From 0be1a5a08f2b7bd407f343ae833f191c8ae42022 Mon Sep 17 00:00:00 2001
From: Vladimir Bryzgalov <vladimir.bryzgalov@gmail.com>
Date: Tue, 12 May 2026 20:07:01 +0500
Subject: [PATCH] feat(wpmc S3): ShortcodeDmr::render resolves text by current
 town

---
 includes/class-shortcode-dmr.php | 39 ++++++++++++++++++++++++++++++--
 tests/ShortcodeDmrTest.php       | 25 ++++++++++++++++++++
 tests/TestCase.php               |  3 +++
 3 files changed, 65 insertions(+), 2 deletions(-)

diff --git a/includes/class-shortcode-dmr.php b/includes/class-shortcode-dmr.php
index f0474bc..4fb459d 100644
--- a/includes/class-shortcode-dmr.php
+++ b/includes/class-shortcode-dmr.php
@@ -26,7 +26,42 @@ final class ShortcodeDmr
 
     public static function render($atts = [], $content = null): string
     {
-        // Implementation in Task 13.
-        return '';
+        $atts = \shortcode_atts(['id' => 0], (array) $atts);
+        $id = (int) $atts['id'];
+        if ($id <= 0) {
+            return '';
+        }
+
+        $town_slug = Helpers::current_town();
+        if ($town_slug === null) {
+            return '';
+        }
+
+        $cache_key = $id . '|' . $town_slug;
+        if (array_key_exists($cache_key, self::$render_cache)) {
+            return self::$render_cache[$cache_key];
+        }
+
+        $term = Helpers::get_term_by_slug($town_slug);
+        if ($term === null) {
+            return self::$render_cache[$cache_key] = '';
+        }
+
+        $rows = \get_field('list_shortcode', $id);
+        if (!is_array($rows) || $rows === []) {
+            return self::$render_cache[$cache_key] = '';
+        }
+
+        foreach ($rows as $row) {
+            if (!is_array($row) || !isset($row['town'])) {
+                continue;
+            }
+            if ((int) $row['town'] === (int) $term->term_id) {
+                $text = isset($row['text']) ? (string) $row['text'] : '';
+                return self::$render_cache[$cache_key] = $text;
+            }
+        }
+
+        return self::$render_cache[$cache_key] = '';
     }
 }
diff --git a/tests/ShortcodeDmrTest.php b/tests/ShortcodeDmrTest.php
index a11b8bb..2f4d23d 100644
--- a/tests/ShortcodeDmrTest.php
+++ b/tests/ShortcodeDmrTest.php
@@ -27,4 +27,29 @@ final class ShortcodeDmrTest extends TestCase
 
         self::assertTrue(true);
     }
+
+    public function test_render_returns_text_when_row_matches_current_town(): void
+    {
+        $_SERVER['REQUEST_URI'] = '/tyumen/';
+        \Brain\Monkey\Functions\when('get_terms')->justReturn([10 => 'spb', 11 => 'tyumen']);
+
+        $term = new \WP_Term();
+        $term->term_id = 11;
+        $term->slug = 'tyumen';
+        \Brain\Monkey\Functions\when('get_term_by')->alias(function ($field, $slug, $tax) use ($term) {
+            return ($field === 'slug' && $slug === 'tyumen' && $tax === 'town') ? $term : false;
+        });
+
+        \Brain\Monkey\Functions\expect('get_field')
+            ->once()
+            ->with('list_shortcode', 42)
+            ->andReturn([
+                ['town' => 10, 'text' => 'СПб-текст'],
+                ['town' => 11, 'text' => 'Тюмень-текст'],
+            ]);
+
+        $result = ShortcodeDmr::render(['id' => 42]);
+
+        self::assertSame('Тюмень-текст', $result);
+    }
 }
diff --git a/tests/TestCase.php b/tests/TestCase.php
index 55ef283..27b871a 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -15,6 +15,9 @@ abstract class TestCase extends BaseTestCase
         parent::setUp();
         Monkey\setUp();
         Monkey\Functions\stubTranslationFunctions();
+        Monkey\Functions\when('shortcode_atts')->alias(function (array $defaults, array $atts): array {
+            return array_merge($defaults, array_intersect_key($atts, $defaults));
+        });
         Helpers::reset_cache();
         ShortcodeDmr::reset_cache();
     }