feat: added attachment DTOs

src/modules/task-manager/dto/attachment/create-attachment.dto.ts

@@ -0,0 +1,26 @@
+import { ApiProperty } from "@nestjs/swagger";
+import { IsString, IsNotEmpty, IsUUID, IsEnum, MaxLength } from "class-validator";
+import { TMAttachmentType } from "../../enums/attachment-type.enum";
+
+export class CreateAttachmentDto {
+  @ApiProperty({ description: "Title of the attachment", example: "Project Requirements Doc" })
+  @IsString()
+  @IsNotEmpty()
+  @MaxLength(150)
+  title: string;
+
+  @ApiProperty({ description: "Type of the attachment", enum: TMAttachmentType, example: TMAttachmentType.FILE })
+  @IsEnum(TMAttachmentType)
+  @IsNotEmpty()
+  type: TMAttachmentType;
+
+  @ApiProperty({ description: "File URL or path of the attachment", example: "https://cdn.example.com/files/requirements.pdf" })
+  @IsString()
+  @IsNotEmpty()
+  file: string;
+
+  @ApiProperty({ description: "ID of the task this attachment belongs to", example: "a1b2c3d4-e5f6-7890-abcd-ef1234567890" })
+  @IsUUID()
+  @IsNotEmpty()
+  taskId: string;
+}

src/modules/task-manager/dto/attachment/update-attachment.dto.ts

@@ -0,0 +1,4 @@
+import { PartialType } from "@nestjs/swagger";
+import { CreateAttachmentDto } from "./create-attachment.dto";
+
+export class UpdateAttachmentDto extends PartialType(CreateAttachmentDto) {}