SOLID -Single Responsibility Principle

srp_ex1.ts

class Car {
    constructor(name,model,year) {
        this.name=name
        this.model=model
        this.year=year
    }
getCar(id) {
        return this.http.get('api/cars/'+id)
    }
saveCar() {
        return this.post('api/cars', { name: this.name, year: this.year, model: this.model })
    }
}

srp_ex2.ts

class Car {
    constructor(name, model, year) {
        this.name = name
        this.model = model
        this.year = year
    }
}
class CarService {
    getCar(id) {
        return this.http.get('api/cars/'+id)
    }
    saveCar(car) {
        this.http.post('api/cars', car)
    }
}