feat: allow multiple shares with one reverse share link

backend/src/reverseShare/dto/reverseShareTokenWithShares.ts

@@ -0,0 +1,29 @@
+import { OmitType } from "@nestjs/swagger";
+import { Expose, plainToClass, Type } from "class-transformer";
+import { MyShareDTO } from "src/share/dto/myShare.dto";
+import { ReverseShareDTO } from "./reverseShare.dto";
+
+export class ReverseShareTokenWithShares extends OmitType(ReverseShareDTO, [
+  "shareExpiration",
+] as const) {
+  @Expose()
+  shareExpiration: Date;
+
+  @Expose()
+  @Type(() => OmitType(MyShareDTO, ["recipients", "hasPassword"] as const))
+  shares: Omit<
+    MyShareDTO,
+    "recipients" | "files" | "from" | "fromList" | "hasPassword"
+  >[];
+
+  @Expose()
+  remainingUses: number;
+
+  fromList(partial: Partial<ReverseShareTokenWithShares>[]) {
+    return partial.map((part) =>
+      plainToClass(ReverseShareTokenWithShares, part, {
+        excludeExtraneousValues: true,
+      })
+    );
+  }
+}