feat(payments): track transfer match candidates

.env.example

@@ -8,6 +8,7 @@ PURCHASE_CHECKOUT_EXPIRATION_MINUTES=30
 PURCHASE_QR_EXPIRATION_MINUTES=15
 PURCHASE_TELEPAGOS_EXPIRATION_MINUTES=30
 PURCHASE_TRANSFER_EXPIRATION_MINUTES=1440
+PURCHASE_TRANSFER_CANDIDATE_AMOUNT_TOLERANCE_PERCENTAGE=5
 STOCK_RESERVATION_EXPIRATION_MINUTES=30
 FRONTEND_URLS=http://localhost:4200
 

app/Domains/Integration/Services/TelepagosWebhookService.php

@@ -8,6 +8,8 @@ use App\Domains\Purchase\Models\TelepagosPayment;
 use App\Domains\Purchase\Models\TelepagosQr;
 use App\Domains\Purchase\Services\CheckoutService;
 use Exception;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Log;
 
@@ -41,7 +43,6 @@ class TelepagosWebhookService
 
             $paymentData = [
                 'compra_id' => null,
-                'matched_purchase_ids' => null,
                 'cuit_buyer' => $details['data']['buyer']['cuit'] ?? $details['buyer']['cuit'] ?? null,
                 'cvu_buyer' => $details['data']['buyer']['cvu'] ?? $details['buyer']['cvu'] ?? null,
                 'amount' => $amount,
@@ -73,24 +74,52 @@ class TelepagosWebhookService
                 $dni = substr($cuit, 2, -1);
 
                 $tenantCodes = $client->tenants()->pluck('codigo');
-                $purchases = Purchase::whereIn('tenant_codigo', $tenantCodes)
+                $eligiblePurchases = Purchase::query()
-                    ->where('transfer_payer_dni', $dni)
+                    ->whereIn('tenant_codigo', $tenantCodes)
                     ->whereIn('status', [
                         Purchase::STATUS_CREATED,
                         Purchase::STATUS_PENDING_PAYMENT,
                         Purchase::STATUS_IN_REVIEW,
                     ])
-                    ->where('payment_method', 'transfer')
+                    ->where('payment_method', 'transfer');
+
+                $purchases = (clone $eligiblePurchases)
+                    ->where('transfer_payer_dni', $dni)
                     ->where('total', $amount)
                     ->latest()
                     ->get();
 
-                $paymentData['matched_purchase_ids'] = $purchases->pluck('id')->all();
                 $compra = $purchases->count() === 1 ? $purchases->first() : null;
 
                 if (! $compra) {
-                    if ($purchases->count() > 1) {
+                    $candidatePurchases = $this->findTransferCandidates(
-                        TelepagosPayment::create($paymentData);
+                        $eligiblePurchases,
+                        $dni,
+                        $amount,
+                    );
+                    if ($candidatePurchases->isNotEmpty()) {
+                        $payment = $this->storeTransferCandidates(
+                            $paymentData,
+                            $candidatePurchases,
+                            $dni,
+                            $amount,
+                        );
+
+                        Log::channel('telepagos')->info('Telepagos webhook: Transfer payment candidates found.', [
+                            'client_code' => $client->code,
+                            'cashin_id' => $cashinId,
+                            'telepagos_payment_id' => $payment->id,
+                            'amount' => $amount,
+                            'candidate_count' => $payment->candidates->count(),
+                            'candidates' => $payment->candidates
+                                ->map(fn ($candidate): array => [
+                                    'purchase_id' => $candidate->compra_id,
+                                    'match_reason' => $candidate->match_reason,
+                                    'amount_difference' => $candidate->amount_difference,
+                                    'confidence' => $candidate->confidence,
+                                ])
+                                ->all(),
+                        ]);
                     }
 
