Adiciona dotacoes e reservas orcamentais por empresa

app/Http/Controllers/BudgetController.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Enums\PurchasingRole;
+use App\Models\Budget;
+use App\Models\BudgetEntry;
+use App\Models\CostCenter;
+use App\Services\ConflictGuard;
+use App\Services\RequisitionWorkflow;
+use Brick\Math\BigDecimal;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Validation\Rule;
+use Inertia\Inertia;
+use Inertia\Response;
+
+class BudgetController extends Controller
+{
+    private function access(Request $request): void
+    {
+        abort_unless(in_array($request->user()->purchasing_role, [PurchasingRole::Admin, PurchasingRole::Finance]), 403);
+    }
+
+    public function index(Request $request): Response
+    {
+        $this->access($request);
+
+        return Inertia::render('budgets/index', ['centers' => CostCenter::query()->orderBy('code')->get(), 'budgets' => Budget::query()->latest('id')->get()->map(function (Budget $budget) {
+            $entries = BudgetEntry::query()->where('budget_id', $budget->id);
+            $reserved = (int) (clone $entries)->sum('reserved_minor');
+            $committed = (int) $entries->sum('committed_minor');
+
+            return [...$budget->toArray(), 'reserved_minor' => $reserved, 'committed_minor' => $committed, 'available_minor' => $budget->amount_minor - $reserved - $committed];
+        })]);
+    }
+
+    public function store(Request $request): RedirectResponse
+    {
+        $this->access($request);
+        $data = $request->validate(['cost_center_id' => ['required', 'integer', Rule::exists('cost_centers', 'id')->where('tenant_id', $request->user()->tenant_id)], 'year' => 'required|integer|min:2026|max:2100', 'includes_tax' => 'required|boolean', 'amount' => ['required', 'regex:/^\d{1,12}(\.\d{1,2})?$/'], 'reason' => 'required|string|max:4000']);
+        DB::transaction(function () use ($request, $data) {
+            app(ConflictGuard::class)->lockCompany($request->user());
+            abort_if(Budget::query()->where('cost_center_id', $data['cost_center_id'])->where('year', $data['year'])->exists(), 409, 'Já existe dotação para este centro e exercício.');
+            $budget = Budget::query()->create(['tenant_id' => $request->user()->tenant_id, 'created_by' => $request->user()->id, 'cost_center_id' => $data['cost_center_id'], 'year' => $data['year'], 'includes_tax' => $data['includes_tax'], 'amount_minor' => BigDecimal::of($data['amount'])->multipliedBy(100)->toInt(), 'reason' => $data['reason']]);
+            app(RequisitionWorkflow::class)->audit($request->user(), 'budget.created', null, null, $budget->toArray());
+        });
+
+        return back();
+    }
+
+    public function approve(Request $request, Budget $budget): RedirectResponse
+    {
+        $this->access($request);
+        DB::transaction(function () use ($request, $budget) {
+            app(ConflictGuard::class)->lockCompany($request->user());
+            $budget = Budget::query()->lockForUpdate()->findOrFail($budget->id);
+            abort_if($budget->created_by === $request->user()->id, 403);
+            if ($budget->approved_by) {
+                return;
+            }
+            $budget->update(['approved_by' => $request->user()->id, 'approved_at' => now()]);
+            app(RequisitionWorkflow::class)->audit($request->user(), 'budget.approved', null, null, $budget->toArray());
+        });
+
+        return back();
+    }
+}