C#•3y ago

✅ LINQ get items with priority

Hello, can I get some assistance with the following issue:

public class Item
{
  public string Name { get; set; }
  public string Identifier { get; set; }
}

public class Item
{
  public string Name { get; set; }
  public string Identifier { get; set; }
}

public class Item
{
  public string Name { get; set; }
  public string Identifier { get; set; }
}

public class Item
{
  public string Name { get; set; }
  public string Identifier { get; set; }
}

So I have a collection of items (List<Item>) and I need some sort of filtering on them.
Lets say we have the following items in the collection:

Item 1:
Name - Retail
Identifier - 001

Item 2:
Name - Retail
Identifier - 111

Item 3:
Name - Hospital
Identifier - 111

Item 4:
Name - Hospital
Identifier - 002

As you can see "Item 2" and "Item 3" have the same Identifier.
In those cases where "Identifier" is equal for 2 or more items, I need to take only the one with priority which in my case is "Retail".
The final collection that I need to get after filtering is the following:

Item 1:
Name - Retail
Identifier - 001

Item 2:
Name - Retail
Identifier - 111

Item 3:
Name - Hospital
Identifier - 002

I'm not sure how to do that with LINQ. Any help will be appreciated, thank you

✅ LINQ get items with priority

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