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Filename : PodsUpgrade_2_0_0.php
back
<?php

// Don't load directly.
if ( ! defined( 'ABSPATH' ) ) {
	die( '-1' );
}

/**
 * @package Pods\Upgrade
 */
class PodsUpgrade_2_0_0 extends PodsUpgrade {

	/**
	 * @var string
	 */
	protected $version = '2.0.0';

	/**
	 * @return array|bool|int|mixed|null|void
	 */
	public function prepare_pods() {
		/**
		 * @var $wpdb WPDB
		 */
		global $wpdb;

		if ( ! in_array( "{$wpdb->prefix}pod_types", $this->tables, true ) ) {
			return pods_error( __( 'Table not found, it cannot be migrated', 'pods' ) );
		}

		$count = pods_query( 'SELECT COUNT(*) AS `count` FROM `@wp_pod_types`', false );

		if ( ! empty( $count ) ) {
			$count = (int) $count[0]->count;
		} else {
			$count = 0;
		}

		return $count;
	}

	/**
	 * @return array|bool|int|mixed|null|void
	 */
	public function prepare_fields() {
		/**
		 * @var $wpdb WPDB
		 */
		global $wpdb;

		if ( ! in_array( "{$wpdb->prefix}pod_fields", $this->tables, true ) ) {
			return pods_error( __( 'Table not found, it cannot be migrated', 'pods' ) );
		}

		$count = pods_query( 'SELECT COUNT(*) AS `count` FROM `@wp_pod_fields`', false );

		if ( ! empty( $count ) ) {
			$count = (int) $count[0]->count;
		} else {
			$count = 0;
		}

		return $count;
	}

	/**
	 * @return array|bool|int|mixed|null|void
	 */
	public function prepare_relationships() {
		/**
		 * @var $wpdb WPDB
		 */
		global $wpdb;

		if ( ! in_array( "{$wpdb->prefix}pod_rel", $this->tables, true ) ) {
			return pods_error( __( 'Table not found, it cannot be migrated', 'pods' ) );
		}

		$count = pods_query( 'SELECT COUNT(*) AS `count` FROM `@wp_pod_rel`', false );

		if ( ! empty( $count ) ) {
			$count = (int) $count[0]->count;
		} else {
			$count = 0;
		}

		return $count;
	}

	/**
	 * @return array|bool|int|mixed|null|void
	 */
	public function prepare_index() {
		/**
		 * @var $wpdb WPDB
		 */
		global $wpdb;

		if ( ! in_array( "{$wpdb->prefix}pod", $this->tables, true ) ) {
			return pods_error( __( 'Table not found, it cannot be migrated', 'pods' ) );
		}

		$count = pods_query( 'SELECT COUNT(*) AS `count` FROM `@wp_pod`', false );

		if ( ! empty( $count ) ) {
			$count = (int) $count[0]->count;
		} else {
			$count = 0;
		}

		return $count;
	}

	/**
	 * @return array|bool|int|mixed|null|void
	 */
	public function prepare_templates() {
		/**
		 * @var $wpdb WPDB
		 */
		global $wpdb;

		if ( ! in_array( "{$wpdb->prefix}pod_templates", $this->tables, true ) ) {
			return pods_error( __( 'Table not found, it cannot be migrated', 'pods' ) );
		}

		$count = pods_query( 'SELECT COUNT(*) AS `count` FROM `@wp_pod_templates`', false );

		if ( ! empty( $count ) ) {
			$count = (int) $count[0]->count;
		} else {
			$count = 0;
		}

		return $count;
	}

	/**
	 * @return array|bool|int|mixed|null|void
	 */
	public function prepare_pages() {
		/**
		 * @var $wpdb WPDB
		 */
		global $wpdb;

		if ( ! in_array( "{$wpdb->prefix}pod_pages", $this->tables, true ) ) {
			return pods_error( __( 'Table not found, it cannot be migrated', 'pods' ) );
		}

