Simplify passing parameters to application without conditional statements

Author: hayat01sh1da

python/main.py

@@ -9,18 +9,12 @@
 unit     = input('Provide your preferred unit d(daily - default), w(weekly) or m(monthly): ').strip()
 year     = input('Provide the specific year you would like to create working report templates for(Default: the current year): ').strip()
 
-if username and unit and year:
-    app = Application(username = username, unit = unit, year = year)
-elif username:
-    app = Application(username = username)
-elif unit:
-    app = Application(unit = unit)
-elif year:
-    app = Application(year = year)
-else:
-    app = Application()
+params = dict()
+for key, value in { 'username': username, 'unit': unit, 'year': year }.items():
+    if value:
+        params[key] = value
 
-app.run()
+Application(**params).run()
 
 pycaches = glob.glob(os.path.join('.', '**', '__pycache__'), recursive = True)
 for pycache in pycaches:

ruby/main.rb

@@ -9,18 +9,6 @@
 puts 'Provide the specific year you would like to create working report templates for(Default: the current year)'
 year = gets.chomp.strip
 
-username = _username.empty? ? nil : _username
-unit     = _unit.empty? ? nil : _unit
-year     = _year.empty? ? nil : _year
+params = { username:, unit:, year: }.reject { |_, value| value.empty? }
 
-if username && unit && year
-  Application.run(username:, unit:, year:)
-elsif username
-  Application.run(username:)
-elsif unit
-  Application.run(unit:)
-elsif year
-  Application.run(year:)
-else
-  Application.run
-end
+Application.run(**params)

ruby/src/application.rb

@@ -8,24 +8,24 @@ class DigitLengthError < StandardError; end
   USERNAMES = ['hayat01sh1da'].freeze
 
   def self.run(username: 'hayat01sh1da', unit: 'd', year: Time.now.year.to_s)
-    instance = new(username, unit, year)
-    instance.validate_username!(username)
-    instance.validate_unit!(unit)
-    instance.validate_year!(year)
+    instance = new(username:, unit:, year:)
+    instance.validate_username!
+    instance.validate_unit!
+    instance.validate_year!
     instance.run
   end
 
-  def initialize(username, unit, year)
+  def initialize(username: 'hayat01sh1da', unit: 'd', year: Time.now.year.to_s)
     @username = username
     @unit     = unit
     @year     = year
   end
 
-  def validate_username!(username)
+  def validate_username!
     raise ValueError, "#{username} is NOT a permitted username." unless USERNAMES.include?(username)
   end
 
-  def validate_unit!(unit)
+  def validate_unit!
     case unit
     when 'd', 'w', 'm'
       unit
@@ -34,7 +34,7 @@ def validate_unit!(unit)
     end
   end
 
-  def validate_year!(year)
+  def validate_year!
     Integer(year)
     if year.length > 4
       raise DigitLengthError, 'Year must be 4 digits.'