add meili search

package.json

@@ -30,6 +30,7 @@
     "class-validator": "^0.14.2",
     "deepmerge": "^4.3.1",
     "lodash": "^4.17.21",
+    "meilisearch": "^0.50.0",
     "mysql2": "^3.14.1",
     "reflect-metadata": "^0.1.13",
     "rimraf": "^5.0.1",

pnpm-lock.yaml

@@ -35,6 +35,9 @@ importers:
       lodash:
         specifier: ^4.17.21
         version: 4.17.21
+      meilisearch:
+        specifier: ^0.50.0
+        version: 0.50.0
       mysql2:
         specifier: ^3.14.1
         version: 3.14.1
@@ -2744,6 +2747,9 @@ packages:
     resolution: {integrity: sha512-dq+qelQ9akHpcOl/gUVRTxVIOkAJ1wR3QAvb4RsVjS8oVoFjDGTc679wJYmUmknUF5HwMLOgb5O+a3KxfWapPQ==}
     engines: {node: '>= 0.6'}
 
+  meilisearch@0.50.0:
+    resolution: {integrity: sha512-9IzIkobvnuS18Eg4dq/eJB9W+eXqeLZjNRgq/kKMswSmVYYSQsXqGgSuCA0JkF+o5RwJlwIsieQee6rh313VhA==}
+
   memfs@3.5.3:
     resolution: {integrity: sha512-UERzLsxzllchadvbPs5aolHh65ISpKpM+ccLbOJ8/vvpBKmAWf+la7dXFy7Mr0ySHbdHrFv5kGFCUHHe6GFEmw==}
     engines: {node: '>= 4.0.0'}
@@ -7316,6 +7322,8 @@ snapshots:
   media-typer@0.3.0:
     optional: true
 
+  meilisearch@0.50.0: {}
+
   memfs@3.5.3:
     dependencies:
       fs-monkey: 1.0.6

src/app.module.ts

@@ -4,7 +4,10 @@ import { APP_FILTER, APP_INTERCEPTOR, APP_PIPE } from '@nestjs/core';
 
 import { AppInterceptor } from '@/modules/core/providers/app.interceptor';
 
-import { database } from './config';
+import { MEILI_CONFIG } from '@/modules/meilisearch/meili.config';
+import { MeiliModule } from '@/modules/meilisearch/meili.module';
+
+import { content, database } from './config';
 
 import { DEFAULT_VALIDATION_CONFIG } from './modules/content/constants';
 import { ContentModule } from './modules/content/content.module';
@@ -14,7 +17,12 @@ import { AppPipe } from './modules/core/providers/app.pipe';
 import { DatabaseModule } from './modules/database/database.module';
 
 @Module({
-    imports: [ContentModule, CoreModule.forRoot(), DatabaseModule.forRoot(database)],
+    imports: [
+        ContentModule.forRoot(content),
+        CoreModule.forRoot(),
+        DatabaseModule.forRoot(database),
+        MeiliModule.forRoot(MEILI_CONFIG),
+    ],
     providers: [
         {
             provide: APP_PIPE,

src/config/content.config.ts

@@ -0,0 +1,5 @@
+import { ContentConfig } from '@/modules/content/types';
+
+export const content = (): ContentConfig => ({
+    SearchType: 'meili',
+});

src/config/index.ts

@@ -1 +1,2 @@
 export * from './database.config';
+export * from './content.config';

src/modules/content/content.module.ts

@@ -1,4 +1,4 @@
-import { Module } from '@nestjs/common';
+import { DynamicModule, Module, ModuleMetadata } from '@nestjs/common';
 
 import { TypeOrmModule } from '@nestjs/typeorm';
 
@@ -6,21 +6,68 @@ import * as controllers from '@/modules/content/controllers';
 import * as entities from '@/modules/content/entities';
 import * as repositories from '@/modules/content/repositories';
 import * as services from '@/modules/content/services';
+import { SearchService } from '@/modules/content/services';
 import { SanitizeService } from '@/modules/content/services/SanitizeService';
 
+import { PostService } from '@/modules/content/services/post.service';
 import { PostSubscriber } from '@/modules/content/subscribers/post.subscriber';
+import { ContentConfig } from '@/modules/content/types';
 import { DatabaseModule } from '@/modules/database/database.module';
 
