front-page.php

<?php
/**
 * The template for displaying the front page of the site.
 *
 * @package OKFNWP
 */

get_header();

global $post;

if ( is_singular() && ! empty( $post->post_content ) ) :

	// Show static page content.

	if ( have_posts() ) :
		while ( have_posts() ) :
			the_post();

			?>
			<div class="main col-md-12">
			<?php get_template_part( 'content', 'page' ); ?>
			</div>

			<?php

			endwhile;
  endif;

else :

	// Show dynamic homepage content.

	?>
  <div class="main col-lg-8">
	<?php

	// This is currently the most flexible approach for the Featured post category.
	// Get the category object by its path/slug.

	if ( ! isset( $okf_featured_cat ) ) {
		$okf_featured_cat = get_category_by_path( 'featured' );
	}

	// Check if the Home page is paginated and skip the featured posts rendering
	// on any page after the first one.

	if ( isset( $paged, $okf_featured_cat ) && $paged < 2 ) :

		$okf_all_sticky_posts = get_option( 'sticky_posts' );

		// Show Sticky Posts only when at least one Sticky Post exists.
		if ( ! empty( $okf_all_sticky_posts ) ) :

			$okf_sticky_post = new WP_Query(
				array(
					'post__in'     => $okf_all_sticky_posts,
					'post__not_in' => $okf_rendered_posts_ids,
				)
			);

			if ( $okf_sticky_post->have_posts() ) :

				while ( $okf_sticky_post->have_posts() ) :
					$okf_sticky_post->the_post();

					get_template_part( 'content', 'featured' );

					endwhile;

				  wp_reset_postdata();

					endif;

	  endif;

		// Get Featured posts.
		$okf_featured = new WP_Query(
			array(
				'cat'            => $okf_featured_cat->term_id,
				'posts_per_page' => 1,
				'post__not_in'   => $okf_rendered_posts_ids,
			)
		);

		if ( $okf_featured->have_posts() ) :

			while ( $okf_featured->have_posts() ) :
				$okf_featured->the_post();

				get_template_part( 'content', 'featured' );

				endwhile;

			wp_reset_postdata();

	  endif;

		/*
		@ignore Don't test commented out code.
		else:

		?>
		<div class="alert alert-warning"><p>
		<?php _e("Sorry, the Featured post category is not available and this content cannot be rendered.", 'okfnwp'); ?>
		</p></div>
		<?php

		*/endif;

	// Get the most recent post for each of the featured categories defined in
	// functions.php via okfn_global_vars().

	global $okf_frontpage_categories;
	global $okf_rendered_posts_ids;

	if ( $okf_frontpage_categories ) :

		?>
	  <div class="row">
		<?php

		$okf_args = array(
			'category__in'   => $okf_frontpage_categories,
			'posts_per_page' => 10,
			'post_status'    => 'publish', // Required! so that no Private posts are listed for logged in users.
			'post__not_in'   => $okf_rendered_posts_ids,
		);

		// Query the most recent post from each of the featured categories,
		// while checking and remembering already rendered posts.
		$okf_featured_post = new WP_Query( $okf_args );

		if ( $okf_featured_post->have_posts() ) :

			while ( $okf_featured_post->have_posts() ) :

				$okf_featured_post->the_post();

				// Check if the current post has already been rendered on the page.
				if ( ! okfn_is_post_rendered( $post ) ) :
					get_template_part( 'content', 'front' );
					endif;

		  endwhile;

			wp_reset_postdata();

		endif;

		?>
	  </div>
	<?php endif; ?>
  </div>
	<?php

	get_sidebar();

endif;
get_footer();