root
477 lines
17 KiB
PHP
477 lines
17 KiB
PHP
<?php
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namespace App\Database\Migrations;
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use CodeIgniter\Database\Migration;
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class PaymentsLogicAndDataRepairSupport extends Migration
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{
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public function up()
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{
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if (!$this->db->tableExists('payments')) {
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return;
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}
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$this->createPaymentBackupTable();
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$this->ensurePaymentAuditColumns();
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$this->repairPaymentSequences();
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$this->normalizePaymentsFromInvoices();
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$this->ensureRepairTables();
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$this->ensurePaymentIndexes();
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}
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public function down()
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{
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$this->dropIndexIfExists('payments', 'uniq_payments_invoice_sequence');
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$this->dropIndexIfExists('payments', 'uniq_payments_idempotency_key');
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$this->dropIndexIfExists('payments', 'idx_payments_reversal');
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foreach ([
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'payment_repair_decisions',
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'payment_repair_transition_review',
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'payment_repair_invoice_review',
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'payment_repair_analysis',
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'invoice_adjustments',
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'payments_backup_20260718',
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] as $table) {
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if ($this->db->tableExists($table)) {
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$this->forge->dropTable($table, true);
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}
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}
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foreach ([
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'idempotency_key',
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'is_void',
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'reversal_of_payment_id',
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'voided_at',
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'voided_by',
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'void_reason',
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] as $column) {
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if ($this->db->fieldExists($column, 'payments')) {
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$this->forge->dropColumn('payments', $column);
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}
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}
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}
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private function createPaymentBackupTable(): void
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{
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if ($this->db->tableExists('payments_backup_20260718')) {
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return;
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}
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$this->db->query('CREATE TABLE `payments_backup_20260718` AS SELECT * FROM `payments`');
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}
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private function ensurePaymentAuditColumns(): void
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{
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$columns = [];
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if (!$this->db->fieldExists('idempotency_key', 'payments')) {
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$columns['idempotency_key'] = [
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'type' => 'VARCHAR',
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'constraint' => 100,
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'null' => true,
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'after' => 'transaction_id',
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];
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} else {
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$this->forge->modifyColumn('payments', [
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'idempotency_key' => [
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'type' => 'VARCHAR',
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'constraint' => 100,
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'null' => true,
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],
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]);
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}
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if (!$this->db->fieldExists('request_fingerprint_hash', 'payments')) {
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$columns['request_fingerprint_hash'] = [
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'type' => 'CHAR',
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'constraint' => 64,
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'null' => true,
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'after' => 'idempotency_key',
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];
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}
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if (!$this->db->fieldExists('is_void', 'payments')) {
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$columns['is_void'] = [
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'type' => 'TINYINT',
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'constraint' => 1,
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'default' => 0,
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'null' => false,
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'after' => 'status',
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];
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}
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if (!$this->db->fieldExists('evidence_status', 'payments')) {
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$columns['evidence_status'] = [
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'type' => 'VARCHAR',
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'constraint' => 30,
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'null' => true,
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'after' => 'check_file',
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];
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}
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if (!$this->db->fieldExists('evidence_failure_message', 'payments')) {
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$columns['evidence_failure_message'] = [
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'type' => 'VARCHAR',
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'constraint' => 255,
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'null' => true,
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'after' => 'evidence_status',
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];
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}
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if (!$this->db->fieldExists('reversal_of_payment_id', 'payments')) {
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$columns['reversal_of_payment_id'] = [
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'type' => 'INT',
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'constraint' => 10,
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'unsigned' => true,
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'null' => true,
