feat: add content feed with AJAX filtering and load more on front page

wp-content/themes/bitwms-child/templates/content-card.php

@@ -0,0 +1,78 @@
+<?php
+/**
+ * БИТ.WMS Child Theme — templates/content-card.php
+ *
+ * Universal content card used in the content feed section and AJAX responses.
+ * Reads the current post from The Loop (global $post).
+ *
+ * @package bitwms-child
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+    exit;
+}
+
+// Map post_type to label. For 'post' also check for "news" category.
+$type_labels = array(
+    'case'     => __( 'Кейс', 'bitwms-child' ),
+    'webinar'  => __( 'Вебинар', 'bitwms-child' ),
+    'course'   => __( 'Курс', 'bitwms-child' ),
+    'event'    => __( 'Мероприятие', 'bitwms-child' ),
+    'material' => __( 'Материал', 'bitwms-child' ),
+);
+
+$post_type  = get_post_type();
+$badge_text = '';
+
+if ( 'post' === $post_type ) {
+    if ( has_category( 'news' ) ) {
+        $badge_text = __( 'Новость', 'bitwms-child' );
+    } else {
+        $badge_text = __( 'Статья', 'bitwms-child' );
+    }
+} elseif ( isset( $type_labels[ $post_type ] ) ) {
+    $badge_text = $type_labels[ $post_type ];
+}
+
+// Trim excerpt to 15 words.
+$excerpt = get_the_excerpt();
+if ( $excerpt ) {
+    $words   = explode( ' ', $excerpt );
+    $excerpt = implode( ' ', array_slice( $words, 0, 15 ) );
+    if ( count( $words ) > 15 ) {
+        $excerpt .= '…';
+    }
+}
+?>
+
+<article class="content-card" data-post-type="<?php echo esc_attr( $post_type ); ?>">
+    <a href="<?php the_permalink(); ?>" class="content-card__link">
+
+        <div class="content-card__image">
+            <?php if ( has_post_thumbnail() ) : ?>
+                <?php the_post_thumbnail( 'medium_large', array( 'alt' => esc_attr( get_the_title() ) ) ); ?>
+            <?php else : ?>
+                <div class="content-card__placeholder" aria-hidden="true"></div>
+            <?php endif; ?>
+        </div>
+
+        <div class="content-card__body">
+            <?php if ( $badge_text ) : ?>
+                <span class="badge"><?php echo esc_html( $badge_text ); ?></span>
+            <?php endif; ?>
+
+            <h3 class="content-card__title"><?php the_title(); ?></h3>
+
+            <?php if ( $excerpt ) : ?>
+                <p class="content-card__excerpt"><?php echo esc_html( $excerpt ); ?></p>
+            <?php endif; ?>
+
+            <div class="content-card__meta">
+                <time datetime="<?php echo esc_attr( get_the_date( 'Y-m-d' ) ); ?>">
+                    <?php echo esc_html( get_the_date( 'd.m.Y' ) ); ?>
+                </time>
+            </div>
+        </div>
+
+    </a>
+</article>

wp-content/themes/bitwms-child/templates/section-filter.php

@@ -0,0 +1,78 @@
+<?php
+/**
+ * БИТ.WMS Child Theme — templates/section-filter.php
+ *
+ * Content feed section with tag-based filter bar and "Load more" button.
+ * Initial query fetches 6 posts across all 6 custom post types, ordered by date DESC.
+ *
+ * @package bitwms-child
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+    exit;
+}
+
+$filter_buttons = array(
+    'all'     => __( 'Все', 'bitwms-child' ),
+    'post'    => __( 'Статьи', 'bitwms-child' ),
+    'case'    => __( 'Кейсы', 'bitwms-child' ),
+    'webinar' => __( 'Вебинары', 'bitwms-child' ),
+    'course'  => __( 'Курсы', 'bitwms-child' ),
+    'event'   => __( 'Мероприятия', 'bitwms-child' ),
+    'material'=> __( 'Материалы', 'bitwms-child' ),
+);
+
+$post_types = array( 'post', 'case', 'webinar', 'course', 'event', 'material' );
+$posts_per_page = 6;
+
+$initial_query = new WP_Query( array(
+    'post_type'      => $post_types,
+    'posts_per_page' => $posts_per_page,
+    'orderby'        => 'date',
+    'order'          => 'DESC',
+    'post_status'    => 'publish',
+) );
+?>
+
+<section class="content-feed">
+    <div class="container">
+
+        <div class="filter-bar" role="tablist">
+            <?php foreach ( $filter_buttons as $value => $label ) : ?>
+                <button
+                    class="filter-bar__btn<?php echo $value === 'all' ? ' filter-bar__btn--active' : ''; ?>"
+                    data-filter="<?php echo esc_attr( $value ); ?>"
+                    role="tab"
+                    aria-selected="<?php echo $value === 'all' ? 'true' : 'false'; ?>"
+                >
+                    <?php echo esc_html( $label ); ?>
+                </button>
+            <?php endforeach; ?>
+        </div>
+
+        <div class="content-grid" id="content-grid">
+            <?php if ( $initial_query->have_posts() ) : ?>
+                <?php while ( $initial_query->have_posts() ) : $initial_query->the_post(); ?>
+                    <?php get_template_part( 'templates/content-card' ); ?>
+                <?php endwhile; ?>
+                <?php wp_reset_postdata(); ?>
+            <?php else : ?>
+                <p><?php esc_html_e( 'Материалы не найдены.', 'bitwms-child' ); ?></p>
+            <?php endif; ?>
+        </div>
+
+        <?php if ( $initial_query->found_posts > $posts_per_page ) : ?>
+            <div class="content-feed__more">
+                <button
+                    class="btn btn--outline load-more-btn"
+                    id="load-more-btn"
+                    data-page="1"
+                    data-filter="all"
+                >
+                    <?php esc_html_e( 'Загрузить ещё', 'bitwms-child' ); ?>
+                </button>
+            </div>
+        <?php endif; ?>
+
+    </div>
+</section>