File properties/class-papi-property-flexible.php

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<?php

/**
 * Flexible repeater property that can repeat multiple properties
 * with different properties per layout.
 */
class Papi_Property_Flexible extends Papi_Property_Repeater {

    /**
     * The convert type.
     *
     * @var string
     */
    public $convert_type = 'array';

    /**
     * Flexible repeater counter number.
     *
     * @var int
     */
    protected $counter = 0;

    /**
     * The default value.
     *
     * @var array
     */
    public $default_value = [];

    /**
     * Exclude properties that is not allowed in a repeater.
     *
     * @var array
     */
    protected $exclude_properties = ['flexible'];

    /**
     * The layout key.
     *
     * @var string
     */
    protected $layout_key = '_flexible_layout';

    /**
     * Layout value regex.
     *
     * @var string
     */
    private $layout_value_regex = '/^\_flexible\_layout\_/';

    /**
     * Delete value from the database.
     *
     * @param  string $slug
     * @param  int    $post_id
     * @param  string $type
     *
     * @return bool
     */
    public function delete_value( $slug, $post_id, $type ) {
        $rows   = intval( papi_get_property_meta_value( $post_id, $slug ) );
        $value  = $this->load_value( $rows, $slug, $post_id );
        $value  = papi_to_property_array_slugs( $value, $slug );
        $result = true;

        foreach ( $value as $key => $value ) {
            $out    = papi_delete_property_meta_value( $post_id, $key, $type );
            $result = $out ? $result : $out;
        }

        return $result;
    }

    /**
     * Format the value of the property before it's returned
     * to WordPress admin or the site.
     *
     * @param  mixed  $values
     * @param  string $repeater_slug
     * @param  int    $post_id
     *
     * @return array
     */
    public function format_value( $values, $repeater_slug, $post_id ) {
        if ( ! is_array( $values ) ) {
            return [];
        }

        foreach ( $values as $index => $layout ) {
            foreach ( $layout as $slug => $value ) {
                if ( is_string( $value ) && preg_match( $this->layout_value_regex, $value ) ) {
                    if ( isset( $values[$index][$this->layout_key] ) ) {
                        unset( $values[$index][$slug] );
                        continue;
                    }

                    $values[$index][$this->layout_key] = $value;
                    unset( $values[$index][$slug] );

                    continue;
                }

                if ( papi_is_property_type_key( $slug ) ) {
                    continue;
                }

                $property_type_slug = papi_get_property_type_key_f( $slug );

                if ( ! isset( $values[$index][$property_type_slug] ) ) {
                    continue;
                }

                $property_type_value = $values[$index][$property_type_slug];
                $property_type = papi_get_property_type( $property_type_value );

                if ( ! is_object( $property_type ) ) {
                    continue;
                }

                // Get property child slug.
                $child_slug = $this->get_child_slug( $repeater_slug, $slug );

                // Create cache key.
                $cache_key = sprintf( '%s_%d_%s', $repeater_slug, $index, $slug );

                // Get raw value from cache if enabled.
                if ( $this->cache ) {
                    $raw_value = papi_cache_get( $cache_key , $post_id, $this->get_meta_type() );
                } else {
                    $raw_value = false;
                }

                // Load the value.
                if ( $raw_value === null || $raw_value === false ) {
                    $values[$index][$slug] = $property_type->load_value( $value, $child_slug, $post_id );
                    $values[$index][$slug] = papi_filter_load_value( $property_type->type, $values[$index][$slug], $child_slug, $post_id, papi_get_meta_type() );

                    if ( ! papi_is_empty( $values[$index][$slug] ) && $this->cache ) {
                        papi_cache_set( $cache_key, $post_id, $values[$index][$slug], $this->get_meta_type() );
                    }
                } else {
                    $values[$index][$slug] = $raw_value;
                }

                if ( strtolower( $property_type->type ) === 'repeater' ) {
                    $property_type->cache = false;
                }

                // Format the value from the property class.
                $values[$index][$slug] = $property_type->format_value( $values[$index][$slug], $child_slug, $post_id );

                if ( ! is_admin() ) {
                    $values[$index][$slug] = papi_filter_format_value( $property_type->type, $values[$index][$slug], $child_slug, $post_id, papi_get_meta_type() );
                }

