31113/backend/src/db/seeders/20231127130745-sample-data.js

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

const Matches = db.matches;

const Results = db.results;

const Tournaments = db.tournaments;

const MatchesData = [
  {
    match_name: 'Match 1',

    match_date: new Date('2023-06-01T12:00:00Z'),

    // type code here for "relation_one" field

    // type code here for "relation_many" field

    status: 'scheduled',
  },

  {
    match_name: 'Match 2',

    match_date: new Date('2023-06-02T14:00:00Z'),

    // type code here for "relation_one" field

    // type code here for "relation_many" field

    status: 'ongoing',
  },

  {
    match_name: 'Match 3',

    match_date: new Date('2023-12-01T12:00:00Z'),

    // type code here for "relation_one" field

    // type code here for "relation_many" field

    status: 'completed',
  },
];

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

    // type code here for "relation_one" field

    score: 3,
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    score: 2,
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    score: 5,
  },
];

const TournamentsData = [
  {
    name: 'Summer Showdown',

    start_date: new Date('2023-06-01T10:00:00Z'),

    end_date: new Date('2023-06-10T18:00:00Z'),

    // type code here for "relation_many" field

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

  {
    name: 'Winter Clash',

    start_date: new Date('2023-12-01T10:00:00Z'),

    end_date: new Date('2023-12-10T18:00:00Z'),

    // type code here for "relation_many" field

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

  {
    name: 'Spring Cup',

    start_date: new Date('2023-03-15T10:00:00Z'),

    end_date: new Date('2023-03-20T18:00:00Z'),

    // type code here for "relation_many" field

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

// Similar logic for "relation_many"

async function associateMatchWithTournament() {
  const relatedTournament0 = await Tournaments.findOne({
    offset: Math.floor(Math.random() * (await Tournaments.count())),
  });
  const Match0 = await Matches.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Match0?.setTournament) {
    await Match0.setTournament(relatedTournament0);
  }

  const relatedTournament1 = await Tournaments.findOne({
    offset: Math.floor(Math.random() * (await Tournaments.count())),
  });
  const Match1 = await Matches.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Match1?.setTournament) {
    await Match1.setTournament(relatedTournament1);
  }

  const relatedTournament2 = await Tournaments.findOne({
    offset: Math.floor(Math.random() * (await Tournaments.count())),
  });
  const Match2 = await Matches.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Match2?.setTournament) {
    await Match2.setTournament(relatedTournament2);
  }
}

// Similar logic for "relation_many"

async function associateResultWithMatch() {
  const relatedMatch0 = await Matches.findOne({
    offset: Math.floor(Math.random() * (await Matches.count())),
  });
  const Result0 = await Results.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Result0?.setMatch) {
    await Result0.setMatch(relatedMatch0);
  }

  const relatedMatch1 = await Matches.findOne({
    offset: Math.floor(Math.random() * (await Matches.count())),
  });
  const Result1 = await Results.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Result1?.setMatch) {
    await Result1.setMatch(relatedMatch1);
  }

  const relatedMatch2 = await Matches.findOne({
    offset: Math.floor(Math.random() * (await Matches.count())),
  });
  const Result2 = await Results.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Result2?.setMatch) {
    await Result2.setMatch(relatedMatch2);
  }
}

async function associateResultWithPlayer() {
  const relatedPlayer0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Result0 = await Results.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Result0?.setPlayer) {
    await Result0.setPlayer(relatedPlayer0);
  }

  const relatedPlayer1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Result1 = await Results.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Result1?.setPlayer) {
    await Result1.setPlayer(relatedPlayer1);
  }

  const relatedPlayer2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Result2 = await Results.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Result2?.setPlayer) {
    await Result2.setPlayer(relatedPlayer2);
  }
}

// Similar logic for "relation_many"

async function associateTournamentWithOrganizer() {
  const relatedOrganizer0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Tournament0 = await Tournaments.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Tournament0?.setOrganizer) {
    await Tournament0.setOrganizer(relatedOrganizer0);
  }

  const relatedOrganizer1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Tournament1 = await Tournaments.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Tournament1?.setOrganizer) {
    await Tournament1.setOrganizer(relatedOrganizer1);
  }

  const relatedOrganizer2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Tournament2 = await Tournaments.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Tournament2?.setOrganizer) {
    await Tournament2.setOrganizer(relatedOrganizer2);
  }
}

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

    await Results.bulkCreate(ResultsData);

    await Tournaments.bulkCreate(TournamentsData);

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

      await associateMatchWithTournament(),

      // Similar logic for "relation_many"

      await associateResultWithMatch(),

      await associateResultWithPlayer(),

      // Similar logic for "relation_many"

      await associateTournamentWithOrganizer(),
    ]);
  },

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

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

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