bp_nouveau_ajax_get_thread_messages()

function bp_nouveau_ajax_get_thread_messages() {
	global $thread_template, $media_template;

	if ( empty( $_POST['nonce'] ) || ! wp_verify_nonce( $_POST['nonce'], 'bp_nouveau_messages' ) ) {
		wp_send_json_error( array(
			'feedback' => __( 'Unauthorized request.', 'buddyboss' ),
			'type'     => 'error'
		) );
	}

	$response = array(
		'feedback' => __( 'Sorry, no messages were found.', 'buddyboss' ),
		'type'     => 'info'
	);

	$response_no_more = array(
		'feedback' => __( 'Sorry, no more messages can be loaded.', 'buddyboss' ),
		'type'     => 'info'
	);

	if ( empty( $_POST['id'] ) ) {
		wp_send_json_error( $response );
	}

	$thread_id    = (int) $_POST['id'];
	$bp           = buddypress();
	$reset_action = $bp->current_action;

	// Override bp_current_action().
	$bp->current_action = 'view';

	bp_get_thread( array( 'thread_id' => $thread_id ) );

	$thread = new stdClass;

	// Check recipients if connected or not
	if ( bp_force_friendship_to_message() && bp_is_active( 'friends' ) ) {

		$recipients = (array) $thread_template->thread->recipients;

		// Strip the sender from the recipient list, and unset them if they are
		// not alone. If they are alone, let them talk to themselves.
		if ( isset( $recipients[ bp_loggedin_user_id() ] ) && ( count( $recipients ) > 1 ) ) {
			unset( $recipients[ bp_loggedin_user_id() ] );
		}

		foreach ( $recipients as $recipient ) {
			if ( bp_loggedin_user_id() != $recipient->user_id && ! friends_check_friendship( bp_loggedin_user_id(), $recipient->user_id ) ) {
				if ( sizeof( $recipients ) > 1 ) {
					$thread->feedback_error = array( 'feedback' => __( 'You need to be connected with all recipients to continue this conversation.', 'buddyboss' ), 'type' => 'error' );
				} else {
					$thread->feedback_error = array( 'feedback' => __( 'You need to be connected with this member to continue this conversation.', 'buddyboss' ), 'type' => 'error' );
				}
				break;
			}
		}
	}

	// Simulate the loop.

	$args = [
		'thread_id' => $thread_id,
		'per_page' => isset($_POST['per_page']) && $_POST['per_page']? $_POST['per_page'] : 10,
		'before' => isset($_POST['before']) && $_POST['before']? $_POST['before'] : null,
	];

	if ( ! bp_thread_has_messages( $args ) ) {
		// Remove the bp_current_action() override.
		$bp->current_action = $reset_action;

		wp_send_json_error( $args['before']? $response_no_more : $response );
	}

	if ( empty( $_POST['js_thread'] ) ) {
		$thread->thread = array(
			'id'      => bp_get_the_thread_id(),
			'subject' => strip_tags( bp_get_the_thread_subject() ),
			'started_date' => date(
				get_option('date_format'),
				strtotime($thread_template->thread->first_message_date)
			)
		);

		if ( is_array( $thread_template->thread->recipients ) ) {
			foreach ( $thread_template->thread->recipients as $recipient ) {
				if ( empty( $recipient->is_deleted ) ) {
					$thread->thread['recipients'][] = array(
						'avatar' => esc_url( bp_core_fetch_avatar( array(
							'item_id' => $recipient->user_id,
							'object'  => 'user',
							'type'    => 'thumb',
							'width'   => BP_AVATAR_THUMB_WIDTH,
							'height'  => BP_AVATAR_THUMB_HEIGHT,
							'html'    => false,
						) ) ),
						'user_link' => bp_core_get_userlink( $recipient->user_id, false, true ),
						'user_name' => bp_core_get_user_displayname( $recipient->user_id ),
						'is_you' => $recipient->user_id == bp_loggedin_user_id()
					);
				}
			}
		}
	}

