82 lines
2.3 KiB
PHP
82 lines
2.3 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* Frontend verification date display on peptide single pages.
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*
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* What: Appends last-verified date after verdict card on reader-facing pages.
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* Who calls it: PR_Core::init() hooks the_content filter.
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* Dependencies: None (hooked via the_content).
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*
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* @see includes/class-pr-core.php — Registers the_content hook.
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*/
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class PR_Core_Verification_Display {
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/**
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* Initialize frontend hooks.
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*
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* Side effects: Registers the_content filter.
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*
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* @return void
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*/
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public static function init(): void {
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add_filter( 'the_content', [ __CLASS__, 'append_verification_display' ], 20 );
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}
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/**
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* Append verification display after verdict card.
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*
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* @param string $content The post content.
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* @return string Modified content.
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*/
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public static function append_verification_display( string $content ): string {
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// Only on peptide CPT, not in admin.
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if ( is_admin() || ! is_singular( PR_Core_Peptide_CPT::POST_TYPE ) ) {
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return $content;
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}
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$post_id = get_the_ID();
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if ( ! $post_id ) {
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return $content;
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}
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// Only if _pr_last_source_verified is set.
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$last_verified = get_post_meta( $post_id, '_pr_last_source_verified', true );
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if ( empty( $last_verified ) ) {
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return $content;
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}
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// Find the verdict card closing div and append after it.
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$verdict_close = '</div><!-- .pr-verdict -->';
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if ( strpos( $content, $verdict_close ) !== false ) {
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$display = self::render_verification_block( $last_verified );
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$content = str_replace( $verdict_close, $verdict_close . $display, $content );
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}
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return $content;
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}
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/**
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* Render the verification block HTML.
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*
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* @param string $last_verified ISO date string.
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* @return string HTML block.
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*/
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private static function render_verification_block( string $last_verified ): string {
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$date_obj = new \DateTime( $last_verified );
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$formatted_date = $date_obj->format( get_option( 'date_format' ) );
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$html = '<p class="pr-verification-date">';
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$html .= esc_html__( 'Last verified: ', 'peptide-repo-core' );
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$html .= sprintf(
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'<time datetime="%s">%s</time>',
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esc_attr( $date_obj->format( 'Y-m-d' ) ),
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esc_html( $formatted_date )
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);
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$html .= ' — <a href="' . esc_url( home_url( '/our-methodology/' ) ) . '">' . esc_html__( 'methodology', 'peptide-repo-core' ) . '</a>';
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$html .= '</p>';
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return $html;
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}
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}
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