From 44cc8a7dbd07603f09bb82c5cd70e45a0e5a62e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=94=D0=BC=D0=B8=D1=82=D1=80=D0=B8=D0=B9?=
 <noreply@anthropic.com>
Date: Mon, 1 Jun 2026 07:18:17 +0300
Subject: [PATCH] feat(region): RossvyazPrefixLookup + RossvyazRecord DTO

---
 app/app/Services/Dto/RossvyazRecord.php       | 20 ++++
 app/app/Services/RossvyazPrefixLookup.php     | 60 ++++++++++++
 .../Services/RossvyazPrefixLookupTest.php     | 94 +++++++++++++++++++
 app/tests/fixtures/rossvyaz/sample.csv        |  4 +
 4 files changed, 178 insertions(+)
 create mode 100644 app/app/Services/Dto/RossvyazRecord.php
 create mode 100644 app/app/Services/RossvyazPrefixLookup.php
 create mode 100644 app/tests/Feature/Services/RossvyazPrefixLookupTest.php
 create mode 100644 app/tests/fixtures/rossvyaz/sample.csv

diff --git a/app/app/Services/Dto/RossvyazRecord.php b/app/app/Services/Dto/RossvyazRecord.php
new file mode 100644
index 00000000..ca4d0899
--- /dev/null
+++ b/app/app/Services/Dto/RossvyazRecord.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\Dto;
+
+/**
+ * Read-only результат поиска по реестру нумерации Россвязи (`phone_ranges`).
+ *
+ * `subjectCode` — код субъекта РФ 1..89 (см. App\Support\RussianRegions) либо
+ * null, если для диапазона он не был промаплен при импорте.
+ */
+final readonly class RossvyazRecord
+{
+    public function __construct(
+        public ?int $subjectCode,
+        public string $region,
+        public string $operator,
+    ) {}
+}
diff --git a/app/app/Services/RossvyazPrefixLookup.php b/app/app/Services/RossvyazPrefixLookup.php
new file mode 100644
index 00000000..c465973a
--- /dev/null
+++ b/app/app/Services/RossvyazPrefixLookup.php
@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services;
+
+use App\Services\Dto\RossvyazRecord;
+use Illuminate\Support\Facades\DB;
+
+/**
+ * Локальный fallback резолва региона/оператора по телефону через реестр
+ * нумерации Россвязи (`phone_ranges`).
+ *
+ * Используется LeadRegionResolver когда DaData недоступна/неуверена (qc=1,
+ * timeout, бюджет исчерпан). Алгоритм (spec §3.7):
+ *   - def_code = 3 цифры кода ABC/DEF (позиции 1..3 нормализованного номера);
+ *   - subscriber = остаток номера как BIGINT;
+ *   - выбираем самый УЗКИЙ диапазон, накрывающий номер (ORDER BY width ASC),
+ *     т.к. узкие переопределения операторов точнее широких региональных блоков.
+ *
+ * Запрос идёт через `pgsql_supplier` (BYPASSRLS на проде, как LeadRouter):
+ * `phone_ranges` — SaaS-level публичные данные без RLS.
+ */
+class RossvyazPrefixLookup
+{
+    /** Connection для чтения реестра (на проде BYPASSRLS, на dev/test — superuser fallback). */
+    public const CONNECTION = 'pgsql_supplier';
+
+    public function find(string $phone): ?RossvyazRecord
+    {
+        $digits = preg_replace('/\D+/', '', $phone) ?? '';
+
+        // Российский номер: 7|8 + ABC/DEF (3) + абонент (7) = 11 цифр.
+        if (strlen($digits) !== 11) {
+            return null;
+        }
+
+        $defCode = (int) substr($digits, 1, 3);
+        $subscriber = (int) substr($digits, 4);
+
+        $row = DB::connection(self::CONNECTION)->selectOne(
+            'SELECT region, operator, subject_code
+               FROM phone_ranges
+              WHERE def_code = ? AND from_num <= ? AND to_num >= ?
