feat: add description field to share

backend/prisma/schema.prisma

@@ -39,6 +39,7 @@ model Share {
   isZipReady   Boolean  @default(false)
   views        Int      @default(0)
   expiration   DateTime
+  description  String?
 
   creatorId  String?
   creator    User?            @relation(fields: [creatorId], references: [id], onDelete: Cascade)

backend/src/share/dto/createShare.dto.ts

@@ -1,9 +1,11 @@
 import { Type } from "class-transformer";
 import {
   IsEmail,
+  IsOptional,
   IsString,
   Length,
   Matches,
+  MaxLength,
   ValidateNested,
 } from "class-validator";
 import { ShareSecurityDTO } from "./shareSecurity.dto";
@@ -19,6 +21,10 @@ export class CreateShareDTO {
   @IsString()
   expiration: string;
 
+  @MaxLength(512)
+  @IsOptional()
+  description: string;
+
   @IsEmail({}, { each: true })
   recipients: string[];
 

backend/src/share/dto/share.dto.ts

@@ -17,6 +17,9 @@ export class ShareDTO {
   @Type(() => PublicUserDTO)
   creator: PublicUserDTO;
 
+  @Expose()
+  description: string;
+
   from(partial: Partial<ShareDTO>) {
     return plainToClass(ShareDTO, partial, { excludeExtraneousValues: true });
   }

backend/src/user/dto/publicUser.dto.ts

@@ -1,4 +1,4 @@
 import { PickType } from "@nestjs/mapped-types";
 import { UserDTO } from "./user.dto";
 
-export class PublicUserDTO extends PickType(UserDTO, ["email"] as const) {}
+export class PublicUserDTO extends PickType(UserDTO, ["username"] as const) {}