-@Module({
-    imports: [
-        TypeOrmModule.forFeature(Object.values(entities)),
-        DatabaseModule.forRepository(Object.values(repositories)),
-    ],
-    controllers: Object.values(controllers),
-    providers: [...Object.values(services), PostSubscriber, SanitizeService],
-    exports: [
-        ...Object.values(services),
-        DatabaseModule.forRepository(Object.values(repositories)),
-    ],
-})
-export class ContentModule {}
+@Module({})
+export class ContentModule {
+    static forRoot(configRegister?: () => ContentConfig): DynamicModule {
+        const config: Required<ContentConfig> = {
+            SearchType: 'mysql',
+            ...(configRegister ? configRegister() : {}),
+        };
+        const providers: ModuleMetadata['providers'] = [
+            ...Object.values(services),
+            SanitizeService,
+            PostSubscriber,
+            {
+                provide: PostService,
+                inject: [
+                    repositories.PostRepository,
+                    repositories.CategoryRepository,
+                    repositories.TagRepository,
+                    services.CategoryService,
+                    { token: services.SearchService, optional: true },
+                ],
+                useFactory(
+                    postRepository: repositories.PostRepository,
+                    categoryRepository: repositories.CategoryRepository,
+                    tagRepository: repositories.TagRepository,
+                    categoryService: services.CategoryService,
+                    searchService: SearchService,
+                ) {
+                    return new PostService(
+                        postRepository,
+                        categoryRepository,
+                        categoryService,
+                        tagRepository,
+                        searchService,
+                        config.SearchType,
+                    );
+                },
+            },
+        ];
+        if (config.SearchType === 'meili') {
+            providers.push(services.SearchService);
+        }
+        return {
+            module: ContentModule,
+            imports: [
+                TypeOrmModule.forFeature(Object.values(entities)),
+                DatabaseModule.forRepository(Object.values(repositories)),
+            ],
+            controllers: Object.values(controllers),
+            providers,
+            exports: [
+                ...Object.values(services),
+                PostService,
+                DatabaseModule.forRepository(Object.values(repositories)),
+            ],
+        };
+    }
+}

src/modules/content/controllers/comment.controller.ts

@@ -1,16 +1,11 @@
-import {
-    Body,
-    Controller,
-    Delete,
-    Get,
-    Param,
-    ParseUUIDPipe,
-    Post,
-    Query,
-    SerializeOptions,
-} from '@nestjs/common';
+import { Body, Controller, Delete, Get, Post, Query, SerializeOptions } from '@nestjs/common';
 
-import { CreateCommentDto, QueryCommentDto, QueryCommentTreeDto } from '../dtos/comment.dto';
+import {
+    CreateCommentDto,
+    DeleteCommentDto,
+    QueryCommentDto,
+    QueryCommentTreeDto,
+} from '../dtos/comment.dto';
 import { CommentService } from '../services';
 
 @Controller('comment')
@@ -38,9 +33,9 @@ export class CommentController {
         return this.service.create(data);
     }
 
-    @Delete(':id')
+    @Delete()
     @SerializeOptions({ groups: ['comment-detail'] })
-    async delete(@Param('id', new ParseUUIDPipe()) id: string) {
-        return this.service.delete(id);
+    async delete(@Body() data: DeleteCommentDto) {
+        return this.service.delete(data.ids);
     }
 }

src/modules/content/controllers/post.controller.ts

@@ -14,6 +14,8 @@ import {
 import { CreatePostDto, QueryPostDto, UpdatePostDto } from '@/modules/content/dtos/post.dto';
 import { PostService } from '@/modules/content/services/post.service';
 
+import { DeleteWithTrashDto, RestoreDto } from '../dtos/delete.with.trash.dto';
+
 @Controller('posts')
 export class PostController {
     constructor(private postService: PostService) {}
@@ -51,9 +53,18 @@ export class PostController {
         return this.postService.update(data);
     }
 
-    @Delete(':id')
+    @Delete()
     @SerializeOptions({ groups: ['post-detail'] })
-    async delete(@Param('id', new ParseUUIDPipe()) id: string) {
-        return this.postService.delete(id);
+    async delete(@Body() data: DeleteWithTrashDto) {
+        return this.postService.delete(data.ids, data.trash);
+    }
+
+    @Patch('restore')
+    @SerializeOptions({ groups: ['post-detail'] })
+    async restore(
+        @Body()
+        data: RestoreDto,
+    ) {
+        return this.postService.restore(data.ids);
     }
 }

src/modules/content/controllers/tag.controller.ts

@@ -11,6 +11,8 @@ import {
     SerializeOptions,
 } from '@nestjs/common';
 