		$count = pods_query( 'SELECT COUNT(*) AS `count` FROM `@wp_pod_pages`', false );

		if ( ! empty( $count ) ) {
			$count = (int) $count[0]->count;
		} else {
			$count = 0;
		}

		return $count;
	}

	/**
	 * @return array|bool|int|mixed|null|void
	 */
	public function prepare_helpers() {
		/**
		 * @var $wpdb WPDB
		 */
		global $wpdb;

		if ( ! in_array( "{$wpdb->prefix}pod_helpers", $this->tables, true ) ) {
			return pods_error( __( 'Table not found, it cannot be migrated', 'pods' ) );
		}

		$count = pods_query( 'SELECT COUNT(*) AS `count` FROM `@wp_pod_helpers`', false );

		if ( ! empty( $count ) ) {
			$count = (int) $count[0]->count;
		} else {
			$count = 0;
		}

		return $count;
	}

	/**
	 * @param $params
	 *
	 * @return array|bool|int|mixed|null|void
	 */
	public function prepare_pod( $params ) {
		/**
		 * @var $wpdb WPDB
		 */
		global $wpdb;

		if ( ! isset( $params->pod ) ) {
			return pods_error( __( 'Invalid Pod.', 'pods' ) );
		}

		$pod = pods_sanitize( pods_clean_name( $params->pod ) );

		if ( ! in_array( "{$wpdb->prefix}pod_tbl_{$pod}", $this->tables, true ) ) {
			return pods_error( __( 'Table not found, it cannot be migrated', 'pods' ) );
		}

		$count = pods_query( "SELECT COUNT(*) AS `count` FROM `@wp_pod_tbl_{$pod}`", false );

		if ( ! empty( $count ) ) {
			$count = (int) $count[0]->count;
		} else {
			$count = 0;
		}

		$pod_type = pods_query( "SELECT `id` FROM `@wp_pod_types` WHERE `name` = '{$pod}'", false );

		if ( ! empty( $pod_type ) ) {
			$pod_type = (int) $pod_type[0]->id;
		} else {
			return pods_error( __( 'Pod not found, it cannot be migrated', 'pods' ) );
		}

		$fields = [ 'id' ];

		$field_rows = pods_query( "SELECT `id`, `name`, `coltype` FROM `@wp_pod_fields` WHERE `datatype` = {$pod_type} ORDER BY `weight`, `name`" );

		if ( ! empty( $field_rows ) ) {
			foreach ( $field_rows as $field ) {
				if ( ! in_array( $field->coltype, [ 'pick', 'file' ], true ) ) {
					$fields[] = $field->name;
				}
			}
		}

		$columns = PodsData::get_table_columns( "{$wpdb->prefix}pod_tbl_{$pod}" );

		$errors = [];

		foreach ( $columns as $column => $info ) {
			if ( ! in_array( $column, $fields, true ) ) {
				$errors[] = "<strong>{$column}</strong> " . __( 'is a field in the table, but was not found in this pod - the field data will not be migrated.', 'pods' );
			}
		}

		foreach ( $fields as $field ) {
			if ( ! isset( $columns[ $field ] ) ) {
				$errors[] = "<strong>{$field}</strong> " . __( 'is a field in this pod, but was not found in the table - the field data will not be migrated.', 'pods' );
			}
		}

		if ( ! empty( $errors ) ) {
			return pods_error( implode( '<br />', $errors ) );
		}

		return $count;
	}

	/**
	 *
	 */
	public function migrate_1_x() {
		$old_version = (string) get_option( 'pods_version' );

		if ( 0 < strlen( $old_version ) ) {
			if ( false === strpos( $old_version, '.' ) ) {
				$old_version = pods_version_to_point( $old_version );
			}

			// Last DB change was 1.11
			if ( version_compare( $old_version, '1.11', '<' ) ) {
				do_action( 'pods_update', PODS_VERSION, $old_version );

				if ( false !== apply_filters( 'pods_update_run', null, PODS_VERSION, $old_version ) ) {
					include_once PODS_DIR . 'sql/update-1.x.php';
				}

				do_action( 'pods_update_post', PODS_VERSION, $old_version );
			}
		}

		return '1';
	}

	/**
	 * @return array|string
	 */
	public function migrate_pods() {
		if ( true === $this->check_progress( __FUNCTION__ ) ) {
			return '1';
		}

