Added feature to drop article if title matches a regex provided by the user

[Markus87]

Summary

This adds a input field in the settings of the app which allows the user to drop articles if their title matches the regex.

I am aware some of this checklist may not be perfect yet, but I doubt the changes will make it anyway like this.
It would be cool if somebody who actually understands this app better than me to have a look if this is permissible at all.

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Changelog entry added for all important changes.

[codecov]

Codecov Report

❌ Patch coverage is 40.00000% with 3 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/store/app.ts	0.00%	2 Missing ⚠️
src/components/modals/AppSettingsDialog.vue	66.66%	1 Missing ⚠️

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[Copilot]

Pull request overview

This pull request adds a new feature allowing users to filter out articles from their RSS feeds based on a regex pattern matching the article title. Users can configure the regex pattern through a new input field in the app settings.

Changes:

• Added frontend state management for titleFilterRegex setting in the Vuex store
• Added a text input field in the app settings dialog for users to enter the regex pattern
• Implemented backend filtering logic that skips articles matching the regex during feed fetching
• Registered the new setting in the PageController to load the initial state

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 10 comments.

File	Description
src/store/app.ts	Adds titleFilterRegex to app state, getters, and mutations for storing the regex pattern
src/components/modals/AppSettingsDialog.vue	Adds NcTextField component for users to input the regex pattern in settings
lib/Service/FeedServiceV2.php	Implements article filtering logic using the regex pattern during feed fetch operations
lib/Controller/PageController.php	Registers titleFilterRegex setting to be loaded on page initialization

Comments suppressed due to low confidence (1)

lib/Service/FeedServiceV2.php:425

• Logical bug: The unread count calculation will be incorrect when articles are filtered out. The code at lines 415-423 counts unread items from the $items array, but filtered items (skipped via continue at line 395) are still present in this array - they're just not inserted into the database. This means the unread count will include filtered items that don't actually exist in the database.

To fix this, either:

1. Remove filtered items from the $items array instead of using continue, or
2. Calculate the unread count only from successfully inserted items, or
3. Track inserted items in a separate array and count from that

	foreach (array_reverse($items) as &$item) {
            $filterBy = $this->userConfig->getValueString( $feed->getUserId(), 'news', 'titleFilterRegex');
            if( $item->getTitle() !== null && !empty($filterBy ) && preg_match( $filterBy, $item->getTitle() ) ) {
                $this->logger->trace( 'Item filtered: {title}', [ 'title' => $item->getTitle() ] );
                continue;
            }


            $item->setFeedId($feed->getId())
                ->setBody($this->purifier->purify($item->getBody()));

            // update modes: 0 nothing, 1 set unread
            if ($feed->getUpdateMode() === Feed::UPDATE_MODE_NORMAL) {
                $item->setUnread(true);
            }

            $item = $this->itemService->insertOrUpdate($item);
        }


        // mark feed as successfully updated
        $feed->setUpdateErrorCount(0);
        $feed->setLastUpdateError(null);

        $unreadCount = 0;
        array_map(
            function (Item $item) use (&$unreadCount): void {
                if ($item->isUnread()) {
                    $unreadCount++;
                }
            },
            $items
        );

        return $this->mapper->update($feed)->setUnreadCount($unreadCount);