+import { DeleteDto } from '@/modules/content/dtos/delete.dto';
+
 import { CreateTagDto, QueryTagDto, UpdateTagDto } from '../dtos/tag.dto';
 import { TagService } from '../services';
 
@@ -51,9 +53,9 @@ export class TagController {
         return this.service.update(date);
     }
 
-    @Delete(':id')
+    @Delete()
     @SerializeOptions({})
-    async delete(@Param('id', new ParseUUIDPipe()) id: string) {
-        return this.service.delete(id);
+    async delete(@Body() data: DeleteDto) {
+        return this.service.delete(data.ids);
     }
 }

src/modules/content/dtos/comment.dto.ts

@@ -46,13 +46,13 @@ export class QueryCommentTreeDto extends PickType(QueryCommentDto, ['post']) {}
 
 @DtoValidation()
 export class CreateCommentDto {
-    @MaxLength(1000, { message: '' })
-    @IsNotEmpty({ message: '' })
+    @MaxLength(1000, { message: 'The length of the comment content cannot exceed $constraint1' })
+    @IsNotEmpty({ message: 'Comment content cannot be empty' })
     body: string;
 
     @IsDataExist(PostEntity, { message: 'The post does not exist' })
     @IsUUID(undefined, { message: 'The ID format is incorrect' })
-    @IsDefined({ message: 'The ID must be specified' })
+    @IsDefined({ message: 'The post ID must be specified' })
     post: string;
 
     @IsDataExist(CommentEntity, { message: 'The parent comment does not exist' })
@@ -62,3 +62,11 @@ export class CreateCommentDto {
     @Transform(({ value }) => (value === 'null' ? null : value))
     parent?: string;
 }
+
+@DtoValidation()
+export class DeleteCommentDto {
+    @IsDataExist(CommentEntity)
+    @IsUUID(undefined, { each: true, always: true, message: 'The ID format is incorrect' })
+    @IsDefined({ each: true, message: 'The ID must be specified' })
+    ids: string[];
+}

src/modules/content/dtos/delete.dto.ts

@@ -0,0 +1,10 @@
+import { IsUUID, IsDefined } from 'class-validator';
+
+import { DtoValidation } from '@/modules/core/decorator/dto.validation.decorator';
+
+@DtoValidation()
+export class DeleteDto {
+    @IsUUID(undefined, { each: true, always: true, message: 'The ID format is incorrect' })
+    @IsDefined({ each: true, message: 'The ID must be specified' })
+    ids: string[];
+}

src/modules/content/dtos/delete.with.trash.dto.ts

@@ -0,0 +1,19 @@
+import { Transform } from 'class-transformer';
+
+import { IsBoolean, IsDefined, IsOptional, IsUUID } from 'class-validator';
+import { toBoolean } from 'validator';
+
+import { DeleteDto } from './delete.dto';
+
+export class DeleteWithTrashDto extends DeleteDto {
+    @Transform(({ value }) => toBoolean(value))
+    @IsBoolean()
+    @IsOptional()
+    trash?: boolean;
+}
+
+export class RestoreDto {
+    @IsUUID(undefined, { each: true, always: true, message: 'The ID format is incorrect' })
+    @IsDefined({ each: true, message: 'The ID must be specified' })
+    ids: string[];
+}

src/modules/content/dtos/post.dto.ts

@@ -19,6 +19,7 @@ import { isNil, toNumber } from 'lodash';
 import { PostOrder } from '@/modules/content/constants';
 import { DtoValidation } from '@/modules/core/decorator/dto.validation.decorator';
 import { toBoolean } from '@/modules/core/helpers';
+import { SelectTrashMode } from '@/modules/database/constants';
 import { IsDataExist } from '@/modules/database/constraints/data.exist.constraint';
 import { PaginateOptions } from '@/modules/database/types';
 
@@ -31,11 +32,14 @@ export class QueryPostDto implements PaginateOptions {
     @IsOptional()
     isPublished?: boolean;
 
+    @IsOptional()
+    search?: string;
+
     @IsEnum(PostOrder, {
         message: `The sorting rule must be one of ${Object.values(PostOrder).join(',')}`,
     })
     @IsOptional()
-    orderBy: PostOrder;
+    orderBy?: PostOrder;
 
