1e5999e663
Piece 1 — Backfill migration 0004: copies PSA psa_molecular_formula/weight/aliases
into PR Core _pr_* meta. Idempotent + re-runnable. PubChem REST fallback for 4
posts missing PSA data (MAX_RETRIES=3, exp backoff). All PSA values UNTRUSTED.
PR_CORE_TARGET_SCHEMA_VERSION bumped 3 -> 4.
Piece 2 — Drug node enrichment + stable @id = {permalink}#drug (ratified contract).
Reads _pr_* schema-input meta. molecularWeight in g/mol. Empty-prop guard throughout.
Piece 3 — Yoast-integrated emission via wpseo_schema_graph_pieces (priority 11),
wpseo_schema_webpage_type (MedicalWebPage retype), wpseo_schema_graph (enrichment).
Standalone @graph fallback retained. No duplicate WebPage/BreadcrumbList.
FAQPage emitted only when _pr_faq_items populated.
Supporting: PR_Core_Schema_Sanitizers, PR_Core_Pubchem_Client, CONTEXT.md,
ARCHITECTURE.md, CONVENTIONS.md, CHANGELOG.md, uninstall.php purge.
Tests: test-migration-0004.php (20 assertions), test-jsonld.php (29 assertions).
Agent-Session: peptide-schema-backfill v0.6.0
99 lines
2.7 KiB
PHP
99 lines
2.7 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* Schema migration runner.
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*
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* What: Compares current schema version against target, runs pending migrations.
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* Who calls it: PR_Core::init() on every plugins_loaded, PR_Core_Activator on activation.
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* Dependencies: WordPress $wpdb, dbDelta().
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*
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* Migrations are numbered sequentially (0001, 0002, ...). Each migration class
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* must implement up() and optionally down(). All migrations are idempotent.
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*
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* @see peptide-repo-core.php — Defines PR_CORE_TARGET_SCHEMA_VERSION.
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* @see CONVENTIONS.md — "How To: Add a New Migration".
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*/
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class PR_Core_Migration_Runner {
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/** @var string Option key storing current schema version. */
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private const VERSION_OPTION = 'pr_core_schema_version';
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/**
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* Ordered list of migration classes.
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* Index 0 = migration 1 (bumps schema to version 1).
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*
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* @var string[]
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*/
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private const MIGRATIONS = [
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'PR_Core_Migration_0001_Dosing_Rows',
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'PR_Core_Migration_0002_Legal_Cells',
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'PR_Core_Migration_0003_Candidate_Queue',
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'PR_Core_Migration_0004_Backfill_Peptide_Meta',
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];
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/**
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* Run all pending migrations up to PR_CORE_TARGET_SCHEMA_VERSION.
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*
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* Side effects: creates/alters database tables, updates schema version option.
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*
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* @return void
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*/
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public function run_pending(): void {
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$current = (int) get_option( self::VERSION_OPTION, 0 );
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$target = PR_CORE_TARGET_SCHEMA_VERSION;
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if ( $current >= $target ) {
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return;
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}
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require_once ABSPATH . 'wp-admin/includes/upgrade.php';
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for ( $i = $current; $i < $target; $i++ ) {
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if ( ! isset( self::MIGRATIONS[ $i ] ) ) {
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break;
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}
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$class = self::MIGRATIONS[ $i ];
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if ( ! class_exists( $class ) ) {
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// Migration file not autoloaded — load explicitly.
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$file = $this->class_to_file( $class );
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if ( file_exists( $file ) ) {
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require_once $file;
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}
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}
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if ( class_exists( $class ) ) {
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$migration = new $class();
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$migration->up();
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}
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update_option( self::VERSION_OPTION, $i + 1 );
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}
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}
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/**
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* Get current schema version.
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*
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* @return int
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*/
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public function get_current_version(): int {
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return (int) get_option( self::VERSION_OPTION, 0 );
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}
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/**
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* Convert migration class name to file path.
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*
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* PR_Core_Migration_0001_Dosing_Rows => migrations/class-pr-core-migration-0001-dosing-rows.php
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*
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* @param string $class Fully-qualified class name.
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* @return string Absolute file path.
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*/
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private function class_to_file( string $class ): string {
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$suffix = substr( $class, 8 ); // Strip 'PR_Core_'.
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$filename = 'class-pr-core-' . str_replace( '_', '-', strtolower( $suffix ) ) . '.php';
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return PR_CORE_PLUGIN_DIR . 'includes/migrations/' . $filename;
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}
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}
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