starr-philproperties/models/notifications/admin_notification.mdl.js

/***********************************************************************************************************************************************************************
 * File Name    : notification.mdl.js
 * Type         : Sequelize Model
 * Description  : Admin-facing system notifications. Each row is a single event
 *                surfaced in the admin bell dropdown (e.g. "5 tasks overdue").
 *                Not user-scoped — visible to all admins.
 *
 * Author: Kenneth Obsequio (@lash0000)
 * Date Created: Jun. 19, 2026
 ***********************************************************************************************************************************************************************/
const { DataTypes } = require('sequelize');
const sequelize = require('../../config/db.config');

const AdminNotification = sequelize.define('AdminNotification', {
    notification_id: {
        type: DataTypes.BIGINT,
        autoIncrement: true,
        primaryKey: true,
    },
    type: {
        type: DataTypes.STRING(64),
        allowNull: false,
    },
    title: {
        type: DataTypes.STRING(255),
        allowNull: false,
    },
    message: {
        type: DataTypes.TEXT,
        allowNull: false,
    },
    data: {
        type: DataTypes.JSONB,
        allowNull: true,
        defaultValue: null,
    },
    seen: {
        type: DataTypes.BOOLEAN,
        allowNull: false,
        defaultValue: false,
    },
    seen_at: {
        type: DataTypes.DATE,
        allowNull: true,
        defaultValue: null,
    },
}, {
    tableName: 'admin_notifications',
    timestamps: true,
    indexes: [
        { fields: ['seen'],       name: 'idx_an_seen' },
        { fields: ['type'],       name: 'idx_an_type' },
        { fields: ['createdAt'],  name: 'idx_an_created_at' },
    ],
});

module.exports = AdminNotification;