+              ORDER BY (to_num - from_num) ASC
+              LIMIT 1',
+            [$defCode, $subscriber, $subscriber],
+        );
+
+        if ($row === null) {
+            return null;
+        }
+
+        return new RossvyazRecord(
+            subjectCode: $row->subject_code !== null ? (int) $row->subject_code : null,
+            region: (string) $row->region,
+            operator: (string) $row->operator,
+        );
+    }
+}
diff --git a/app/tests/Feature/Services/RossvyazPrefixLookupTest.php b/app/tests/Feature/Services/RossvyazPrefixLookupTest.php
new file mode 100644
index 00000000..d49efc1e
--- /dev/null
+++ b/app/tests/Feature/Services/RossvyazPrefixLookupTest.php
@@ -0,0 +1,94 @@
+<?php
+
+declare(strict_types=1);
+
+use App\Services\Dto\RossvyazRecord;
+use App\Services\RossvyazPrefixLookup;
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+use Illuminate\Support\Facades\DB;
+use Tests\Concerns\SharesSupplierPdo;
+
+uses(DatabaseTransactions::class);
+uses(SharesSupplierPdo::class);
+
+/**
+ * Вставляет строку-журнал импорта и возвращает её id (import_id для phone_ranges).
+ */
+function seedRossvyazImport(): int
+{
+    return (int) DB::table('phone_ranges_imports')->insertGetId([
+        'source_url' => 'https://rossvyaz.gov.ru/test',
+        'checksum_sha256' => str_repeat('a', 64),
+        'status' => 'completed',
+        'imported_at' => now(),
+    ]);
+}
+
+/**
+ * @param  array<string, mixed>  $overrides
+ */
+function seedPhoneRange(array $overrides = []): void
+{
+    DB::table('phone_ranges')->insert(array_merge([
+        'def_code' => 921,
+        'from_num' => 5550000,
+        'to_num' => 5559999,
+        'operator' => 'МегаФон',
+        'region' => 'Санкт-Петербург',
+        'subject_code' => 83,
+        'imported_at' => now(),
+        'import_id' => seedRossvyazImport(),
+    ], $overrides));
+}
+
+it('mobile prefix returns correct region and operator', function (): void {
+    seedPhoneRange();
+
+    $rec = app(RossvyazPrefixLookup::class)->find('79215555123');
+
+    expect($rec)->toBeInstanceOf(RossvyazRecord::class)
+        ->and($rec->subjectCode)->toBe(83)
+        ->and($rec->region)->toBe('Санкт-Петербург')
+        ->and($rec->operator)->toBe('МегаФон');
+});
+
+it('prefers narrower range when two ranges overlap', function (): void {
+    $importId = seedRossvyazImport();
+    // Широкий диапазон (вся 495-зона) — Московская область (56).
+    seedPhoneRange([
+        'def_code' => 495, 'from_num' => 1000000, 'to_num' => 9999999,
+        'operator' => 'Ростелеком', 'region' => 'Московская область',
+        'subject_code' => 56, 'import_id' => $importId,
+    ]);
+    // Узкий диапазон внутри — Москва (82). Должен выиграть (ORDER BY width ASC).
+    seedPhoneRange([
+        'def_code' => 495, 'from_num' => 2000000, 'to_num' => 2009999,
+        'operator' => 'МГТС', 'region' => 'Москва',
+        'subject_code' => 82, 'import_id' => $importId,
+    ]);
+
+    $rec = app(RossvyazPrefixLookup::class)->find('74952005000');
+
+    expect($rec)->not->toBeNull()
+        ->and($rec->subjectCode)->toBe(82)
+        ->and($rec->region)->toBe('Москва');
+});
+
+it('returns null for unknown prefix', function (): void {
+    seedPhoneRange(); // только def_code=921
+
+    expect(app(RossvyazPrefixLookup::class)->find('79991234567'))->toBeNull();
+});
+
+it('returns null when subscriber number is outside any range', function (): void {
+    seedPhoneRange(['def_code' => 921, 'from_num' => 5550000, 'to_num' => 5559999]);
+
+    // def_code совпадает (921), но subscriber 4440000 вне [5550000, 5559999]
+    expect(app(RossvyazPrefixLookup::class)->find('79214440000'))->toBeNull();
+});
+
+it('returns null for malformed phone', function (): void {
+    seedPhoneRange();
+
+    expect(app(RossvyazPrefixLookup::class)->find('123'))->toBeNull();
+});
diff --git a/app/tests/fixtures/rossvyaz/sample.csv b/app/tests/fixtures/rossvyaz/sample.csv
new file mode 100644
index 00000000..2fae21e4
--- /dev/null
+++ b/app/tests/fixtures/rossvyaz/sample.csv
@@ -0,0 +1,4 @@
+АВС/ DEF;От;До;Емкость;Оператор;Регион
+495;2000000;2009999;10000;ОАО МГТС;Москва
+921;5550000;5559999;10000;ПАО МегаФон;Санкт-Петербург
+999;0000000;0009999;10000;Тест Оператор;Атлантида