/**
* @return array
*/
public function calculateDimensionCombinations()
{
$dimensionPresets = $this->contentDimensionPresetSource->getAllPresets();
$dimensionValueCountByDimension = array();
$possibleCombinationCount = 1;
$combinations = array();
foreach ($dimensionPresets as $dimensionName => $dimensionPreset) {
if (isset($dimensionPreset['presets']) && !empty($dimensionPreset['presets'])) {
$dimensionValueCountByDimension[$dimensionName] = count($dimensionPreset['presets']);
$possibleCombinationCount = $possibleCombinationCount * $dimensionValueCountByDimension[$dimensionName];
}
}
foreach ($dimensionPresets as $dimensionName => $dimensionPreset) {
for ($i = 0; $i < $possibleCombinationCount; $i++) {
if (!isset($combinations[$i]) || !is_array($combinations[$i])) {
$combinations[$i] = array();
}
$currentDimensionCurrentPreset = current($dimensionPresets[$dimensionName]['presets']);
$combinations[$i][$dimensionName] = $currentDimensionCurrentPreset['values'];
if (!next($dimensionPresets[$dimensionName]['presets'])) {
reset($dimensionPresets[$dimensionName]['presets']);
}
}
}
return $combinations;
}
/**
* Array of all possible dimension configurations allowed by configured presets.
*
* @return array
*/
public function getAllAllowedCombinations()
{
$configuration = $this->contentDimensionPresetSource->getAllPresets();
$dimensionCombinations = [];
$dimensionNames = array_keys($configuration);
$dimensionCount = count($dimensionNames);
if ($dimensionCount === 0) {
// This is correct, we have one allowed combination which is no dimension values (empty array).
return [[]];
}
// Reset all presets first just to be sure
foreach ($configuration as $dimensionName => &$dimensionConfiguration) {
reset($dimensionConfiguration['presets']);
}
unset($dimensionConfiguration);
while (true) {
$skipCurrentCombination = false;
$currentPresetCombination = ['withPresetIdentifiers' => [], 'withDimensionValues' => []];
foreach ($dimensionNames as $dimensionName) {
$presetIdentifierForDimension = key($configuration[$dimensionName]['presets']);
$presetForDimension = current($configuration[$dimensionName]['presets']);
if (!is_array($presetForDimension) || !isset($presetForDimension['values'])) {
$skipCurrentCombination = true;
}
$currentPresetCombination['withPresetIdentifiers'][$dimensionName] = $presetIdentifierForDimension;
$currentPresetCombination['withDimensionValues'][$dimensionName] = $presetForDimension['values'];
}
if ($skipCurrentCombination === false && $this->contentDimensionPresetSource->isPresetCombinationAllowedByConstraints($currentPresetCombination['withPresetIdentifiers'])) {
$dimensionCombinations[] = $currentPresetCombination['withDimensionValues'];
}
$nextDimension = 0;
$hasValue = next($configuration[$dimensionNames[$nextDimension]]['presets']);
while ($hasValue === false) {
reset($configuration[$dimensionNames[$nextDimension]]['presets']);
$nextDimension++;
if (!isset($dimensionNames[$nextDimension])) {
// we have gone through all dimension combinations now.
return $dimensionCombinations;
}
$hasValue = next($configuration[$dimensionNames[$nextDimension]]['presets']);
}
}
}
