phase 0 unit 2 week 1boggle class challenge

0.2.1-boggle_class_from_methods.rb

class BoggleBoard

  def initialize(dice_grid)
    @board = dice_grid
  end

  def create_word(*coords)
    coords.map { |coord| @board[coord.first][coord.last] }.join("")
  end

  def get_row(row)
    @board.at(row).join("")
  end

  def get_col(col)
    @board.transpose[col].join("")
  end

  def get_diagonal(starting_coord, ending_coord)
    
    diagonal_output = []

    if starting_coord == [0,0] && ending_coord == [3,3]
      
      start = 0
      @board.each do |i|
        diagonal_output << i.at(start)
        start += 1
      end

      return diagonal_output

    elsif starting_coord == [3,3] && ending_coord == [0,0]

      get_diagonal([0,0], [3,3]).reverse

    elsif starting_coord == [0,3] && ending_coord == [3,0]

      start = -1
      @board.each do |i|
        diagonal_output << i.at(start)
        start -= 1
      end

      return diagonal_output

    elsif starting_coord == [3,0] && ending_coord == [0,3]

      get_diagonal([0,3], [3,0]).reverse

    else
      "Please input two valid diagonals."
    end
  end

end


dice_grid = [["b", "r", "a", "e"],
             ["i", "o", "d", "t"],
             ["e", "c", "l", "r"],
             ["t", "a", "k", "e"]]

boggle_board = BoggleBoard.new(dice_grid)

# implement tests for each of the methods here:

p boggle_board.get_row(0) == "brae"   #=> true
p boggle_board.get_row(1) == "iodt"   #=> true
p boggle_board.get_row(2) == "eclr"   #=> true
p boggle_board.get_row(3) == "take"   #=> true
puts
p boggle_board.get_col(0) == "biet"   #=> true
p boggle_board.get_col(1) == "roca"   #=> true
p boggle_board.get_col(2) == "adlk"   #=> true
p boggle_board.get_col(3) == "etre"   #=> true
puts
p boggle_board.get_diagonal([0,0], [3,3]) == ["b", "o", "l", "e"]   #=> true
p boggle_board.get_diagonal([3,3], [0,0]) == ["e", "l", "o", "b"]   #=> true
p boggle_board.get_diagonal([0,3], [3,0]) == ["e", "d", "c", "t"]   #=> true
p boggle_board.get_diagonal([3,0], [0,3]) == ["t", "c", "d", "e"]   #=> true


# create driver test code to retrieve a value at a coordinate here:

p boggle_board.create_word([3,2]) == "k"  #=> true

My output for getting columns and rows:

"brae"
"iodt"
"eclr"
"take"

"biet"
"roca"
"adlk"
"etre"