		$sister_ids = (array) get_option( 'pods_framework_upgrade_2_0_sister_ids', [] );

		$migration_limit = (int) apply_filters( 'pods_upgrade_pod_limit', 1 );
		$migration_limit = max( $migration_limit, 1 );

		$last_id = (int) $this->check_progress( __FUNCTION__ );

		$sql = "
            SELECT *
            FROM `@wp_pod_types`
            WHERE {$last_id} < `id`
            ORDER BY `id`
            LIMIT 0, {$migration_limit}
        ";

		$pod_types = pods_query( $sql );

		$last_id = true;

		if ( ! empty( $pod_types ) ) {
			foreach ( $pod_types as $pod_type ) {
				$field_rows = pods_query( "SELECT * FROM `@wp_pod_fields` WHERE `datatype` = {$pod_type->id} ORDER BY `weight`, `name`" );

				$fields = [
					[
						'name'    => 'name',
						'label'   => 'Name',
						'type'    => 'text',
						'weight'  => 0,
						'options' => [
							'required'        => 1,
							'text_max_length' => 128,
						],
					],
					[
						'name'    => 'created',
						'label'   => 'Date Created',
						'type'    => 'datetime',
						'options' => [
							'datetime_format'      => 'ymd_slash',
							'datetime_time_type'   => '12',
							'datetime_time_format' => 'h_mm_ss_A',
						],
						'weight'  => 1,
					],
					[
						'name'    => 'modified',
						'label'   => 'Date Modified',
						'type'    => 'datetime',
						'options' => [
							'datetime_format'      => 'ymd_slash',
							'datetime_time_type'   => '12',
							'datetime_time_format' => 'h_mm_ss_A',
						],
						'weight'  => 2,
					],
					[
						'name'        => 'author',
						'label'       => 'Author',
						'type'        => 'pick',
						'pick_object' => 'user',
						'options'     => [
							'pick_format_type'      => 'single',
							'pick_format_single'    => 'autocomplete',
							'default_value'         => '{@user.ID}',
							'default_evaluate_tags' => 1,
						],
						'weight'      => 3,
					],
				];

				$weight = 4;

				$found_fields = [];

				foreach ( $field_rows as $row ) {
					if ( 'name' === $row->name ) {
						continue;
					}

					$old_name = $row->name;

					$row->name = pods_clean_name( $row->name );

					if ( in_array( $row->name, [ 'created', 'modified', 'author' ], true ) ) {
						$row->name .= '2';
					}

					$field_type = $row->coltype;

					if ( 'txt' === $field_type ) {
						$field_type = 'text';
					} elseif ( 'desc' === $field_type ) {
						$field_type = 'wysiwyg';
					} elseif ( 'code' === $field_type ) {
						$field_type = 'paragraph';
					} elseif ( 'bool' === $field_type ) {
						$field_type = 'boolean';
					} elseif ( 'num' === $field_type ) {
						$field_type = 'number';
					} elseif ( 'date' === $field_type ) {
						$field_type = 'datetime';
					}

					$field_params = [
						'name'        => trim( $row->name ),
						'label'       => trim( $row->label ),
						'description' => trim( $row->comment ),
						'type'        => $field_type,
						'weight'      => $weight,
						'options'     => [
							'required'            => $row->required,
							'unique'              => $row->unique,
							'input_helper'        => $row->input_helper,
							'_pods_1x_field_name' => $old_name,
							'_pods_1x_field_id'   => $row->id,
						],
					];

					if ( in_array( $field_params['name'], $found_fields, true ) ) {
						continue;
					}

