31150/backend/src/db/seeders/20231127130745-sample-data.js

const db = require('../models');
const Users = db.users;

const Compilations = db.compilations;

const Notifications = db.notifications;

const Projects = db.projects;

const CompilationsData = [
  {
    // type code here for "relation_one" field

    start_time: new Date('2023-10-01T10:05:00Z'),

    end_time: new Date('2023-10-01T10:10:00Z'),

    success: true,
  },

  {
    // type code here for "relation_one" field

    start_time: new Date('2023-09-15T09:35:00Z'),

    end_time: new Date('2023-09-15T09:40:00Z'),

    success: false,
  },

  {
    // type code here for "relation_one" field

    start_time: new Date('2023-08-20T08:20:00Z'),

    end_time: new Date('2023-08-20T08:25:00Z'),

    success: true,
  },

  {
    // type code here for "relation_one" field

    start_time: new Date('2023-07-10T07:05:00Z'),

    end_time: new Date('2023-07-10T07:10:00Z'),

    success: true,
  },
];

const NotificationsData = [
  {
    // type code here for "relation_one" field

    message: 'Welcome to the IDE!',

    sent_at: new Date('2023-10-01T10:00:00Z'),
  },

  {
    // type code here for "relation_one" field

    message: 'Your project compilation failed.',

    sent_at: new Date('2023-09-15T09:40:00Z'),
  },

  {
    // type code here for "relation_one" field

    message: 'New project created successfully.',

    sent_at: new Date('2023-08-20T08:15:00Z'),
  },

  {
    // type code here for "relation_one" field

    message: 'Compilation completed successfully.',

    sent_at: new Date('2023-07-10T07:10:00Z'),
  },
];

const ProjectsData = [
  {
    name: 'HelloWorldApp',

    // type code here for "relation_one" field

    created_date: new Date('2023-10-01T10:00:00Z'),

    last_modified_date: new Date('2023-10-02T12:00:00Z'),
  },

  {
    name: 'WeatherApp',

    // type code here for "relation_one" field

    created_date: new Date('2023-09-15T09:30:00Z'),

    last_modified_date: new Date('2023-09-16T11:45:00Z'),
  },

  {
    name: 'ToDoList',

    // type code here for "relation_one" field

    created_date: new Date('2023-08-20T08:15:00Z'),

    last_modified_date: new Date('2023-08-21T10:20:00Z'),
  },

  {
    name: 'Calculator',

    // type code here for "relation_one" field

    created_date: new Date('2023-07-10T07:00:00Z'),

    last_modified_date: new Date('2023-07-11T09:10:00Z'),
  },
];

// Similar logic for "relation_many"

async function associateCompilationWithProject() {
  const relatedProject0 = await Projects.findOne({
    offset: Math.floor(Math.random() * (await Projects.count())),
  });
  const Compilation0 = await Compilations.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Compilation0?.setProject) {
    await Compilation0.setProject(relatedProject0);
  }

  const relatedProject1 = await Projects.findOne({
    offset: Math.floor(Math.random() * (await Projects.count())),
  });
  const Compilation1 = await Compilations.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Compilation1?.setProject) {
    await Compilation1.setProject(relatedProject1);
  }

  const relatedProject2 = await Projects.findOne({
    offset: Math.floor(Math.random() * (await Projects.count())),
  });
  const Compilation2 = await Compilations.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Compilation2?.setProject) {
    await Compilation2.setProject(relatedProject2);
  }

  const relatedProject3 = await Projects.findOne({
    offset: Math.floor(Math.random() * (await Projects.count())),
  });
  const Compilation3 = await Compilations.findOne({
    order: [['id', 'ASC']],
    offset: 3,
  });
  if (Compilation3?.setProject) {
    await Compilation3.setProject(relatedProject3);
  }
}

async function associateNotificationWithUser() {
  const relatedUser0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Notification0 = await Notifications.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Notification0?.setUser) {
    await Notification0.setUser(relatedUser0);
  }

  const relatedUser1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Notification1 = await Notifications.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Notification1?.setUser) {
    await Notification1.setUser(relatedUser1);
  }

  const relatedUser2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Notification2 = await Notifications.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Notification2?.setUser) {
    await Notification2.setUser(relatedUser2);
  }

  const relatedUser3 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Notification3 = await Notifications.findOne({
    order: [['id', 'ASC']],
    offset: 3,
  });
  if (Notification3?.setUser) {
    await Notification3.setUser(relatedUser3);
  }
}

async function associateProjectWithOwner() {
  const relatedOwner0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Project0 = await Projects.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Project0?.setOwner) {
    await Project0.setOwner(relatedOwner0);
  }

  const relatedOwner1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Project1 = await Projects.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Project1?.setOwner) {
    await Project1.setOwner(relatedOwner1);
  }

  const relatedOwner2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Project2 = await Projects.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Project2?.setOwner) {
    await Project2.setOwner(relatedOwner2);
  }

  const relatedOwner3 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Project3 = await Projects.findOne({
    order: [['id', 'ASC']],
    offset: 3,
  });
  if (Project3?.setOwner) {
    await Project3.setOwner(relatedOwner3);
  }
}

module.exports = {
  up: async (queryInterface, Sequelize) => {
    await Compilations.bulkCreate(CompilationsData);

    await Notifications.bulkCreate(NotificationsData);

    await Projects.bulkCreate(ProjectsData);

    await Promise.all([
      // Similar logic for "relation_many"

      await associateCompilationWithProject(),

      await associateNotificationWithUser(),

      await associateProjectWithOwner(),
    ]);
  },

  down: async (queryInterface, Sequelize) => {
    await queryInterface.bulkDelete('compilations', null, {});

    await queryInterface.bulkDelete('notifications', null, {});

    await queryInterface.bulkDelete('projects', null, {});
  },
};