12-02-2019, 01:11 AM
Good Morning,
I have been filtering for a dynamic chart for more than two weeks.
Everything works very well.
After choosing the dates you hardly print anything.
Please leave the code here.
CONTROLLER
MODEL
VIEW
I'm sure the error comes from the view
I have been filtering for a dynamic chart for more than two weeks.
Everything works very well.
After choosing the dates you hardly print anything.
Please leave the code here.
CONTROLLER
Code:
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class Incidencias_ministerio extends CI_Controller {
public function __construct()
{
parent::__construct();
$this->load->model('incidencias_ministerio_model');
}
public function index()
{
//ifPermissions('incidencias_ministerio');
$page_data['incidencias_ministerio'] = $this->incidencias_ministerio_model->get_nombre();
$page_data['view'] = 'chart/incidencias_ministerio';
$this->load->view('includes/layout', $page_data);
}
public function select_by_date_range() {
$date1 = $this->input->post('date_from');
$date2 = $this->input->post('date_to');
$data = array(
'date1' => $date1,
'date2' => $date2
);
if ($date1 == "" || $date2 == "") {
$data['date_range_error_message'] = "Both date fields are required";
} else {
$result = $this->incidencias_ministerio_model->show_data_by_date_range($data);
if ($result != false) {
$data['incidencias_ministerio'] = $result;
} else {
$data['incidencias_ministerio'] = "No record found !";
}
}
$data['view'] = 'chart/incidencias_ministerio';
$this->load->view('includes/layout', $data);
}
}MODEL
Code:
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class Incidencias_ministerio_model extends CI_Model {
public function __construct()
{
parent::__construct();
$this->load->database();
}
function get_nombre() {
$this->db->group_by('name_ministerio');
$this->db->select('name_ministerio');
$this->db->join('ministerios', 'ministerios.id = graficas.ministerio_id','inner');
$this->db->select("count(*) as total");
return $this->db->from('graficas')
->get()
->result();
}
public function show_data_by_date_range($data) {
$condition = "add_date BETWEEN " . "'" . $data['date1'] . "'" . " AND " . "'" . $data['date2'] . "'";
$this->db->group_by('name_ministerio');
$this->db->select('name_ministerio');
$this->db->join('ministerios', 'ministerios.id = graficas.ministerio_id');
$this->db->join('tecnicos', 'tecnicos.id = graficas.tecnico_id');
$this->db->from('graficas');
$this->db->where($condition);
$query = $this->db->get();
if ($query->num_rows() > 0) {
return $query->result();
} else {
return false;
}
}
}VIEW
I'm sure the error comes from the view
Code:
<!-- Load file plugin Chart.js -->
<script src="<?= base_url()?>/assets/chart/Chart.js"></script>
<div id="show_form" style="margin-bottom: 69px;">
<div class="col-md-12">
<?php
echo form_open('incidencias_ministerio/select_by_date_range');
echo'<div class="col-md-2">';
echo form_label('Buscar De : ');
echo'</div>';
echo'<div class="col-md-3">';
$data = array(
'type' => 'date',
'name' => 'date_from',
'placeholder' => 'yyyy-mm-dd'
);
echo form_input($data);
echo'</div>';
echo'<div class="col-md-1">';
echo " A : ";
echo'</div>';
echo'<div class="col-md-3">';
$data = array(
'type' => 'date',
'name' => 'date_to',
'placeholder' => 'yyyy-mm-dd'
);
echo form_input($data);
echo'</div>';
echo'<div class="col-md-3">';
echo form_submit('submit', 'Buscar');
echo form_close();
echo'</div>';
?>
</div>
</div>
<!-- /.box-body -->
<?php
$data_1= "";
$data_2=null;
foreach ($incidencias_ministerio as $item)
{
$data_3=$item->name_ministerio;
$data_1 .= "'$data_3'". ", ";
$data_4=$item->total;
$data_2 .= "$data_4". ", ";
}
?>
<div class="chart">
<canvas id="myChart"></canvas>
</div>
<script>
var ctx = document.getElementById('myChart').getContext('2d');
var chart = new Chart(ctx, {
type: 'bar',
data: {
labels: [<?php echo $data_1; ?>],
datasets: [{
label:'Incidencia por Ministerio ',
backgroundColor: [ 'rgb(255, 99, 132)',
'rgba(56, 86, 255, 0.87)',
'rgb(60, 179, 113)',
'rgb(175, 238, 239)',
'rgb(255, 99, 132)',
'rgba(56, 86, 255, 0.87)',
'rgb(60, 179, 113)',
'rgb(175, 238, 239)',
'rgb(255, 99, 132)',
'rgba(56, 86, 255, 0.87)',
'rgb(60, 179, 113)',
'rgb(175, 238, 239)'
],
borderColor: ['rgb(255, 99, 132)'],
//grafica
data: [<?php echo $data_2; ?>]
}]
},
// Configuration options go here
options: {
scales: {
yAxes: [{
ticks: {
beginAtZero:true
}
}]
}
}
});
</script>