seed user roles

Author: gambitier

Projects/BooksLibrary/src/app.ts

@@ -44,6 +44,9 @@ export default class Application {
             //Connect with database
             await Loader.databaseConnector.init();
 
+            //call the seeder
+            await Loader.seeder.init();
+
             //Set-up middlewares
             await this.setupMiddlewares();
 
@@ -58,6 +61,8 @@ export default class Application {
             await this.listen();
         } catch (error) {
             Logger.instance().log(`An error occurred while starting api service. ${error.message}`);
+            // eslint-disable-next-line no-console
+            console.error(error);
         }
     };
 

Projects/BooksLibrary/src/database/repository.interfaces/user.role.repo.interface.ts

@@ -0,0 +1,9 @@
+import { RoleDto } from 'domain.types/role/role.dto';
+
+export interface IRoleRepo {
+    create(entity: any): Promise<RoleDto>;
+
+    getById(id: number): Promise<RoleDto>;
+
+    getByName(name: string): Promise<RoleDto>;
+}

Projects/BooksLibrary/src/database/sql/sequelize/mapper/user.role.mapper.ts

@@ -0,0 +1,13 @@
+import { RoleDto } from 'domain.types/role/role.dto';
+import Role from '../models/role.model';
+
+export class RoleMapper {
+    static toDto(role: Role): RoleDto {
+        const dto: RoleDto = {
+            id: role.id,
+            RoleName: role.RoleName,
+        };
+
+        return dto;
+    }
+}

Projects/BooksLibrary/src/database/sql/sequelize/repositories/user.role.repo.ts

@@ -0,0 +1,30 @@
+import { ApiError } from 'common/api.error';
+import { Logger } from 'common/logger';
+import { IRoleRepo } from 'database/repository.interfaces/user.role.repo.interface';
+import { RoleDto } from 'domain.types/role/role.dto';
+import { RoleMapper } from '../mapper/user.role.mapper';
+import Role from '../models/role.model';
+
+export class UserRoleRepo implements IRoleRepo {
+    create = async (roleEntity: any): Promise<RoleDto> => {
+        try {
+            const entity = {
+                RoleName: roleEntity.RoleName,
+            };
+            const role: Role = await Role.create(entity);
+            const dto = RoleMapper.toDto(role);
+            return dto;
+        } catch (error) {
+            Logger.instance().log(error.message);
+            throw new ApiError(500, error.message);
+        }
+    };
+
+    getById(id: number): Promise<RoleDto> {
+        throw new Error('Method not implemented.');
+    }
+
+    getByName(name: string): Promise<RoleDto> {
+        throw new Error('Method not implemented.');
+    }
+}

Projects/BooksLibrary/src/database/sql/sql.injector.ts

@@ -1,11 +1,13 @@
 import { DependencyContainer } from 'tsyringe';
 import { DatabaseConnector_Sequelize } from './sequelize/database.connector.sequelize';
 import { UserRepo } from './sequelize/repositories/user.repo';
+import { UserRoleRepo } from './sequelize/repositories/user.role.repo';
 
 export class SQLInjector {
     static registerInjections(container: DependencyContainer) {
         container.register('IDatabaseConnector', DatabaseConnector_Sequelize);
 
         container.register('IUserRepo', UserRepo);
+        container.register('IRoleRepo', UserRoleRepo);
     }
 }

Projects/BooksLibrary/src/domain.types/role/role.dto.ts

@@ -1,4 +1,4 @@
 export interface RoleDto {
-    id      : number;
+    id: string;
     RoleName: string;
 }

Projects/BooksLibrary/src/startup/loader.ts

@@ -4,6 +4,7 @@ import { Logger } from '../common/logger';
 import { Authorizer } from 'auth/authorizer';
 import { DatabaseConnector } from 'database/database.connector';
 import { Injector } from './injector';
+import { Seeder } from './seeder';
 
 export class Loader {
     private static _container: DependencyContainer = container;
@@ -30,6 +31,12 @@ export class Loader {
         return Loader._databaseConnector;
     }
 
+    private static _seeder: Seeder = null;
+
+    public static get seeder() {
+        return Loader._seeder;
+    }
+
     public static init = async (): Promise<boolean> => {
         try {
             //Register injections here...
@@ -38,6 +45,8 @@ export class Loader {
 
             Loader._databaseConnector = container.resolve(DatabaseConnector);
 
+            Loader._seeder = container.resolve(Seeder);
+
             return true;
         } catch (error) {
             Logger.instance().log(error.message);

Projects/BooksLibrary/src/startup/seeder.ts

@@ -0,0 +1,27 @@
+import { Logger } from 'common/logger';
+import { IRoleRepo } from 'database/repository.interfaces/user.role.repo.interface';
+import { Roles } from 'domain.types/role/role.types';
+import { inject, injectable } from 'tsyringe';
+
+@injectable()
+export class Seeder {
+    constructor(@inject('IRoleRepo') private _roleRepo: IRoleRepo) {}
+
+    public init = async (): Promise<void> => {
+        try {
+            await this.seedDefaultRoles();
+        } catch (error) {
+            Logger.instance().log(error.message);
+        }
+    };
+
+    seedDefaultRoles = async () => {
+        await this._roleRepo.create({
+            RoleName: Roles.Admin,
+        });
+
+        await this._roleRepo.create({
+            RoleName: Roles.User,
+        });
+    };
+}