     @Transform(({ value }) => toNumber(value))
     @Min(1, { always: true, message: 'The current page must be greater than 1.' })
@@ -52,6 +56,10 @@ export class QueryPostDto implements PaginateOptions {
     @IsOptional()
     limit = 10;
 
+    @IsEnum(SelectTrashMode)
+    @IsOptional()
+    trashed?: SelectTrashMode;
+
     @IsDataExist(CategoryEntity, { always: true, message: 'The category does not exist' })
     @IsUUID(undefined, { message: 'The ID format is incorrect' })
     @IsOptional()

src/modules/content/entities/post.entity.ts

@@ -3,6 +3,7 @@ import {
     BaseEntity,
     Column,
     CreateDateColumn,
+    DeleteDateColumn,
     Entity,
     JoinTable,
     ManyToMany,
@@ -64,6 +65,11 @@ export class PostEntity extends BaseEntity {
     @UpdateDateColumn({ comment: '更新时间', nullable: true })
     updatedAt?: Date;
 
+    @Expose()
+    @Type(() => Date)
+    @DeleteDateColumn({ comment: '删除时间' })
+    deleteAt: Date;
+
     @Expose()
     commentCount: number;
 
@@ -76,7 +82,7 @@ export class PostEntity extends BaseEntity {
 
     @Expose()
     @Type(() => TagEntity)
-    @ManyToMany(() => TagEntity, (tag) => tag.posts, { cascade: true })
+    @ManyToMany(() => TagEntity, (tag) => tag.posts, { cascade: ['insert', 'update', 'remove'] })
     @JoinTable()
     tags: Relation<TagEntity>[];
 

src/modules/content/repositories/category.repository.ts

@@ -1,4 +1,4 @@
-import { pick, unset } from 'lodash';
+import { isNil, pick, unset } from 'lodash';
 import { FindOptionsUtils, FindTreeOptions, TreeRepository, TreeRepositoryUtils } from 'typeorm';
 
 import { CategoryEntity } from '@/modules/content/entities/category.entity';
@@ -111,4 +111,17 @@ export class CategoryRepository extends TreeRepository<CategoryEntity> {
         }
         return data as CategoryEntity[];
     }
+
+    async flatAncestorsTree(item: CategoryEntity) {
+        let data: Omit<CategoryEntity, 'children'>[] = [];
+        const category = await this.findAncestorsTree(item);
+        const { parent } = category;
+        unset(category, 'children');
+        unset(category, 'item');
+        data.push(item);
+        if (!isNil(parent)) {
+            data = [...(await this.flatAncestorsTree(parent)), ...data];
+        }
+        return data as CategoryEntity[];
+    }
 }

src/modules/content/services/comment.service.ts

@@ -2,7 +2,7 @@ import { ForbiddenException, Injectable } from '@nestjs/common';
 
 import { isNil } from 'lodash';
 
-import { EntityNotFoundError, SelectQueryBuilder } from 'typeorm';
+import { EntityNotFoundError, In, SelectQueryBuilder } from 'typeorm';
 
 import {
     CreateCommentDto,
@@ -63,9 +63,9 @@ export class CommentService {
         });
     }
 
-    async delete(id: string) {
-        const comment = await this.repository.findOneOrFail({ where: { id: id ?? null } });
-        return this.repository.remove(comment);
+    async delete(ids: string[]) {
+        const comments = await this.repository.find({ where: { id: In(ids) } });
+        return this.repository.remove(comments);
     }
 
     protected async getPost(id: string) {

src/modules/content/services/index.ts

@@ -1,4 +1,4 @@
 export * from './category.service';
 export * from './tag.service';
-export * from './post.service';
 export * from './comment.service';
+export * from './search.service';

src/modules/content/services/post.service.ts

@@ -1,7 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { isNil } from '@nestjs/common/utils/shared.utils';
 
-import { isArray, isFunction, omit } from 'lodash';
+import { isArray, isFunction, omit, pick } from 'lodash';
 import { EntityNotFoundError, In, IsNull, Not, SelectQueryBuilder } from 'typeorm';
 
 import { PostOrder } from '@/modules/content/constants';
@@ -9,6 +9,9 @@ import { CreatePostDto, QueryPostDto, UpdatePostDto } from '@/modules/content/dt
 import { PostEntity } from '@/modules/content/entities/post.entity';
 import { CategoryRepository } from '@/modules/content/repositories';
 import { PostRepository } from '@/modules/content/repositories/post.repository';
+import { SearchService } from '@/modules/content/services/search.service';
+import { SearchType } from '@/modules/content/types';
+import { SelectTrashMode } from '@/modules/database/constants';
 import { QueryHook } from '@/modules/database/types';
 import { paginate } from '@/modules/database/utils';
 
