seed.js

const { hash } = require('bcrypt')
  
  const faker = require('faker')
  
  const User = require('./src/app/models/User')
  const Chef = require('./src/app/models/Chef')
  const File = require('./src/app/models/File')
  const Recipe = require('./src/app/models/Recipe')
  const Base = require('./src/app/models/Base')
  
  let usersIds = []
  let totalUsers = 5
  let totalChefs = 4
  let totalRecipes = 20
  let totalFiles = totalChefs + totalRecipes
  
  async function createUsers() {
    const users = []
    const password = await hash('1', 8)
  
    while (users.length < totalUsers) {
  
      users.push({
        name: faker.name.firstName(),
        email: faker.internet.email(),
        password,
        is_admin: Math.round(Math.random()),
      })
      
    }
  
    const usersPromise = users.map(user => User.create(user))
    usersIds = await Promise.all(usersPromise)
  }
  
  async function createChefs() {
    const chefs = []
  
    for (let i = 1; chefs.length < totalChefs; i++) {
  
      chefs.push({
        name: faker.name.firstName(),
        file_id: i
      })
    }
  
    const chefsPromise = chefs.map(chef => Chef.create(chef))
    chefsIds = await Promise.all(chefsPromise)
  }
  
  async function createFiles() {
    let files = []
  
    while (files.length < totalFiles) {
      files.push({
        name: faker.image.image(),
        path: `/images/placeholder.png`,
      })
    }
  
    const filesPromise = files.map(file => File.create(file))
  
    filesIds = await Promise.all(filesPromise)
  }
  
  async function createRecipes() {
  
    let recipes = []
  
    while (recipes.length < totalRecipes) {
      recipes.push({
        chef_id: Math.ceil(Math.random() * 3),
        user_id: usersIds[Math.floor(Math.random() * totalUsers)],
        title: faker.name.title(),
        ingredients: `{${faker.lorem.paragraph(Math.ceil(Math.random() * 1)).split(" ")}}`,
        preparation: `{${faker.lorem.paragraph(Math.ceil(Math.random() * 1)).split(" ")}}`,
        information: faker.lorem.paragraph(Math.ceil(Math.random() * 5))
      })
  
    }
  
    const recipesPromise = recipes.map(recipe => Recipe.create(recipe))
    recipesIds = await Promise.all(recipesPromise)
  
  
  }
  
  async function createPivotTableRelations() {
    const relations = []
    let recipesCount = 0
  
    for (let i = totalChefs + 1; relations.length < totalRecipes; i++) {
      recipesCount++
  
      relations.push({
        recipe_id: recipesCount,
        file_id: i
      })
    }
  
    const relationsPromises = relations.map(relation => {
      Base.init({
        table: 'recipes_files'
      })
  
      Base.create(relation)
    })
  
    await Promise.all(relationsPromises)
  }
  
  async function init() {
    await createUsers()
    await createFiles()
    await createChefs()
    await createRecipes()
    await createPivotTableRelations()
  }
  
  init()