From dfe0e48ca7e7851867f9559acb476e25769a43a5 Mon Sep 17 00:00:00 2001
From: Argie Bacomo <arjieng@gmail.com>
Date: Mon, 21 Mar 2022 10:06:00 +0800
Subject: [PATCH 1/2] Added ruby version calendar

---
 21_Calendar/ruby/calendar.rb | 118 +++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 21_Calendar/ruby/calendar.rb

diff --git a/21_Calendar/ruby/calendar.rb b/21_Calendar/ruby/calendar.rb
new file mode 100644
index 00000000..7887a2db
--- /dev/null
+++ b/21_Calendar/ruby/calendar.rb
@@ -0,0 +1,118 @@
+class Calendar
+  def initialize
+    $stdout.sync = true    
+  end
+
+  def parse_input
+    days_mapping = {
+      "sunday": 0,
+      "monday": -1,
+      "tuesday": -2,
+      "wednesday": -3,
+      "thursday": -4,
+      "friday": -5,
+      "saturday": -6,
+    }
+
+    day = 0
+    leap_day = false
+    correct_day_input = false
+
+    while !correct_day_input 
+      print "INSERT THE STARTING DAY OF THE WEEK OF THE YEAR: "
+      weekday = gets.chomp!
+
+      days_mapping.each do |k, v|
+        if k.to_s == weekday.downcase.to_s
+          day = v
+          correct_day_input = true
+          break
+        end
+      end
+    end
+
+    while true
+      print "IS IT A LEAP YEAR?: "
+      leap = gets.chomp!
+      if "y" == leap.downcase.to_s
+        leap_day = true
+        break
+      end
+
+      if "n" == leap.downcase.to_s
+        leap_day = false
+        break
+      end
+    end
+
+    return day, leap_day
+  end
+
+  def calendar(weekday, leap_year)
+    months_days = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+    days = "S        M        T        W        T        F        S\n"
+    sep = "*" * 59
+    years_day = 365
+    d = weekday
+
+    if leap_year
+      months_days[2] = 29
+      years_day = 366
+    end
+
+    months_names = [
+      " JANUARY ",
+      " FEBRUARY",
+      "  MARCH  ",
+      "  APRIL  ",
+      "   MAY   ",
+      "   JUNE  ",
+      "   JULY  ",
+      "  AUGUST ",
+      "SEPTEMBER",
+      " OCTOBER ",
+      " NOVEMBER",
+      " DECEMBER",
+    ]
+
+    days_count = 0
+
+    for n in (1..12) do
+      days_count += months_days[n - 1]
+      print "** #{days_count} ****************** #{months_names[n - 1]} ****************** #{years_day - days_count} **\n"
+      print days
+      print sep
+      for nnn in (1..6) do
+        print "\n"
+        for g in (1..7) do
+          d += 1
+          d2 = d - days_count
+
+          break if d2 > months_days[n]
+
+          if d2 <= 0
+            print "         "
+          elsif d2 < 10
+            print " #{d2}       "
+          else
+            print "#{d2}       "
+          end
+        end
+
+        print "\n\n"
+
+        break if d2 >= months_days[n]
+      end
+      d -= g if d2 > months_days[n]
+      print "\n"
+    end
+    print("\n")
+  end
+end
+
+
+calendar = Calendar.new
+input = calendar.parse_input
+
+calendar.calendar(input[0], input[1])
+

From 1a71d033a8f1fa14caf0897f01fa3df6c1d8bec1 Mon Sep 17 00:00:00 2001
From: Argie Bacomo <arjieng@gmail.com>
Date: Mon, 21 Mar 2022 10:12:03 +0800
Subject: [PATCH 2/2] remove extra somethings

---
 21_Calendar/ruby/calendar.rb | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/21_Calendar/ruby/calendar.rb b/21_Calendar/ruby/calendar.rb
index 7887a2db..4f7061d7 100644
--- a/21_Calendar/ruby/calendar.rb
+++ b/21_Calendar/ruby/calendar.rb
@@ -1,8 +1,4 @@
 class Calendar
-  def initialize
-    $stdout.sync = true    
-  end
-
   def parse_input
     days_mapping = {
       "sunday": 0,
@@ -48,7 +44,7 @@ class Calendar
     return day, leap_day
   end
 
-  def calendar(weekday, leap_year)
+  def start(weekday, leap_year)
     months_days = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
     days = "S        M        T        W        T        F        S\n"
     sep = "*" * 59
@@ -106,13 +102,12 @@ class Calendar
       d -= g if d2 > months_days[n]
       print "\n"
     end
-    print("\n")
+    print "\n"
   end
 end
 
-
-calendar = Calendar.new
-input = calendar.parse_input
-
-calendar.calendar(input[0], input[1])
-
+if __FILE__ == $0
+  calendar = Calendar.new
+  input = calendar.parse_input
+  calendar.start(input[0], input[1])
+end
\ No newline at end of file