@@ -27,9 +30,17 @@ export class PostService {
         protected categoryRepository: CategoryRepository,
         protected categoryService: CategoryService,
         protected tagRepository: TagRepository,
+        protected searchService?: SearchService,
+        protected searchType: SearchType = 'mysql',
     ) {}
 
     async paginate(options: QueryPostDto, callback?: QueryHook<PostEntity>) {
+        if (!isNil(this.searchService) && !isNil(options.search) && this.searchType === 'meili') {
+            return this.searchService.search(
+                options.search,
+                pick(options, ['trashed', 'page', 'limit']),
+            );
+        }
         const qb = await this.buildListQuery(this.repository.buildBaseQB(), options, callback);
         return paginate(qb, options);
     }
@@ -59,7 +70,11 @@ export class PostService {
             publishedAt,
         };
         const item = await this.repository.save(createPostDto);
-        return this.detail(item.id);
+        const result = await this.detail(item.id);
+        if (!isNil(this.searchService)) {
+            await this.searchService.create(result);
+        }
+        return result;
     }
 
     async update(data: UpdatePostDto) {
@@ -85,12 +100,57 @@ export class PostService {
             ...omit(data, ['id', 'publish', 'tags', 'category']),
             publishedAt,
         });
-        return this.detail(data.id);
+        const result = await this.detail(data.id);
+        if (!isNil(this.searchService)) {
+            await this.searchService.update([result]);
+        }
+        return result;
     }
 
-    async delete(id: string) {
-        const item = await this.repository.findOneByOrFail({ id });
-        return this.repository.remove(item);
+    async delete(ids: string[], trash?: boolean) {
+        const items = await this.repository
+            .buildBaseQB()
+            .where('post.id IN (:...ids)', { ids })
+            .withDeleted()
+            .getMany();
+        let result: PostEntity[];
+        if (trash) {
+            const directs = items.filter((item) => !isNil(item.deleteAt));
+            const softs = items.filter((item) => isNil(item.deleteAt));
+            result = [
+                ...(await this.repository.remove(directs)),
+                ...(await this.repository.softRemove(softs)),
+            ];
+            if (!isNil(this.searchService)) {
+                await this.searchService.delete(directs.map((item) => item.id));
+                await this.searchService.update(softs);
+            }
+        } else {
+            result = await this.repository.remove(items);
+            if (!isNil(this.searchService)) {
+                await this.searchService.delete(ids);
+            }
+        }
+        return result;
+    }
+
+    async restore(ids: string[]) {
+        const items = await this.repository
+            .buildBaseQB()
+            .where('post.id IN (:...ids)', { ids })
+            .withDeleted()
+            .getMany();
+        const trashes = items.filter((item) => !isNil(item.deleteAt));
+        await this.searchService.update(trashes);
+        const trashedIds = trashes.map((item) => item.id);
+        if (trashedIds.length < 1) {
+            return [];
+        }
+        await this.repository.restore(trashedIds);
+        const qb = await this.buildListQuery(this.repository.buildBaseQB(), {}, async (qbuilder) =>
+            qbuilder.andWhereInIds(trashedIds),
+        );
+        return qb.getMany();
     }
 
     protected async buildListQuery(
@@ -98,12 +158,21 @@ export class PostService {
         options: FindParams,
         callback?: QueryHook<PostEntity>,
     ) {
-        const { orderBy, isPublished, category, tag } = options;
+        const { orderBy, isPublished, category, tag, trashed, search } = options;
         if (typeof isPublished === 'boolean') {
             isPublished
                 ? qb.where({ publishedAt: Not(IsNull()) })
                 : qb.where({ publishedAt: IsNull() });
         }
+        if (!isNil(search)) {
+            this.buildSearchQuery(qb, search);
+        }
+        if (trashed === SelectTrashMode.ALL || trashed === SelectTrashMode.ONLY) {
+            qb.withDeleted();
+            if (trashed === SelectTrashMode.ONLY) {
+                qb.where('post.deletedAt is not null');
+            }
+        }
         this.queryOrderBy(qb, orderBy);
         if (category) {
             await this.queryByCategory(category, qb);
@@ -117,6 +186,15 @@ export class PostService {
         return qb;
     }
 
