191 lines
11 KiB
PHP
191 lines
11 KiB
PHP
<?php
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namespace App\Services;
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use App\Jobs\RunSimulation;
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use App\Models\Simulation;
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use App\Support\IsolatedQaDatabase;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Str;
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use Symfony\Component\HttpKernel\Exception\HttpException;
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final class SimulationExecution
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{
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/**
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* @param array{base: int|float|string, rate: int|float|string, reduction: int|float|string, organization_id?: string|null} $data
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* @return array{simulation: Simulation, token: string|null, replayed: bool}
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*/
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public function create(array $data, ?int $actorId, ?string $organizationId, ?string $token, string $key): array
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{
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$payload = ['base' => (string) $data['base'], 'rate' => (string) $data['rate'], 'reduction' => (string) $data['reduction'], 'scenario_kind' => 'custom_planning', 'organization_id' => $organizationId];
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return $this->createPayload($payload, $actorId, $organizationId, $token, $key);
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}
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/**
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* @param array<array-key, mixed> $snapshot
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* @return array{simulation: Simulation, token: string|null, replayed: bool}
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*/
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public function createFiscalQaPreview(array $snapshot, int $actorId, string $key): array
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{
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abort_unless(IsolatedQaDatabase::allowsSchemaChanges(), 404);
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abort_unless(($snapshot['scenario_kind'] ?? null) === 'fiscal_rule_qa_preview'
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&& in_array($snapshot['result']['status'] ?? null, ['calculated', 'indeterminate'], true)
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&& ($snapshot['presentation']['rounding_applied'] ?? null) === false, 422);
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return $this->createPayload(['scenario_kind' => 'fiscal_rule_qa_preview', 'fiscal_preview' => $snapshot, 'organization_id' => null],
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$actorId, null, null, $key);
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}
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/**
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* @param array<array-key, mixed> $input
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* @return array{simulation: Simulation, token: string|null, replayed: bool}
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*/
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public function createPublishedFiscal(array $input, ?int $actorId, ?string $organizationId, ?string $token, string $key): array
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{
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$payload = ['scenario_kind' => 'fiscal_rule_published', 'fiscal_input' => $input, 'organization_id' => $organizationId];
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return $this->createPayload($payload, $actorId, $organizationId, $token, $key,
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fn (): array => app(SimulationPublishedFiscal::class)->admit($input));
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}
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/**
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* @param array<array-key, mixed> $payload
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* @return array{simulation: Simulation, token: string|null, replayed: bool}
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*/
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private function createPayload(array $payload, ?int $actorId, ?string $organizationId, ?string $token, string $key, ?callable $admit = null): array
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{
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$tokenHash = $actorId === null ? hash_hmac('sha256', (string) $token, (string) config('app.key')) : null;
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$scopeHash = hash('sha256', $actorId !== null ? (string) $actorId : ($tokenHash ?? 'anonymous'));
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$keyHash = hash('sha256', strtolower($key));
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ksort($payload);
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$payloadHash = hash('sha256', json_encode($payload, JSON_THROW_ON_ERROR));
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return DB::transaction(function () use ($actorId, $organizationId, $token, $tokenHash, $scopeHash, $keyHash, $payloadHash, $payload, $admit): array {
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$this->setContext($actorId, $tokenHash);
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DB::select('select pg_advisory_xact_lock(261001, hashtext(?))', [$scopeHash.$keyHash]);
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$receipt = DB::table('simulation_idempotency')->where('scope_hash', $scopeHash)->where('key_hash', $keyHash)->first();
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if ($receipt) {
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if (! hash_equals($receipt->payload_hash, $payloadHash)) {
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throw new HttpException(409, 'Idempotency-Key já foi utilizada com outros parâmetros.');
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}
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return ['simulation' => Simulation::with(['scenarios', 'reports'])->whereKey((string) $receipt->simulation_id)->firstOrFail(), 'token' => null, 'replayed' => true];
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}
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if ($admit !== null) {
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$payload['fiscal_preview'] = $admit();
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}
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$plainToken = $actorId === null ? $token : null;
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$tokenHash = $actorId === null ? hash_hmac('sha256', $plainToken, (string) config('app.key')) : null;
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$this->setContext($actorId, $tokenHash);
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$id = (string) Str::uuid();
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$simulation = Simulation::create([
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'id' => $id, 'questionnaire_version_id' => '61000100-0000-4000-8000-000000000001', 'owner_user_id' => $actorId, 'organization_id' => $organizationId,
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'anonymous_token_hash' => $tokenHash, 'status' => 'queued', 'version_no' => 1,
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'input_snapshot' => $payload, 'calculation_snapshot' => in_array($payload['scenario_kind'], ['fiscal_rule_qa_preview', 'fiscal_rule_published'], true)
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? ['engine' => $payload['fiscal_preview']['context']['engine_version'], 'mode' => $payload['fiscal_preview']['fiscal_provenance']['mode'], 'arithmetic' => 'exact_decimal_no_rounding']
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: ['engine' => 'portal-arithmetic-v1', 'formula' => 'base * rate / 100 * (1 - reduction / 100)', 'legal_rate_source' => null],
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]);
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$scenarioId = (string) Str::uuid();
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DB::table('simulation_scenarios')->insert([
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'id' => $scenarioId, 'simulation_id' => $id, 'code' => 'baseline', 'label' => 'Cenário base', 'version_no' => 1,
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'parameters' => json_encode($payload, JSON_THROW_ON_ERROR), 'created_at' => now(), 'updated_at' => now(),
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]);
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$jobId = (string) Str::uuid();