                $values[$index][$property_type_slug] = $property_type_value;
            }
        }

        if ( ! is_admin() ) {
            foreach ( $values as $index => $row ) {
                foreach ( $row as $slug => $value ) {
                    if ( is_string( $value ) && preg_match( $this->layout_value_regex, $value ) ) {
                        unset( $values[$index][$slug] );
                        $values[$index]['_layout'] = preg_replace( $this->layout_value_regex, '', $value );
                    }

                    if ( papi_is_property_type_key( $slug ) ) {
                        unset( $values[$index][$slug] );
                    }

                    if ( papi_is_empty( $value ) ) {
                        unset( $values[$index][$slug] );
                    }
                }
            }
        }

        return $values;
    }

    /**
     * Check if the given key is a valid layout key.
     *
     * @param  string $key
     *
     * @return bool
     */
    protected function is_layout_key( $key ) {
        return is_string( $key ) && preg_match( '/\\_layout|\\' . $this->layout_key . '$/', $key );
    }

    /**
     * Generate layout slug.
     *
     * @param  string $key
     * @param  string $extra
     *
     * @return string
     */
    protected function get_json_id( $key, $extra = '' ) {
        return $this->get_slug() . '_' . papi_slugify( $key ) . (
            empty( $extra ) ? '' : '_' . $extra
        );
    }

    /**
     * Get layout by slug.
     *
     * @param  string $slug
     *
     * @return string
     */
    protected function get_layout( $slug ) {
        $layouts = $this->get_settings_layouts();

        foreach ( $layouts as $layout ) {
            if ( $layout['slug'] === $slug ) {
                return $layout;
            }
        }
    }

    /**
     * Get layout value.
     *
     * @param  string $layout
     *
     * @return string
     */
    protected function get_layout_value( $layout ) {
        if ( preg_match( $this->layout_value_regex, $layout ) ) {
            return $layout;
        }

        return sprintf( '_flexible_layout_%s', $layout );
    }

    /**
     * Get results from the database.
     *
     * @param  int    $value
     * @param  string $repeater_slug
     * @param  int    $post_id
     *
     * @return array
     */
    protected function get_results( $value, $repeater_slug, $post_id ) {
        global $wpdb;

        if ( $this->is_option_page() ) {
            $table = $wpdb->prefix . 'options';
            $query = $wpdb->prepare(
                "SELECT * FROM `$table` WHERE `option_name` LIKE '%s' ORDER BY `option_id` ASC",
                $repeater_slug . '_%'
            );
        } else {
            $table  = sprintf( '%s%smeta', $wpdb->prefix, $this->get_meta_type() );
            $column = papi_get_meta_id_column( $this->get_meta_type() );
            $query  = $wpdb->prepare(
                "SELECT * FROM `$table` WHERE `meta_key` LIKE '%s' AND `$column` = %s ORDER BY `meta_id` ASC", $repeater_slug . '_%',
                $post_id
            );
        }

        $dbresults = $wpdb->get_results( $query );
        $value     = intval( $value );

        // Do not proceed with empty value or columns.
        if ( empty( $value ) ) {
            return [[], []];
        }

        $values  = [];
        $results = [];
        $trash   = [];

        // Get row results.
        $rows = $this->get_row_results( $dbresults );

        // Get columns, divde all items with two.
        $columns = array_map( function ( $row ) {
            return count( $row ) / 2;
        }, $rows );

        $rows = array_values( $rows );

        // Add repeater slug with number of rows to the values array.
        $values[$repeater_slug] = $value;

        for ( $i = 0; $i < $value; $i++ ) {

            $no_trash = [];

            if ( ! isset( $columns[$i] ) || ! isset( $rows[$i] ) ) {
                continue;
            }

            foreach ( $rows[$i] as $slug => $meta ) {
                if ( ! is_string( $slug ) || ! isset( $rows[$i][$slug] ) ) {
                    continue;
                }

                // Do not deal with layout meta object here since the property meta object will deal with it later.
                if ( is_string( $meta->meta_value ) && preg_match( $this->layout_value_regex, $meta->meta_value ) ) {
                    if ( ! isset( $values[$slug] ) ) {
                        $values[$slug] = $meta->meta_value;
                    }

                    continue;
                }

                // Add meta object to the no trash array.
                // so it won't be deleted.
                $no_trash[$slug] = $meta;

                // Serialize value if needed.
                $meta->meta_value = papi_maybe_json_decode(
                    maybe_unserialize( $meta->meta_value )
                );

                // Add property value and property type value.
                $values[$meta->meta_key] = $meta->meta_value;

                if ( isset( $rows[$i][$slug] ) ) {
                    // Add the meta value.
                    $values[$slug] = $rows[$i][$slug]->meta_value;
                }
            }