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'after' => 'is_void',
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];
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}
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if (!$this->db->fieldExists('voided_at', 'payments')) {
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$columns['voided_at'] = [
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'type' => 'DATETIME',
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'null' => true,
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'after' => 'reversal_of_payment_id',
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];
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}
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if (!$this->db->fieldExists('voided_by', 'payments')) {
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$columns['voided_by'] = [
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'type' => 'INT',
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'constraint' => 10,
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'unsigned' => true,
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'null' => true,
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'after' => 'voided_at',
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];
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}
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if (!$this->db->fieldExists('void_reason', 'payments')) {
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$columns['void_reason'] = [
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'type' => 'VARCHAR',
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'constraint' => 255,
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'null' => true,
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'after' => 'voided_by',
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];
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}
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if ($columns !== []) {
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$this->forge->addColumn('payments', $columns);
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}
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}
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private function repairPaymentSequences(): void
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{
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if (!$this->db->fieldExists('installment_seq', 'payments')) {
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$this->forge->addColumn('payments', [
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'installment_seq' => [
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'type' => 'INT',
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'constraint' => 11,
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'null' => true,
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'after' => 'number_of_installments',
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],
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]);
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}
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$rows = $this->db->table('payments')
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->select('id, invoice_id, installment_seq')
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->orderBy('invoice_id', 'ASC')
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->orderBy('payment_date', 'ASC')
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->orderBy('id', 'ASC')
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->get()
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->getResultArray();
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$sequenceByInvoice = [];
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foreach ($rows as $row) {
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$invoiceId = (int) ($row['invoice_id'] ?? 0);
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$sequenceByInvoice[$invoiceId] = ($sequenceByInvoice[$invoiceId] ?? 0) + 1;
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$expectedSeq = $sequenceByInvoice[$invoiceId];
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if ((int) ($row['installment_seq'] ?? 0) === $expectedSeq) {
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continue;
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}
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$this->db->table('payments')
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->where('id', (int) $row['id'])
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->update(['installment_seq' => $expectedSeq]);
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}
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if ($this->db->fieldExists('number_of_installments', 'payments')) {
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$this->db->query(
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"UPDATE `payments` p
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JOIN (
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SELECT invoice_id, COUNT(*) AS installment_count
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FROM `payments`
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WHERE LOWER(COALESCE(status, '')) NOT IN (
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'void', 'voided', 'refunded', 'failed', 'chargeback',
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'declined', 'reversed', 'canceled', 'cancelled'
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)
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GROUP BY invoice_id
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) c ON c.invoice_id = p.invoice_id
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SET p.`number_of_installments` = c.installment_count"
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);
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}
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}
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private function normalizePaymentsFromInvoices(): void
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{
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if (!$this->db->tableExists('invoices')) {
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return;
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}
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$this->db->query(
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'UPDATE `payments` p
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JOIN `invoices` i ON i.`id` = p.`invoice_id`
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SET p.`parent_id` = i.`parent_id`,
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p.`school_year` = i.`school_year`
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WHERE p.`parent_id` <> i.`parent_id`
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OR NOT (p.`school_year` <=> i.`school_year`)'
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);
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}
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private function ensureRepairTables(): void
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{
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foreach ([
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'payment_repair_transition_review',
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'payment_repair_invoice_review',
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'payment_repair_analysis',
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] as $view) {
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$this->db->query(sprintf('DROP VIEW IF EXISTS `%s`', $view));
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}
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$this->db->query(
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"CREATE TABLE IF NOT EXISTS `invoice_adjustments` (
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`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
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`invoice_id` INT UNSIGNED NOT NULL,
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`adjustment_type` ENUM('charge','discount','waiver','credit','reversal','correction') NOT NULL,
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`amount` DECIMAL(10,2) NOT NULL,
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`description` VARCHAR(255) NOT NULL,
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`source_reference` VARCHAR(100) DEFAULT NULL,