+    protected buildSearchQuery(qb: SelectQueryBuilder<PostEntity>, search: string) {
+        qb.orWhere('title LIKE :search', { search: `%${search}%` })
+            .orWhere('summary LIKE :search', { search: `%${search}%` })
+            .orWhere('body LIKE :search', { search: `%${search}%` })
+            .orWhere('category.name LIKE :search', { search: `%${search}%` })
+            .orWhere('tags.name LIKE :search', { search: `%${search}%` });
+        return qb;
+    }
+
     protected queryOrderBy(qb: SelectQueryBuilder<PostEntity>, orderBy?: PostOrder) {
         switch (orderBy) {
             case PostOrder.CREATED:

src/modules/content/services/search.service.ts

@@ -0,0 +1,95 @@
+import { ForbiddenException, Injectable, OnModuleInit } from '@nestjs/common';
+import { isNil, omit } from 'lodash';
+import { MeiliSearch } from 'meilisearch';
+
+import { PostEntity } from '@/modules/content/entities';
+import {
+    CategoryRepository,
+    CommentRepository,
+    PostRepository,
+} from '@/modules/content/repositories';
+import { SearchOption } from '@/modules/content/types';
+import { getSearchData, getSearchItem } from '@/modules/content/utils';
+import { SelectTrashMode } from '@/modules/database/constants';
+import { MeiliService } from '@/modules/meilisearch/meili.service';
+
+@Injectable()
+export class SearchService implements OnModuleInit {
+    private index = 'content';
+
+    protected client: MeiliSearch;
+
+    constructor(
+        protected meiliService: MeiliService,
+        protected categoryRepository: CategoryRepository,
+        protected commentRepository: CommentRepository,
+        protected postRepository: PostRepository,
+    ) {
+        this.client = this.meiliService.getClient();
+    }
+
+    async onModuleInit(): Promise<any> {
+        await this.client.deleteIndex(this.index);
+        this.client.index(this.index).updateFilterableAttributes(['deletedAt', 'publishedAt']);
+        this.client.index(this.index).updateSortableAttributes(['updatedAt', 'commentCount']);
+        const posts = await this.postRepository.buildBaseQB().withDeleted().getMany();
+        await this.client
+            .index(this.index)
+            .addDocuments(
+                await getSearchData(posts, this.categoryRepository, this.commentRepository),
+            );
+    }
+
+    getClient() {
+        if (isNil(this.client)) {
+            throw new ForbiddenException('Has no meili search client!');
+        }
+        return this.client;
+    }
+
+    async search(text: string, param: SearchOption = {}) {
+        const option = { page: 1, limit: 10, trashed: SelectTrashMode.ONLY, ...param };
+        const limit = isNil(option.limit) || option.limit < 1 ? 1 : option.limit;
+        const page = isNil(option.page) || option.page < 1 ? 1 : option.page;
+        let filter = ['deletedAt IS NULL'];
+        if (option.trashed === SelectTrashMode.ALL) {
+            filter = [];
+        } else if (option.trashed === SelectTrashMode.ONLY) {
+            filter = ['deletedAt IS NOT NULL'];
+        }
+        if (option.isPublished) {
+            filter.push('publishedAt IS NOT NULL');
+        }
+        const result = await this.client
+            .index(this.index)
+            .search(text, { page, limit, sort: ['updatedAt:desc', 'commentCount:desc'], filter });
+        return {
+            item: result.hits,
+            currentPage: result.page,
+            perPage: result.hitsPerPage,
+            totalItems: result.estimatedTotalHits,
+            itemCount: result.totalHits,
+            ...omit(result, ['hits', 'page', 'hitsPerPage', 'estimatedTotalHits', 'totalHits']),
+        };
+    }
+
+    async create(post: PostEntity) {
+        return this.getClient()
+            .index(this.index)
+            .addDocuments(
+                await getSearchItem(this.categoryRepository, this.commentRepository, post),
+            );
+    }
+
+    async update(posts: PostEntity[]) {
+        return this.getClient()
+            .index(this.index)
+            .updateDocuments(
+                await getSearchData(posts, this.categoryRepository, this.commentRepository),
+            );
+    }
+
+    async delete(ids: string[]) {
+        return this.getClient().index(this.index).deleteDocuments(ids);
+    }
+}

src/modules/content/services/tag.service.ts

@@ -1,6 +1,8 @@
 import { Injectable } from '@nestjs/common';
 import { omit } from 'lodash';
 