	$thread->messages = array();
	$i = 0;

	while ( bp_thread_messages() ) : bp_thread_the_message();
		$thread->messages[ $i ] = array(
			'id'            => bp_get_the_thread_message_id(),
			'content'       => do_shortcode( bp_get_the_thread_message_content() ),
			'sender_id'     => bp_get_the_thread_message_sender_id(),
			'sender_name'   => esc_html( bp_get_the_thread_message_sender_name() ),
			'sender_link'   => bp_get_the_thread_message_sender_link(),
			'sender_is_you' => bp_get_the_thread_message_sender_id() === bp_loggedin_user_id(),
			'sender_avatar' => esc_url( bp_core_fetch_avatar( array(
				'item_id' => bp_get_the_thread_message_sender_id(),
				'object'  => 'user',
				'type'    => 'thumb',
				'width'   => 32,
				'height'  => 32,
				'html'    => false,
			) ) ),
			'date'          => bp_get_the_thread_message_date_sent() * 1000,
			'display_date'  => bp_get_the_thread_message_time_since(),
		);

		if ( bp_is_active( 'messages', 'star' ) ) {
			$star_link = bp_get_the_message_star_action_link( array(
				'message_id' => bp_get_the_thread_message_id(),
				'url_only'  => true,
			) );

			$thread->messages[ $i ]['star_link']  = $star_link;
			$thread->messages[ $i ]['is_starred'] = array_search( 'unstar', explode( '/', $star_link ) );
			$thread->messages[ $i ]['star_nonce'] = wp_create_nonce( 'bp-messages-star-' . bp_get_the_thread_message_id() );
		}

		if ( bp_is_active( 'media' ) && bp_is_messages_media_support_enabled() ) {
			$media_ids = bp_messages_get_meta( bp_get_the_thread_message_id(), 'bp_media_ids', true );

			if ( ! empty( $media_ids ) && bp_has_media( array( 'include' => $media_ids, 'order_by' => 'menu_order', 'sort' => 'ASC' ) ) ) {
				$thread->messages[ $i ]['media'] = array();
				while ( bp_media() ) {
					bp_the_media();

					$thread->messages[ $i ]['media'][] = array(
						'id'        => bp_get_media_id(),
						'title'     => bp_get_media_title(),
						'thumbnail' => bp_get_media_attachment_image_thumbnail(),
						'full'      => bp_get_media_attachment_image(),
						'meta'      => $media_template->media->attachment_data->meta,
					);
				}
			}
		}

		if ( bp_is_active( 'media' ) && bp_is_messages_gif_support_enabled() ) {
			$gif_data = bp_messages_get_meta( bp_get_the_thread_message_id(), '_gif_data', true );

			if ( ! empty( $gif_data ) ) {
				$preview_url = wp_get_attachment_url( $gif_data['still'] );
				$video_url = wp_get_attachment_url( $gif_data['mp4'] );
				$thread->messages[ $i ]['gif'] = array(
					'preview_url' => $preview_url,
					'video_url' => $video_url,
				);
			}
		}

		$extra_content = bp_nouveau_messages_catch_hook_content( array(
			'beforeMeta'    => 'bp_before_message_meta',
			'afterMeta'     => 'bp_after_message_meta',
			'beforeContent' => 'bp_before_message_content',
			'afterContent'  => 'bp_after_message_content',
		) );

		if ( array_filter( $extra_content ) ) {
			$thread->messages[ $i ] = array_merge( $thread->messages[ $i ], $extra_content );
		}

		$i += 1;
	endwhile;

	$thread->messages = array_filter( $thread->messages );

	// Remove the bp_current_action() override.
	$bp->current_action = $reset_action;

	// pagination
	$thread->per_page = $thread_template->thread->messages_perpage;
	$thread->messages_count = $thread_template->thread->total_messages;
	$thread->next_messages_timestamp = $thread_template->thread->messages[count($thread_template->thread->messages) - 1]->date_sent;

	wp_send_json_success( $thread );
}