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`school_year` VARCHAR(9) NOT NULL,
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`created_by` INT UNSIGNED DEFAULT NULL,
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`created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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PRIMARY KEY (`id`),
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KEY `idx_invoice_adjustments_invoice` (`invoice_id`),
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UNIQUE KEY `uniq_invoice_adjustment_source` (`invoice_id`, `source_reference`)
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) ENGINE=InnoDB"
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);
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$this->db->query(
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"CREATE TABLE IF NOT EXISTS `payment_repair_decisions` (
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`payment_id` INT UNSIGNED NOT NULL,
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`invoice_id` INT UNSIGNED NOT NULL,
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`decision` ENUM(
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'balance_is_wrong',
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'missing_payment',
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'missing_credit',
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'missing_charge',
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'missing_reversal',
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'leave_unchanged'
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) NOT NULL,
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`correction_amount` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
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`evidence_reference` VARCHAR(255) NOT NULL,
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`approved_by` INT UNSIGNED NOT NULL,
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`approved_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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`notes` TEXT,
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PRIMARY KEY (`payment_id`)
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) ENGINE=InnoDB"
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);
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$this->db->query(
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"CREATE TABLE IF NOT EXISTS `payment_repair_analysis` (
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`payment_id` INT UNSIGNED NOT NULL,
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`invoice_id` INT UNSIGNED NOT NULL,
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`paid_amount` DECIMAL(10,2) NOT NULL,
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`balance` DECIMAL(10,2) DEFAULT NULL,
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`payment_date` DATETIME NOT NULL,
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`installment_seq` INT DEFAULT NULL,
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`expected_installment_seq` INT NOT NULL,
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`running_paid_total` DECIMAL(10,2) NOT NULL,
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PRIMARY KEY (`payment_id`),
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KEY `idx_payment_repair_analysis_invoice` (`invoice_id`)
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) ENGINE=InnoDB"
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);
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$this->db->query(
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"CREATE TABLE IF NOT EXISTS `payment_repair_invoice_review` (
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`invoice_id` INT UNSIGNED NOT NULL,
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`payment_count` INT NOT NULL,
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`ledger_paid_total` DECIMAL(10,2) NOT NULL,
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`sequence_matches` TINYINT(1) NOT NULL,
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PRIMARY KEY (`invoice_id`)
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) ENGINE=InnoDB"
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);
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$this->db->query(
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"CREATE TABLE IF NOT EXISTS `payment_repair_transition_review` (
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`payment_id` INT UNSIGNED NOT NULL,
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`invoice_id` INT UNSIGNED NOT NULL,
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`balance` DECIMAL(10,2) DEFAULT NULL,
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`previous_balance` DECIMAL(10,2) DEFAULT NULL,
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`paid_amount` DECIMAL(10,2) NOT NULL,
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`expected_balance` DECIMAL(10,2) DEFAULT NULL,
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`unexplained_change` DECIMAL(10,2) DEFAULT NULL,
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PRIMARY KEY (`payment_id`),
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KEY `idx_payment_repair_transition_invoice` (`invoice_id`)
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) ENGINE=InnoDB"
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);
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$this->refreshRepairTables();
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}
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private function refreshRepairTables(): void
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{
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$this->db->table('payment_repair_transition_review')->truncate();
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$this->db->table('payment_repair_invoice_review')->truncate();
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$this->db->table('payment_repair_analysis')->truncate();
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$payments = $this->db->table('payments')
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->select('id, invoice_id, paid_amount, balance, payment_date, installment_seq')
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->orderBy('invoice_id', 'ASC')
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->orderBy('payment_date', 'ASC')
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->orderBy('id', 'ASC')
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->get()
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->getResultArray();
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$sequenceByInvoice = [];
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$runningByInvoice = [];
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$invoiceReview = [];
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$previousByInvoice = [];
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foreach ($payments as $payment) {
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$invoiceId = (int) ($payment['invoice_id'] ?? 0);
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$paidAmount = round((float) ($payment['paid_amount'] ?? 0), 2);
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$balance = array_key_exists('balance', $payment) && $payment['balance'] !== null
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? round((float) $payment['balance'], 2)
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: null;
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$sequenceByInvoice[$invoiceId] = ($sequenceByInvoice[$invoiceId] ?? 0) + 1;
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$runningByInvoice[$invoiceId] = round(($runningByInvoice[$invoiceId] ?? 0.0) + $paidAmount, 2);
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$expectedSeq = $sequenceByInvoice[$invoiceId];
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$actualSeq = $payment['installment_seq'] !== null ? (int) $payment['installment_seq'] : null;
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$this->db->table('payment_repair_analysis')->insert([
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'payment_id' => (int) $payment['id'],
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'invoice_id' => $invoiceId,
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'paid_amount' => $paidAmount,
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'balance' => $balance,