                     Log::channel('telepagos')->warning('Telepagos webhook: Expected exactly one matching purchase.', [
@@ -209,4 +238,85 @@ class TelepagosWebhookService
     {
         return number_format((float) $amount, 2, '.', '');
     }
+
+    /**
+     * @param  Builder<Purchase>  $eligiblePurchases
+     * @return Collection<int, Purchase>
+     */
+    private function findTransferCandidates(Builder $eligiblePurchases, string $dni, string $amount): Collection
+    {
+        $tolerancePercentage = max(
+            0,
+            (float) config('purchase.transfer_candidate_amount_tolerance_percentage', 5),
+        );
+        $numericAmount = (float) $amount;
+        $tolerance = $numericAmount * ($tolerancePercentage / 100);
+        $minimumAmount = $this->normalizeAmount(max(0, $numericAmount - $tolerance));
+        $maximumAmount = $this->normalizeAmount($numericAmount + $tolerance);
+
+        return (clone $eligiblePurchases)
+            ->where(function ($query) use ($dni, $amount, $minimumAmount, $maximumAmount): void {
+                $query
+                    ->where(function ($query) use ($dni, $minimumAmount, $maximumAmount): void {
+                        $query
+                            ->where('transfer_payer_dni', $dni)
+                            ->whereBetween('total', [$minimumAmount, $maximumAmount]);
+                    })
+                    ->orWhere(function ($query) use ($dni, $amount): void {
+                        $query
+                            ->where('total', $amount)
+                            ->where(function ($query) use ($dni): void {
+                                $query
+                                    ->whereNull('transfer_payer_dni')
+                                    ->orWhere('transfer_payer_dni', '!=', $dni);
+                            });
+                    });
+            })
+            ->latest()
+            ->get();
+    }
+
+    /**
+     * @param  array<string, mixed>  $paymentData
+     * @param  Collection<int, Purchase>  $candidatePurchases
+     */
+    private function storeTransferCandidates(
+        array $paymentData,
+        Collection $candidatePurchases,
+        string $dni,
+        string $amount,
+    ): TelepagosPayment {
+        return DB::transaction(function () use ($paymentData, $candidatePurchases, $dni, $amount): TelepagosPayment {
+            $payment = TelepagosPayment::create($paymentData);
+
+            $payment->candidates()->createMany(
+                $candidatePurchases
+                    ->map(function (Purchase $purchase) use ($dni, $amount): array {
+                        $purchaseAmount = $this->normalizeAmount($purchase->total);
+                        $dniMatches = $purchase->transfer_payer_dni === $dni;
+                        $amountMatches = $purchaseAmount === $amount;
+
+                        return [
+                            'compra_id' => $purchase->id,
+                            'dni_matches' => $dniMatches,
+                            'amount_matches' => $amountMatches,
+                            'payment_amount' => $amount,
+                            'purchase_amount' => $purchaseAmount,
+                            'amount_difference' => $this->normalizeAmount(
+                                abs((float) $purchaseAmount - (float) $amount),
+                            ),
+                            'match_reason' => $amountMatches
+                                ? ($dniMatches ? 'ambiguous_exact_match' : 'exact_amount_different_dni')
+                                : 'exact_dni_near_amount',
+                            'confidence' => $amountMatches
+                                ? ($dniMatches ? 'exact' : 'medium')
+                                : 'high',
+                        ];
+                    })
+                    ->all(),
+            );
+
+            return $payment->load('candidates');
+        });
+    }
 }

app/Domains/Purchase/Models/TelepagosPayment.php

@@ -6,10 +6,10 @@ use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 
 #[Fillable([
     'compra_id',
-    'matched_purchase_ids',
     'cuit_buyer',
     'cvu_buyer',
     'amount',
@@ -30,7 +30,6 @@ class TelepagosPayment extends Model
     {
         return [
             'compra_id' => 'integer',
-            'matched_purchase_ids' => 'array',
             'amount' => 'decimal:2',
         ];
     }
@@ -42,4 +41,10 @@ class TelepagosPayment extends Model
     {
         return $this->belongsTo(Purchase::class, 'compra_id');
     }
+
+    /** @return HasMany<TelepagosPaymentCandidate, $this> */
+    public function candidates(): HasMany
+    {
+        return $this->hasMany(TelepagosPaymentCandidate::class, 'telepagos_payment_id');
+    }
 }

