From 2bb6dc088a12c626e0e61322210479efeac9a9a8 Mon Sep 17 00:00:00 2001
From: Ned Zimmerman <ned@bight.ca>
Date: Sun, 4 Feb 2018 16:30:49 -0400
Subject: [PATCH] Add custom shortcodes: aldine_page_section,
 aldine_call_to_action.

---
 functions.php                |  6 ++++
 inc/helpers/namespace.php    |  2 +-
 inc/shortcodes/namespace.php | 58 ++++++++++++++++++++++++++++++++++++
 3 files changed, 65 insertions(+), 1 deletion(-)
 create mode 100644 inc/shortcodes/namespace.php

diff --git a/functions.php b/functions.php
index fb6ec4d..5bec0db 100644
--- a/functions.php
+++ b/functions.php
@@ -29,6 +29,7 @@ $includes = [
 	'customizer',
 	'filters',
 	'helpers',
+	'shortcodes',
 	'tags',
 ];
 
@@ -52,6 +53,7 @@ add_filter( 'body_class', '\Aldine\Filters\body_classes' );
 add_filter( 'excerpt_more', '\Aldine\Filters\excerpt_more' );
 add_filter( 'query_vars', '\Aldine\Filters\register_query_vars' );
 add_filter( 'wp_nav_menu_items', '\Aldine\Filters\adjust_menu', 10, 2 );
+add_filter( 'the_content', 'do_shortcode' );
 add_action( 'widgets_init', '\Aldine\Actions\widgets_init' );
 add_action( 'wp_enqueue_scripts', '\Aldine\Actions\enqueue_assets' );
 add_action( 'updated_option', '\Aldine\Actions\add_color_variants', 10, 3 );
@@ -59,6 +61,10 @@ add_action( 'customize_register', '\Aldine\Customizer\customize_register' );
 add_action( 'customize_preview_init', '\Aldine\Customizer\customize_preview_js' );
 add_action( 'customize_controls_enqueue_scripts', '\Aldine\Customizer\enqueue_color_contrast_validator' );
 
+// Shortcodes
+add_shortcode( 'aldine_page_section', '\Aldine\Shortcodes\page_section' );
+add_shortcode( 'aldine_call_to_action', '\Aldine\Shortcodes\call_to_action' );
+
 // Catalog page: Network admin controls
 add_action( 'admin_enqueue_scripts', '\Aldine\Admin\admin_scripts' );
 add_action( 'wp_ajax_pressbooks_aldine_update_catalog', '\Aldine\Admin\update_catalog' );
diff --git a/inc/helpers/namespace.php b/inc/helpers/namespace.php
index 8764688..d32eb7f 100644
--- a/inc/helpers/namespace.php
+++ b/inc/helpers/namespace.php
@@ -308,7 +308,7 @@ function handle_contact_form_submission() {
 function has_sections( $post_id ) {
 	$post_content = get_post_field( 'post_content', $post_id );
 	if ( ! empty( $post_content ) ) {
-		if ( strpos( $post_content, 'page-section' ) ) {
+		if ( strpos( $post_content, 'page-section' ) || strpos( $post_content, 'aldine_page_section' ) ) {
 			return true;
 		} else {
 			return false;
diff --git a/inc/shortcodes/namespace.php b/inc/shortcodes/namespace.php
new file mode 100644
index 0000000..455513a
--- /dev/null
+++ b/inc/shortcodes/namespace.php
@@ -0,0 +1,58 @@
+<?php
+/**
+ * Aldine Shortcodes
+ *
+ * @package Aldine
+ */
+
+namespace Aldine\Shortcodes;
+
+/**
+ * Shortcode for Page Section.
+ *
+ * @param array $atts
+ * @param string $content
+ *
+ * @return string
+ */
+function page_section( $atts, $content = null ) {
+	$atts = shortcode_atts(
+		[
+			'title' => 'Page Section',
+			'variant' => '',
+		],
+		$atts,
+		'aldine_page_section'
+	);
+
+	return sprintf(
+		'<div class="page-section%1$s"><h2>%2$s</h2>%3$s</div>',
+		( $atts['variant'] ) ? " page-section--{$atts['variant']}" : '',
+		$atts['title'],
+		$content
+	);
+}
+
+/**
+ * Shortcode for custom Call to Action.
+ *
+ * @param array $atts
+ *
+ * @return string
+ */
+function call_to_action( $atts ) {
+	$atts = shortcode_atts(
+		[
+			'link' => '#',
+			'text' => 'Call To Action',
+		],
+		$atts,
+		'aldine_call_to_action'
+	);
+
+	return sprintf(
+		'<a class="call-to-action" href="%1$s" title="%2$s">%2$s</a>',
+		$atts['link'],
+		$atts['text']
+	);
+}