102 lines
3.8 KiB
PHP
102 lines
3.8 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Belevo\EnelixEMS;
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use InvalidArgumentException;
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require_once __DIR__.'/NetzfahrplanV4Rueckmeldung.php';
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/**
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* Binds values to explicitly successful device reads.
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*
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* Transport calls, object metadata and the clock are injected so the complete
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* coordination can be tested without IP-Symcon or real devices.
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*/
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final class NetzfahrplanV4Geraeteabruf
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{
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public const MBUS_DEVICE = '{B53BE2E5-892D-4537-94AC-EAC68A469188}';
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public const MODBUS_DEVICE = '{90BF9234-B44C-7EB3-280B-FBD6075ADDAA}';
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public const MODBUS_ADDRESS = '{CB197E50-273D-4535-8C91-BB35273E3CA5}';
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public static function snapshot(
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array $config,
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callable $moduleId,
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callable $refresh,
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callable $reader,
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callable $clock
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): array {
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$config = NetzfahrplanV4Rueckmeldung::configuration($config);
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$groups = [];
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$sourcesById = [];
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foreach ($config['sources'] as $source) {
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$sourcesById[$source['variableId']] = $source;
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if (in_array($source['role'], ['grid', 'physical'], true)) {
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$groups[$source['parentId']][] = $source;
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}
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}
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$snapshot = [];
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foreach ($groups as $parentId => $sources) {
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$module = $moduleId($parentId);
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if (!in_array($module, [self::MBUS_DEVICE, self::MODBUS_DEVICE, self::MODBUS_ADDRESS], true)) {
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throw new InvalidArgumentException('feedback_refresh_module_unsupported:' . $sources[0]['key']);
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}
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if ($refresh($parentId, $module) !== true) {
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throw new InvalidArgumentException('feedback_device_read_failed:' . $sources[0]['key']);
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}
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$confirmedAt = $clock();
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if (!is_int($confirmedAt) || $confirmedAt < 1) {
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throw new InvalidArgumentException('feedback_confirmation_time_invalid');
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}
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foreach ($sources as $source) {
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$record = $reader($source['variableId']);
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if (!is_array($record)) {
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throw new InvalidArgumentException('feedback_reader_invalid:' . $source['key']);
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}
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$record['confirmedAt'] = $confirmedAt;
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$record['confirmedModuleId'] = $module;
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$snapshot[$source['variableId']] = $record;
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}
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}
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foreach ($config['sources'] as $source) {
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if (!isset($snapshot[$source['variableId']])) {
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$record = $reader($source['variableId']);
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if (!is_array($record)) {
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throw new InvalidArgumentException('feedback_reader_invalid:' . $source['key']);
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}
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$snapshot[$source['variableId']] = $record;
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}
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}
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foreach ($snapshot as $variableId => $record) {
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$again = $reader($variableId);
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$keys = ['value', 'updated', 'changed', 'parentID', 'ident'];
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if (!is_array($again) || array_intersect_key($again, array_flip($keys))
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!== array_intersect_key($record, array_flip($keys))) {
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throw new InvalidArgumentException(
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'feedback_changed_after_confirmed_read:' . $sourcesById[$variableId]['key']
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);
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}
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}
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$checkedAt = $clock();
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if (!is_int($checkedAt) || $checkedAt < 1) {
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throw new InvalidArgumentException('feedback_confirmation_time_invalid');
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}
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foreach ($snapshot as $record) {
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if (isset($record['confirmedAt']) && $record['confirmedAt'] > $checkedAt) {
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throw new InvalidArgumentException('feedback_confirmation_time_invalid');
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}
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}
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return NetzfahrplanV4Rueckmeldung::read(
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$config,
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static fn(int $variableId): array => $snapshot[$variableId],
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$checkedAt
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);
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}
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}
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