					$found_fields[] = $field_params['name'];

					if ( 'pick' === $field_type ) {
						$field_params['pick_object'] = 'pod-' . $row->pickval;

						if ( 'wp_user' === $row->pickval ) {
							$field_params['pick_object'] = 'user';
						} elseif ( 'wp_post' === $row->pickval ) {
							$field_params['pick_object'] = 'post_type-post';
						} elseif ( 'wp_page' === $row->pickval ) {
							$field_params['pick_object'] = 'post_type-page';
						} elseif ( 'wp_taxonomy' === $row->pickval ) {
							$field_params['pick_object'] = 'taxonomy-category';
						}

						$field_params['sister_id'] = $row->sister_field_id;

						$sister_ids[ $row->id ] = $row->sister_field_id;
						// Old Sister Field ID
						$field_params['options']['_pods_1x_sister_id'] = $row->sister_field_id;

						$field_params['options']['pick_filter']  = $row->pick_filter;
						$field_params['options']['pick_orderby'] = $row->pick_orderby;
						$field_params['options']['pick_display'] = '';
						$field_params['options']['pick_size']    = 'medium';

						if ( 1 === (int) $row->multiple ) {
							$field_params['options']['pick_format_type']  = 'multi';
							$field_params['options']['pick_format_multi'] = 'checkbox';
							$field_params['options']['pick_limit']        = 0;
						} else {
							$field_params['options']['pick_format_type']   = 'single';
							$field_params['options']['pick_format_single'] = 'dropdown';
							$field_params['options']['pick_limit']         = 1;
						}
					} elseif ( 'file' === $field_type ) {
						$field_params['options']['file_format_type'] = 'multi';
						$field_params['options']['file_type']        = 'any';
					} elseif ( 'number' === $field_type ) {
						$field_params['options']['number_decimals'] = 2;
					} elseif ( 'desc' === $row->coltype ) {
						$field_params['options']['wysiwyg_editor'] = 'tinymce';
					} elseif ( 'text' === $field_type ) {
						$field_params['options']['text_max_length'] = 128;
					}//end if

					$fields[] = $field_params;

					$weight ++;
				}//end foreach

				$pod_type->name = pods_sanitize( pods_clean_name( $pod_type->name ) );

				$pod_params = [
					'name'    => $pod_type->name,
					'label'   => $pod_type->label,
					'type'    => 'pod',
					'storage' => 'table',
					'fields'  => $fields,
					'options' => [
						'pre_save_helpers'    => $pod_type->pre_save_helpers,
						'post_save_helpers'   => $pod_type->post_save_helpers,
						'pre_delete_helpers'  => $pod_type->pre_drop_helpers,
						'post_delete_helpers' => $pod_type->post_drop_helpers,
						'show_in_menu'        => $pod_type->is_toplevel,
						'detail_url'          => $pod_type->detail_page,
						'pod_index'           => 'name',
						'_pods_1x_pod_id'     => $pod_type->id,
					],
				];

				if ( empty( $pod_params['label'] ) ) {
					$pod_params['label'] = ucwords( str_replace( '_', ' ', $pod_params['name'] ) );
				}

				$pod_id = $this->api->save_pod( $pod_params );

				if ( 0 < $pod_id ) {
					$last_id = $pod_type->id;
				} else {
					pods_error( 'Error: ' . $pod_id );
				}
			}//end foreach
		}//end if

		update_option( 'pods_framework_upgrade_2_0_sister_ids', $sister_ids );

		$this->update_progress( __FUNCTION__, $last_id );

		if ( count( $pod_types ) === $migration_limit ) {
			return '-2';
		} else {
			return '1';
		}
	}

	/**
	 * @return string
	 */
	public function migrate_fields() {
		if ( true === $this->check_progress( __FUNCTION__ ) ) {
			return '1';
		}

		$sister_ids = (array) get_option( 'pods_framework_upgrade_2_0_sister_ids', [] );

		foreach ( $sister_ids as $old_field_id => $old_sister_id ) {
			$old_field_id  = (int) $old_field_id;
			$old_sister_id = (int) $old_sister_id;

			$new_field_id = pods_query( "SELECT `post_id` FROM `@wp_postmeta` WHERE `meta_key` = '_pods_1x_field_id' AND `meta_value` = '{$old_field_id}' LIMIT 1" );

			if ( ! empty( $new_field_id ) ) {
				$new_field_id = (int) $new_field_id[0]->post_id;

