ESH/chart_employee_blood_pressure.php

<?php
$bp_dbp = array();
$bp_sbp = array();
$medical_date = array();

$sbp_new = array();
$dbp_new = array();


$query = "SELECT bp_sbp as sbp, date(appointment_date) as dat FROM employee_appointment 
where emp_id='$id'and bp_sbp != ''
UNION
SELECT cf.checkup_form_value as sbp ,date(c.checkup_date) as dat from 
checkup_form c left join checkup_form_key_value cf on 
c.checkup_id=cf.checkup_form_id left join checkup_parameter cp on 
cp.`column_name` = cf.checkup_form_key 
where c.emp_id='$id' and  (cp.key_health_map_name=(select key_param_id from key_health_reportable_parameter_master where key_param_name='sbp') or 
cp.key_health_map_name=(select key_param_id from key_health_reportable_parameter_master where key_param_name='sbp/dbp')) order by dat desc limit 25";

error_log("sbp query ".$query);
$result = @mysqli_query($conn, $query);
if (mysqli_num_rows($result) > 0) {
  while ($row = @mysqli_fetch_array($result)) {
    array_push($medical_date, $row[1]);

    $bp_arr = explode("/",$row[0]);
    error_log("size ".sizeof($bp_arr));
    if(sizeof($bp_arr) >1){
        $bp_sbp['sbp'][$row[1]] = $bp_arr[0];
        // array_push($bp_sbp, $bp_arr[0]);
    }else{
        $bp_sbp['sbp'][$row[1]] = $bp_arr[0];
        // array_push($bp_sbp, $bp_arr[0]);
    }
  }
}

$query = "SELECT bp_dbp as dbp, date(appointment_date) as dat FROM employee_appointment 
where emp_id='$id'and bp_dbp != ''
UNION
SELECT cf.checkup_form_value as dbp ,date(c.checkup_date) as dat from 
checkup_form c left join checkup_form_key_value cf on 
c.checkup_id=cf.checkup_form_id left join checkup_parameter cp on 
cp.`column_name` = cf.checkup_form_key 
where c.emp_id='$id' and  (cp.key_health_map_name=(select key_param_id from key_health_reportable_parameter_master where key_param_name='dbp') or 
cp.key_health_map_name=(select key_param_id from key_health_reportable_parameter_master where key_param_name='sbp/dbp')) order by dat desc limit 25";

error_log("dbp query 1 ".$query);
$result = @mysqli_query($conn, $query);
if (mysqli_num_rows($result) > 0) {
  while ($row = @mysqli_fetch_array($result)) {
    array_push($medical_date, $row[1]);

    $bp_arr = explode("/",$row[0]);
    error_log("size ".sizeof($bp_arr));

    if(sizeof($bp_arr) >1){
        $bp_dbp['dbp'][$row[1]] = $bp_arr[1];
        // array_push($bp_dbp, $bp_arr[1]);
    }else{
        $bp_dbp['dbp'][$row[1]] = $bp_arr[0];
        // array_push($bp_dbp, $bp_arr[0]);
    }
  }
}
$medical_date = array_values(array_unique($medical_date));

for($i = 0; $i < sizeof($medical_date); $i++){

    error_log("inside loop value".$bp_sbp['sbp'][$medical_date[$i]]);
    error_log("inside loop value".$bp_dbp['dbp'][$medical_date[$i]]);

    if($bp_sbp['sbp'][$medical_date[$i]] == ''){
        array_push($sbp_new,0);
    }else{
        array_push($sbp_new,$bp_sbp['sbp'][$medical_date[$i]]);
    }
    if($bp_dbp['dbp'][$medical_date[$i]] == ''){
        array_push($dbp_new,0);
    }else{
        array_push($dbp_new,$bp_dbp['dbp'][$medical_date[$i]]);
    }
}

error_log("final sbp ".print_r($sbp_new, true));
error_log("final dbp ".print_r($dbp_new, true));
?>


<script>
var ctx = document.getElementById('patient_bp').getContext('2d');
var bp_dbp = [<?php echo join(',', $dbp_new); ?>];
var bp_sbp = [<?php echo join(',', $sbp_new); ?>];
var xaxis = [<?php echo json_encode($medical_date); ?>];

function formatDateBP(input) {
    var datePart = input.match(/\d+/g),
        year = datePart[0],
        month = datePart[1],
        day = datePart[2];
    return day + '-' + month + '-' + year;
}
for (let i = 0; i < xaxis[0].length; i++) {
    xaxis[0][i] = formatDateBP(xaxis[0][i]);
}

var myChart = new Chart(ctx, {
    type: 'line',
    options: {
        title: {
            display: true,
            text: "BP Graph"
        },
        legend: {
            position: "bottom"
        },
        scales: {
            yAxes: [{
                ticks: {
                    precision: 0
                }
            }]
        }
    },
    data: {
        labels: xaxis[0],
        datasets: [{
            data: bp_dbp,
            label: "DBP",
            borderColor: "#d45087",
            backgroundColor: "#d45087",
            fill: false,
            pointBackgroundColor: function(context) {
                var index = context.dataIndex;
                var value = context.dataset.data[index];
                return value < 85 ? 'red' : // draw negative values in red
                    index % 2 ? 'blue' :
                    // else, alternate values in blue and green
                    'green';
            }
        }, {
            data: bp_sbp,
            label: "SBP",
            borderColor: "#ff7c43",
            backgroundColor: "#ffa500",
            fill: false,
            pointBackgroundColor: function(context) {
                var index = context.dataIndex;
                var value = context.dataset.data[index];
                return value < 124 ? 'red' : // draw negative values in red
                    index % 2 ? 'blue' :
                    // else, alternate values in blue and green
                    'green';
            }
        }]
    },
});
</script>