static void Main(string[] args)
{
// separation of concerns
// different "concerns" or "considerations" in code shouldn't be tangled together
// single responsibility principle (S in SOLID)
// a unit of code (e.g. class, method) should have just one responsibility.
// DRY principle
// don't repeat yourself
// KISS
// keep it simple stupid (unless it's on codesignal)
// have a list of products
IEnumerable <Product> catalog = GetProducts();
// allow for some customization of that display to the user
string input = null;
while (input != "s" && input != "d")
{
Console.WriteLine("Enter s for simple, d for detailed: ");
input = Console.ReadLine();
}
string input2 = null;
while (input2 != "y" && input2 != "n")
{
Console.WriteLine("Sort? y/n: ");
input2 = Console.ReadLine();
}
ISorter sorter;
if (input2 == "y")
{
sorter = new PriceSorter();
}
else
{
sorter = new NonSorter();
}
IWriter writer;
// display them to the user
if (input == "s")
{
writer = new SimpleWriter(sorter);
}
else
{
writer = new DetailedWriter(sorter);
}
writer.FormatAndDisplay(catalog);
// dependency inversion principle (D in SOLID)
// - don't have classes depend on each other directly
// instead, have them depend on interfaces
}
static void Main(string[] args)
{
// separation of concerns
// different concerns in code shouldn't be tangled together
// single responsibility principle (S in SOLID)
// a unit of code like class method should have just one responsibility
// DRY principle do not repeat yourself
// KISS Keep it simple stupid
// functionalities
// have a list of products
List <Product> catalog = GetProducts();
// user's choice of sort and display
string userInput = null;
while (userInput != "s" && userInput != "d")
{
Console.WriteLine("Enter s for simple, d for detailed");
userInput = Console.ReadLine();
}
// dependency inversion principle (D in SOLID)
// dont have classes depend on each other directly
// instead, have them depend on
// A(B) , A(Interface B)
// polymorphism
string userInput2 = null;
while (userInput2 != "y" && userInput2 != "n")
{
Console.WriteLine("Have the list sorted? y/n ");
userInput2 = Console.ReadLine();
}
ISorter sorter;
if (userInput2 == "y")
{
sorter = new PriceSorter();
}
else
{
sorter = new NonSorter();
}
// sorted catalog goes in to writer
IWriter writer;
if (userInput == "s")
{
writer = new SimpleWriter(sorter);
}
else
{
writer = new DetailedWriter(sorter);
}
writer.FormatAndDisplay(catalog);
}
