460 lines
14 KiB
PHP

<?php
declare(strict_types=1);
/*
* Chill is a software for social workers
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
namespace Chill\MainBundle\Export\Formatter;
use Chill\MainBundle\Export\ExportManager;
use Chill\MainBundle\Export\FormatterInterface;
use LogicException;
use RuntimeException;
use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
use Symfony\Component\Form\Extension\Core\Type\FormType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Contracts\Translation\TranslatorInterface;
use function array_key_exists;
use function array_slice;
use function call_user_func;
use function count;
use function is_array;
/**
* Command to get the report with curl:
* curl --user "center a_social:password" "http://localhost:8000/fr/exports/generate/count_person?export[filters][person_gender_filter][enabled]=&export[filters][person_nationality_filter][enabled]=&export[filters][person_nationality_filter][form][nationalities]=&export[aggregators][person_nationality_aggregator][order]=1&export[aggregators][person_nationality_aggregator][form][group_by_level]=country&export[submit]=&export[_token]=RHpjHl389GrK-bd6iY5NsEqrD5UKOTHH40QKE9J1edU" --globoff.
*
* @deprecated this formatter is not used any more.
*/
class CSVFormatter implements FormatterInterface
{
protected $aggregators;
protected $aggregatorsData;
protected $export;
protected $exportData;
/**
* @var ExportManager
*/
protected $exportManager;
protected $filtersData;
protected $formatterData;
protected $labels;
protected $result;
protected TranslatorInterface $translator;
public function __construct(
TranslatorInterface $translator,
ExportManager $manager
) {
$this->translator = $translator;
$this->exportManager = $manager;
}
/**
* @uses appendAggregatorForm
*
* @param mixed $exportAlias
*/
public function buildForm(FormBuilderInterface $builder, $exportAlias, array $aggregatorAliases)
{
$aggregators = $this->exportManager->getAggregators($aggregatorAliases);
$nb = count($aggregatorAliases);
foreach ($aggregators as $alias => $aggregator) {
$builderAggregator = $builder->create($alias, FormType::class, [
'label' => $aggregator->getTitle(),
'block_name' => '_aggregator_placement_csv_formatter',
]);
$this->appendAggregatorForm($builderAggregator, $nb);
$builder->add($builderAggregator);
}
}
public function getFormDefaultData(array $aggregatorAliases): array
{
return [];
}
public function gatherFiltersDescriptions()
{
$descriptions = [];
foreach ($this->filtersData as $key => $filterData) {
$statement = $this->exportManager
->getFilter($key)
->describeAction($filterData);
if (null === $statement) {
continue;
}
if (is_array($statement)) {
$descriptions[] = $this->translator->trans(
$statement[0],
$statement[1],
$statement[2] ?? null,
$statement[3] ?? null
);
} else {
$descriptions[] = $statement;
}
}
return $descriptions;
}
public function getName()
{
return 'Comma separated values (CSV)';
}
public function getResponse(
$result,
$formatterData,
$exportAlias,
array $exportData,
array $filtersData,
array $aggregatorsData
) {
$this->result = $result;
$this->orderingHeaders($formatterData);
$this->export = $this->exportManager->getExport($exportAlias);
$this->aggregators = iterator_to_array($this->exportManager
->getAggregators(array_keys($aggregatorsData)));
$this->exportData = $exportData;
$this->aggregatorsData = $aggregatorsData;
$this->labels = $this->gatherLabels();
$this->filtersData = $filtersData;
$response = new Response();
$response->setStatusCode(200);
$response->headers->set('Content-Type', 'text/csv; charset=utf-8');
//$response->headers->set('Content-Disposition','attachment; filename="export.csv"');
$response->setContent($this->generateContent());
return $response;
}
public function getType()
{
return 'tabular';
}
protected function gatherLabels()
{
return array_merge(
$this->gatherLabelsFromAggregators(),
$this->gatherLabelsFromExport()
);
}
protected function gatherLabelsFromAggregators()
{
$labels = [];
/* @var $aggretator \Chill\MainBundle\Export\AggregatorInterface */
foreach ($this->aggregators as $alias => $aggregator) {
$keys = $aggregator->getQueryKeys($this->aggregatorsData[$alias]);
// gather data in an array
foreach ($keys as $key) {
$values = array_map(static function ($row) use ($key, $alias) {
if (!array_key_exists($key, $row)) {
throw new LogicException("the key '" . $key . "' is declared by "
. "the aggregator with alias '" . $alias . "' but is not "
. 'present in results');
}
return $row[$key];
}, $this->result);
$labels[$key] = $aggregator->getLabels(
$key,
array_unique($values),
$this->aggregatorsData[$alias]
);
}
}
return $labels;
}
protected function gatherLabelsFromExport()
{
$labels = [];
$export = $this->export;
$keys = $this->export->getQueryKeys($this->exportData);
foreach ($keys as $key) {
$values = array_map(static function ($row) use ($key, $export) {
if (!array_key_exists($key, $row)) {
throw new LogicException("the key '" . $key . "' is declared by "
. "the export with title '" . $export->getTitle() . "' but is not "
. 'present in results');
}
return $row[$key];
}, $this->result);
$labels[$key] = $this->export->getLabels(
$key,
array_unique($values),
$this->exportData
);
}
return $labels;
}
protected function generateContent()
{
$line = null;
$rowKeysNb = count($this->getRowHeaders());