            // Get the meta keys to delete.
            $trash_diff = array_diff(
                array_keys( $rows[$i] ),
                array_keys( $no_trash )
            );

            if ( ! empty( $trash_diff ) ) {
                // Find all trash meta objects from results array.
                foreach ( $trash_diff as $slug ) {
                    if ( ! isset( $results[$i] ) || ! isset( $rows[$i][$slug] ) ) {
                        continue;
                    }

                    $trash[$results[$i][$slug]->meta_key] = $rows[$i][$slug];
                }
            }
        }

        // Fetch one layout per row.
        // Since 3.0.0 this is backward compatibility.
        $dblayouts = [];
        foreach ( array_keys( $values ) as $slug ) {
            if ( $this->is_layout_key( $slug ) ) {
                $num = str_replace( $repeater_slug . '_', '', $slug );
                $num = explode( '_', $num );
                $num = intval( $num[0] );

                if ( ! isset( $dblayouts[$num] ) ) {
                    $dblayouts[$num] = $num . $values[$slug];
                }
            }
        }

        $layouts = $this->get_settings_layouts();

        // Add empty rows that isn't saved to database.
        for ( $i = 0; $i < $value; $i++ ) {
            foreach ( $layouts as $layout ) {
                $layout_slug = sprintf( '%s_%d%s', $this->get_slug( true ), $i, $this->layout_key );

                // Since 3.0.0 the `$dblayouts` check is only for backward compatibility.
                if ( isset( $layout['slug'] ) && ( isset( $values[$layout_slug] ) || in_array( $i . $layout['slug'], $dblayouts ) ) ) {
                    foreach ( $layout['items'] as $prop ) {
                        $slug = sprintf( '%s_%d_%s', $repeater_slug, $i, unpapify( $prop->slug ) );

                        if ( ! isset( $values[$slug] ) ) {
                            $values[$slug] = null;
                        }
                    }
                }
            }
        }

        return [$values, $trash];
    }

    /**
     * Get layouts.
     *
     * @return array
     */
    protected function get_settings_layouts() {
        $settings = $this->get_settings();
        return $this->prepare_properties( papi_to_array( $settings->items ) );
    }

    /**
     * Change value after it's loaded from the database
     * and populate every property in the flexible with the right property type.
     *
     * @param mixed  $value
     * @param string $repeater_slug
     * @param int    $post_id
     *
     * @return array
     */
    public function load_value( $value, $repeater_slug, $post_id ) {
        if ( is_array( $value ) ) {
            return $value;
        }

        list( $results, $trash ) = $this->get_results( $value, $repeater_slug, $post_id );

        // Will not need this array.
        unset( $trash );

        $store    = $this->get_store();
        $results = papi_from_property_array_slugs(
            $results,
            unpapify( $repeater_slug )
        );

        if ( is_null( $store ) ) {
            return $this->default_value;
        }

        return $this->load_child_properties( $results, $this );
    }

    /**
     * Prepare properties.
     *
     * Not the best name for this function, but since
     * property repeater using this we can't rename it.
     *
     * @param  array $layouts
     *
     * @return array
     */
    protected function prepare_properties( $layouts ) {
        $layouts = array_map( function ( $layout ) {
            return (array) $layout;
        }, $layouts );

        foreach ( $layouts as $index => $layout ) {
            if ( ! $this->valid_layout( $layout ) ) {
                if ( is_array( $layout ) ) {
                    unset( $layout[$index] );
                } else {
                    unset( $layouts[$index] );
                }

                continue;
            }

            if ( ! isset( $layout['slug'] ) ) {
                $layout['slug'] = $layout['title'];
            }

            $layouts[$index]['slug']  = papi_slugify( $layout['slug'] );
            $layouts[$index]['slug']  = $this->get_layout_value(
                $layouts[$index]['slug']
            );
            $layouts[$index]['items'] = parent::prepare_properties(
                $layout['items']
            );
        }

        return array_filter( $layouts );
    }

    /**
     * Render AJAX request.
     */
    public function render_ajax_request() {
        $items   = null;
        $layouts = $this->get_settings_layouts();

        if ( defined( 'DOING_PAPI_AJAX' ) && DOING_PAPI_AJAX ) {
            $counter         = papi_get_qs( 'counter' );
            $this->counter   = intval( $counter );
            $flexible_layout = papi_get_qs( 'flexible_layout' );

            foreach ( $layouts as $layout ) {
                if ( $layout['slug'] === $flexible_layout ) {
                    $items = $layout;
                    break;
                }
            }
        }

        if ( ! empty( $items ) ) {
            $this->render_properties( $items, false );
        }
    }

