From 5244de420b80d4944bea5161e2deca692924fd7e Mon Sep 17 00:00:00 2001
From: Stef Kariotidis <stef.kariotidis@gmail.com>
Date: Tue, 22 Nov 2016 13:05:34 +0200
Subject: [PATCH] pagination proposal

---
 global-templates/pagination.php | 89 +++++++++++++++++++++++++++++++++
 home.php                        |  4 +-
 2 files changed, 92 insertions(+), 1 deletion(-)
 create mode 100644 global-templates/pagination.php

diff --git a/global-templates/pagination.php b/global-templates/pagination.php
new file mode 100644
index 0000000..4dc38e2
--- /dev/null
+++ b/global-templates/pagination.php
@@ -0,0 +1,89 @@
+<?php
+/**
+ * Boostrap 4 pagination
+ *
+ * @package understrap
+ */
+
+/**
+ * Generates a pagination partial template for Bootstrap 4
+ * Mostly based on http://www.wpbeginner.com/wp-themes/how-to-add-numeric-pagination-in-your-wordpress-theme/
+ */
+function understrap_pagination() {
+	if ( is_singular() ) {
+		return;
+	}
+
+	global $wp_query;
+
+	/** Stop execution if there's only 1 page */
+	if ( $wp_query->max_num_pages <= 1 ) {
+		return;
+	}
+
+	$paged = get_query_var( 'paged' ) ? absint( get_query_var( 'paged' ) ) : 1;
+	$max   = intval( $wp_query->max_num_pages );
+
+	/**    Add current page to the array */
+	if ( $paged >= 1 ) {
+		$links[] = $paged;
+	}
+
+	/**    Add the pages around the current page to the array */
+	if ( $paged >= 3 ) {
+		$links[] = $paged - 1;
+		$links[] = $paged - 2;
+	}
+
+	if ( ( $paged + 2 ) <= $max ) {
+		$links[] = $paged + 2;
+		$links[] = $paged + 1;
+	}
+
+	echo '<nav aria-label="Page navigation"><ul class="pagination ">' . "\n";
+
+	/**    Link to first page, plus ellipses if necessary */
+	if ( ! in_array( 1, $links ) ) {
+		$class = 1 == $paged ? ' class="active page-item"' : ' class="page-item"';
+
+		printf( '<li %s><a class="page-link" href="%s"><i class="fa fa-step-backward" aria-hidden="true"></i></a></li>' . "\n",
+		$class, esc_url( get_pagenum_link( 1 ) ), '1' );
+
+		/**    Previous Post Link */
+		if ( get_previous_posts_link() ) {
+			printf( '<li class="page-item"><span class="page-link">%1$s</span></li> ' . "\n",
+			get_previous_posts_link( '<span aria-hidden="true">&laquo;</span><span class="sr-only">Previous page</span>' ) );
+		}
+
+		if ( ! in_array( 2, $links ) ) {
+			echo '<li class="page-item"></li>';
+		}
+	}
+
+	// Link to current page, plus 2 pages in either direction if necessary.
+	sort( $links );
+	foreach ( (array) $links as $link ) {
+		$class = $paged == $link ? ' class="active page-item"' : ' class="page-item"';
+		printf( '<li %s><a href="%s" class="page-link">%s</a></li>' . "\n", $class,
+			esc_url( get_pagenum_link( $link ) ), $link );
+	}
+
+	// Next Post Link.
+	if ( get_next_posts_link() ) {
+		printf( '<li class="page-item"><span class="page-link">%s</span></li>' . "\n",
+			get_next_posts_link( '<span aria-hidden="true">&raquo;</span><span class="sr-only">Next page</span>' ) );
+	}
+
+	// Link to last page, plus ellipses if necessary.
+	if ( ! in_array( $max, $links ) ) {
+		if ( ! in_array( $max - 1, $links ) ) {
+			echo '<li class="page-item"></li>' . "\n";
+		}
+
+		$class = $paged == $max ? ' class="active "' : ' class="page-item"';
+		printf( '<li %s><a class="page-link" href="%s" aria-label="Next"><span aria-hidden="true"><i class="fa fa-step-forward" aria-hidden="true"></i></span><span class="sr-only">%s</span></a></li>' . "\n",
+		$class . ' page-item 9', esc_url( get_pagenum_link( esc_html( $max ) ) ), esc_html($max ) );
+	}
+
+	echo '</ul></nav>' . "\n";
+}
diff --git a/home.php b/home.php
index e17080f..5882d5f 100644
--- a/home.php
+++ b/home.php
@@ -79,7 +79,9 @@ if ( is_front_page() && is_home() ) {
 		<?php endif; ?>
 
 	</div><!-- .row -->
-
+	<?php require get_template_directory() . '/global-templates/pagination.php';
+	understrap_pagination();
+	?>
 </div><!-- Container end -->
 
 </div><!-- Wrapper end -->