32514/backend/src/db/seeders/20231127130745-sample-data.js

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

const AnalysisResults = db.analysis_results;

const Photos = db.photos;

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

    animal_name: 'Tiger',

    similarity_score: 0.85,

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

  {
    // type code here for "relation_one" field

    animal_name: 'Elephant',

    similarity_score: 0.78,

    analyzed_at: new Date('2023-10-02T11:40:00Z'),
  },

  {
    // type code here for "relation_one" field

    animal_name: 'Eagle',

    similarity_score: 0.92,

    analyzed_at: new Date('2023-10-03T12:55:00Z'),
  },

  {
    // type code here for "relation_one" field

    animal_name: 'Dolphin',

    similarity_score: 0.88,

    analyzed_at: new Date('2023-10-04T14:10:00Z'),
  },
];

const PhotosData = [
  {
    // type code here for "images" field

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

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

  {
    // type code here for "images" field

    uploaded_at: new Date('2023-10-02T11:30:00Z'),

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

  {
    // type code here for "images" field

    uploaded_at: new Date('2023-10-03T12:45:00Z'),

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

  {
    // type code here for "images" field

    uploaded_at: new Date('2023-10-04T14:00:00Z'),

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

// Similar logic for "relation_many"

async function associateAnalysisResultWithPhoto() {
  const relatedPhoto0 = await Photos.findOne({
    offset: Math.floor(Math.random() * (await Photos.count())),
  });
  const AnalysisResult0 = await AnalysisResults.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (AnalysisResult0?.setPhoto) {
    await AnalysisResult0.setPhoto(relatedPhoto0);
  }

  const relatedPhoto1 = await Photos.findOne({
    offset: Math.floor(Math.random() * (await Photos.count())),
  });
  const AnalysisResult1 = await AnalysisResults.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (AnalysisResult1?.setPhoto) {
    await AnalysisResult1.setPhoto(relatedPhoto1);
  }

  const relatedPhoto2 = await Photos.findOne({
    offset: Math.floor(Math.random() * (await Photos.count())),
  });
  const AnalysisResult2 = await AnalysisResults.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (AnalysisResult2?.setPhoto) {
    await AnalysisResult2.setPhoto(relatedPhoto2);
  }

  const relatedPhoto3 = await Photos.findOne({
    offset: Math.floor(Math.random() * (await Photos.count())),
  });
  const AnalysisResult3 = await AnalysisResults.findOne({
    order: [['id', 'ASC']],
    offset: 3,
  });
  if (AnalysisResult3?.setPhoto) {
    await AnalysisResult3.setPhoto(relatedPhoto3);
  }
}

async function associatePhotoWithUser() {
  const relatedUser0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Photo0 = await Photos.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Photo0?.setUser) {
    await Photo0.setUser(relatedUser0);
  }

  const relatedUser1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Photo1 = await Photos.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Photo1?.setUser) {
    await Photo1.setUser(relatedUser1);
  }

  const relatedUser2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Photo2 = await Photos.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Photo2?.setUser) {
    await Photo2.setUser(relatedUser2);
  }

  const relatedUser3 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Photo3 = await Photos.findOne({
    order: [['id', 'ASC']],
    offset: 3,
  });
  if (Photo3?.setUser) {
    await Photo3.setUser(relatedUser3);
  }
}

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

    await Photos.bulkCreate(PhotosData);

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

      await associateAnalysisResultWithPhoto(),

      await associatePhotoWithUser(),
    ]);
  },

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

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