<?php

$elementParam = $_REQUEST['element'] ?? null;

include_once "bib.php";

include_once "data.php";

function getSpiderWebData($dimensions)

{

$data = array();

foreach(getActions($dimensions) as list($dimension, $subdimension, $activities)) {

for ($level = 1; $level <= 4; $level++) {

// initialize $data cells

if (! ($data[$level][$dimension][$subdimension] ?? null)) {

$data[$level][$dimension][$subdimension]['count'] = 0;

$data[$level][$dimension][$subdimension]['selected'] = 0;

}

foreach ($activities as $activityName => $activity) {

if ($level == $activity["level"]) {

$data[$level][$dimension][$subdimension]['count']++;

if (elementIsSelected($activityName)) {

$data[$level][$dimension][$subdimension]['selected']++;

}

}

}

}

}

return $data;

}

function startsWith($haystack, $needle) {

// search backwards starting from haystack length characters from the end

return $needle === "" || strrpos($haystack, $needle, -strlen($haystack)) !== false;

}

function fwritecsv2($filePointer, $dataArray, $delimiter = ",", $enclosure = "\"")

{

// Write a line to a file

// $filePointer = the file resource to write to

// $dataArray = the data to write out

// $delimeter = the field separator

// Build the string

$string = "";

// for each array element, which represents a line in the csv file...

foreach ($dataArray as $line) {

// No leading delimiter

$writeDelimiter = FALSE;

foreach ($line as $dataElement) {

// Replaces a double quote with two double quotes

$dataElement = str_replace("\"", "\"\"", $dataElement);

// Adds a delimiter before each field (except the first)

if ($writeDelimiter) $string .= $delimiter;

// Encloses each field with $enclosure and adds it to the string

$string .= $enclosure . $dataElement . $enclosure;

// Delimiters are used every time except the first.

$writeDelimiter = TRUE;

}

// Append new line

$string .= "\n";

} // end foreach($dataArray as $line)

$string = str_replace('""', '"element"', $string);

if (!startsWith($string, "element") && !startsWith($string, '"element"')) {

$string = "element" . $string;

}

// Write the string to the file

fwrite($filePointer, $string);

}

//var_dump( getSpiderWebData($dimensions));exit;

function deleteElement(&$data, $activityName)

{

$count = 0;

foreach ($data as $element) {

if ($activityName == $element["element"]) {

unset($data[$count]);

}

$count++;

}

}

function isElementExisting($dimensions, $givenElementName)

{

foreach ($dimensions as $dimension => $subdimensions) {

foreach ($subdimensions as $subdimension => $element) {

foreach ($element as $activityName => $content) {

if ($activityName == $givenElementName) {

return true;

}

}

}

}

return false;

}

if ($elementParam == null) {

echo json_encode(getSpiderWebData($dimensions));

return;

}

{

$csvFile = 'selectedData.csv';

$csv = getCsv();

$element = $elementParam;

if (elementIsSelected($element)) {

deleteElement($csv, $element);

} else {

if (!isElementExisting($dimensions, $element)) {

echo "Could not find element";

exit;

}

$newEntry['element'] = $element;

$csv[] = $newEntry;

}

$keys = array_keys($csv[0]);

$csv = array_merge(array($keys), $csv);

$fp = fopen($csvFile, 'w');

fwritecsv2($fp, $csv, ",");

fclose($fp);

}