == '') {
                $listData = $this->db->order_by('dokter_name', 'asc')->get_where('v_jadwal', array('jadwal_hari' => $hari))->result();
            } elseif ($spesialis != '' && $dokter == '') {
                $listData = $this->db->order_by('dokter_name', 'asc')->get_where('v_antrian', array('jadwal_hari' => $hari, 'spesialis_id' => $spesialis))->result();
            } else {
                $listData = $this->db->order_by('dokter_name', 'asc')->get_where('v_antrian', array('jadwal_hari' => $hari, 'spesialis_id' => $spesialis, 'dokter_id' => $dokter))->result();
            }

            if (count($listData) == 0) {
                $response = [
                    'resp_error' => true,
                    'resp_msg'   => 'Tidak Ada Jadwal Praktek',
                ];
            } else {
                foreach ($listData as $r) {
                    $response['items'][] = [
                        'resp_error'     => false,
                        'resp_msg'       => 'success',
                        'spesialis_name' => $r->spesialis_name,
                        'dokter_name'    => trim($r->dokter_name),
                        'jadwal_hari'    => strtoupper($r->jadwal_hari),
                        'jam'            => date('H:i', strtotime($r->jadwal_mulai)) . ' s/d ' . date('H:i', strtotime($r->jadwal_selesai)),
                        'gedung_name'    => trim($r->gedung_name),
                        'klinik_name'    => trim($r->klinik_name),
                        'keterangan'     => trim($r->jadwal_keterangan),
                    ];
                }
            }
        }

        $this->response($response, 200);
    }