32264/backend/src/db/seeders/20231127130745-sample-data.js

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

const PricingModels = db.pricing_models;

const Quotes = db.quotes;

const RoomTypes = db.room_types;

const Rooms = db.rooms;

const WorkItems = db.work_items;

const PricingModelsData = [
  {
    pricing_type: 'psf',

    rate: 5,

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

  {
    pricing_type: 'psf',

    rate: 10,

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

  {
    pricing_type: 'lump_sum',

    rate: 500,

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

const QuotesData = [
  {
    property_type: 'Condo',

    total_sqft: 1000,

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

  {
    property_type: 'HDB',

    total_sqft: 1200,

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

  {
    property_type: 'Office',

    total_sqft: 1500,

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

const RoomTypesData = [
  {
    name: 'Kitchen',

    standard_size_percentage: 20,
  },

  {
    name: 'Living Room',

    standard_size_percentage: 30,
  },

  {
    name: 'Master Bath',

    standard_size_percentage: 10,
  },
];

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

    allocated_sqft: 200,

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

  {
    // type code here for "relation_one" field

    allocated_sqft: 300,

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

  {
    // type code here for "relation_one" field

    allocated_sqft: 100,

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

const WorkItemsData = [
  {
    name: 'Tiling',

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

  {
    name: 'Carpentry',

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

  {
    name: 'Polishing',

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

// Similar logic for "relation_many"

async function associatePricingModelWithWork_item() {
  const relatedWork_item0 = await WorkItems.findOne({
    offset: Math.floor(Math.random() * (await WorkItems.count())),
  });
  const PricingModel0 = await PricingModels.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (PricingModel0?.setWork_item) {
    await PricingModel0.setWork_item(relatedWork_item0);
  }

  const relatedWork_item1 = await WorkItems.findOne({
    offset: Math.floor(Math.random() * (await WorkItems.count())),
  });
  const PricingModel1 = await PricingModels.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (PricingModel1?.setWork_item) {
    await PricingModel1.setWork_item(relatedWork_item1);
  }

  const relatedWork_item2 = await WorkItems.findOne({
    offset: Math.floor(Math.random() * (await WorkItems.count())),
  });
  const PricingModel2 = await PricingModels.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (PricingModel2?.setWork_item) {
    await PricingModel2.setWork_item(relatedWork_item2);
  }
}

// Similar logic for "relation_many"

async function associateRoomWithRoom_type() {
  const relatedRoom_type0 = await RoomTypes.findOne({
    offset: Math.floor(Math.random() * (await RoomTypes.count())),
  });
  const Room0 = await Rooms.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Room0?.setRoom_type) {
    await Room0.setRoom_type(relatedRoom_type0);
  }

  const relatedRoom_type1 = await RoomTypes.findOne({
    offset: Math.floor(Math.random() * (await RoomTypes.count())),
  });
  const Room1 = await Rooms.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Room1?.setRoom_type) {
    await Room1.setRoom_type(relatedRoom_type1);
  }

  const relatedRoom_type2 = await RoomTypes.findOne({
    offset: Math.floor(Math.random() * (await RoomTypes.count())),
  });
  const Room2 = await Rooms.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Room2?.setRoom_type) {
    await Room2.setRoom_type(relatedRoom_type2);
  }
}

// Similar logic for "relation_many"

async function associateWorkItemWithRoom_type() {
  const relatedRoom_type0 = await RoomTypes.findOne({
    offset: Math.floor(Math.random() * (await RoomTypes.count())),
  });
  const WorkItem0 = await WorkItems.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (WorkItem0?.setRoom_type) {
    await WorkItem0.setRoom_type(relatedRoom_type0);
  }

  const relatedRoom_type1 = await RoomTypes.findOne({
    offset: Math.floor(Math.random() * (await RoomTypes.count())),
  });
  const WorkItem1 = await WorkItems.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (WorkItem1?.setRoom_type) {
    await WorkItem1.setRoom_type(relatedRoom_type1);
  }

  const relatedRoom_type2 = await RoomTypes.findOne({
    offset: Math.floor(Math.random() * (await RoomTypes.count())),
  });
  const WorkItem2 = await WorkItems.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (WorkItem2?.setRoom_type) {
    await WorkItem2.setRoom_type(relatedRoom_type2);
  }
}

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

    await Quotes.bulkCreate(QuotesData);

    await RoomTypes.bulkCreate(RoomTypesData);

    await Rooms.bulkCreate(RoomsData);

    await WorkItems.bulkCreate(WorkItemsData);

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

      await associatePricingModelWithWork_item(),

      // Similar logic for "relation_many"

      await associateRoomWithRoom_type(),

      // Similar logic for "relation_many"

      await associateWorkItemWithRoom_type(),
    ]);
  },

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

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

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

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

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