Fix Blog Category links not working - Issue 37 (#43)

* fix cats not showing if uncategorized

* fix category 404s

src/includes/class-boldgrid-framework-404.php

@@ -65,7 +65,6 @@ public function boldgrid_404_template() {
 
 						<?php the_widget( 'WP_Widget_Recent_Posts' ); ?>
 
-						<?php if ( boldgrid_categorized_blog() ) : // Only show the widget if site has multiple categories. ?>
 						<div class="widget widget_categories">
 							<h2 class="widget-title"><?php esc_html_e( 'Most Used Categories', 'crio' ); ?></h2>
 							<ul>
@@ -80,7 +79,6 @@ public function boldgrid_404_template() {
 							?>
 							</ul>
 						</div><!-- .widget -->
-						<?php endif; ?>
 
 						<?php
 							/* translators: %1$s: smiley */

src/includes/class-boldgrid-framework-admin.php

@@ -118,4 +118,58 @@ public function remove_hooks() {
 			remove_all_filters( 'plugins_api', 11 );
 		}
 	}
+
+	/**
+	 * Filter category rewrite rules
+	 *
+	 * @since 2.19.1
+	 *
+	 * @param array $rules Rewrite rules.
+	 *
+	 * @return array $rules Filtered Rewrite rules.
+	 */
+	public function category_rewrite_rules( $rules ) {
+		if ( '.' !== get_option( 'category_base' ) ) {
+			return $rules;
+		}
+		$category_rewrite = array();
+		$categories       = get_categories( array( 'hide_empty' => false ) );
+
+		foreach ( $categories as $category ) {
+			$category_nicename = $category->slug;
+			if ( $category->parent === $category->cat_ID ) {
+				$category->parent = 0;
+			} elseif ( 0 !== $category->parent ) {
+				$category_nicename = get_category_parents( $category->parent, false, '/', true ) . $category_nicename;
+			}
+
+			$category_rewrite[ '(' . $category_nicename . ')/(?:feed/)?(feed|rdf|rss|rss2|atom)/?$' ] = 'index.php?category_name=$matches[1]&feed=$matches[2]';
+
+			$category_rewrite[ '(' . $category_nicename . ')/page/?([0-9]{1,})/?$' ] = 'index.php?category_name=$matches[1]&paged=$matches[2]';
+
+			$category_rewrite[ '(' . $category_nicename . ')/?$' ] = 'index.php?category_name=$matches[1]';
+		}
+
+		global $wp_rewrite;
+
+		$old_base = $wp_rewrite->get_category_permastruct();
+		$old_base = str_replace( '%category%', '(.+)', $old_base );
+		$old_base = trim( $old_base, '/' );
+
+		$category_rewrite[ $old_base . '$' ] = 'index.php?category_redirect=$matches[1]';
+
+		return $category_rewrite;
+	}
+
+	/**
+	 * Schedule Flush
+	 *
+	 * Flush rewrite rules on category additions,
+	 * changes, or deletions.
+	 *
+	 * @since 2.19.1
+	 */
+	public function schedule_flush() {
+		add_action( 'shutdown', 'flush_rewrite_rules' );
+	}
 }

src/includes/class-boldgrid-framework-comments.php

@@ -272,8 +272,6 @@ public function boldgrid_bootstrap_comment( $comment, $args, $depth ) {
 						$button_class = get_theme_mod( 'bgtfw_comment_reply_button_class', 'button-primary' );
 						$classes      = apply_filters( 'bgtfw_button_classes', array() );
 
-						error_log( 'button_class: ' . $button_class );
-						error_log( 'isset button_class: ' . isset( $classes[ $button_class ] ) );
 						if ( isset( $classes[ $button_class ] ) ) {
 							$comment_reply_link = preg_replace(
 								'/comment-reply-link/',

src/includes/class-boldgrid-framework.php

@@ -656,6 +656,12 @@ private function define_admin_hooks() {
 		$this->loader->add_action( 'init', $admin, 'remove_hooks' );
 
 		$this->loader->add_action( 'bgtfw_pro_feature_cards', $pro_feature_cards, 'print_cards' );
+
+		// Filter category rewrite rules.
+		$this->loader->add_filter( 'category_rewrite_rules', $admin, 'category_rewrite_rules' );
+		$this->loader->add_action( 'created_category', $admin, 'schedule_flush' );
+		$this->loader->add_action( 'edited_category', $admin, 'schedule_flush' );
+		$this->loader->add_action( 'delete_category', $admin, 'schedule_flush' );
 	}
 
 	/**

src/includes/partials/template-tags.php

@@ -169,7 +169,7 @@ function boldgrid_entry_footer() {
 		$categories_list = get_the_category_list( esc_html__( ', ', 'crio' ) );
 		$categories_count = count( explode( ', ', $categories_list ) );
 
-		if ( $categories_list && boldgrid_categorized_blog() ) {
+		if ( $categories_list ) {
 			$class = 'singular';
 			$icon = is_single() ? get_theme_mod( 'bgtfw_posts_cat_icon' ) : get_theme_mod( 'bgtfw_blog_post_cat_icon' );
 
@@ -236,36 +236,6 @@ function boldgrid_entry_footer() {
 }
 endif;
 
-/**
- * Returns true if a blog has more than 1 category.
- *
- * @return bool
- */
-function boldgrid_categorized_blog() {
-	if ( false === ( $all_the_cool_cats = get_transient( 'boldgrid_categories' ) ) ) {
-		// Create an array of all the categories that are attached to posts.
-		$all_the_cool_cats = get_categories( array(
-			'fields'     => 'ids',
-			'hide_empty' => 1,
-			// We only need to know if there is more than one category.
-			'number'     => 2,
-		) );
-
-		// Count the number of categories that are attached to the posts.
-		$all_the_cool_cats = count( $all_the_cool_cats );
-
-		set_transient( 'boldgrid_categories', $all_the_cool_cats );
-	}
-
-	if ( $all_the_cool_cats > 1 ) {
-		// This blog has more than 1 category so boldgrid_categorized_blog should return true.
-		return true;
-	} else {
-		// This blog has only 1 category so boldgrid_categorized_blog should return false.
-		return false;
-	}
-}
-
 /**
  * Flush out the transients used in boldgrid_categorized_blog.
  */