posts_controller.rb

def get_posts
  branch = params[:action]
  search = params[:search]
  category = params[:category]

  if category.blank? && search.blank?
    posts = Post.by_branch(branch).all
  elsif category.blank? && search.present?
    posts = Post.by_branch(branch).search(search)
  elsif category.present? && search.blank?
    posts = Post.by_category(branch, category)
  elsif category.present? && search.present?
    posts = Post.by_category(branch, category).search(search)
  else
  end
end