service/search.rb
get '/searchTweet' do
@word = params[:word]
@tweets = Tweet.where('content LIKE :query', query: "%#{@word}%").all
@n = params[:n].to_i || 0
erb :showSearchTweet
end
get '/searchUser' do
@word = params[:word]
@users = User.where('username LIKE :query', query: "%#{@word}%").all
@n = params[:n].to_i || 0
erb :showSearchUser
end