first commit

src/current/current.mapper.ts

@@ -0,0 +1,24 @@
+import { CurrentResponseDto } from './dto/current-response.dto';
+import { CurrentRow } from './current.types';
+
+/** Преобразует строки БД current в стабильный DTO для API. */
+export function createCurrentResponse(edge: string, rows: CurrentRow[]): CurrentResponseDto {
+  return {
+    edge,
+    items: rows.map((row) => ({
+      edge: row.edge,
+      tag: row.tag,
+      value: row.value,
+      createdAt: row.createdAt,
+      updatedAt: row.updatedAt,
+      time: row.updatedAt,
+      name: row.name,
+      tagGroup: row.tag_group,
+      min: row.min,
+      max: row.max,
+      comment: row.comment,
+      unitOfMeasurement: row.unit_of_measurement,
+      precision: row.precision,
+    })),
+  };
+}