FrogApp.js

class Frog {
  constructor({ name, gender, weight }) {
    this.name = name
    this.gender = gender
    this.weight = weight
  }
  
  jump() {
    console.log('jumped')
  }
  
  setHabitat(habitat) {
    this.habitat = habitat
  }
}

class Toad extends Frog {
  constructor(options) {
    super(options)
  }
  
  leap() {
    console.log('leaped')
  }
}

class Person {
  constructor() {
    this.id = createId()
  }
  
  setName(name) {
    this.name = name
    return this
  }
  
  setGender(gender) {
    this.gender = gender
    return this
  }
  
  setAge(age) {
    this.age = age
    return this
  }
}

function createId() {
  var idStrLen = 32
  var idStr = (Math.floor(Math.random() * 25) + 10).toString(36) + '_'
  idStr += new Date().getTime().toString(36) + '_'
  do {
    idStr += Math.floor(Math.random() * 35).toString(36)
  } while (idStr.length < idStrLen)
  return idStr
}

class FrogAdoptionFacility {
  constructor(name, description, location) {
    this.name = name
    this.description = description
    this.location = location
    this.contracts = {}
    this.adoptions = {}
  }
  
  createContract(employee, client) {
    const contractId = createId()
    this.contracts[contractId] = {
      id: contractId,
      preparer: employee,
      client,
      signed: false,
    }
    return this.contracts[contractId]
  }
  
  signContract(id, signee) {
    this.contracts[id].signed = true
  }
  
  setAdoption(frogOwner, frogOwnerLicense, frog, contract) {
    const adoption = {
      [frogOwner.id]: {
        owner: {
          firstName: frogOwner.owner.name.split(' ')[0],
          lastName: frogOwner.owner.name.split(' ')[1],
          id: frogOwner.id,
        },
        frog,
        contract,
        license: {
          id: frogOwnerLicense.id,
        },
      },
    }
    this.adoptions[contract.id] = adoption
  }
  
  getAdoption(id) {
    return this.adoptions[id]
  }
}

class FrogParadiseLicense {
  constructor(frogOwner, licensePreparer, frog, location) {
    this.id = createId()
    this.client = {
      firstName: frogOwner.name.split(' ')[0],
      lastName: frogOwner.name.split(' ')[1],
      id: frogOwner.id,
    }
    this.preparer = {
      firstName: licensePreparer.name.split(' ')[0],
      lastName: licensePreparer.name.split(' ')[1],
      id: licensePreparer.id,
    }
    this.frog = frog
    this.location = `${location.street} ${location.city} ${location.state} ${location.zip}`
  }
}

class FrogParadiseOwner {
  constructor(frogOwner, frogOwnerLicense, frog) {
    this.id = createId()
    this.owner = {
      id: frogOwner.id,
      firstName: frogOwner.name.split(' ')[0],
      lastName: frogOwner.name.split(' ')[1],
    }
    this.license = frogOwnerLicense
    this.frog = frog
  }
  
  createDocument() {
    return JSON.stringify(this, null, 2)
  }
}