Prepare Python20 Course Experiments

lib/user_group_separator.rb

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+class UserGroupSeparator
+
+  # Different user groups for Python20 course based on last digit of the user_id
+  # 0: show_tips && no_linter
+  # 1: no_tips && show_linter
+  # 2: show_tips && show_linter
+  # 3: no_tips && no_linter
+
+  # separates user into 50% no tips, 50% with tips
+  def self.get_tips_group(user_id)
+    user_group = user_id % 4 # => 0, 1, 2, 3
+    if [0, 2].include?(user_group)
+      :show_tips
+    else # [1, 3].include?(user_group)
+      :no_tips
+    end
+  end
+
+  # separates user into 50% with linter, 50% without linter
+  def self.get_linter_group(user_id)
+    user_group = user_id % 4 # => 0, 1, 2, 3
+    if [1, 2].include?(user_group)
+      :show_linter
+    else # [0, 3].include?(user_group)
+      :no_linter
+    end
+  end
+end