tethys.backend/app/Models/Role.ts

import {
	column,
	BaseModel,
	SnakeCaseNamingStrategy,
	manyToMany,
	ManyToMany,
	beforeCreate,
	beforeUpdate,
} from '@ioc:Adonis/Lucid/Orm';

import { DateTime } from 'luxon';
// import moment from 'moment';
import dayjs from 'dayjs';
import User from './User';
import Permission from 'App/Models/Permission';

export default class Role extends BaseModel {
	public static namingStrategy = new SnakeCaseNamingStrategy();
	public static primaryKey = 'id';
	public static table = 'roles';
	public static selfAssignPrimaryKey = false;

	@column({
		isPrimary: true,
	})
	public id: number;

	@column({})
	public display_name: string;

	@column({})
	public name: string;

	@column({})
	public description: string;

	@column.dateTime({       
		serialize: (value: Date | null) => {
			// return value ? moment(value).format('MMMM Do YYYY, HH:mm:ss') : value;
			return value ?  dayjs(value).format('MMMM D YYYY HH:mm a') : value;			
		},
        autoCreate: true,
	})
	public created_at: DateTime;

	@column.dateTime({       
		serialize: (value: Date | null) => {
			return value ? dayjs(value).format('MMMM D YYYY HH:mm a') : value;
		},
        autoCreate: true,
        autoUpdate: true
	})
	public updated_at: DateTime;

	@beforeCreate()
    @beforeUpdate()
	public static async resetDate(role) {
		role.created_at = this.formatDateTime(role.created_at);
		role.updated_at = this.formatDateTime(role.updated_at);
	}

	// public static boot() {
	// 	super.boot();

	// 	this.before('create', async (_modelInstance) => {
	// 		_modelInstance.created_at = this.formatDateTime(_modelInstance.created_at);
	// 		_modelInstance.updated_at = this.formatDateTime(_modelInstance.updated_at);
	// 	});
	// 	this.before('update', async (_modelInstance) => {
	// 		_modelInstance.created_at = this.formatDateTime(_modelInstance.created_at);
	// 		_modelInstance.updated_at = this.formatDateTime(_modelInstance.updated_at);
	// 	});
	// }

	private static formatDateTime(datetime) {
		let value = new Date(datetime);
		return datetime
			? value.getFullYear() +
					'-' +
					(value.getMonth() + 1) +
					'-' +
					value.getDate() +
					' ' +
					value.getHours() +
					':' +
					value.getMinutes() +
					':' +
					value.getSeconds()
			: datetime;
	}

	@manyToMany(() => User, {
		pivotForeignKey: 'role_id',
		pivotRelatedForeignKey: 'account_id',
		pivotTable: 'link_accounts_roles',
	})
	public users: ManyToMany<typeof User>;

	@manyToMany(() => Permission, {
		pivotForeignKey: 'role_id',
		pivotRelatedForeignKey: 'permission_id',
		pivotTable: 'role_has_permissions',
	})
	public permissions: ManyToMany<typeof Permission>;
}