    /**
     * Render layout JSON template.
     *
     * @param string $slug
     */
    protected function render_json_template( $slug ) {
        $options = $this->get_options();

        foreach ( $options->settings->items as $key => $value ) {
            if ( ! isset( $value['items'] ) ) {
                continue;
            }

            foreach ( $value['items'] as $index => $property ) {
                $property = $this->prepare_property_for_json( papi_property( $property ) );

                if ( $property === false ) {
                    unset( $options->settings->items[$key]['items'][$index] );
                    continue;
                }

                $options->settings->items[$key]['items'][$index] = $property;
            }
        }

        papi_render_html_tag( 'script', [
            'data-papi-json' => sprintf( '%s_repeater_json', $slug ),
            'type'           => 'application/json',
            json_encode( [$options] )
        ] );
    }

    /**
     * Render layout input.
     *
     * @param string $value
     */
    protected function render_layout_input( $value ) {
        $slug = sprintf( '%s[%d][%s]', $this->get_slug(), $this->counter, $this->layout_key );
        ?>
        <input type="hidden" name="<?php echo $slug; ?>" value="<?php echo $value; ?>" />
        <?php
    }

    /**
     * Render properties.
     *
     * @param array $row
     * @param array|bool $value
     */
    protected function render_properties( $row, $value ) {
        $has_value     = $value !== false;
        $render_layout = $this->get_setting( 'layout' );
        $layout_slug   = isset( $row['slug'] ) ? $row['slug'] : false;
        $layout_slug   = empty( $layout_slug ) && isset( $value['_layout'] ) ? $value['_layout'] : $layout_slug;
        $layout_slug   = empty( $layout_slug ) && isset( $value[$this->layout_key] ) ? $value[$this->layout_key] : $layout_slug;
        $row           = isset( $row['items'] ) ? $row['items'] : $row;

        // Render one hidden input for layout slug.
        $this->render_layout_input( $layout_slug );
        ?>
            <td class="repeater-column flexible-column <?php echo $render_layout === 'table' ? 'flexible-layout-table' : 'flexible-layout-row'; ?>">
                <div class="repeater-content-open">
                    <table class="<?php echo $render_layout === 'table' ? 'flexible-table' : 'papi-table'; ?>">
                        <?php
                        if ( $render_layout === 'table' ):
                            echo '<thead>';
                            for ( $i = 0, $l = count( $row ); $i < $l; $i++ ) {
                                // Don't show the property if it's disabled.
                                if ( $row[$i]->disabled() ) {
                                    continue;
                                }

                                echo '<th class="' . ( $row[$i]->display() ? '' : 'papi-hide' ) . '">';
                                echo sprintf(
                                    '<label for="%s">%s</label>',
                                    $this->html_id( $row[$i], $this->counter ),
                                    $row[$i]->title
                                );
                                echo '</th>';
                            }
                            echo '</thead>';
                        endif;

                        echo '<tbody>';

                        if ( $render_layout === 'table' ):
                            echo '<tr>';
                        endif;

                        for ( $i = 0, $l = count( $row ); $i < $l; $i++ ) {
                            // Don't show the property if it's disabled.
                            if ( $row[$i]->disabled() ) {
                                continue;
                            }

                            $render_property = clone $row[$i]->get_options();
                            $value_slug      = $row[$i]->get_slug( true );

                            if ( $has_value ) {
                                if ( array_key_exists( $value_slug, $value ) ) {
                                    $render_property->value = $value[$value_slug];
                                } else {
                                    if ( array_key_exists( $row[$i]->get_slug(), $value ) ) {
                                        $render_property->value = $row[$i]->default_value;
                                    } else {
                                        continue;
                                    }
                                }
                            }

                            $render_property->slug  = $this->html_name(
                                $render_property,
                                $this->counter
                            );
                            $render_property->raw   = $render_layout === 'table';

                            if ( $render_layout === 'table' ) {
                                echo '<td class="' . ( $row[$i]->display() ? '' : 'papi-hide' ) . '">';
                            }

                            papi_render_property( $render_property );

                            if ( $render_layout === 'table' ) {
                                echo '</td>';
                            }
                        }

                        if ( $render_layout === 'table' ):
                            echo '</tr>';
                        endif;

                        echo '</tbody>';
                        ?>
                    </table>
                </div>
                <div class="repeater-content-closed">
                    <?php
                    if ( $layout = $this->get_layout( $layout_slug ) ) {
                        echo $layout['title'];
                    }
                    ?>
                </div>
            </td>
        <?php
    }

