feat: persistent memories (#8330)

* feat: persistent memories

* refactor: use new add/remove asset utility

server/src/services/memory.service.ts

@@ -0,0 +1,105 @@
+import { BadRequestException, Inject, Injectable } from '@nestjs/common';
+import { AccessCore, Permission } from 'src/cores/access.core';
+import { BulkIdResponseDto, BulkIdsDto } from 'src/dtos/asset-ids.response.dto';
+import { AuthDto } from 'src/dtos/auth.dto';
+import { MemoryCreateDto, MemoryResponseDto, MemoryUpdateDto, mapMemory } from 'src/dtos/memory.dto';
+import { AssetEntity } from 'src/entities/asset.entity';
+import { IAccessRepository } from 'src/interfaces/access.interface';
+import { IMemoryRepository } from 'src/interfaces/memory.interface';
+import { addAssets, removeAssets } from 'src/utils/asset.util';
+
+@Injectable()
+export class MemoryService {
+  private access: AccessCore;
+
+  constructor(
+    @Inject(IAccessRepository) private accessRepository: IAccessRepository,
+    @Inject(IMemoryRepository) private repository: IMemoryRepository,
+  ) {
+    this.access = AccessCore.create(accessRepository);
+  }
+
+  async search(auth: AuthDto) {
+    const memories = await this.repository.search(auth.user.id);
+    return memories.map((memory) => mapMemory(memory));
+  }
+
+  async get(auth: AuthDto, id: string): Promise<MemoryResponseDto> {
+    await this.access.requirePermission(auth, Permission.MEMORY_READ, id);
+    const memory = await this.findOrFail(id);
+    return mapMemory(memory);
+  }
+
+  async create(auth: AuthDto, dto: MemoryCreateDto) {
+    // TODO validate type/data combination
+
+    const assetIds = dto.assetIds || [];
+    const allowedAssetIds = await this.access.checkAccess(auth, Permission.ASSET_SHARE, assetIds);
+    const memory = await this.repository.create({
+      ownerId: auth.user.id,
+      type: dto.type,
+      data: dto.data,
+      isSaved: dto.isSaved,
+      memoryAt: dto.memoryAt,
+      seenAt: dto.seenAt,
+      assets: [...allowedAssetIds].map((id) => ({ id }) as AssetEntity),
+    });
+
+    return mapMemory(memory);
+  }
+
+  async update(auth: AuthDto, id: string, dto: MemoryUpdateDto): Promise<MemoryResponseDto> {
+    await this.access.requirePermission(auth, Permission.MEMORY_WRITE, id);
+
+    const memory = await this.repository.update({
+      id,
+      isSaved: dto.isSaved,
+      memoryAt: dto.memoryAt,
+      seenAt: dto.seenAt,
+    });
+
+    return mapMemory(memory);
+  }
+
+  async remove(auth: AuthDto, id: string): Promise<void> {
+    await this.access.requirePermission(auth, Permission.MEMORY_DELETE, id);
+    await this.repository.delete(id);
+  }
+
+  async addAssets(auth: AuthDto, id: string, dto: BulkIdsDto): Promise<BulkIdResponseDto[]> {
+    await this.access.requirePermission(auth, Permission.MEMORY_READ, id);
+
+    const repos = { accessRepository: this.accessRepository, repository: this.repository };
+    const results = await addAssets(auth, repos, { id, assetIds: dto.ids });
+
+    const hasSuccess = results.find(({ success }) => success);
+    if (hasSuccess) {
+      await this.repository.update({ id, updatedAt: new Date() });
+    }
+
+    return results;
+  }
+
+  async removeAssets(auth: AuthDto, id: string, dto: BulkIdsDto): Promise<BulkIdResponseDto[]> {
+    await this.access.requirePermission(auth, Permission.MEMORY_WRITE, id);
+
+    const repos = { accessRepository: this.accessRepository, repository: this.repository };
+    const permissions = [Permission.ASSET_SHARE];
+    const results = await removeAssets(auth, repos, { id, assetIds: dto.ids, permissions });
+
+    const hasSuccess = results.find(({ success }) => success);
+    if (hasSuccess) {
+      await this.repository.update({ id, updatedAt: new Date() });
+    }
+
+    return results;
+  }
+
+  private async findOrFail(id: string) {
+    const memory = await this.repository.get(id);
+    if (!memory) {
+      throw new BadRequestException('Memory not found');
+    }
+    return memory;
+  }
+}