30577/backend/src/db/seeders/20231127130745-sample-data.js

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

const Comments = db.comments;

const ModerationLogs = db.moderation_logs;

const Posts = db.posts;

const CommentsData = [
  {
    text: 'Great post! Thanks for sharing.',

    // type code here for "relation_one" field

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

  {
    text: 'Looking forward to the event!',

    // type code here for "relation_one" field

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

  {
    text: 'Very informative article.',

    // type code here for "relation_one" field

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

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

    // type code here for "relation_one" field

    action: 'Approved post',

    timestamp: new Date('2023-10-01T12:30:00Z'),
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    action: 'Flagged post for review',

    timestamp: new Date('2023-10-02T14:00:00Z'),
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    action: 'Approved post',

    timestamp: new Date('2023-10-03T11:00:00Z'),
  },
];

const PostsData = [
  {
    content: 'Exploring the new features of our platform!',

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

  {
    content: 'Check out this amazing article on tech trends.',

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

  {
    content: 'Join our community event this weekend!',

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

// Similar logic for "relation_many"

async function associateCommentWithPost() {
  const relatedPost0 = await Posts.findOne({
    offset: Math.floor(Math.random() * (await Posts.count())),
  });
  const Comment0 = await Comments.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Comment0?.setPost) {
    await Comment0.setPost(relatedPost0);
  }

  const relatedPost1 = await Posts.findOne({
    offset: Math.floor(Math.random() * (await Posts.count())),
  });
  const Comment1 = await Comments.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Comment1?.setPost) {
    await Comment1.setPost(relatedPost1);
  }

  const relatedPost2 = await Posts.findOne({
    offset: Math.floor(Math.random() * (await Posts.count())),
  });
  const Comment2 = await Comments.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Comment2?.setPost) {
    await Comment2.setPost(relatedPost2);
  }
}

async function associateCommentWithAuthor() {
  const relatedAuthor0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Comment0 = await Comments.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Comment0?.setAuthor) {
    await Comment0.setAuthor(relatedAuthor0);
  }

  const relatedAuthor1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Comment1 = await Comments.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Comment1?.setAuthor) {
    await Comment1.setAuthor(relatedAuthor1);
  }

  const relatedAuthor2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Comment2 = await Comments.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Comment2?.setAuthor) {
    await Comment2.setAuthor(relatedAuthor2);
  }
}

async function associateModerationLogWithModerator() {
  const relatedModerator0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const ModerationLog0 = await ModerationLogs.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (ModerationLog0?.setModerator) {
    await ModerationLog0.setModerator(relatedModerator0);
  }

  const relatedModerator1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const ModerationLog1 = await ModerationLogs.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (ModerationLog1?.setModerator) {
    await ModerationLog1.setModerator(relatedModerator1);
  }

  const relatedModerator2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const ModerationLog2 = await ModerationLogs.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (ModerationLog2?.setModerator) {
    await ModerationLog2.setModerator(relatedModerator2);
  }
}

async function associateModerationLogWithPost() {
  const relatedPost0 = await Posts.findOne({
    offset: Math.floor(Math.random() * (await Posts.count())),
  });
  const ModerationLog0 = await ModerationLogs.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (ModerationLog0?.setPost) {
    await ModerationLog0.setPost(relatedPost0);
  }

  const relatedPost1 = await Posts.findOne({
    offset: Math.floor(Math.random() * (await Posts.count())),
  });
  const ModerationLog1 = await ModerationLogs.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (ModerationLog1?.setPost) {
    await ModerationLog1.setPost(relatedPost1);
  }

  const relatedPost2 = await Posts.findOne({
    offset: Math.floor(Math.random() * (await Posts.count())),
  });
  const ModerationLog2 = await ModerationLogs.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (ModerationLog2?.setPost) {
    await ModerationLog2.setPost(relatedPost2);
  }
}

async function associatePostWithAuthor() {
  const relatedAuthor0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Post0 = await Posts.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Post0?.setAuthor) {
    await Post0.setAuthor(relatedAuthor0);
  }

  const relatedAuthor1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Post1 = await Posts.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Post1?.setAuthor) {
    await Post1.setAuthor(relatedAuthor1);
  }

  const relatedAuthor2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Post2 = await Posts.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Post2?.setAuthor) {
    await Post2.setAuthor(relatedAuthor2);
  }
}

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

    await ModerationLogs.bulkCreate(ModerationLogsData);

    await Posts.bulkCreate(PostsData);

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

      await associateCommentWithPost(),

      await associateCommentWithAuthor(),

      await associateModerationLogWithModerator(),

      await associateModerationLogWithPost(),

      await associatePostWithAuthor(),
    ]);
  },

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

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

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