$columnKeysNb = count($this->getColumnHeaders());
$resultsKeysNb = count($this->export->getQueryKeys($this->exportData));
$results = $this->getOrderedResults();
/** @var string[] $columnHeaders the column headers associations */
$columnHeaders = [];
/** @var string[] $data the data of the csv file */
$contentData = [];
$content = [];
// create a file pointer connected to the output stream
$output = fopen('php://output', 'wb');
//title
fputcsv($output, [$this->translator->trans($this->export->getTitle())]);
//blank line
fputcsv($output, ['']);
// add filtering description
foreach ($this->gatherFiltersDescriptions() as $desc) {
fputcsv($output, [$desc]);
}
// blank line
fputcsv($output, ['']);
// iterate on result to : 1. populate row headers, 2. populate column headers, 3. add result
foreach ($results as $row) {
$rowHeaders = array_slice($row, 0, $rowKeysNb);
//first line : we create line and adding them row headers
if (!isset($line)) {
$line = array_slice($row, 0, $rowKeysNb);
}
// do we have to create a new line ? if the rows are equals, continue on the line, else create a next line
if (array_slice($line, 0, $rowKeysNb) !== $rowHeaders) {
$contentData[] = $line;
$line = array_slice($row, 0, $rowKeysNb);
}
// add the column headers
/** @var string[] $columns the column for this row */
$columns = array_slice($row, $rowKeysNb, $columnKeysNb);
$columnPosition = $this->findColumnPosition($columnHeaders, $columns);
//fill with blank at the position given by the columnPosition + nbRowHeaders
for ($i = 0; $i < $columnPosition; ++$i) {
if (!isset($line[$rowKeysNb + $i])) {
$line[$rowKeysNb + $i] = '';
}
}
$resultData = array_slice($row, $resultsKeysNb * -1);
foreach ($resultData as $data) {
$line[] = $data;
}
}
// we add the last line
$contentData[] = $line;
//column title headers
for ($i = 0; $i < $columnKeysNb; ++$i) {
$line = array_fill(0, $rowKeysNb, '');
foreach ($columnHeaders as $set) {
$line[] = $set[$i];
}
$content[] = $line;
}
//row title headers
$headerLine = [];
foreach ($this->getRowHeaders() as $headerKey) {
$headerLine[] = array_key_exists('_header', $this->labels[$headerKey]) ?
$this->labels[$headerKey]['_header'] : '';
}
foreach ($this->export->getQueryKeys($this->exportData) as $key) {
$headerLine[] = array_key_exists('_header', $this->labels[$key]) ?
$this->labels[$key]['_header'] : '';
}
fputcsv($output, $headerLine);
unset($headerLine); //free memory
//generate CSV
foreach ($content as $line) {
fputcsv($output, $line);
}
foreach ($contentData as $line) {
fputcsv($output, $line);
}
$text = stream_get_contents($output);
fclose($output);
return $text;
}
protected function getColumnHeaders()
{
return $this->getPositionnalHeaders('c');
}
protected function getRowHeaders()
{
return $this->getPositionnalHeaders('r');
}
/**
* ordering aggregators, preserving key association.
*
* This function do not mind about position.
*
* If two aggregators have the same order, the second given will be placed
* after. This is not significant for the first ordering.
*/
protected function orderingHeaders(array $formatterData)
{
$this->formatterData = $formatterData;
uasort(
$this->formatterData,
static fn (array $a, array $b): int => ($a['order'] <= $b['order'] ? -1 : 1)
);
}
/**
* append a form line by aggregator on the formatter form.
*
* This form allow to choose the aggregator position (row or column) and
* the ordering
*
* @param string $nbAggregators
*/
private function appendAggregatorForm(FormBuilderInterface $builder, $nbAggregators)
{
$builder->add('order', ChoiceType::class, [
'choices' => array_combine(
range(1, $nbAggregators),
range(1, $nbAggregators)
),
'multiple' => false,
'expanded' => false,
]);
$builder->add('position', ChoiceType::class, [
'choices' => [
'row' => 'r',
'column' => 'c',
],
'multiple' => false,
'expanded' => false,
]);
}
private function findColumnPosition(&$columnHeaders, $columnToFind): int
{
$i = 0;
foreach ($columnHeaders as $set) {
if ($set === $columnToFind) {
return $i;
}
++$i;
}
//we didn't find it, adding the column
$columnHeaders[] = $columnToFind;
return $i++;
}
private function getOrderedResults()
{
$r = [];
$results = $this->result;
$labels = $this->labels;
$rowKeys = $this->getRowHeaders();
$columnKeys = $this->getColumnHeaders();
$resultsKeys = $this->export->getQueryKeys($this->exportData);
$headers = array_merge($rowKeys, $columnKeys);
foreach ($results as $row) {
$line = [];
foreach ($headers as $key) {
$line[] = call_user_func($labels[$key], $row[$key]);
}
//append result
foreach ($resultsKeys as $key) {
$line[] = call_user_func($labels[$key], $row[$key]);
}
$r[] = $line;
}
array_multisort($r);
return $r;
}
/**
* @param string $position may be 'c' (column) or 'r' (row)
*
* @throws RuntimeException
*
* @return string[]
*/
private function getPositionnalHeaders($position)
{
$headers = [];
foreach ($this->formatterData as $alias => $data) {
if (!array_key_exists($alias, $this->aggregatorsData)) {
throw new RuntimeException('the formatter wants to use the '
. "aggregator with alias {$alias}, but the export do not "
. 'contains data about it');
}
$aggregator = $this->aggregators[$alias];
if ($data['position'] === $position) {
$headers = array_merge($headers, $aggregator->getQueryKeys($this->aggregatorsData[$alias]));
}
}
return $headers;
}
}