    /**
     * Render repeater html.
     *
     * @param object $options
     */
    protected function render_repeater( $options ) {
        $layouts = $this->get_settings_layouts();
        ?>
        <div class="papi-property-flexible papi-property-repeater-top" data-limit="<?php echo $this->get_setting( 'limit' ); ?>">
            <table class="papi-table">
                <tbody class="repeater-tbody flexible-tbody">
                    <?php $this->render_repeater_row(); ?>
                </tbody>
            </table>

            <div class="bottom">
                <div class="flexible-layouts-btn-wrap">
                    <div class="flexible-layouts papi-hide">
                        <div class="flexible-layouts-arrow"></div>
                        <ul>
                            <?php
                            foreach ( $layouts as $layout ) {
                                papi_render_html_tag( 'li', [
                                    papi_html_tag( 'a', [
                                        'data-layout'    => $layout['slug'],
                                        'data-papi-json' => sprintf( '%s_repeater_json', $options->slug ),
                                        'href'           => '#',
                                        'role'           => 'button',
                                        'tabindex'       => 0,
                                        $layout['title']
                                    ] )
                                ] );
                            }
                            ?>
                        </ul>
                    </div>

                    <?php
                    papi_render_html_tag( 'button', [
                        'class' => 'button button-primary',
                        'type'  => 'button',
                        esc_html( $this->get_setting( 'add_new_label' ) )
                    ] );
                    ?>
                </div>
            </div>

            <?php /* Default repeater value */ ?>

            <input type="hidden" data-papi-rule="<?php echo $options->slug; ?>" name="<?php echo $this->get_slug(); ?>[]" />
        </div>
        <?php
    }

    /**
     * Render repeater row.
     */
    protected function render_repeater_row() {
        $layouts = $this->get_settings_layouts();
        $values  = $this->get_value();

        // Fetch all slugs in all layouts.
        $slugs = [];
        foreach ( $layouts as $index => $layout ) {
            foreach ( $layout['items'] as $item ) {
                $slugs[] = unpapify( $item->slug );
            }
        }

        // Remove values that don't exists in the slugs array.
        foreach ( $values as $index => $row ) {
            $keys = array_keys( $row );

            foreach ( array_keys( $row ) as $slug ) {
                if ( in_array( $slug, $keys ) || papi_is_property_type_key( $slug ) || $this->is_layout_key( $slug ) ) {
                    continue;
                }

                unset( $values[$index][$slug] );
            }
        }

        $values = array_filter( $values );
        $closed_rows = $this->get_setting( 'closed_rows', true );

        foreach ( $values as $index => $row ):
            ?>

            <tr <?php echo $closed_rows ? 'class="closed"' : ''; ?>>
                <td class="handle">
                    <span class="toggle"></span>
                    <span class="count"><?php echo $this->counter + 1; ?></span>
                </td>
                <?php
                foreach ( $layouts as $layout ) {
                    // Don't render layouts that don't have a valid value in the database.
                    if ( ! isset( $row[$this->layout_key] ) || $layout['slug'] !== $this->get_layout_value( $row[$this->layout_key] ) ) {
                        continue;
                    }

                    // Render all properties in the layout
                    $this->render_properties( $layout['items'], $row );
                }

                $this->counter++;
                ?>
                <td class="last">
                    <span>
                        <a title="<?php _e( 'Remove', 'papi' ); ?>" href="#" class="repeater-remove-item">x</a>
                    </span>
                </td>
            </tr>

            <?php
        endforeach;
    }

    /**
     * Render repeater row template.
     */
    public function render_repeater_row_template() {
        ?>
        <script type="text/template" id="tmpl-papi-property-flexible-row">
            <tr>
                <td class="handle">
                    <span class="toggle"></span>
                    <span class="count"><%= counter + 1 %></span>
                </td>
                <%= columns %>
                <td class="last">
                    <span>
                        <a title="<?php _e( 'Remove', 'papi' ); ?>" href="#" class="repeater-remove-item">x</a>
                    </span>
                </td>
            </tr>
        </script>
        <?php
    }

    /**
     * Setup actions.
     */
    protected function setup_actions() {
        add_action( 'admin_head', [$this, 'render_repeater_row_template'] );
    }

    /**
     * Check if the layout is valid or not.
     *
     * @param  array $layout
     *
     * @return bool
     */
    private function valid_layout( array $layout ) {
        return isset( $layout['title'], $layout['items'] );
    }
}

Classes

Functions