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'payment_date' => $payment['payment_date'],
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'installment_seq' => $actualSeq,
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'expected_installment_seq' => $expectedSeq,
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'running_paid_total' => $runningByInvoice[$invoiceId],
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]);
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if (!isset($invoiceReview[$invoiceId])) {
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$invoiceReview[$invoiceId] = [
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'payment_count' => 0,
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'ledger_paid_total' => 0.0,
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'sequence_matches' => 1,
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];
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}
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$invoiceReview[$invoiceId]['payment_count']++;
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$invoiceReview[$invoiceId]['ledger_paid_total'] = round($invoiceReview[$invoiceId]['ledger_paid_total'] + $paidAmount, 2);
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if ($actualSeq !== $expectedSeq) {
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$invoiceReview[$invoiceId]['sequence_matches'] = 0;
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}
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if (isset($previousByInvoice[$invoiceId])) {
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$previous = $previousByInvoice[$invoiceId];
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$expectedBalance = $previous['balance'] !== null
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? round($previous['balance'] - $paidAmount, 2)
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: null;
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$unexplainedChange = ($balance !== null && $expectedBalance !== null)
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? round($balance - $expectedBalance, 2)
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: null;
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if ($unexplainedChange !== null && abs($unexplainedChange) > 0.01) {
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$this->db->table('payment_repair_transition_review')->insert([
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'payment_id' => (int) $payment['id'],
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'invoice_id' => $invoiceId,
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'balance' => $balance,
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'previous_balance' => $previous['balance'],
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'paid_amount' => $paidAmount,
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'expected_balance' => $expectedBalance,
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'unexplained_change' => $unexplainedChange,
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]);
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}
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}
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$previousByInvoice[$invoiceId] = [
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'balance' => $balance,
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];
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}
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foreach ($invoiceReview as $invoiceId => $review) {
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$this->db->table('payment_repair_invoice_review')->insert([
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'invoice_id' => $invoiceId,
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'payment_count' => $review['payment_count'],
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'ledger_paid_total' => $review['ledger_paid_total'],
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'sequence_matches' => $review['sequence_matches'],
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]);
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}
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}
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private function ensurePaymentIndexes(): void
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{
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$this->addIndexIfMissing('payments', 'idx_payments_reversal', ['reversal_of_payment_id']);
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$this->addIndexIfMissing('payments', 'uniq_payments_idempotency_key', ['idempotency_key'], true);
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if (!$this->hasDuplicatePaymentSequences()) {
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$this->addIndexIfMissing('payments', 'uniq_payments_invoice_sequence', ['invoice_id', 'installment_seq'], true);
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}
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}
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private function hasDuplicatePaymentSequences(): bool
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{
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$row = $this->db->table('payments')
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->select('invoice_id, installment_seq')
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->where('installment_seq IS NOT NULL', null, false)
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->groupBy('invoice_id, installment_seq')
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->having('COUNT(*) >', 1, false)
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->get(1)
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->getRowArray();
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return $row !== null;
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}
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private function addIndexIfMissing(string $table, string $indexName, array $columns, bool $unique = false): void
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{
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if (!$this->db->tableExists($table) || $this->indexExists($table, $indexName)) {
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return;
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}
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$quotedColumns = implode(', ', array_map(static fn (string $column): string => '`' . $column . '`', $columns));
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$type = $unique ? 'UNIQUE INDEX' : 'INDEX';
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$this->db->query(sprintf('ALTER TABLE `%s` ADD %s `%s` (%s)', $table, $type, $indexName, $quotedColumns));
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}
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private function dropIndexIfExists(string $table, string $indexName): void
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{
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if (!$this->db->tableExists($table) || !$this->indexExists($table, $indexName)) {
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return;
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}
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$this->db->query(sprintf('ALTER TABLE `%s` DROP INDEX `%s`', $table, $indexName));
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}
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private function indexExists(string $table, string $indexName): bool
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{
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if (!$this->db->tableExists($table)) {
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return false;
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}
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$rows = $this->db->query(sprintf('SHOW INDEX FROM `%s`', $table))->getResultArray();
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foreach ($rows as $row) {
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if (($row['Key_name'] ?? null) === $indexName) {
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return true;
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}
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}
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return false;
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}
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}
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