30326/backend/src/db/seeders/20231127130745-sample-data.js

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

const Conversations = db.conversations;

const Messages = db.messages;

const ConversationsData = [
  {
    title: 'Project Kickoff',

    // type code here for "relation_many" field
  },

  {
    title: 'Weekly Sync',

    // type code here for "relation_many" field
  },

  {
    title: 'Design Review',

    // type code here for "relation_many" field
  },

  {
    title: 'Client Feedback',

    // type code here for "relation_many" field
  },

  {
    title: 'Retrospective',

    // type code here for "relation_many" field
  },
];

const MessagesData = [
  {
    content: "Let's start the project kickoff meeting.",

    // type code here for "relation_one" field

    // type code here for "relation_one" field

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

  {
    content: 'Please review the design documents.',

    // type code here for "relation_one" field

    // type code here for "relation_one" field

    sent_at: new Date('2023-10-02T11:00:00Z'),
  },

  {
    content: 'Here is the client feedback from last week.',

    // type code here for "relation_one" field

    // type code here for "relation_one" field

    sent_at: new Date('2023-10-03T12:00:00Z'),
  },

  {
    content: 'What are the action items from the retrospective?',

    // type code here for "relation_one" field

    // type code here for "relation_one" field

    sent_at: new Date('2023-10-04T13:00:00Z'),
  },

  {
    content: 'Weekly sync is scheduled for tomorrow.',

    // type code here for "relation_one" field

    // type code here for "relation_one" field

    sent_at: new Date('2023-10-05T14:00:00Z'),
  },
];

// Similar logic for "relation_many"

// Similar logic for "relation_many"

async function associateMessageWithUser() {
  const relatedUser0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Message0 = await Messages.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Message0?.setUser) {
    await Message0.setUser(relatedUser0);
  }

  const relatedUser1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Message1 = await Messages.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Message1?.setUser) {
    await Message1.setUser(relatedUser1);
  }

  const relatedUser2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Message2 = await Messages.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Message2?.setUser) {
    await Message2.setUser(relatedUser2);
  }

  const relatedUser3 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Message3 = await Messages.findOne({
    order: [['id', 'ASC']],
    offset: 3,
  });
  if (Message3?.setUser) {
    await Message3.setUser(relatedUser3);
  }

  const relatedUser4 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Message4 = await Messages.findOne({
    order: [['id', 'ASC']],
    offset: 4,
  });
  if (Message4?.setUser) {
    await Message4.setUser(relatedUser4);
  }
}

async function associateMessageWithConversation() {
  const relatedConversation0 = await Conversations.findOne({
    offset: Math.floor(Math.random() * (await Conversations.count())),
  });
  const Message0 = await Messages.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Message0?.setConversation) {
    await Message0.setConversation(relatedConversation0);
  }

  const relatedConversation1 = await Conversations.findOne({
    offset: Math.floor(Math.random() * (await Conversations.count())),
  });
  const Message1 = await Messages.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Message1?.setConversation) {
    await Message1.setConversation(relatedConversation1);
  }

  const relatedConversation2 = await Conversations.findOne({
    offset: Math.floor(Math.random() * (await Conversations.count())),
  });
  const Message2 = await Messages.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Message2?.setConversation) {
    await Message2.setConversation(relatedConversation2);
  }

  const relatedConversation3 = await Conversations.findOne({
    offset: Math.floor(Math.random() * (await Conversations.count())),
  });
  const Message3 = await Messages.findOne({
    order: [['id', 'ASC']],
    offset: 3,
  });
  if (Message3?.setConversation) {
    await Message3.setConversation(relatedConversation3);
  }

  const relatedConversation4 = await Conversations.findOne({
    offset: Math.floor(Math.random() * (await Conversations.count())),
  });
  const Message4 = await Messages.findOne({
    order: [['id', 'ASC']],
    offset: 4,
  });
  if (Message4?.setConversation) {
    await Message4.setConversation(relatedConversation4);
  }
}

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

    await Messages.bulkCreate(MessagesData);

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

      // Similar logic for "relation_many"

      await associateMessageWithUser(),

      await associateMessageWithConversation(),
    ]);
  },

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

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