87 lines
2.9 KiB
PHP
87 lines
2.9 KiB
PHP
<?php
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namespace App\Http\Controllers;
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use App\Actions\ApplyDistributionAction;
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use App\Http\Requests\CalculateProjectionRequest;
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use App\Http\Requests\PreviewAllocationRequest;
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use App\Http\Resources\ProjectionResource;
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use App\Models\Bucket;
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use App\Models\Scenario;
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use App\Services\Projection\PipelineAllocationService;
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use App\Services\Projection\ProjectionGeneratorService;
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use Carbon\Carbon;
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use Illuminate\Http\JsonResponse;
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class ProjectionController extends Controller
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{
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public function __construct(
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private readonly ProjectionGeneratorService $projectionGeneratorService,
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private readonly PipelineAllocationService $pipelineAllocationService,
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private readonly ApplyDistributionAction $applyDistributionAction,
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) {}
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public function calculate(CalculateProjectionRequest $request, Scenario $scenario): ProjectionResource
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{
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$startDate = Carbon::parse($request->input('start_date'));
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$endDate = Carbon::parse($request->input('end_date'));
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$projections = $this->projectionGeneratorService->generateProjections(
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$scenario,
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$startDate,
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$endDate
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);
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return new ProjectionResource($projections);
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}
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/**
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* All amounts in cents. Frontend handles conversion to display units.
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*/
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public function preview(PreviewAllocationRequest $request, Scenario $scenario): JsonResponse
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{
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$amountInCents = (int) $request->input('amount');
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$draws = $this->pipelineAllocationService->allocateInflow($scenario, $amountInCents);
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/** @var array<int, Bucket> $bucketLookup */
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$bucketLookup = $scenario->buckets->keyBy('id')->all();
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$allocations = $draws->map(function ($draw) use ($bucketLookup) {
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$bucket = $bucketLookup[$draw->bucket_id];
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return [
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'bucket_id' => $bucket->uuid,
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'bucket_name' => $bucket->name,
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'bucket_type' => $bucket->type->value,
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'allocated_amount' => $draw->amount,
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'remaining_capacity' => $bucket->hasFiniteCapacity()
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? max(0, $bucket->getEffectiveCapacity() - $draw->amount)
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: null,
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];
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})->values();
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$totalAllocated = $draws->sum('amount');
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return response()->json([
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'allocations' => $allocations,
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'total_allocated' => $totalAllocated,
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'unallocated' => $amountInCents - $totalAllocated,
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]);
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}
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/**
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* Apply an income distribution to bucket balances.
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*
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* Re-runs the allocation server-side and updates starting_amount for each bucket.
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* All amounts in cents.
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*/
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public function apply(PreviewAllocationRequest $request, Scenario $scenario): JsonResponse
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{
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$amountInCents = (int) $request->input('amount');
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$result = $this->applyDistributionAction->execute($scenario, $amountInCents);
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return response()->json($result);
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}
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}
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