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|
<?php
declare(strict_types=1);
/**
* Logic to apply filter actions (for feeds, categories, user configuration...).
*/
trait FreshRSS_FilterActionsTrait {
/** @var array<FreshRSS_FilterAction>|null $filterActions */
private ?array $filterActions = null;
/**
* @return array<FreshRSS_FilterAction>
*/
private function filterActions(): array {
if (empty($this->filterActions)) {
$this->filterActions = [];
$filters = $this->attributeArray('filters') ?? [];
foreach ($filters as $filter) {
$filterAction = FreshRSS_FilterAction::fromJSON($filter);
if ($filterAction != null) {
$this->filterActions[] = $filterAction;
}
}
}
return $this->filterActions;
}
/**
* @param array<FreshRSS_FilterAction>|null $filterActions
*/
private function _filterActions(?array $filterActions): void {
$this->filterActions = $filterActions;
if ($this->filterActions !== null && !empty($this->filterActions)) {
$this->_attribute('filters', array_map(static function (?FreshRSS_FilterAction $af) {
return $af == null ? null : $af->toJSON();
}, $this->filterActions));
} else {
$this->_attribute('filters', null);
}
}
/** @return array<FreshRSS_BooleanSearch> */
public function filtersAction(string $action): array {
$action = trim($action);
if ($action == '') {
return [];
}
$filters = [];
$filterActions = $this->filterActions();
for ($i = count($filterActions) - 1; $i >= 0; $i--) {
$filterAction = $filterActions[$i];
if ($filterAction != null && $filterAction->booleanSearch() != null &&
$filterAction->actions() != null && in_array($action, $filterAction->actions(), true)) {
$filters[] = $filterAction->booleanSearch();
}
}
return $filters;
}
/**
* @param array<string> $filters
*/
public function _filtersAction(string $action, array $filters): void {
$action = trim($action);
if ($action === '') {
return;
}
$filters = array_unique(array_map('trim', $filters), SORT_STRING);
$filterActions = $this->filterActions();
//Check existing filters
for ($i = count($filterActions) - 1; $i >= 0; $i--) {
$filterAction = $filterActions[$i];
if ($filterAction == null || !is_array($filterAction->actions()) ||
$filterAction->booleanSearch() == null || trim($filterAction->booleanSearch()->getRawInput()) == '') {
array_splice($filterActions, $i, 1);
continue;
}
$actions = $filterAction->actions();
//Remove existing rules with same action
for ($j = count($actions) - 1; $j >= 0; $j--) {
if ($actions[$j] === $action) {
array_splice($actions, $j, 1);
}
}
//Update existing filter with new action
for ($k = count($filters) - 1; $k >= 0; $k --) {
$filter = $filters[$k];
if ($filter === $filterAction->booleanSearch()->getRawInput()) {
$actions[] = $action;
array_splice($filters, $k, 1);
}
}
//Save result
if (empty($actions)) {
array_splice($filterActions, $i, 1);
} else {
$filterAction->_actions($actions);
}
}
//Add new filters
for ($k = count($filters) - 1; $k >= 0; $k --) {
$filter = $filters[$k];
if ($filter != '') {
$filterAction = FreshRSS_FilterAction::fromJSON([
'search' => $filter,
'actions' => [$action],
]);
if ($filterAction != null) {
$filterActions[] = $filterAction;
}
}
}
if (empty($filterActions)) {
$filterActions = null;
}
$this->_filterActions($filterActions);
}
public function applyFilterActions(FreshRSS_Entry $entry): void {
foreach ($this->filterActions() as $filterAction) {
if ($entry->matches($filterAction->booleanSearch())) {
foreach ($filterAction->actions() as $action) {
switch ($action) {
case 'read':
if (!$entry->isRead()) {
$entry->_isRead(true);
Minz_ExtensionManager::callHook('entry_auto_read', $entry, 'filter');
}
break;
case 'star':
$entry->_isFavorite(true);
break;
case 'label':
//TODO: Implement more actions
break;
}
}
}
}
}
}
|