				$new_sister_id = pods_query( "SELECT `post_id` FROM `@wp_postmeta` WHERE `meta_key` = '_pods_1x_field_id' AND `meta_value` = '{$old_sister_id}' LIMIT 1" );

				if ( ! empty( $new_sister_id ) ) {
					$new_sister_id = (int) $new_sister_id[0]->post_id;

					update_post_meta( $new_field_id, 'sister_id', $new_sister_id );
				} else {
					delete_post_meta( $new_field_id, 'sister_id' );
				}
			}
		}

		// We were off the grid, so let's flush and allow for resync
		$this->api->cache_flush_pods();

		$this->update_progress( __FUNCTION__, true );

		return '1';
	}

	/**
	 * @return string
	 */
	public function migrate_relationships() {
		if ( true === $this->check_progress( __FUNCTION__ ) ) {
			return '1';
		}

		$migration_limit = (int) apply_filters( 'pods_upgrade_item_limit', 1500 );
		$migration_limit = max( $migration_limit, 100 );

		$last_id = (int) $this->check_progress( __FUNCTION__ );

		$sql = "
            SELECT `r`.*, `p`.`tbl_row_id` AS `real_id`, `p`.`datatype`
            FROM `@wp_pod_rel` AS `r`
            LEFT JOIN `@wp_pod` AS `p` ON `p`.`id` = `r`.`pod_id`
            WHERE {$last_id} < `r`.`id`
                AND `r`.`pod_id` IS NOT NULL
                AND `r`.`field_id` IS NOT NULL
                AND `p`.`id` IS NOT NULL
            ORDER BY `r`.`id`
            LIMIT 0, {$migration_limit}
        ";

		$rel = pods_query( $sql );

		$last_id = true;

		$pod_types = pods_query( 'SELECT `id`, `name` FROM `@wp_pod_types` ORDER BY `id`' );

		$types = [];

		$x = 0;

		if ( ! empty( $rel ) && ! empty( $pod_types ) ) {
			foreach ( $pod_types as $type ) {
				$type->name = pods_clean_name( $type->name );

				$types[ $type->id ] = $this->api->load_pod( [ 'name' => $type->name ], false );

				if ( empty( $types[ $type->id ] ) ) {
					// translators: %s is the pod name.
					return pods_error( sprintf( __( 'Pod <strong>%s</strong> not found, relationships cannot be migrated', 'pods' ), $type->name ) );
				}

				$pod_fields = pods_query( "SELECT `id`, `name` FROM `@wp_pod_fields` WHERE `datatype` = {$type->id} ORDER BY `id`" );

				$types[ $type->id ]['old_fields'] = [];

				foreach ( $pod_fields as $field ) {
					// Handle name changes
					if ( in_array( $field->name, [ 'created', 'modified', 'author' ], true ) ) {
						$field->name .= '2';
					}

					$types[ $type->id ]['old_fields'][ $field->id ] = $field->name;
				}
			}//end foreach

			foreach ( $rel as $r ) {
				$r->pod_id = (int) $r->pod_id;

				if ( ! isset( $types[ $r->datatype ] ) || ! isset( $types[ $r->datatype ]['old_fields'][ $r->field_id ] ) ) {
					continue;
				}

				if ( ! isset( $types[ $r->datatype ]['fields'][ $types[ $r->datatype ]['old_fields'][ $r->field_id ] ] ) ) {
					continue;
				}

				$field = $types[ $r->datatype ]['fields'][ $types[ $r->datatype ]['old_fields'][ $r->field_id ] ];

				if ( ! in_array( $field['type'], [ 'pick', 'file' ], true ) ) {
					continue;
				}

				$pod_id   = $types[ $r->datatype ]['id'];
				$field_id = $field['id'];
				$item_id  = $r->real_id;

