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wp/wp-content/plugins/wp-mail-smtp/src/Admin/Pages/AdditionalConnectionsTab.php

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+<?php
+
+namespace WPMailSMTP\Admin\Pages;
+
+use WPMailSMTP\Admin\PageAbstract;
+
+/**
+ * Class AdditionalConnectionsTab is a placeholder for Pro additional connections feature.
+ * Displays product education.
+ *
+ * @since 3.7.0
+ */
+class AdditionalConnectionsTab extends PageAbstract {
+
+	/**
+	 * Part of the slug of a tab.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @var string
+	 */
+	protected $slug = 'connections';
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param PageAbstract $parent_page Parent page object.
+	 */
+	public function __construct( $parent_page = null ) {
+
+		parent::__construct( $parent_page );
+
+		if ( wp_mail_smtp()->get_admin()->get_current_tab() === $this->slug && ! wp_mail_smtp()->is_pro() ) {
+			$this->hooks();
+		}
+	}
+
+	/**
+	 * Link label of a tab.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @return string
+	 */
+	public function get_label() {
+
+		return esc_html__( 'Additional Connections', 'wp-mail-smtp' );
+	}
+
+	/**
+	 * Register hooks.
+	 *
+	 * @since 3.7.0
+	 */
+	public function hooks() {
+
+		add_action( 'wp_mail_smtp_admin_area_enqueue_assets', [ $this, 'enqueue_assets' ] );
+	}
+
+	/**
+	 * Enqueue required JS and CSS.
+	 *
+	 * @since 3.7.0
+	 */
+	public function enqueue_assets() {
+
+		wp_enqueue_style(
+			'wp-mail-smtp-admin-lity',
+			wp_mail_smtp()->assets_url . '/libs/lity/lity.min.css',
+			[],
+			'2.4.1'
+		);
+		wp_enqueue_script(
+			'wp-mail-smtp-admin-lity',
+			wp_mail_smtp()->assets_url . '/libs/lity/lity.min.js',
+			[],
+			'2.4.1'
+		);
+	}
+
+	/**
+	 * Output HTML of additional connections' education.
+	 *
+	 * @since 3.7.0
+	 */
+	public function display() {
+
+		$upgrade_link_url = wp_mail_smtp()->get_upgrade_link(
+			[
+				'medium'  => 'Additional Connections Settings',
+				'content' => 'Upgrade to WP Mail SMTP Pro Link',
+			]
+		);
+
+		$upgrade_button_url = wp_mail_smtp()->get_upgrade_link(
+			[
+				'medium'  => 'Additional Connections Settings',
+				'content' => 'Upgrade to WP Mail SMTP Pro Button',
+			]
+		);
+		?>
+		<div id="wp-mail-additional-connections-product-education" class="wp-mail-smtp-product-education">
+			<div class="wp-mail-smtp-product-education__row">
+				<h4 class="wp-mail-smtp-product-education__heading">
+					<?php esc_html_e( 'Additional Connections', 'wp-mail-smtp' ); ?>
+				</h4>
+				<p class="wp-mail-smtp-product-education__description">
+					<?php
+					echo wp_kses(
+						sprintf( /* translators: %s - WPMailSMTP.com Upgrade page URL. */
+							__( 'Create additional connections to set a backup for your Primary Connection or to configure Smart Routing. <a href="%s" target="_blank" rel="noopener noreferrer">Upgrade to WP Mail SMTP Pro!</a>', 'wp-mail-smtp' ),
+							esc_url( $upgrade_link_url )
+						),
+						[
+							'a' => [
+								'href'   => [],
+								'rel'    => [],
+								'target' => [],
+							],
+						]
+					);
+					?>
+				</p>
+			</div>
+
+			<?php
+			$this->display_education_screenshots();
+			$this->display_education_features_list();
+			?>
+
+			<a href="<?php echo esc_url( $upgrade_button_url ); ?>" target="_blank" rel="noopener noreferrer" class="wp-mail-smtp-btn wp-mail-smtp-btn-upgrade wp-mail-smtp-btn-orange">
+				<?php esc_html_e( 'Upgrade to WP Mail SMTP Pro', 'wp-mail-smtp' ); ?>
+			</a>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Output HTML of additional connections' education screenshots.
+	 *
+	 * @since 3.7.0
+	 */
+	protected function display_education_screenshots() {
+
+		$assets_url  = wp_mail_smtp()->assets_url . '/images/additional-connections/';
+		$screenshots = [
+			[
+				'url'           => $assets_url . 'screenshot-01.png',
+				'url_thumbnail' => $assets_url . 'thumbnail-01.png',
+				'title'         => __( 'Backup Connection', 'wp-mail-smtp' ),
+			],
+			[
+				'url'           => $assets_url . 'screenshot-02.png',
+				'url_thumbnail' => $assets_url . 'thumbnail-02.png',
+				'title'         => __( 'Smart Routing', 'wp-mail-smtp' ),
+			],
+		];
+		?>
+		<div class="wp-mail-smtp-product-education__row wp-mail-smtp-product-education__row--full-width">
+			<div class="wp-mail-smtp-product-education__screenshots wp-mail-smtp-product-education__screenshots--two">
+				<?php foreach ( $screenshots as $screenshot ) : ?>
+					<div>
+						<a href="<?php echo esc_url( $screenshot['url'] ); ?>" data-lity data-lity-desc="<?php echo esc_attr( $screenshot['title'] ); ?>">
+							<img src="<?php echo esc_url( $screenshot['url_thumbnail'] ); ?>" alt="<?php esc_attr( $screenshot['title'] ); ?>">
+						</a>
+						<span><?php echo esc_html( $screenshot['title'] ); ?></span>
+					</div>
+				<?php endforeach; ?>
+			</div>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Output HTML of additional connections' education features list.
+	 *
+	 * @since 3.7.0
+	 */
+	protected function display_education_features_list() {
+
+		?>
+		<div class="wp-mail-smtp-product-education__row wp-mail-smtp-product-education__row--full-width">
+			<div class="wp-mail-smtp-product-education__list">
+				<h4><?php esc_html_e( 'With additional connections you can...', 'wp-mail-smtp' ); ?></h4>
+				<div>
+					<ul>
+						<li><?php esc_html_e( 'Set a Backup Connection', 'wp-mail-smtp' ); ?></li>
+					</ul>
+					<ul>
+						<li><?php esc_html_e( 'Use mailers for different purposes', 'wp-mail-smtp' ); ?></li>
+					</ul>
+					<ul>
+						<li><?php esc_html_e( 'Create advanced routing rules', 'wp-mail-smtp' ); ?></li>
+					</ul>
+				</div>
+			</div>
+		</div>
+		<?php
+	}
+}