refactor: changed functions to use pagination logic correctly

database/1783244654421-migrations.ts

@@ -0,0 +1,11 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class Migrations1783244654421 implements MigrationInterface {
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+    }
+
+}

database/migrations/1783244669371-taskmanager3.ts

@@ -0,0 +1,14 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class Taskmanager31783244669371 implements MigrationInterface {
+    name = 'Taskmanager31783244669371'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "tm_workspaces" ADD CONSTRAINT "UQ_6496168de3e6c5f006d494ebac5" UNIQUE ("name")`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "tm_workspaces" DROP CONSTRAINT "UQ_6496168de3e6c5f006d494ebac5"`);
+    }
+
+}

database/seeder.runner.ts

@@ -5,9 +5,9 @@ import { connectionSource } from "./connection";
 // import { seedCityAndProvince } from "./seeders/iran-city.seeder";
 // import { seedNotifSettings } from "./seeders/notif-setting.seeder";
 // import { seedPaymentGateways } from "./seeders/payment-gateway.seeder";
-// import { seedPermissionsAndRoles } from "./seeders/role.seeder";
-import { seedBlogCommentReplies } from "./seeders/blog-comment-reply.seeder";
-import { seedBlogComments } from "./seeders/blog-comment.seeder";
+import { seedPermissionsAndRoles } from "./seeders/role.seeder";
+// import { seedBlogCommentReplies } from "./seeders/blog-comment-reply.seeder";
+// import { seedBlogComments } from "./seeders/blog-comment.seeder";
 
 const logger = new Logger("Seeder");
 
@@ -15,14 +15,14 @@ export const runSeeder = async () => {
   await connectionSource.initialize();
   logger.log("start seeding database");
   //
-  // await seedPermissionsAndRoles(connectionSource, logger);
+  await seedPermissionsAndRoles(connectionSource, logger);
   // await seedAdmin(connectionSource, logger);
   // await seedNotifSettings(connectionSource, logger);
   // await seedPaymentGateways(connectionSource, logger);
   // await seedCityAndProvince(connectionSource, logger);
 
-  await seedBlogComments(connectionSource, logger);
-  await seedBlogCommentReplies(connectionSource, logger);
+  // await seedBlogComments(connectionSource, logger);
+  // await seedBlogCommentReplies(connectionSource, logger);
 
   logger.log("seeding completed");
   process.exit(0);

database/seeders/role.seeder.ts

@@ -1,8 +1,8 @@
 import { Logger } from "@nestjs/common";
 import { DataSource } from "typeorm";
 
-import { Permission } from "../../src/modules/users/entities/permission.entity";
-import { Role } from "../../src/modules/users/entities/role.entity";
+// import { Permission } from "../../src/modules/users/entities/permission.entity";
+// import { Role } from "../../src/modules/users/entities/role.entity";
 import { PermissionEnum } from "../../src/modules/users/enums/permission.enum";
 import { RoleEnum } from "../../src/modules/users/enums/role.enum";
 
@@ -23,8 +23,8 @@ const rolesWithPermissions: { name: RoleEnum; permissions: PermissionEnum[] }[]
 
 export const seedPermissionsAndRoles = async (dataSource: DataSource, logger: Logger) => {
   try {
-    const permissionRepo = dataSource.getRepository(Permission);
-    const roleRepo = dataSource.getRepository(Role);
+    const permissionRepo = dataSource.getRepository('Permission');
+    const roleRepo = dataSource.getRepository('Role');
 
