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Replace broken DDG search with AI thumbnail generation fallback

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DuckDuckGo's HTML search endpoint now requires vqd session tokens,
making server-side search-based URL resolution unreliable. Simplified
the thumbnail pipeline:

- OG scrape only for non-aggregator URLs (direct publisher pages)
- AI image generation via OpenRouter for aggregator articles (Google News)
- Added Image Model settings field in admin UI
- Added thumbnail_local column for AI-generated images
- Updated public/admin display to check thumbnail_local as fallback
- Removed all DuckDuckGo search code (find_article_url_via_search,
  extract_ddg_url, resolve_article_for_scraping)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Terence Ong
2026-04-06 20:29:32 +07:00
parent de35f2d684
commit cd8eee11b8
7 changed files with 118 additions and 228 deletions
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15
public/class-peptide-news-public.php
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@@ -95,9 +95,16 @@ class Peptide_News_Public {
?>
<div class="pn-news-feed pn-layout-<?php echo esc_attr( $layout ); ?>">
<?php foreach ( $articles as $article ) :
$thumb = ( ! empty( $article->thumbnail_url ) && '_no_image' !== $article->thumbnail_url )
? $article->thumbnail_url
: $fallback_thumb;
$thumb = '';
if ( ! empty( $article->thumbnail_url ) && '_no_image' !== $article->thumbnail_url ) {
$thumb = $article->thumbnail_url;
} elseif ( ! empty( $article->thumbnail_local ) ) {
$upload_dir = wp_upload_dir();
$thumb = $upload_dir['baseurl'] . '/' . $article->thumbnail_local;
}
if ( empty( $thumb ) ) {
$thumb = $fallback_thumb;
}
$date = wp_date( 'M j, Y', strtotime( $article->published_at ) );
?>
<article class="pn-article" data-article-id="<?php echo esc_attr( $article->id ); ?>">
@@ -228,7 +235,7 @@ class Peptide_News_Public {
$articles = $wpdb->get_results( $wpdb->prepare(
"SELECT id, source, source_url, title, excerpt, ai_summary, author, thumbnail_url,
published_at, categories, tags
thumbnail_local, published_at, categories, tags
FROM {$table}
WHERE is_active = 1
ORDER BY published_at DESC