app/Domains/Purchase/Models/TelepagosPaymentCandidate.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Domains\Purchase\Models;
+
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+#[Fillable([
+    'telepagos_payment_id',
+    'compra_id',
+    'dni_matches',
+    'amount_matches',
+    'payment_amount',
+    'purchase_amount',
+    'amount_difference',
+    'match_reason',
+    'confidence',
+])]
+class TelepagosPaymentCandidate extends Model
+{
+    protected $table = 'telepagos_payment_candidates';
+
+    protected function casts(): array
+    {
+        return [
+            'telepagos_payment_id' => 'integer',
+            'compra_id' => 'integer',
+            'dni_matches' => 'boolean',
+            'amount_matches' => 'boolean',
+            'payment_amount' => 'decimal:2',
+            'purchase_amount' => 'decimal:2',
+            'amount_difference' => 'decimal:2',
+        ];
+    }
+
+    public function payment(): BelongsTo
+    {
+        return $this->belongsTo(TelepagosPayment::class, 'telepagos_payment_id');
+    }
+
+    public function purchase(): BelongsTo
+    {
+        return $this->belongsTo(Purchase::class, 'compra_id');
+    }
+}

config/purchase.php

@@ -8,4 +8,9 @@ return [
         'telepagos' => (int) env('PURCHASE_TELEPAGOS_EXPIRATION_MINUTES', 30),
         'transfer' => (int) env('PURCHASE_TRANSFER_EXPIRATION_MINUTES', 1440),
     ],
+
+    'transfer_candidate_amount_tolerance_percentage' => (float) env(
+        'PURCHASE_TRANSFER_CANDIDATE_AMOUNT_TOLERANCE_PERCENTAGE',
+        5,
+    ),
 ];

database/migrations/2026_08_27_000000_create_telepagos_payment_candidates_table.php