     // Seed Permissions
     logger.log("Seeding Permissions...");

src/common/enums/message.enum.ts

@@ -917,5 +917,14 @@ export const enum AccessLogMessage {
 }
 
 export const enum WorkSpaceMessage {
-  WORKSPACE_EXISTS = "فضای کار با این اسم وجود دارد!"
+  WORKSPACE_EXISTS = "فضای کار با این اسم وجود دارد!",
+  WORKSPACE_NOT_FOUND = "فضای کار مورد نظر شما وجود ندارد!",
+  USERS_DONT_BELONG_TO_THIS_WORKSPACE = "کاربران تعیین شده برای این فضای کاری نیستند!",
+  WORKSPACE_SAME_NAME_EXISTS = "فضای کاری با این اسم از قبل وجود دارد!"
+}
+
+export const enum ProjectMessage {
+  PROJECT_EXISTS = "پروژه مورد نظر شما از قبل وجود دارد!",
+  PROJECT_NOT_FOUND = "پروژه مورد نظر شما وجود ندارد!",
+  PROJECT_CONTAINS_TASK_PHASES = "پروژه شامل فاز تسک است. لطفا ابتدا فاز تسک های این پروژه را حذف کنید."
 }

src/common/helpers/pagination.helper.ts

@@ -1,29 +0,0 @@
-import { IPageFormat } from "../interfaces/IPagination";
-
-export function buildPageFormat(
-  page: number,
-  limit: number,
-  totalItems: number,
-  baseUrl: string,
-): IPageFormat {
-  const totalPages = Math.ceil(totalItems / limit);
-
-  const prevPage =
-    page > 1
-      ? `${baseUrl}?page=${page - 1}&limit=${limit}`
-      : false;
-
-  const nextPage =
-    page < totalPages
-      ? `${baseUrl}?page=${page + 1}&limit=${limit}`
-      : false;
-
-  return {
-    page,
-    limit,
-    totalItems,
-    totalPages,
-    prevPage,
-    nextPage,
-  };
-}

src/common/interfaces/paginated-result.interface.ts

@@ -1,6 +0,0 @@
-import { IPageFormat } from "./IPagination";
-
-export interface PaginatedResult<T> {
-  data: T[];
-  meta: IPageFormat;
-}

src/modules/task-manager/controllers/project.controller.ts

@@ -1,42 +1,40 @@
-import { Controller, Get, Post, Patch, Delete, Param, Body, Query, Headers } from "@nestjs/common";
-import { ApiTags, ApiOperation, ApiResponse, ApiParam, ApiQuery } from "@nestjs/swagger";
+import { Controller, Get, Post, Patch, Delete, Param, Body, Query } from "@nestjs/common";
+import { ApiTags, ApiOperation, ApiResponse, ApiParam } from "@nestjs/swagger";
 import { ProjectService } from "../providers/project.service";
 import { CreateProjectDto } from "../dto/project/create-project.dto";
 import { UpdateProjectDto } from "../dto/project/update-project.dto";
 import { PaginationDto } from "../../../common/DTO/pagination.dto";
 import { TMProject } from "../entities/project.entity";
+import { AdminRoute } from "../../../common/decorators/admin.decorator";
+import { PermissionsDec } from "../../../common/decorators/permission.decorator";
+import { PermissionEnum } from "../../users/enums/permission.enum";
 
+@AdminRoute()
 @ApiTags("Task Manager - Projects")
 @Controller("task-manager/projects")
 export class ProjectController {
   constructor(private readonly projectService: ProjectService) {}
 
   @Get()
+  @PermissionsDec(PermissionEnum.PROJECT)
   @ApiOperation({ summary: "Get all projects, optionally filtered by workspace" })
-  @ApiQuery({ name: "workspaceId", required: false, description: "Filter projects by workspace ID" })
   @ApiResponse({ status: 200, description: "Paginated list of projects" })
-  findAll(
-    @Query() pagination: PaginationDto,
-    @Query("workspaceId") workspaceId: string,
-    @Headers("host") host: string,
-    @Headers("x-forwarded-proto") proto?: string,
-  ) {
-    const protocol = proto ?? "http";
-    const baseUrl = `${protocol}://${host}/task-manager/projects`;
-    if (workspaceId) return this.projectService.findByWorkspace(workspaceId, pagination, baseUrl);
-    return this.projectService.findAll(pagination, baseUrl);
+  findAll(@Query() pagination: PaginationDto): Promise<{ projects: TMProject[]; count: number; paginate: true }> {
+    return this.projectService.findAll(pagination);
   }
 
