[KW-676] feat: getConnectionIdByPassId grpc server

build.gradle

@@ -72,12 +72,12 @@ dependencies {
     implementation("org.modelmapper:modelmapper:3.1.1")
 
     // (1) hospital-interface 모듈
-    implementation "com.doubleo.grpc:hospital-interface:0.3.2"
-    implementation "com.doubleo.grpc:patient-interface:0.3.2"
-    implementation "com.doubleo.grpc:member-interface:0.3.2"
-    implementation "com.doubleo.grpc:log-interface:0.3.2"
-    implementation "com.doubleo.grpc:acapy-interface:0.3.2"
-    implementation "com.doubleo.grpc:pass-interface:0.3.2"
+    implementation "com.doubleo.grpc:hospital-interface:0.3.3"
+    implementation "com.doubleo.grpc:patient-interface:0.3.3"
+    implementation "com.doubleo.grpc:member-interface:0.3.3"
+    implementation "com.doubleo.grpc:log-interface:0.3.3"
+    implementation "com.doubleo.grpc:acapy-interface:0.3.3"
+    implementation "com.doubleo.grpc:pass-interface:0.3.3"
 
     // (2) gRPC 런타임
     implementation "io.grpc:grpc-netty:1.63.0"

src/main/java/com/doubleo/passservice/global/exception/errorcode/PassErrorCode.java

@@ -10,7 +10,8 @@ public enum PassErrorCode implements BaseErrorCode {
     PATIENT_ID_REQUIRED_FOR_GUARDIAN(HttpStatus.BAD_REQUEST, "patient id가 필요합니다."),
     PASS_NOT_FOUND(HttpStatus.NOT_FOUND, "pass를 찾을 수 없습니다."),
     VISIT_CATEGORY_REQUIRED_FOR_PASS(HttpStatus.BAD_REQUEST, "visit category가 올바르지 않습니다."),
-    VC_ISSUE_FAILED(HttpStatus.INTERNAL_SERVER_ERROR, "VC 발급에 실패했습니다.");
+    VC_ISSUE_FAILED(HttpStatus.INTERNAL_SERVER_ERROR, "VC 발급에 실패했습니다."),
+    CONNECTION_ID_NOT_ASSIGNED(HttpStatus.CONFLICT, "connectionId가 아직 할당되지 않았습니다.");
 
     private final HttpStatus httpStatus;
     private final String message;

src/main/java/com/doubleo/passservice/grpc/server/PassGrpcServiceImpl.java

@@ -141,4 +141,40 @@ public void updateConnectionState(
         responseObserver.onNext(response);
         responseObserver.onCompleted();
     }
+
+    @Override
+    public void getConnectionIdByPassId(
+            GetConnectionIdByPassIdRequest request,
+            StreamObserver<GetConnectionIdByPassIdResponse> responseObserver) {
+        String tenantId = request.getTenantId();
+        long passId = request.getPassId();
+
+        try {
+            Pass pass =
+                    passRepository
+                            .findById(passId)
+                            .orElseThrow(() -> new CommonException(PassErrorCode.PASS_NOT_FOUND));
+
+            String connectionId = pass.getDidConnectionId();
+            if (connectionId == null) {
+                throw new CommonException(PassErrorCode.CONNECTION_ID_NOT_ASSIGNED);
+            }
+
+            GetConnectionIdByPassIdResponse response =
+                    GetConnectionIdByPassIdResponse.newBuilder()
+                            .setConnectionId(connectionId)
+                            .build();
+
+            responseObserver.onNext(response);
+            responseObserver.onCompleted();
+
+        } catch (Exception e) {
+            log.error(
+                    "[{}] connectionId 조회 실패 - passId: {}, error: {}",
+                    tenantId,
+                    passId,
+                    e.getMessage());
+            responseObserver.onError(e);
+        }
+    }
 }