				$related_pod_id   = 0;
				$related_field_id = 0;
				$related_item_id  = $r->tbl_row_id;

				if ( 'pick' === $field['type'] ) {
					$old_sister_id = (int) pods_v( '_pods_1x_sister_id', $field['options'], 0 );

					if ( 0 < $old_sister_id ) {
						$sql = '
                            SELECT `f`.`id`, `f`.`name`, `t`.`name` AS `pod`
                            FROM `@wp_pod_fields` AS `f`
                            LEFT JOIN `@wp_pod_types` AS `t` ON `t`.`id` = `f`.`datatype`
                            WHERE `f`.`id` = ' . $old_sister_id . ' AND `t`.`id` IS NOT NULL
                            ORDER BY `f`.`id`
                            LIMIT 1
                        ';

						$old_field = pods_query( $sql );

						if ( empty( $old_field ) ) {
							continue;
						}

						$old_field = $old_field[0];

						$related_field = $this->api->load_field( [
							'name' => $old_field->name,
							'pod'  => $old_field->pod,
						] );

						if ( empty( $related_field ) ) {
							continue;
						}

						$related_pod_id   = $related_field['pod_id'];
						$related_field_id = $related_field['id'];
					} elseif ( 'pod' === $field['pick_object'] && 0 < strlen( $field['pick_val'] ) ) {
						$related_pod = $this->api->load_pod( [ 'name' => $field['pick_val'] ], false );

						if ( empty( $related_pod ) ) {
							continue;
						}

						$related_pod_id = $related_pod['id'];
					}//end if
				}//end if

				$r->id            = (int) $r->id;
				$pod_id           = (int) $pod_id;
				$field_id         = (int) $field_id;
				$item_id          = (int) $item_id;
				$related_pod_id   = (int) $related_pod_id;
				$related_field_id = (int) $related_field_id;
				$related_item_id  = (int) $related_item_id;
				$r->weight        = (int) $r->weight;

				$table_data = [
					'id'               => $r->id,
					'pod_id'           => $pod_id,
					'field_id'         => $field_id,
					'item_id'          => $item_id,
					'related_pod_id'   => $related_pod_id,
					'related_field_id' => $related_field_id,
					'related_item_id'  => $related_item_id,
					'weight'           => $r->weight,
				];

				$table_formats = array_fill( 0, count( $table_data ), '%d' );

				$sql = PodsData::insert_on_duplicate( '@wp_podsrel', $table_data, $table_formats );

				pods_query( $sql );

				$last_id = $r->id;

				$x ++;

				if ( 10 < $x ) {
					$this->update_progress( __FUNCTION__, $last_id );

					$x = 0;
				}
			}//end foreach
		}//end if

		$this->update_progress( __FUNCTION__, $last_id );

		if ( count( $rel ) === $migration_limit ) {
			return '-2';
		} else {
			return '1';
		}
	}

	/**
	 * @return string
	 */
	public function migrate_settings() {
		return $this->migrate_roles();
	}

	/**
	 * @return string
	 */
	public function migrate_roles() {
		if ( true === $this->check_progress( __FUNCTION__ ) ) {
			return '1';
		}

		/**
		 * @var $wpdb WPDB
		 */
		global $wpdb;

		$wp_roles = get_option( "{$wpdb->prefix}user_roles" );

		$old_roles = get_option( 'pods_roles' );

		if ( ! is_array( $old_roles ) && ! empty( $old_roles ) ) {
			$old_roles = pods_maybe_safely_unserialize( $old_roles );
		}

		if ( ! is_array( $old_roles ) ) {
			$old_roles = [];
		}

		if ( ! empty( $old_roles ) ) {
			foreach ( $old_roles as $role => $data ) {
				if ( '_wpnonce' === $role ) {
					continue;
				}

				if ( ! isset( $wp_roles[ $role ] ) ) {
					continue;
				}

				$caps = $wp_roles[ $role ]['capabilities'];

				foreach ( $data as $cap ) {
					$cap = (string) $cap;

					if ( 0 === strpos( 'manage_', $cap ) ) {
						if ( 'manage_roles' === $cap ) {
							continue;
						}