   @Get(":id")
+  @PermissionsDec(PermissionEnum.PROJECT)
   @ApiOperation({ summary: "Get a project by ID" })
   @ApiParam({ name: "id", description: "Project ID" })
   @ApiResponse({ status: 200, description: "Project found", type: TMProject })
   @ApiResponse({ status: 404, description: "Project not found" })
   findOne(@Param("id") id: string): Promise<TMProject> {
-    return this.projectService.findOne(id);
+    return this.projectService.findOneOrFail(id);
   }
 
   @Post()
+  @PermissionsDec(PermissionEnum.PROJECT)
   @ApiOperation({ summary: "Create a new project" })
   @ApiResponse({ status: 201, description: "Project created", type: TMProject })
   @ApiResponse({ status: 400, description: "One or more users are not members of the workspace" })
@@ -46,6 +44,7 @@ export class ProjectController {
   }
 
   @Patch(":id")
+  @PermissionsDec(PermissionEnum.PROJECT)
   @ApiOperation({ summary: "Update a project" })
   @ApiParam({ name: "id", description: "Project ID" })
   @ApiResponse({ status: 200, description: "Project updated", type: TMProject })
@@ -56,6 +55,7 @@ export class ProjectController {
   }
 
   @Delete(":id")
+  @PermissionsDec(PermissionEnum.PROJECT)
   @ApiOperation({ summary: "Delete a project" })
   @ApiParam({ name: "id", description: "Project ID" })
   @ApiResponse({ status: 200, description: "Project deleted", type: TMProject })
@@ -63,4 +63,17 @@ export class ProjectController {
   remove(@Param("id") id: string): Promise<TMProject> {
     return this.projectService.remove(id);
   }
+
+  @Get("/workspace/:wsId")
+  @PermissionsDec(PermissionEnum.PROJECT)
+  @ApiOperation({ summary: "Get projects of a specific workspace" })
+  @ApiParam({ name: "wsId", description: "Workspace ID" })
+  @ApiResponse({ status: 200, description: "received projects successfully!" })
+  @ApiResponse({ status: 404, description: "WorkSpace not found" })
+  findByWorkspace(
+    @Param("wsId") wsId: string,
+    @Query() pagination: PaginationDto,
+  ): Promise<{ projects: TMProject[]; count: number; paginate: true }> {
+    return this.projectService.findByWorkspace(wsId, pagination);
+  }
 }

src/modules/task-manager/providers/project.service.ts

@@ -1,66 +1,83 @@
-import { BadRequestException, Injectable, NotFoundException } from '@nestjs/common';
-import { InjectRepository } from '@nestjs/typeorm';
-import { In, Repository } from 'typeorm';
-import { ProjectRepository } from '../repositories/project.repository';
-import { WorkspaceRepository } from '../repositories/workspace.repository';
-import { TMProject } from '../entities/project.entity';
-import { CreateProjectDto } from '../dto/project/create-project.dto';
-import { UpdateProjectDto } from '../dto/project/update-project.dto';
-import { PaginationDto } from '../../../common/DTO/pagination.dto';
-import { PaginatedResult } from '../../../common/interfaces/paginated-result.interface';
-import { buildPageFormat } from '../../../common/helpers/pagination.helper';
-import { User } from '../../users/entities/user.entity';
+import { BadRequestException, Injectable, NotFoundException } from "@nestjs/common";
+import { InjectRepository } from "@nestjs/typeorm";
+import { In, Repository } from "typeorm";
+import { ProjectRepository } from "../repositories/project.repository";
+import { TMProject } from "../entities/project.entity";
+import { CreateProjectDto } from "../dto/project/create-project.dto";
+import { UpdateProjectDto } from "../dto/project/update-project.dto";
+import { PaginationDto } from "../../../common/DTO/pagination.dto";
+import { User } from "../../users/entities/user.entity";
+import { ProjectMessage, WorkSpaceMessage } from "../../../common/enums/message.enum";
+import { WorkspaceService } from "./workspace.service";
 
