Add distribution power summaries

src/db/repositories/distribution-board.repository.ts

@@ -1,4 +1,4 @@
-import { eq } from "drizzle-orm";
+import { and, eq } from "drizzle-orm";
 import type { AppDatabase } from "../database-context.js";
 import { distributionBoards } from "../schema/distribution-boards.js";
 
@@ -12,4 +12,19 @@ export class DistributionBoardRepository {
       .where(eq(distributionBoards.projectId, projectId));
   }
 
+  async findById(projectId: string, distributionBoardId: string) {
+    return (
+      this.database
+        .select()
+        .from(distributionBoards)
+        .where(
+          and(
+            eq(distributionBoards.projectId, projectId),
+            eq(distributionBoards.id, distributionBoardId)
+          )
+        )
+        .get() ?? null
+    );
+  }
+
 }