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<?php

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/**

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* Functions for Theme Migrations

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* @package PUM

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/**

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* Checks if passive migration for popups should be enabled.

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* This determines if the query load may be potentially too high to run passive migrations on live servers.

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* @return bool

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function pum_passive_theme_upgrades_enabled() {

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/** @var int $theme_count */

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static $theme_count;

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if ( defined( 'PUM_DISABLE_PASSIVE_UPGRADES' ) && PUM_DISABLE_PASSIVE_UPGRADES ) {

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return false;

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}

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if ( ! $theme_count ) {

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$theme_count = get_transient( 'pum_theme_count' );

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if ( false === $theme_count ) {

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$theme_count = pum_count_themes(

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[

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'post_status' => [ 'publish', 'pending', 'draft', 'auto-draft', 'future', 'private', 'inherit', 'trash' ],

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]

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);

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set_transient( 'pum_theme_count', $theme_count, MINUTE_IN_SECONDS );

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}

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}

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return pum_is_popup_theme_editor() || $theme_count <= apply_filters( 'pum_passive_themes_enabled_max_count', 10 );

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}

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/**

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* Upgrade popup data to model v2.

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* @since 1.8.0

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* @param PUM_Model_Theme $theme

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function pum_theme_migration_1( &$theme ) {

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$delete_meta = [ 'popup_theme_defaults_set' ];

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// Used to merge with existing values to ensure data integrity.

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$meta_defaults = pum_get_theme_v2_meta_defaults();

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foreach ( array_keys( $meta_defaults ) as $group ) {

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// Get old data.

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$v1_meta_values = pum_get_theme_v1_meta( $group, $theme->ID );

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// Loop over all fields which were merged and mark their meta keys for deletion.

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foreach ( $v1_meta_values as $old_meta_key => $old_meta_value ) {

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$delete_meta[] = "popup_theme_{$group}_{$old_meta_key}";

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}

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$existing_v2_meta = $theme->get_meta( "popup_theme_{$group}" );

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if ( ! empty( $existing_v2_meta ) ) {

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continue;

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}

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// Merge defaults.

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$values = wp_parse_args( $v1_meta_values, $meta_defaults[ $group ] );

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// Update meta storage.

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$theme->update_meta( "popup_theme_{$group}", $values );

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}

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/**

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* Clean up automatically.

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pum_cleanup_post_meta_keys( $theme->ID, $delete_meta );

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}

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add_action( 'pum_theme_passive_migration_1', 'pum_theme_migration_1' );

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/**

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* Upgrade popup data to model v3.

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* @since 1.8.0

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* @param PUM_Model_Theme $theme

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function pum_theme_migration_2( &$theme ) {

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$changed = false;

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$delete_meta = [];

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$settings = $theme->get_settings();

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$old_meta_elements = [

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'overlay',

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'container',

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'title',

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'content',

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'close',

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];

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foreach ( $old_meta_elements as $element ) {

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$meta_key = 'popup_theme_' . $element;

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/**

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* Migrate popup_theme_overlay meta data.

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$element_data = $theme->get_meta( $meta_key );

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if ( ! empty( $element_data ) && is_array( $element_data ) ) {

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$keys = $theme->remapped_meta_settings_keys( $element );

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// Foreach old key, save the value under popup settings for the new key.

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foreach ( $keys as $old_key => $new_key ) {

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if ( isset( $element_data[ $old_key ] ) ) {

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$settings[ $new_key ] = $element_data[ $old_key ];

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$changed = true;

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unset( $element_data[ $old_key ] );

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}

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}

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if ( empty( $element_data ) ) {

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$delete_meta[] = $meta_key;

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} else {

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// Update the saved popup display data with any remaining keys from extensions.

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$theme->update_meta( $meta_key, $element_data );

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}

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}

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}

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/**

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* Save only if something changed.

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if ( $changed ) {

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$theme->update_meta( 'popup_theme_settings', $settings );

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}

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/**

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* Clean up automatically.

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pum_cleanup_post_meta_keys( $theme->ID, $delete_meta );

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}

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add_action( 'pum_theme_passive_migration_2', 'pum_theme_migration_2' );

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