 @Injectable()
 export class ProjectService {
   constructor(
     private readonly projectRepository: ProjectRepository,
-    private readonly workspaceRepository: WorkspaceRepository,
+    private readonly workspaceService: WorkspaceService,
     @InjectRepository(User)
     private readonly userRepository: Repository<User>,
   ) {}
 
-  async findAll(pagination: PaginationDto, baseUrl: string): Promise<PaginatedResult<TMProject>> {
+  async findAll(pagination: PaginationDto): Promise<{ projects: TMProject[]; count: number; paginate: true }> {
     const page = pagination.page ?? 1;
     const limit = pagination.limit ?? 10;
     const skip = (page - 1) * limit;
 
-    const [data, totalItems] = await this.projectRepository.findAll(skip, limit);
+    const [projects, count] = await this.projectRepository.findAndCount({
+      skip: skip,
+      take: limit,
+      relations: {
+        users: true,
+      },
+      select: {
+        users: {
+          id: true,
+          firstName: true,
+          lastName: true,
+        },
+      },
+    });
 
-    return {
-      data,
-      meta: buildPageFormat(page, limit, totalItems, baseUrl),
-    };
+    return { projects, count, paginate: true };
   }
 
-  async findByWorkspace(
-    workspaceId: string,
-    pagination: PaginationDto,
-    baseUrl: string,
-  ): Promise<PaginatedResult<TMProject>> {
+  async findByWorkspace(workspaceId: string, pagination: PaginationDto): Promise<{ projects: TMProject[]; count: number; paginate: true }> {
+    await this.workspaceService.findOneOrFail(workspaceId);
+
     const page = pagination.page ?? 1;
     const limit = pagination.limit ?? 10;
     const skip = (page - 1) * limit;
 
-    const [data, totalItems] = await this.projectRepository.findByWorkspace(workspaceId, skip, limit);
+    const [projects, count] = await this.projectRepository.findAndCount({
+      where: { workspaceId },
+      relations: {
+        users: true,
+      },
+      select: {
+        users: {
+          id: true,
+          firstName: true,
+          lastName: true,
+        },
+      },
+      skip,
+      take: limit,
+    });
 
-    return {
-      data,
-      meta: buildPageFormat(page, limit, totalItems, baseUrl),
-    };
+    return { projects, count, paginate: true };
   }
 
-  async findOne(id: string): Promise<TMProject> {
-    const project = await this.projectRepository.findOneById(id);
-    if (!project) throw new NotFoundException(`Project #${id} not found`);
+  async findOneOrFail(id: string): Promise<TMProject> {
+    const project = await this.projectRepository.findOne({ where: { id } });
+    if (!project) throw new NotFoundException(ProjectMessage.PROJECT_NOT_FOUND);
     return project;
   }
 
   async create(dto: CreateProjectDto): Promise<TMProject> {
     const { userIds, startDate, ...rest } = dto;
 
-    const workspace = await this.workspaceRepository.findOneById(dto.workspaceId);
-    if (!workspace) throw new NotFoundException(`Workspace #${dto.workspaceId} not found`);
+    const workspace = await this.workspaceService.findOneOrFail(dto.workspaceId);
 
     const project = this.projectRepository.create({
       ...rest,
@@ -71,9 +88,7 @@ export class ProjectService {
       const workspaceUserIds = workspace.users.map((u) => u.id);
       const invalidUsers = userIds.filter((id) => !workspaceUserIds.includes(id));
       if (invalidUsers.length) {
-        throw new BadRequestException(
-          `Users [${invalidUsers.join(', ')}] are not members of this workspace`,
-        );
+        throw new BadRequestException(WorkSpaceMessage.USERS_DONT_BELONG_TO_THIS_WORKSPACE);
       }
       project.users = await this.userRepository.findBy({ id: In(userIds) });
     }
@@ -82,7 +97,8 @@ export class ProjectService {
   }
 
   async update(id: string, dto: UpdateProjectDto): Promise<TMProject> {
-    const project = await this.findOne(id);
+    const project = await this.findOneOrFail(id);
+
     const { userIds, startDate, ...rest } = dto;
 