						$cap = pods_str_replace( 'manage_', 'pods_', $cap, 1 );
						$cap = pods_str_replace( 'pod_pages', 'pages', $cap, 1 );

						$caps[ $cap ] = true;
					} elseif ( 0 === strpos( 'pod_', $cap ) ) {
						$keys = [
							pods_str_replace( 'pod_', 'pods_new_', $cap, 1 ),
							pods_str_replace( 'pod_', 'pods_edit_', $cap, 1 ),
							pods_str_replace( 'pod_', 'pods_delete_', $cap, 1 ),
						];

						foreach ( $keys as $key ) {
							$caps[ $key ] = true;
						}
					}
				}//end foreach

				$wp_roles[ $role ]['capabilities'] = $caps;
			}//end foreach
		}//end if

		update_option( "{$wpdb->prefix}user_roles", $wp_roles );

		$this->update_progress( __FUNCTION__, true );

		return '1';
	}

	/**
	 * @return array|string
	 */
	public function migrate_templates() {
		if ( true === $this->check_progress( __FUNCTION__ ) ) {
			return '1';
		}

		$templates = pods_query( 'SELECT * FROM `@wp_pod_templates`', false );

		$results = [];

		if ( ! empty( $templates ) ) {
			foreach ( $templates as $template ) {
				unset( $template->id );

				$results[] = $this->api->save_template( $template );
			}
		}

		$this->update_progress( __FUNCTION__, true );

		return '1';
	}

	/**
	 * @return array|string
	 */
	public function migrate_pages() {
		if ( true === $this->check_progress( __FUNCTION__ ) ) {
			return '1';
		}

		$pages = pods_query( 'SELECT * FROM `@wp_pod_pages`', false );

		if ( ! empty( $pages ) ) {
			foreach ( $pages as $page ) {
				unset( $page->id );

				$this->api->save_page( $page );
			}
		}

		$this->update_progress( __FUNCTION__, true );

		return '1';
	}

	/**
	 * @return array|string
	 */
	public function migrate_helpers() {
		return '1';
	}

	/**
	 * @param $params
	 *
	 * @return mixed|string|void
	 */
	public function migrate_pod( $params ) {
		/**
		 * @var $wpdb WPDB
		 */
		global $wpdb;

		if ( ! isset( $params->pod ) ) {
			return pods_error( __( 'Invalid Pod.', 'pods' ) );
		}

		$pod = pods_sanitize( pods_clean_name( $params->pod ) );

		if ( ! in_array( "{$wpdb->prefix}pod_tbl_{$pod}", $this->tables, true ) ) {
			return pods_error( __( 'Table not found, items cannot be migrated', 'pods' ) );
		}

		if ( ! in_array( "{$wpdb->prefix}pods_{$pod}", $this->tables, true ) ) {
			return pods_error( __( 'New table not found, items cannot be migrated', 'pods' ) );
		}

		if ( ! in_array( "{$wpdb->prefix}pod_types", $this->tables, true ) ) {
			return pods_error( __( 'Pod Types table not found, items cannot be migrated', 'pods' ) );
		}

		if ( ! in_array( "{$wpdb->prefix}pod", $this->tables, true ) ) {
			return pods_error( __( 'Pod table not found, items cannot be migrated', 'pods' ) );
		}

		if ( true === $this->check_progress( __FUNCTION__, $pod ) ) {
			return '1';
		}

		$pod_data = $this->api->load_pod( [ 'name' => $pod ], false );

		if ( empty( $pod_data ) ) {
			// translators: %s is the pod name.
			return pods_error( sprintf( __( 'Pod <strong>%s</strong> not found, items cannot be migrated', 'pods' ), $pod ) );
		}

		$columns     = [];
		$old_columns = [];

		foreach ( $pod_data['fields'] as $field ) {
			if ( ! in_array( $field['name'], [
					'created',
					'modified',
					'author',
				], true ) && ! in_array( $field['type'], [ 'file', 'pick' ], true ) ) {
				$columns[]     = pods_sanitize( $field['name'] );
				$old_columns[] = pods_v( '_pods_1x_field_name', $field['options'], $field['name'], false );
			}
		}