+import { In } from 'typeorm';
+
 import { CreateTagDto, QueryTagDto, UpdateTagDto } from '@/modules/content/dtos/tag.dto';
 import { TagRepository } from '@/modules/content/repositories/tag.repository';
 import { paginate } from '@/modules/database/utils';
@@ -30,8 +32,10 @@ export class TagService {
         return this.detail(data.id);
     }
 
-    async delete(id: string) {
-        const item = await this.repository.findOneByOrFail({ id });
-        return this.repository.remove(item);
+    async delete(ids: string[]) {
+        const items = await this.repository.find({
+            where: { id: In(ids) },
+        });
+        return this.repository.remove(items);
     }
 }

src/modules/content/types.ts

@@ -0,0 +1,14 @@
+import { SelectTrashMode } from '@/modules/database/constants';
+
+export type SearchType = 'mysql' | 'meili';
+
+export interface ContentConfig {
+    SearchType?: SearchType;
+}
+
+export interface SearchOption {
+    trashed?: SelectTrashMode;
+    isPublished?: boolean;
+    page?: number;
+    limit?: number;
+}

src/modules/content/utils.ts

@@ -0,0 +1,53 @@
+import { instanceToPlain } from 'class-transformer';
+import { isNil, pick } from 'lodash';
+
+import { PostEntity } from '@/modules/content/entities';
+import { CategoryRepository, CommentRepository } from '@/modules/content/repositories';
+
+export async function getSearchItem(
+    categoryRepository: CategoryRepository,
+    commentRepository: CommentRepository,
+    post: PostEntity,
+) {
+    const categories = isNil(post.category)
+        ? []
+        : (await categoryRepository.flatAncestorsTree(post.category)).map((item) => ({
+              id: item.id,
+              name: item.name,
+          }));
+    const comments = (
+        await commentRepository.find({
+            relations: ['post'],
+            where: { post: { id: post.id } },
+        })
+    ).map((item) => ({ id: item.id, name: item.body }));
+    return [
+        {
+            ...pick(instanceToPlain(post), [
+                'id',
+                'title',
+                'body',
+                'summary',
+                'commentCount',
+                'deleteAt',
+                'publishedAt',
+                'createdAt',
+                'updatedAt',
+            ]),
+            categories,
+            comments,
+            tags: post.tags.map((item) => ({ id: item.id, name: item.name })),
+        },
+    ];
+}
+
+export const getSearchData = async (
+    posts: PostEntity[],
+    categoryRepository: CategoryRepository,
+    commentRepository: CommentRepository,
+) =>
+    (
+        await Promise.all(
+            posts.map((post) => getSearchItem(categoryRepository, commentRepository, post)),
+        )
+    ).reduce((o, n) => [...o, ...n], []);

src/modules/database/constants.ts

@@ -1 +1,10 @@
 export const CUSTOM_REPOSITORY_METADATA = 'CUSTOM_REPOSITORY_METADATA';
+
+export enum SelectTrashMode {
+    // ALL: 包含已软删除和未软删除的数据（同时查询正常数据和回收站中的数据）
+    ALL = 'all',
+    // ONLY: 只包含软删除的数据 （只查询回收站中的数据）
+    ONLY = 'only',
+    // NONE: 只包含未软删除的数据 （只查询正常数据）
+    NONE = 'none',
+}

src/modules/database/constraints/data.exist.constraint.ts

@@ -6,6 +6,7 @@ import {
     ValidationOptions,
     registerDecorator,
 } from 'class-validator';
+import { isArray, isNil } from 'lodash';
 import { ObjectType, Repository, DataSource } from 'typeorm';
 
 type Condition = {
@@ -18,9 +19,11 @@ type Condition = {
 export class DataExistConstraint implements ValidatorConstraintInterface {
     constructor(private dataSource: DataSource) {}
 
