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<?php |
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|
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namespace FluentCart\Database\Migrations; |
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|
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class OrderTaxRateMigrator extends Migrator |
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{ |
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|
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public static string $tableName = 'fct_order_tax_rate'; |
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|
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public static function getSqlSchema(): string |
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{ |
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return "`id` BIGINT(20) UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT, |
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`order_id` BIGINT(20) UNSIGNED NOT NULL, |
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`tax_rate_id` BIGINT(20) NOT NULL, |
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`shipping_tax` BIGINT NULL, |
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`order_tax` BIGINT NULL, |
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`total_tax` BIGINT NULL, |
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`meta` json DEFAULT NULL, |
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`filed_at` DATETIME NULL, |
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`created_at` DATETIME NULL, |
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`updated_at` DATETIME NULL"; |
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} |
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|
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public static function migrated() |
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{ |
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static::addMetaColumn(); |
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static::addFiledAtColumn(); |
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static::allowVirtualTaxRateIds(); |
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static::deduplicateOrderTaxRates(); |
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static::addOrderTaxRateUniqueIndex(); |
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} |
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|
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public static function allowVirtualTaxRateIds() |
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{ |
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// EU VAT registration rates are virtual and use negative IDs. Keep zero |
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// reserved for the no-tax sentinel while allowing those rows to persist. |
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static::modifyColumnIfExists('tax_rate_id', 'BIGINT(20) NOT NULL'); |
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} |
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|
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public static function deduplicateOrderTaxRates() |
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{ |
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// Keep only the latest row per (order_id, tax_rate_id) before adding the unique |
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// index — duplicate keys from the old write path would cause ALTER TABLE to fail. |
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// |
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// "Latest" = highest id. Duplicates existed because the original prepareOtherData() |
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// path did INSERT without a uniqueness guard; the last write was always authoritative |
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// (it overwrote the in-memory tax_data), so keeping the highest id is correct. |
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// Any rows deleted here were already superseded by a later write in the same order. |
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global $wpdb; |
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$table = $wpdb->prefix . static::$tableName; |
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// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
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$wpdb->query(" |
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DELETE t1 FROM `{$table}` t1 |
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INNER JOIN `{$table}` t2 |
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ON t1.order_id = t2.order_id |
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AND t1.tax_rate_id = t2.tax_rate_id |
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AND t1.id < t2.id |
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"); |
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} |
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|
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public static function addOrderTaxRateUniqueIndex() |
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{ |
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static::addIndexIfNotExists('uniq_order_tax_rate', ['order_id', 'tax_rate_id'], true); |
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} |
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|
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public static function addMetaColumn() |
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{ |
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// "ALTER TABLE %i ADD COLUMN `meta` JSON" |
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static::addColumnIfNotExists('meta', 'JSON'); |
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} |
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|
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public static function addFiledAtColumn() |
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{ |
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// "ALTER TABLE %i ADD COLUMN `filed_at` DATETIME NULL AFTER `meta`" |
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static::addColumnIfNotExists('filed_at', 'DATETIME NULL', 'meta'); |
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} |
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} |
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