		$into   = '`id`';
		$select = '`t`.`id`';

		if ( ! empty( $columns ) ) {
			$into   .= ', `' . implode( '`, `', $columns ) . '`';
			$select .= ', `t`.`' . implode( '`, `t`.`', $old_columns ) . '`';
		}

		// Copy content from the old table into the new
		$sql = "
            REPLACE INTO `@wp_pods_{$pod}`
                ( {$into} )
                ( SELECT {$select}
                  FROM `@wp_pod_tbl_{$pod}` AS `t` )
        ";

		pods_query( $sql );

		// Copy index data from the old index table into the new individual table
		$sql = "
            UPDATE `@wp_pods_{$pod}` AS `t`
            LEFT JOIN `@wp_pod_types` AS `x` ON `x`.`name` = '{$pod}'
            LEFT JOIN `@wp_pod` AS `p` ON `p`.`datatype` = `x`.`id` AND `p`.`tbl_row_id` = `t`.`id`
            SET `t`.`created` = `p`.`created`, `t`.`modified` = `p`.`modified`
            WHERE `x`.`id` IS NOT NULL AND `p`.`id` IS NOT NULL
        ";

		pods_query( $sql );

		// Copy name data from the old index table into the new individual table (if name empty in indiv table)
		$sql = "
            UPDATE `@wp_pods_{$pod}` AS `t`
            LEFT JOIN `@wp_pod_types` AS `x` ON `x`.`name` = '{$pod}'
            LEFT JOIN `@wp_pod` AS `p` ON `p`.`datatype` = `x`.`id` AND `p`.`tbl_row_id` = `t`.`id`
            SET `t`.`name` = `p`.`name`
            WHERE ( `t`.`name` IS NULL OR `t`.`name` = '' ) AND `x`.`id` IS NOT NULL AND `p`.`id` IS NOT NULL
        ";

		pods_query( $sql );

		$this->update_progress( __FUNCTION__, true, $pod );

		return '1';
	}

	/**
	 * @return string
	 */
	public function migrate_cleanup() {
		update_option( 'pods_framework_upgraded_1_x', 1 );

		PodsInit::$components->activate_component( 'templates' );
		PodsInit::$components->activate_component( 'pages' );
		PodsInit::$components->activate_component( 'helpers' );

		$this->api->cache_flush_pods();

		return '1';
	}

	/**
	 *
	 */
	public function restart() {
		/**
		 * @var $wpdb WPDB
		 */
		global $wpdb;

		foreach ( $this->tables as $table ) {
			if ( false !== strpos( $table, "{$wpdb->prefix}pods" ) ) {
				pods_query( "TRUNCATE `{$table}`", false );
			}
		}

		delete_option( 'pods_framework_upgrade_2_0' );
		delete_option( 'pods_framework_upgrade_2_0_sister_ids' );
		delete_option( 'pods_framework_upgraded_1_x' );
	}

	/**
	 *
	 */
	public function cleanup() {
		/**
		 * @var $wpdb WPDB
		 */
		global $wpdb;

		foreach ( $this->tables as $table ) {
			if ( false !== strpos( $table, "{$wpdb->prefix}pod_" ) || "{$wpdb->prefix}pod" === $table ) {
				pods_query( "DROP TABLE `{$table}`", false );
			}
		}

		delete_option( 'pods_roles' );
		delete_option( 'pods_version' );
		delete_option( 'pods_framework_upgrade_2_0' );
		delete_option( 'pods_framework_upgrade_2_0_sister_ids' );
		delete_option( 'pods_framework_upgraded_1_x' );

		delete_option( 'pods_disable_file_browser' );
		delete_option( 'pods_files_require_login' );
		delete_option( 'pods_files_require_login_cap' );
		delete_option( 'pods_disable_file_upload' );
		delete_option( 'pods_upload_require_login' );
		delete_option( 'pods_upload_require_login_cap' );

		pods_query( "DELETE FROM `@wp_postmeta` WHERE `meta_key` LIKE '_pods_1x_%'" );
	}
}