diff --git a/contributions.rb b/contributions.rb
index cd53e76..1c834f1 100644
--- a/contributions.rb
+++ b/contributions.rb
@@ -5,46 +5,61 @@
 
 class Contributions
   def run
-    organization = ENV['INPUT_ORGANIZATION']
-    project      = ENV['INPUT_PROJECT']
-    username     = ENV['INPUT_USERNAME']
-    readme_path  = ENV['INPUT_README_PATH']
-    git_username = ENV['INPUT_COMMIT_USER']
-    git_email    = ENV['INPUT_COMMIT_EMAIL']
+    organization   = ENV['INPUT_ORGANIZATION']
+    project        = ENV['INPUT_PROJECT']
+    username       = ENV['INPUT_USERNAME']
+    readme_path    = ENV['INPUT_README_PATH']
+    git_username   = ENV['INPUT_COMMIT_USER']
+    git_email      = ENV['INPUT_COMMIT_EMAIL']
     commit_message = ENV['INPUT_COMMIT_MESSAGE'] || 'Update README.md'
 
     gitlab_url = "https://gitlab.com/api/v4/projects/#{organization}%2F#{project}/merge_requests?scope=all&state=merged&author_username=#{username}&per_page=1000"
 
-    uri = URI(gitlab_url)
+    fetch_and_update_readme(project, gitlab_url, readme_path, commit_message, git_username, git_email)
+  rescue StandardError => e
+    puts "Error: #{e.message}"
+    exit 1
+  end
+
+  private
+
+  def fetch_and_update_readme(project, url, readme_path, commit_message, git_username, git_email)
+    uri = URI(url)
     req = Net::HTTP::Get.new(uri)
 
-    res = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
+    response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
       http.request(req)
     end
 
-    if res.code == '200'
-      merged_merge_requests = JSON.parse(res.body)
+    if response.is_a?(Net::HTTPSuccess)
+      merged_merge_requests = JSON.parse(response.body)
       merged_count = merged_merge_requests.count
 
-      # Update README.md with the count
-      readme_content = File.read(readme_path)
-      start_marker = '<!-- MERGED_PULL_REQUESTS_START -->'
-      end_marker = '<!-- MERGED_PULL_REQUESTS_END -->'
-      updated_readme_content = readme_content.gsub(/#{start_marker}.*#{end_marker}/m, "#{start_marker}\nPull requests merged in #{project}: #{merged_count}\n#{end_marker}")
-      File.write(readme_path, updated_readme_content)
-
-      # git flow
-      `git config --global --add safe.directory /github/workspace`
-      `git config user.name #{git_username}`
-      `git config user.email #{git_email}`
-      status = `git status`
-      if !status.include?("nothing to commit")
-        `git add #{readme_path}`
-        `git commit -m "#{commit_message}"`
-        `git push`
-      end
+      update_readme_content(project, readme_path, merged_count)
+      update_git_repo(readme_path, commit_message, git_username, git_email)
     else
-      puts "Failed to retrieve merged pull requests: #{res.code} - #{res.message}"
+      puts "Failed to retrieve merged pull requests: #{response.code} - #{response.message}"
+    end
+  end
+
+  def update_readme_content(project, readme_path, merged_count)
+    readme_content = File.read(readme_path)
+    start_marker = ''
+    end_marker = ''
+    updated_readme_content = readme_content.gsub(/#{start_marker}.*#{end_marker}/m, "#{start_marker}\nPull requests merged in #{project}: #{merged_count}\n#{end_marker}")
+    File.write(readme_path, updated_readme_content)
+  end
+
+  def update_git_repo(readme_path, commit_message, git_username, git_email)
+    `git config --global --add safe.directory /github/workspace`
+    `git config user.name #{git_username}`
+    `git config user.email #{git_email}`
+
+    status = `git status`
+    unless status.include?("nothing to commit")
+      `git add #{readme_path}`
+      `git commit -m "#{commit_message}"`
+      `git push`
     end
   end
 end