feat: persistent memories (#8330)

* feat: persistent memories

* refactor: use new add/remove asset utility

server/src/dtos/memory.dto.ts

@@ -0,0 +1,84 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { Type } from 'class-transformer';
+import { IsEnum, IsInt, IsObject, IsPositive, ValidateNested } from 'class-validator';
+import { AssetResponseDto, mapAsset } from 'src/dtos/asset-response.dto';
+import { MemoryEntity, MemoryType } from 'src/entities/memory.entity';
+import { ValidateBoolean, ValidateDate, ValidateUUID } from 'src/validation';
+
+class MemoryBaseDto {
+  @ValidateBoolean({ optional: true })
+  isSaved?: boolean;
+
+  @ValidateDate({ optional: true })
+  seenAt?: Date;
+}
+
+class OnThisDayDto {
+  @IsInt()
+  @IsPositive()
+  year!: number;
+}
+
+type MemoryData = OnThisDayDto;
+
+export class MemoryUpdateDto extends MemoryBaseDto {
+  @ValidateDate({ optional: true })
+  memoryAt?: Date;
+}
+
+export class MemoryCreateDto extends MemoryBaseDto {
+  @IsEnum(MemoryType)
+  @ApiProperty({ enum: MemoryType, enumName: 'MemoryType' })
+  type!: MemoryType;
+
+  @IsObject()
+  @ValidateNested()
+  @Type((options) => {
+    switch (options?.object.type) {
+      case MemoryType.ON_THIS_DAY: {
+        return OnThisDayDto;
+      }
+
+      default: {
+        return Object;
+      }
+    }
+  })
+  data!: MemoryData;
+
+  @ValidateDate()
+  memoryAt!: Date;
+
+  @ValidateUUID({ optional: true, each: true })
+  assetIds?: string[];
+}
+
+export class MemoryResponseDto {
+  id!: string;
+  createdAt!: Date;
+  updatedAt!: Date;
+  deletedAt?: Date;
+  memoryAt!: Date;
+  seenAt?: Date;
+  ownerId!: string;
+  type!: MemoryType;
+  data!: MemoryData;
+  isSaved!: boolean;
+  assets!: AssetResponseDto[];
+}
+
+export const mapMemory = (entity: MemoryEntity): MemoryResponseDto => {
+  return {
+    id: entity.id,
+    createdAt: entity.createdAt,
+    updatedAt: entity.updatedAt,
+    deletedAt: entity.deletedAt,
+    memoryAt: entity.memoryAt,
+    seenAt: entity.seenAt,
+    ownerId: entity.ownerId,
+    type: entity.type,
+    data: entity.data,
+    isSaved: entity.isSaved,
+    assets: entity.assets.map((asset) => mapAsset(asset)),
+  };
+};