basic booking load behavior

server/src/calendar/dto/booking.response.dto.ts

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+import { ApiProperty } from '@nestjs/swagger';
+import { Booking } from '../../entity/booking.entity';
+import { UserResponseDto } from './user.response.dto';
+import { PaginationResponseMetaDto } from './pagination.response.meta.dto';
+
+export class BookingResponseDto {
+  @ApiProperty()
+  id: number;
+
+  @ApiProperty()
+  eventId: number;
+
+  @ApiProperty()
+  occurrenceStartTime: Date; // ISO String for the client
+
+  @ApiProperty({ required: false })
+  notes?: string;
+
+  @ApiProperty()
+  reservedSeatsCount: number;
+
+  @ApiProperty({ nullable: true })
+  canceledAt?: string;
+
+  // Flattened User Info (Avoid sending the whole User object)
+  @ApiProperty({
+    nullable: true,
+    type: UserResponseDto, // <--- Good practice to be explicit here too
+  })
+  user?: UserResponseDto;
+
+  constructor(booking: Booking) {
+    this.id = Number(booking.id); // Handle BigInt conversion
+    this.eventId = Number(booking.eventId);
+    this.occurrenceStartTime = booking.occurrenceStartTime;
+    this.notes = booking.notes;
+    this.reservedSeatsCount = booking.reservedSeatsCount;
+    this.canceledAt = booking.canceledAt?.toISOString() || undefined;
+
+    // Safety check: Only map user if relation is loaded
+    if (booking.user) {
+      // Assuming User entity has firstName/lastName
+      this.user = new UserResponseDto(booking.user);
+    }
+  }
+}
+
+export class CalenderControllerGetBookingResponse {
+  @ApiProperty({ type: [BookingResponseDto] })
+  data: BookingResponseDto[] = [];
+  @ApiProperty()
+  meta: PaginationResponseMetaDto;
+}