     Object.assign(project, {
@@ -93,15 +109,12 @@ export class ProjectService {
     if (userIds) {
       if (userIds.length) {
         const workspaceId = dto.workspaceId ?? project.workspaceId;
-        const workspace = await this.workspaceRepository.findOneById(workspaceId);
-        if (!workspace) throw new NotFoundException(`Workspace #${workspaceId} not found`);
+        const workspace = await this.workspaceService.findOneOrFail(workspaceId);
 
         const workspaceUserIds = workspace.users.map((u) => u.id);
         const invalidUsers = userIds.filter((uid) => !workspaceUserIds.includes(uid));
         if (invalidUsers.length) {
-          throw new BadRequestException(
-            `Users [${invalidUsers.join(', ')}] are not members of this workspace`,
-          );
+          throw new BadRequestException(WorkSpaceMessage.USERS_DONT_BELONG_TO_THIS_WORKSPACE);
         }
         project.users = await this.userRepository.findBy({ id: In(userIds) });
       } else {
@@ -113,8 +126,27 @@ export class ProjectService {
   }
 
   async remove(id: string): Promise<TMProject> {
-    const project = await this.findOne(id);
+    const project = await this.projectRepository.findOne({
+      where: {
+        id,
+      },
+      relations: {
+        taskPhases: true,
+      },
+      select: {
+        taskPhases: {
+          id: true,
+        },
+      },
+    });
+
+    if(!project) throw new NotFoundException(ProjectMessage.PROJECT_NOT_FOUND);
+    
+    const taskPhases = project.taskPhases;
+    if (taskPhases !== undefined && taskPhases.length) {
+      throw new BadRequestException(ProjectMessage.PROJECT_CONTAINS_TASK_PHASES);
+    }
     await this.projectRepository.delete(id);
     return project;
   }
-}
+}

src/modules/task-manager/providers/workspace.service.ts

@@ -1,6 +1,6 @@
 import { BadRequestException, Injectable, NotFoundException } from "@nestjs/common";
 import { InjectRepository } from "@nestjs/typeorm";
-import { In, Repository } from "typeorm";
+import { In, Not, Repository } from "typeorm";
 import { WorkspaceRepository } from "../repositories/workspace.repository";
 import { TMWorkspace } from "../entities/workspace.entity";
 import { CreateWorkspaceDto } from "../dto/workspace/create-workspace.dto";
@@ -17,22 +17,20 @@ export class WorkspaceService {
   ) {}
 
   findAll(): Promise<TMWorkspace[]> {
-    return this.workspaceRepository.find({
-      relations: ["projects", "users"],
-    });
+    return this.workspaceRepository.find({});
   }
 
   async findOneOrFail(id: string): Promise<TMWorkspace> {
-    const workspace = await this.workspaceRepository.findOne({ where: { id } });
-    if (!workspace) throw new NotFoundException(`Workspace #${id} not found`);
+    const workspace = await this.workspaceRepository.findOneWorkSpace(id);
+    if (!workspace) throw new NotFoundException(WorkSpaceMessage.WORKSPACE_NOT_FOUND);
     return workspace;
   }
 
   async create(dto: CreateWorkspaceDto): Promise<TMWorkspace> {
     const { userIds, ...rest } = dto;
 
-    const existingWorkspace = await this.workspaceRepository.findOne({where: {name: rest.name}});
-    if(existingWorkspace) {
+    const existingWorkspace = await this.workspaceRepository.findOne({ where: { name: rest.name } });
+    if (existingWorkspace) {
       throw new BadRequestException(WorkSpaceMessage.WORKSPACE_EXISTS);
     }
 
@@ -49,6 +47,11 @@ export class WorkspaceService {
     const workspace = await this.findOneOrFail(id);
     const { userIds, ...rest } = dto;
 