@@ -0,0 +1,141 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('telepagos_payment_candidates', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('telepagos_payment_id')
+                ->constrained('telepagos_payments')
+                ->cascadeOnDelete();
+            $table->foreignId('compra_id')->constrained('compras')->cascadeOnDelete();
+            $table->boolean('dni_matches');
+            $table->boolean('amount_matches');
+            $table->decimal('payment_amount', 10, 2);
+            $table->decimal('purchase_amount', 10, 2);
+            $table->decimal('amount_difference', 10, 2);
+            $table->string('match_reason');
+            $table->string('confidence');
+            $table->timestamps();
+
+            $table->unique(
+                ['telepagos_payment_id', 'compra_id'],
+                'telepagos_payment_candidate_unique',
+            );
+        });
+
+        $this->migrateExistingCandidates();
+
+        Schema::table('telepagos_payments', function (Blueprint $table) {
+            $table->dropColumn('matched_purchase_ids');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('telepagos_payments', function (Blueprint $table) {
+            $table->json('matched_purchase_ids')->nullable()->after('compra_id');
+        });
+
+        DB::table('telepagos_payments')
+            ->whereNull('compra_id')
+            ->orderBy('id')
+            ->each(function (object $payment): void {
+                $candidateIds = DB::table('telepagos_payment_candidates')
+                    ->where('telepagos_payment_id', $payment->id)
+                    ->pluck('compra_id')
+                    ->all();
+
+                if ($candidateIds !== []) {
+                    DB::table('telepagos_payments')
+                        ->where('id', $payment->id)
+                        ->update(['matched_purchase_ids' => json_encode($candidateIds)]);
+                }
+            });
+
+        Schema::dropIfExists('telepagos_payment_candidates');
+    }
+
+    private function migrateExistingCandidates(): void
+    {
+        DB::table('telepagos_payments')
+            ->whereNull('compra_id')
+            ->whereNotNull('matched_purchase_ids')
+            ->orderBy('id')
+            ->each(function (object $payment): void {
+                $candidateIds = json_decode((string) $payment->matched_purchase_ids, true);
+
+                if (! is_array($candidateIds)) {
+                    return;
+                }
+
+                $paymentAmount = number_format((float) $payment->amount, 2, '.', '');
+                $payerDni = $payment->cuit_buyer
+                    ? substr((string) $payment->cuit_buyer, 2, -1)
+                    : null;
+
+                foreach ($candidateIds as $candidateId) {
+                    $purchase = DB::table('compras')->find($candidateId);
+
+                    if ($purchase === null) {
+                        continue;
+                    }
+
+                    $purchaseAmount = number_format((float) $purchase->total, 2, '.', '');
+                    $dniMatches = $payerDni !== null && $purchase->transfer_payer_dni === $payerDni;
+                    $amountMatches = $purchaseAmount === $paymentAmount;
+
+                    DB::table('telepagos_payment_candidates')->insertOrIgnore([
+                        'telepagos_payment_id' => $payment->id,
+                        'compra_id' => $purchase->id,
+                        'dni_matches' => $dniMatches,
+                        'amount_matches' => $amountMatches,
+                        'payment_amount' => $paymentAmount,
+                        'purchase_amount' => $purchaseAmount,
+                        'amount_difference' => number_format(
+                            abs((float) $purchaseAmount - (float) $paymentAmount),
+                            2,
+                            '.',
+                            '',
+                        ),
+                        'match_reason' => $this->matchReason($dniMatches, $amountMatches),
+                        'confidence' => $this->confidence($dniMatches, $amountMatches),
+                        'created_at' => $payment->created_at,
+                        'updated_at' => $payment->updated_at,
+                    ]);
+                }
+            });
+    }
+
+    private function matchReason(bool $dniMatches, bool $amountMatches): string
+    {
+        if ($dniMatches && $amountMatches) {
+            return 'ambiguous_exact_match';
+        }
+
+        if ($dniMatches) {
+            return 'exact_dni_near_amount';
+        }
+
+        if ($amountMatches) {
+            return 'exact_amount_different_dni';
+        }
+
+        return 'legacy_candidate';
+    }
+
+    private function confidence(bool $dniMatches, bool $amountMatches): string
+    {
+        if ($dniMatches && $amountMatches) {
+            return 'exact';
+        }
+
+        return $dniMatches ? 'high' : 'medium';
+    }
+};

tests/Feature/Integration/TelepagosWebhookTest.php

@@ -325,8 +325,9 @@ class TelepagosWebhookTest extends TestCase
             ->firstOrFail();
         $this->assertEqualsCanonicalizing(
             [$firstPurchase->id, $secondPurchase->id, $thirdPurchase->id],
-            $payment->matched_purchase_ids,
+            $payment->candidates()->pluck('compra_id')->all(),
         );
+        $this->assertSame(3, $payment->candidates()->where('match_reason', 'ambiguous_exact_match')->count());
         $this->assertDatabaseHas('compras', [
             'id' => $firstPurchase->id,
             'status' => Purchase::STATUS_PENDING_PAYMENT,
@@ -341,6 +342,111 @@ class TelepagosWebhookTest extends TestCase
         ]);
     }
 