+    errorValues: any[] = [];
+
     async validate(value: any, validationArguments?: ValidationArguments) {
         let repo: Repository<any>;
-        if (!value) {
+        if (isNil(value)) {
             return true;
         }
         let map = 'id';
@@ -30,6 +33,22 @@ export class DataExistConstraint implements ValidatorConstraintInterface {
         } else {
             repo = this.dataSource.getRepository(validationArguments.constraints[0]);
         }
+        if (isArray(value)) {
+            const values = value as any[];
+            const validationResults = await Promise.all(
+                values.map(async (val) => {
+                    if (isNil(val)) {
+                        return false;
+                    }
+                    const item = await repo.findOne({ where: { [map]: val } });
+                    if (isNil(item)) {
+                        this.errorValues.push(val);
+                    }
+                    return !isNil(item);
+                }),
+            );
+            return validationResults.every((isValid) => isValid);
+        }
         const item = await repo.findOne({ where: { [map]: value } });
         return !!item;
     }
@@ -37,6 +56,11 @@ export class DataExistConstraint implements ValidatorConstraintInterface {
         if (!validationArguments.constraints[0]) {
             return 'Model not been specified!';
         }
+        if (this.errorValues.length > 0) {
+            return `All instance of ${
+                validationArguments.constraints[0].name
+            } must been exists in databse!Errors are ${this.errorValues.join(',')}`;
+        }
         return `All instance of ${validationArguments.constraints[0].name} must been exists in databse!`;
     }
 }

src/modules/meilisearch/meili.config.ts

@@ -0,0 +1,9 @@
+import { MeiliConfig } from '@/modules/meilisearch/types';
+
+export const MEILI_CONFIG = (): MeiliConfig => [
+    {
+        name: 'default',
+        host: 'http://localhost:7700',
+        apiKey: 'masterKey',
+    },
+];

src/modules/meilisearch/meili.module.ts

@@ -0,0 +1,28 @@
+import { DynamicModule, Module } from '@nestjs/common';
+
+import { MeiliService } from '@/modules/meilisearch/meili.service';
+import { MeiliConfig } from '@/modules/meilisearch/types';
+import { createMeiliOptions } from '@/modules/meilisearch/utils';
+
+@Module({})
+export class MeiliModule {
+    static forRoot(configRegister: () => MeiliConfig): DynamicModule {
+        return {
+            global: true,
+            module: MeiliModule,
+            providers: [
+                {
+                    provide: MeiliService,
+                    useFactory: async () => {
+                        const service = new MeiliService(
+                            await createMeiliOptions(configRegister()),
+                        );
+                        await service.createClients();
+                        return service;
+                    },
+                },
+            ],
+            exports: [MeiliService],
+        };
+    }
+}

src/modules/meilisearch/meili.service.ts

@@ -0,0 +1,42 @@
+import { Injectable } from '@nestjs/common';
+
+import { isNil } from 'lodash';
+import { MeiliSearch } from 'meilisearch';
+
+import { MeiliConfig } from '@/modules/meilisearch/types';
+
+@Injectable()
+export class MeiliService {
+    protected options: MeiliConfig;
+
+    protected clients: Map<string, MeiliSearch> = new Map();
+
+    constructor(options: MeiliConfig) {
+        this.options = options;
+    }
+
+    getOptions() {
+        return this.options;
+    }
+
+    async createClients() {
+        for (const option of this.options) {
+            this.clients.set(option.name, new MeiliSearch(option));
+        }
+    }
+
+    getClient(name?: string): MeiliSearch {
+        let key = 'default';
+        if (!isNil(name)) {
+            key = name;
+        }
+        if (!this.clients.has(key)) {
+            throw new Error(`No client found for ${name}`);
+        }
+        return this.clients.get(key);
+    }
+
+    getClients(): Map<string, MeiliSearch> {
+        return this.clients;
+    }
+}

src/modules/meilisearch/types.ts

@@ -0,0 +1,5 @@
+import { Config } from 'meilisearch';
+
+export type MeiliConfig = MeiliOption[];
+
+export type MeiliOption = Config & { name: string };

src/modules/meilisearch/utils.ts

@@ -0,0 +1,18 @@
+import { MeiliConfig } from '@/modules/meilisearch/types';
+
+export const createMeiliOptions = async (config: MeiliConfig): Promise<MeiliConfig | undefined> => {
+    if (config.length < 0) {
+        return config;
+    }
+    let options: MeiliConfig = [...config];
+    const names = options.map(({ name }) => name);
+    if (!names.includes('default')) {
+        options[0].name = 'default';
+    } else if (names.filter((name) => name === 'default').length > 0) {
+        options = options.reduce(
+            (o, n) => (o.map(({ name }) => name).includes('default') ? o : [...o, n]),
+            [],
+        );
+    }
+    return options;
+};