136 lines
4.2 KiB
PHP
136 lines
4.2 KiB
PHP
<?php
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namespace Modules\ApprovalWorkflow\Services;
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use App\Models\User;
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use Illuminate\Database\Eloquent\Model;
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use Modules\ApprovalWorkflow\Enums\ApprovalChainStatus;
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use Modules\ApprovalWorkflow\Enums\ApprovalStepStatus;
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use Modules\ApprovalWorkflow\Events\ApprovalCompleted;
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use Modules\ApprovalWorkflow\Events\ApprovalRequired;
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use Modules\ApprovalWorkflow\Events\StepApproved;
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use Modules\ApprovalWorkflow\Events\StepRejected;
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use Modules\ApprovalWorkflow\Models\ApprovalChain;
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use Modules\ApprovalWorkflow\Models\ApprovalStep;
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class ApprovalService
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{
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/**
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* Create a new approval chain for any morphable model.
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*
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* @param array<int, int> $approverIds — ordered list of user IDs
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*/
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public function createChain(
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Model $approvable,
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array $approverIds,
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string $type = 'general',
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?int $initiatedBy = null,
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?string $notes = null,
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): ApprovalChain {
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$chain = ApprovalChain::create([
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'approvable_type' => $approvable->getMorphClass(),
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'approvable_id' => $approvable->getKey(),
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'type' => $type,
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'status' => ApprovalChainStatus::Pending,
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'initiated_by' => $initiatedBy,
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'notes' => $notes,
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]);
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foreach ($approverIds as $order => $userId) {
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ApprovalStep::create([
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'approval_chain_id' => $chain->id,
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'approver_id' => $userId,
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'order' => $order,
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'status' => ApprovalStepStatus::Pending,
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]);
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}
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// Auto-transition to InReview and notify first approver
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$chain->transitionTo(ApprovalChainStatus::InReview);
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$firstStep = $chain->currentStep();
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if ($firstStep) {
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ApprovalRequired::dispatch($chain, $firstStep);
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}
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return $chain->load('steps.approver');
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}
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/**
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* Approve the current pending step.
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*/
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public function approve(ApprovalChain $chain, User $approver, ?string $notes = null): ApprovalChain
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{
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$step = $this->getCurrentStepForApprover($chain, $approver);
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$step->update([
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'status' => ApprovalStepStatus::Approved,
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'notes' => $notes,
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'acted_at' => now(),
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]);
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StepApproved::dispatch($chain, $step);
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// Check if all steps are approved
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if ($chain->isFullyApproved()) {
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$chain->transitionTo(ApprovalChainStatus::Approved);
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ApprovalCompleted::dispatch($chain);
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} else {
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// Notify next approver
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$nextStep = $chain->currentStep();
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if ($nextStep) {
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ApprovalRequired::dispatch($chain, $nextStep);
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}
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}
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return $chain->fresh('steps.approver');
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}
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/**
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* Reject the current pending step (rejects the entire chain).
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*/
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public function reject(ApprovalChain $chain, User $approver, ?string $notes = null): ApprovalChain
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{
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$step = $this->getCurrentStepForApprover($chain, $approver);
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$step->update([
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'status' => ApprovalStepStatus::Rejected,
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'notes' => $notes,
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'acted_at' => now(),
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]);
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// Skip remaining steps
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$chain->steps()
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->where('order', '>', $step->order)
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->where('status', 'pending')
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->update(['status' => ApprovalStepStatus::Skipped->value]);
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$chain->transitionTo(ApprovalChainStatus::Rejected);
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StepRejected::dispatch($chain, $step);
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ApprovalCompleted::dispatch($chain);
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return $chain->fresh('steps.approver');
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}
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public function getNextApprover(ApprovalChain $chain): ?User
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{
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$step = $chain->currentStep();
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return $step?->approver;
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}
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private function getCurrentStepForApprover(ApprovalChain $chain, User $approver): ApprovalStep
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{
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$step = $chain->currentStep();
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if (!$step) {
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throw new \InvalidArgumentException('No pending step found in this approval chain.');
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}
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if ($step->approver_id !== $approver->id) {
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throw new \InvalidArgumentException('You are not the current approver for this step.');
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}
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return $step;
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}
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}
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