query('SELECT article_id FROM article ORDER BY published_at DESC'); $ids = []; while ($row = $results->fetch_assoc()) $ids[] = $row['article_id']; return $ids; } function article_ids_by_oldest() { $conn = get_connection(); $results = $conn->query('SELECT article_id FROM article ORDER BY published_at ASC'); $ids = []; while ($row = $results->fetch_assoc()) $ids[] = $row['article_id']; return $ids; } function articles_ids_by_author($author_id) { $conn = get_connection(); $stmt = $conn->prepare('SELECT article_id FROM article WHERE author_id = ? ORDER BY published_at DESC'); $stmt->bind_param('i', $author_id); $stmt->execute(); $results = $stmt->get_result(); $ids = []; while ($row = $results->fetch_assoc()) $ids[] = $row['article_id']; return $ids; } function article_tags() { $conn = get_connection(); $results = $conn->query('SELECT * FROM tags'); $tags = []; while ($row = $results->fetch_assoc()) $tags[] = $row; return $tags; } function article_ids_by_tag($tag) { $conn = get_connection(); $stmt = $conn->prepare('SELECT article_id FROM article WHERE article.article_id IN ( SELECT article_tags.article_id FROM article_tags INNER JOIN tags ON article_tags.tag_id = tags.tag_id WHERE tag = ?) ORDER BY published_at DESC'); $stmt->bind_param('s', $tag); $stmt->execute(); $results = $stmt->get_result(); $ids = []; while ($row = $results->fetch_assoc()) $ids[] = $row['article_id']; return $ids; } /* * Reads the markdown file for a given article and generates the HTML for it. */ function article_page_from_markdown($article_id) { $conn = get_connection(); $stmt = $conn->prepare('SELECT * FROM article WHERE article_id = ?'); $stmt->bind_param('i', $article_id); $stmt->execute(); $article = $stmt->get_result()->fetch_assoc(); $stmt = $conn->prepare('SELECT user_id, username, profile_picture FROM user WHERE user_id = ?'); $stmt->bind_param('i', $article['author_id']); $stmt->execute(); $author = $stmt->get_result()->fetch_assoc(); $markdown = read_file_one_string($_ENV['ARTICLES_FQ_PATH'] . $article_id . '/article.md'); $parsedown = new Parsedown(); $article_content = $parsedown->text($markdown); $article_toc = ''; $lines = preg_split("/\r\n|\n|\r/", $article_content); foreach ($lines as $line) if (str_contains($line, '

')) $article_toc .= '

' . extract_content_from_tag($line, '

', '

') . '

'; $html = '

' . $article['title'] . '

Written by ' . $author['username'] . '

Published on ' . $article['published_at'] . '

' . $article_toc . '
' . $article_content . '
'; return $html; } function article_filters() { $filters = '
'; return $filters; } /* * Generates cards for a given article. */ function article_card($article_id) { $conn = get_connection(); $stmt = $conn->prepare('SELECT * FROM article WHERE article_id = ?'); $stmt->bind_param('i', $article_id); $stmt->execute(); $article = $stmt->get_result()->fetch_assoc(); $stmt = $conn->prepare('SELECT tag FROM article_tags INNER JOIN tags ON article_tags.tag_id = tags.tag_id WHERE article_id = ?'); $stmt->bind_param('i', $article_id); $stmt->execute(); $tags_results = $stmt->get_result(); $tags_html = ''; if ($tags_results != null) { $tags_html .= '
'; while ($row = $tags_results->fetch_assoc()) $tags_html .= '#' . $row['tag'] . ''; $tags_html .= '
'; } $stmt = $conn->prepare('SELECT user_id, username, profile_picture FROM user WHERE user_id = ?'); $stmt->bind_param('i', $article['author_id']); $stmt->execute(); $author = $stmt->get_result()->fetch_assoc(); $card = '

' . $article['title'] . '

Written by: ' . $author['username'] . ' Published: ' . $article['published_at'] . '

' . $article['excerpt'] . '

Read More
' . $tags_html . '
'; return $card; } function create_article($author_id, $title, $excerpt, $tags, $markdown_file_contents) { $conn = get_connection(); $stmt = $conn->prepare('INSERT INTO article (author_id, title, excerpt, published_at) VALUES (?, ?, ?, CURRENT_TIMESTAMP)'); $stmt->bind_param('iss', $author_id, $title, $excerpt); $stmt->execute(); $id = mysqli_insert_id($conn); $path = $_ENV['ARTICLES_FQ_PATH'] . $id . '/'; mkdir($path); $fs = fopen($path . 'article.md', 'a'); fwrite($fs, $markdown_file_contents); fclose($fs); if (count($tags) > 0) { $tag_insert_stmt = 'INSERT INTO article_tags (article_id, tag_id) VALUES '; for ($i = 0; $i < count($tags); $i++) { $tag_insert_stmt .= '(' . $id . ', ?)'; if ($i < count($tags) - 1) $tag_insert_stmt .= ', '; } $stmt = $conn->prepare($tag_insert_stmt); $stmt->bind_param('i', ...$tags); $stmt->execute(); } return $id; } function delete_article($article_id) { $conn = get_connection(); $stmt = $conn->prepare('DELETE FROM article_tags WHERE article_id = ?'); $stmt->bind_param('i', $article_id); $stmt->execute(); $stmt = $conn->prepare('DELETE FROM article WHERE article_id = ?'); $stmt->bind_param('i', $article_id); $stmt->execute(); delete_dir($_ENV['ARTICLES_FQ_PATH'] . $article_id . '/'); } function delete_articles_by_author($author_id) { $conn = get_connection(); $stmt = $conn->prepare('DELETE FROM article WHERE author_id = ?'); $stmt->bind_param('i', $author_id); $stmt->execute(); } function increment_read_counter($article_id) { $conn = get_connection(); $stmt = $conn->prepare('UPDATE article SET read_count = read_count + 1 WHERE article_id = ?'); $stmt->bind_param('i', $article_id); $stmt->execute(); }