+    if (rest.name) {
+      const existingWorkSpaceWithTheSameName = await this.workspaceRepository.findOne({ where: { name: rest.name, id: Not(id) } });
+      if (existingWorkSpaceWithTheSameName) throw new BadRequestException(WorkSpaceMessage.WORKSPACE_SAME_NAME_EXISTS);
+    }
+
     Object.assign(workspace, rest);
 
     if (userIds) {

src/modules/task-manager/repositories/project.repository.ts

@@ -1,52 +1,13 @@
-import { Injectable } from '@nestjs/common';
-import { InjectRepository } from '@nestjs/typeorm';
-import { Repository } from 'typeorm';
-import { TMProject } from '../entities/project.entity';
+import { Injectable } from "@nestjs/common";
+import { InjectRepository } from "@nestjs/typeorm";
+import { Repository } from "typeorm";
+import { TMProject } from "../entities/project.entity";
 
 @Injectable()
-export class ProjectRepository {
+export class ProjectRepository extends Repository<TMProject> {
   constructor(
-    @InjectRepository(TMProject)
-    private readonly repository: Repository<TMProject>,
-  ) {}
-
-  findAll(skip: number, take: number) {
-    return this.repository.findAndCount({
-      relations: ['workspace', 'taskPhases', 'users'],
-      skip,
-      take,
-    });
+    @InjectRepository(TMProject) projectRepository: Repository<TMProject>,
+  ) {
+    super(projectRepository.target, projectRepository.manager, projectRepository.queryRunner);
   }
-
-  findByWorkspace(workspaceId: string, skip: number, take: number) {
-    return this.repository.findAndCount({
-      where: { workspaceId },
-      relations: ['taskPhases', 'users'],
-      skip,
-      take,
-    });
-  }
-
-  findOneById(id: string) {
-    return this.repository.findOne({
-      where: { id },
-      relations: ['workspace', 'taskPhases', 'users'],
-    });
-  }
-
-  create(data: Partial<TMProject>) {
-    return this.repository.create(data);
-  }
-
-  save(project: TMProject) {
-    return this.repository.save(project);
-  }
-
-  update(id: string, data: Partial<TMProject>) {
-    return this.repository.update(id, data);
-  }
-
-  delete(id: string) {
-    return this.repository.delete(id);
-  }
-}
+}

src/modules/task-manager/repositories/workspace.repository.ts

@@ -1,7 +1,7 @@
 import { Injectable } from "@nestjs/common";
 import { InjectRepository } from "@nestjs/typeorm";
-import { Repository } from "typeorm";
-import { TMWorkspace } from "../entities/workspace.entity";
+import { Repository } from 'typeorm';
+import { TMWorkspace } from '../entities/workspace.entity';
 
 @Injectable()
 export class WorkspaceRepository extends Repository<TMWorkspace> {
@@ -9,10 +9,22 @@ export class WorkspaceRepository extends Repository<TMWorkspace> {
     super(workspaceRepository.target, workspaceRepository.manager, workspaceRepository.queryRunner);
   }
 
+  async findOneWorkSpace(workspaceId: string): Promise<TMWorkspace | null> {
+    return this.createQueryBuilder("workspace")
+    .leftJoinAndSelect('workspace.users', 'user')
+    .select([
+      'workspace',
+      'user.id',
+      'user.firstName',
+      'user.lastName'
+    ]).where('workspace.id = :workspaceId', {workspaceId})
+    .getOne();
+  }
+
   async findByUser(userId: string): Promise<TMWorkspace[]> {
     return this.createQueryBuilder("workspace")
     .innerJoin("workspace.users", "users")
-    .where("user.id = :userId", { userId })
+    .where("users.id = :userId", { userId })
     .getMany();
   }
 }

src/modules/users/enums/permission.enum.ts

@@ -25,5 +25,6 @@ export enum PermissionEnum {
   DPAGE = "dpage",
   DMAIL = 'dmail',
   RESELLER="reseller",
-  WORKSPACE="workspace"
+  WORKSPACE="workspace",
+  PROJECT="project"
 }