Data commit

Task/Top-rank-per-group/Elixir/top-rank-per-group.elixir

@@ -0,0 +1,36 @@
+defmodule TopRank do
+  def per_groupe(data, n) do
+    String.split(data, ~r/(\n|\r\n|\r)/, trim: true)
+    |> Enum.drop(1)
+    |> Enum.map(fn person -> String.split(person,",") end)
+    |> Enum.group_by(fn person -> department(person) end)
+    |> Enum.each(fn {department,group} ->
+         IO.puts "Department: #{department}"
+         Enum.sort_by(group, fn person -> -salary(person) end)
+         |> Enum.take(n)
+         |> Enum.each(fn person -> IO.puts str_format(person) end)
+       end)
+  end
+
+  defp salary([_,_,x,_]), do: String.to_integer(x)
+  defp department([_,_,_,x]), do: x
+  defp str_format([a,b,c,_]), do: "  #{a} - #{b} - #{c} annual salary"
+end
+
+data = """
+Employee Name,Employee ID,Salary,Department
+Tyler Bennett,E10297,32000,D101
+John Rappl,E21437,47000,D050
+George Woltman,E00127,53500,D101
+Adam Smith,E63535,18000,D202
+Claire Buckman,E39876,27800,D202
+David McClellan,E04242,41500,D101
+Rich Holcomb,E01234,49500,D202
+Nathan Adams,E41298,21900,D050
+Richard Potter,E43128,15900,D101
+David Motsinger,E27002,19250,D202
+Tim Sampair,E03033,27000,D101
+Kim Arlich,E10001,57000,D190
+Timothy Grove,E16398,29900,D190
+"""
+TopRank.per_groupe(data, 3)