From 4f5a5e9fbcc0b8072c2db3785f4f19e13434ba8f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=94=D0=B0=D0=BD=D0=B8=D0=B8=D0=BB=20=D0=9A=D0=B0=D0=BB?=
 =?UTF-8?q?=D0=B0=D1=88=D0=BD=D0=B8=D0=BA=D0=BE=D0=B2?=
 <ddkalashnikov@edu.hse.ru>
Date: Sat, 13 Jun 2026 12:11:33 +0300
Subject: [PATCH] add new endpoint /by-match/{matchId}

---
 .../judge/problem/ProblemController.java       | 18 ++++++++++++++++++
 .../backend/judge/problem/ProblemInfoDTO.java  | 12 ++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 src/main/java/com/codzilla/backend/judge/problem/ProblemInfoDTO.java

diff --git a/src/main/java/com/codzilla/backend/judge/problem/ProblemController.java b/src/main/java/com/codzilla/backend/judge/problem/ProblemController.java
index 6bdba6d..336d7af 100644
--- a/src/main/java/com/codzilla/backend/judge/problem/ProblemController.java
+++ b/src/main/java/com/codzilla/backend/judge/problem/ProblemController.java
@@ -33,6 +33,24 @@ public class ProblemController {
     private final SqlServiceClient sqlServiceClient;
     private final MatchService matchService;
 
+    @GetMapping("/by-match/{matchId}")
+    public ResponseEntity<ProblemInfoDTO> getProblemByMatch(@PathVariable UUID matchId) {
+        Match match = matchService.getMatchById(matchId);
+        if (match == null || match.getProblem() == null) {
+            return ResponseEntity.notFound().build();
+        }
+        Problem problem = match.getProblem();
+
+        ProblemInfoDTO dto = new ProblemInfoDTO();
+        dto.setId(problem.getId());
+        dto.setName(problem.getName());
+        dto.setExternalId(problem.getExternalId());
+        dto.setType(problem.getType().name());
+        dto.setLevel(problem.getLevel() != null ? problem.getLevel().name() : "EASY");
+
+        return ResponseEntity.ok(dto);
+    }
+
     @PostMapping("/algo")
     public ResponseEntity<Problem> createAlgoProblem(
             @RequestBody CreateAlgoProblemRequest request) {
diff --git a/src/main/java/com/codzilla/backend/judge/problem/ProblemInfoDTO.java b/src/main/java/com/codzilla/backend/judge/problem/ProblemInfoDTO.java
new file mode 100644
index 0000000..6cf63ff
--- /dev/null
+++ b/src/main/java/com/codzilla/backend/judge/problem/ProblemInfoDTO.java
@@ -0,0 +1,12 @@
+package com.codzilla.backend.judge.problem;
+
+import lombok.Data;
+
+@Data
+public class ProblemInfoDTO {
+    private Long id;
+    private String name;
+    private Long externalId;
+    private String type;
+    private String level;
+}
\ No newline at end of file