Stuck data does not update. - Printable Version

PHP Code:
<?php

class Calendar extends MX_Controller {

    public function __construct() {
        parent::__construct();
        $this->load->model('dashboard/model_calendar');
        $this->load->library('calendar');
    }

    public function index() {

        if ($this->uri->segment(3) == FALSE) {
            $year = date('Y');
        } else {
            $year = $this->uri->segment(3);
        }

        if ($this->uri->segment(4) == FALSE) {
            $month = date('m');
        } else {
            $month = $this->uri->segment(4);
        }

        var_dump($this->get_calendar_event_data($year, $month));

        var_dump($this->check_calendar_event($year, $month));

        var_dump($this->input->post('day'));

        $prefs = array(
            'start_day' => 'monday',
            'show_next_prev' => true,
            'day_type' => 'long',
            'next_prev_url' => base_url('dashboard/calendar')
        );

        $prefs['template'] = '
            {table_open}<table border="0" cellpadding="0" cellspacing="0" class="table table-striped table-bordered calendar">{/table_open}
            
            {heading_row_start}<tr>{/heading_row_start}
            
            {heading_previous_cell}<th><a href="{previous_url}"><i class="fa fa-chevron-left fa-2x "></i></a></th>{/heading_previous_cell}
            {heading_title_cell}<th class="text-center" colspan="{colspan}">{heading}</th>{/heading_title_cell}
            {heading_next_cell}<th class="text-right"><a href="{next_url}"><i class="fa fa-chevron-right fa-2x"></i></a></th>{/heading_next_cell}
            
            {heading_row_end}</tr>{/heading_row_end}
            
            {week_row_start}<tr>{/week_row_start}
            {week_day_cell}<td>{week_day}</td>{/week_day_cell}
            {week_row_end}</tr>{/week_row_end}
            
            {cal_row_start}<tr class="days">{/cal_row_start}
            {cal_cell_start}<td class="day">{/cal_cell_start}
            
            {cal_cell_content}
                <div class="day_num">{day}<span class="label label-danger" style="margin-left: 10px;">Notice</span></div>
                <div class="content">{content}</div>
            {/cal_cell_content}
            {cal_cell_content_today}
                <div class="day_num highlight">{day}</div>
                <div class="content">{content}</div>
            {/cal_cell_content_today}
            
            {cal_cell_no_content}<div class="day_num">{day}</div>{/cal_cell_no_content}
            {cal_cell_no_content_today}<div class="day_num highlight">{day} <span class="label label-success">Current Day</span></div>{/cal_cell_no_content_today}
            
            {cal_cell_blank}&nbsp;{/cal_cell_blank}
            
            {cal_cell_end}</td>{/cal_cell_end}
            {cal_row_end}</tr>{/cal_row_end}
            
            {table_close}</table>{/table_close}
        ';

        $this->calendar->initialize($prefs);

        if ($day = $this->input->post('day')) {
            if ($this->check_calendar_event($year, $month) > 0) {
                $this->update_calendar_event($year, $month, $day, $this->input->post('event_data'));
            } else {
                $this->add_calendar_event($year, $month, $day, $this->input->post('event_data'));
            }
        }

        $event_data = $this->get_calendar_event_data($year, $month);

        $data['calendar'] = $this->calendar->generate($year, $month, $event_data);

        $this->load->view('dashboard/calender_view', $data);
    }

    public function add_calendar_event($year, $month, $day, $event_post) {
       $data = array(
            'year' => $year,
            'month' => $month,
            'day' => $this->input->post('day'),
            'date' => '',
            'data' => $event_post
        );

        $this->db->insert('calendar', $data);
    }

    public function update_calendar_event($year, $month, $day, $event_post) {
        $calendar = array(
            'date' => '',
            'data' => $event_post
        );

        $calendar_where = array(
            'year' => $year,
            'month' => $month,
            'day' => $day
        );

        $this->db->where($calendar_where);
        $this->db->update('calendar', $calendar);
    }

    public function get_calendar_event_data($year, $month) {
        $cell_data = array();
        $this->db->select('*');
        $this->db->from('calendar');
        $this->db->where('year', $year);
        $this->db->where('month', $month);
        $query = $this->db->get();

        foreach ($query->result() as $result) {
            $cell_data[$result->day] = $result->data;
        }

        return $cell_data;
    }

    public function check_calendar_event($year, $month) {
        $this->db->select('data');
        $this->db->from('calendar');
        $this->db->where('year', $year);
        $this->db->where('month', $month);
        $results = $this->db->count_all_results();

        return $results;
    }
}