Quick Post Widget

gistfile1.php

<?php
/*
Plugin Name: Quick Post Widget
Description: Adds a Quick Post widget that creates and publishes posts with hashtags converted to tags.
*/

// Add the Quick Post widget to the dashboard
function qpw_add_dashboard_widgets() {
	wp_add_dashboard_widget('qpw_widget', 'Quick Post', 'qpw_widget_display');
}
add_action('wp_dashboard_setup', 'qpw_add_dashboard_widgets');

// Display the widget
function qpw_widget_display() {
	?>
	<form method="post" action="">
		<textarea name="qpw_content" rows="5" style="width:100%; white-space: pre-wrap;"></textarea>
		<input type="submit" class="button button-primary" value="Submit">
		<?php wp_nonce_field('qpw_nonce_action', 'qpw_nonce_field'); ?>
	</form>
	<?php
}

// Handle form submission
function qpw_handle_form_submission() {
	if (isset($_POST['qpw_content']) && check_admin_referer('qpw_nonce_action', 'qpw_nonce_field')) {
		$content = sanitize_textarea_field($_POST['qpw_content']);

		// Extract hashtags and remove them from the content
		preg_match_all('/#(\w+)/', $content, $matches);
		$tags = array_map('qpw_process_hashtag', $matches[1]);
		$content = preg_replace('/#(\w+)/', '', $content);
		$content = trim($content);

		// Create the post
		$post_id = wp_insert_post(array(
			'post_title'   => wp_trim_words(strip_tags($content), 10),
			'post_content' => qpw_convert_to_paragraph_blocks($content),
			'post_status'  => 'publish'
		));

		// Set the tags for the post
		wp_set_post_tags($post_id, $tags);

		// Set the post format to 'aside'
		set_post_format($post_id, 'aside');

		// Redirect to the new post
		wp_redirect('https://www.alexstandiford.com/micro/' . $post_id);
		exit;
	}
}
add_action('admin_init', 'qpw_handle_form_submission');

// Convert content to paragraph blocks
function qpw_convert_to_paragraph_blocks($content) {
	$lines = explode("\n", $content);
	$blocks = array_map(function($line) {
		$line = trim($line);
		if (!empty($line)) {
			return "<!-- wp:paragraph --><p>{$line}</p><!-- /wp:paragraph -->";
		}
		return '';
	}, $lines);
	return implode("\n\n", array_filter($blocks));
}

// Process hashtags to find or create appropriate tags
function qpw_process_hashtag($hashtag) {
	// Check for the exact match
	if ($term = get_term_by('name', $hashtag, 'post_tag')) {
		return $term->name;
	}

	// Convert camelCase to normal case (e.g., WordPress)
	$normal_case = preg_replace('/([a-z])([A-Z])/', '$1 $2', $hashtag);
	if ($term = get_term_by('name', $normal_case, 'post_tag')) {
		return $term->name;
	}

	// Convert to kebab-case (e.g., wordpress)
	$kebab_case = sanitize_title_with_dashes($hashtag);
	if ($term = get_term_by('slug', $kebab_case, 'post_tag')) {
		return $term->name;
	}

	// If no existing tag is found, create a new one
	$new_tag = wp_insert_term($normal_case, 'post_tag', array('slug' => $kebab_case));

	return get_term_by('id', $new_tag['term_id'], 'post_tag')->name;
}
?>