+    public function test_transfer_webhook_records_near_amount_only_with_exact_dni_or_exact_amount_with_different_dni(): void
+    {
+        config(['purchase.transfer_candidate_amount_tolerance_percentage' => 5]);
+
+        $tenant = $this->createTenant('candidates', 'Candidates', 'candidates.com.ar');
+        $this->configureTelepagosIntegration($tenant);
+
+        $nearAmountVariant = $this->createVariantForTenant('candidates', 10, '52.00', 'near');
+        $exactAmountVariant = $this->createVariantForTenant('candidates', 10, '50.00', 'exact');
+        $nearAmountDifferentDniVariant = $this->createVariantForTenant('candidates', 10, '51.00', 'near-other-dni');
+        $outsideRangeVariant = $this->createVariantForTenant('candidates', 10, '100.00', 'outside');
+
+        $nearAmountPurchase = $this->createPendingTransferPurchase(
+            $tenant,
+            User::factory()->create()->id,
+            $nearAmountVariant->id,
+            1,
+            '12345678',
+        );
+        $exactAmountDifferentDniPurchase = $this->createPendingTransferPurchase(
+            $tenant,
+            User::factory()->create()->id,
+            $exactAmountVariant->id,
+            1,
+            '87654321',
+        );
+        $nearAmountDifferentDniPurchase = $this->createPendingTransferPurchase(
+            $tenant,
+            User::factory()->create()->id,
+            $nearAmountDifferentDniVariant->id,
+            1,
+            '87654321',
+        );
+        $outsideRangePurchase = $this->createPendingTransferPurchase(
+            $tenant,
+            User::factory()->create()->id,
+            $outsideRangeVariant->id,
+            1,
+            '12345678',
+        );
+
+        Http::fake([
+            'https://api.telepagos.com.ar/v2/auth/token' => Http::response([
+                'status' => 'ok',
+                'token' => 'test-token',
+                'expires_at' => now()->addHour()->toIso8601String(),
+            ]),
+            'https://api.telepagos.com.ar/v2/payment/cashin/candidates' => Http::response([
+                'status' => 'ok',
+                'data' => [
+                    'amount' => 50,
+                    'operation_id' => 1,
+                    'transaction_id' => 'tx-candidates',
+                    'buyer' => ['cuit' => '20123456789'],
+                ],
+            ]),
+        ]);
+
+        $this->postJson('/api/webhooks/telepagos/candidates', ['id' => 'candidates'])
+            ->assertOk()
+            ->assertJsonPath('status', 'success');
+
+        $payment = TelepagosPayment::query()
+            ->where('transaction_id', 'tx-candidates')
+            ->firstOrFail();
+
+        $this->assertNull($payment->compra_id);
+        $this->assertEqualsCanonicalizing([
+            $nearAmountPurchase->id,
+            $exactAmountDifferentDniPurchase->id,
+        ], $payment->candidates()->pluck('compra_id')->all());
+        $this->assertDatabaseHas('telepagos_payment_candidates', [
+            'telepagos_payment_id' => $payment->id,
+            'compra_id' => $nearAmountPurchase->id,
+            'dni_matches' => true,
+            'amount_matches' => false,
+            'payment_amount' => 50,
+            'purchase_amount' => 52,
+            'amount_difference' => 2,
+            'match_reason' => 'exact_dni_near_amount',
+            'confidence' => 'high',
+        ]);
+        $this->assertDatabaseHas('telepagos_payment_candidates', [
+            'telepagos_payment_id' => $payment->id,
+            'compra_id' => $exactAmountDifferentDniPurchase->id,
+            'dni_matches' => false,
+            'amount_matches' => true,
+            'payment_amount' => 50,
+            'purchase_amount' => 50,
+            'amount_difference' => 0,
+            'match_reason' => 'exact_amount_different_dni',
+            'confidence' => 'medium',
+        ]);
+        $this->assertDatabaseMissing('telepagos_payment_candidates', [
+            'telepagos_payment_id' => $payment->id,
+            'compra_id' => $nearAmountDifferentDniPurchase->id,
+        ]);
+        $this->assertDatabaseMissing('telepagos_payment_candidates', [
+            'telepagos_payment_id' => $payment->id,
+            'compra_id' => $outsideRangePurchase->id,
+        ]);
+        $this->assertSame(Purchase::STATUS_PENDING_PAYMENT, $nearAmountPurchase->fresh()->status);
+        $this->assertSame(Purchase::STATUS_PENDING_PAYMENT, $exactAmountDifferentDniPurchase->fresh()->status);
+    }
+
     public function test_webhook_confirms_a_purchase_with_tickets_enabled(): void
     {
         $tenant = $this->createTenant('expired-ticket', 'Expired Ticket', 'expired-ticket.com.ar');