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DB::table('simulation_jobs')->insert(['id' => $jobId, 'simulation_id' => $id, 'job_type' => 'execute', 'status' => 'pending', 'created_at' => now(), 'updated_at' => now()]);
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DB::table('simulation_idempotency')->insert([
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'scope_hash' => $scopeHash, 'key_hash' => $keyHash, 'payload_hash' => $payloadHash,
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'simulation_id' => $id, 'response_snapshot' => json_encode(['simulation_id' => $id], JSON_THROW_ON_ERROR), 'created_at' => now(),
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]);
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DB::table('simulation_audit_events')->insert([
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'simulation_id' => $id, 'actor_user_id' => $actorId, 'action' => 'simulation.created',
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'correlation_id' => $id, 'data' => json_encode(['status' => 'queued', 'scenario_count' => 1], JSON_THROW_ON_ERROR), 'occurred_at' => now(),
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]);
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$simulation->load(['scenarios', 'reports']);
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RunSimulation::dispatch($id, $actorId, $tokenHash)->afterCommit();
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return ['simulation' => $simulation, 'token' => $plainToken, 'replayed' => false];
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}, 3);
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}
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public function find(string $id, Request $request): Simulation
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{
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return DB::transaction(function () use ($id, $request): Simulation {
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$this->setContext($request->user()?->id, $this->tokenHash($request));
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return Simulation::with(['scenarios', 'reports'])->whereNull('deleted_at')->findOrFail($id);
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});
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}
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/** @param array{label: string, base: int|float|string, rate: int|float|string, reduction: int|float|string} $data */
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public function updateScenario(string $id, string $scenarioId, array $data, Request $request): Simulation
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{
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return DB::transaction(function () use ($id, $scenarioId, $data, $request): Simulation {
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$this->setContext($request->user()?->id, $this->tokenHash($request));
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$simulation = Simulation::whereNull('deleted_at')->lockForUpdate()->findOrFail($id);
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abort_if(in_array($simulation->input_snapshot['scenario_kind'] ?? null, ['fiscal_rule_qa_preview', 'fiscal_rule_published'], true), 422,
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'Crie uma nova pré-visualização fiscal; este snapshot conserva a regra e as entradas originais.');
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$this->requireMatch($request, $simulation);
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$scenario = DB::table('simulation_scenarios')->where('simulation_id', $id)->where('id', $scenarioId)->lockForUpdate()->first();
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abort_if($scenario === null, 404);
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$parameters = ['base' => (string) $data['base'], 'rate' => (string) $data['rate'], 'reduction' => (string) $data['reduction'], 'scenario_kind' => 'custom_planning'];
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DB::table('simulation_scenarios')->where('id', $scenarioId)->update([
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'label' => $data['label'], 'parameters' => json_encode($parameters, JSON_THROW_ON_ERROR), 'version_no' => $scenario->version_no + 1, 'updated_at' => now(),
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]);
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$simulation->update(['version_no' => $simulation->version_no + 1, 'status' => 'queued', 'input_snapshot' => $parameters, 'result_snapshot' => null, 'error_code' => null]);
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DB::table('simulation_jobs')->where('simulation_id', $id)->where('job_type', 'execute')->update([
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'status' => 'pending', 'attempts' => 0, 'available_at' => now(), 'started_at' => null, 'finished_at' => null, 'error_code' => null, 'updated_at' => now(),
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]);
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DB::table('simulation_audit_events')->insert([
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'simulation_id' => $id, 'actor_user_id' => $request->user()?->id, 'action' => 'scenario.updated', 'correlation_id' => $id,
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'data' => json_encode(['scenario_id' => $scenarioId, 'version_no' => $scenario->version_no + 1], JSON_THROW_ON_ERROR), 'occurred_at' => now(),
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]);
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RunSimulation::dispatch($id, $simulation->owner_user_id, $simulation->anonymous_token_hash)->afterCommit();
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return $simulation->refresh()->load(['scenarios', 'reports']);
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}, 3);
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}
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public function tokenHash(Request $request): ?string
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{
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$token = $request->header('X-Simulation-Token');
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return is_string($token) && $token !== '' ? hash_hmac('sha256', $token, (string) config('app.key')) : null;
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}
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public function setContext(?int $actorId, ?string $tokenHash): void
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{
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DB::select("select set_config('app.actor_user_id', ?, true), set_config('app.simulation_token_hash', ?, true)", [(string) ($actorId ?? ''), (string) ($tokenHash ?? '')]);
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}
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private function requireMatch(Request $request, Simulation $simulation): void
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{
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$provided = $request->header('If-Match');
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if (! $provided) {
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throw new HttpException(428, 'If-Match é obrigatório.');
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}
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if (! hash_equals($this->etag($simulation), trim($provided))) {
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throw new HttpException(412, 'A simulação foi alterada desde a última leitura.');
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}
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}
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public function etag(Simulation $simulation): string
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{
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return '"sim-'.$simulation->id.'-v'.$simulation->version_no.'"';
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}
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public function authorizeOrganization(?int $actorId, ?string $organizationId): void
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{
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if ($organizationId === null) {
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return;
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}
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abort_unless($actorId !== null && DB::table('memberships')->where('user_id', $actorId)->where('organization_id', $organizationId)
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->whereNull('deleted_at')->whereIn('role', ['admin', 'manager', 'officer'])->exists(), 403);
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}
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}
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