Sinatra delivers data as json and deliver data in csv as attachment

data2csv-data2json-data2arr.rb

require 'sinatra'
require 'json'
require 'csv'

# Serve data as JSON
get '/hi/:name' do 
    name = params[:name]
    content_type :json
  { :message => name }.to_json
end

# Serve data as CSV file
get '/csv' do 
    content_type 'application/csv'
    attachment "myfilename.csv"
    csv_string = CSV.generate do |csv|
        csv << ["row", "of", "CSV", "data"]
        csv << ["another", "row"]
        # ...
    end    
end

# Upload form
get '/upload' do
    erb :upload
end

# Handle POST-request (Receive and save the uploaded file and line by line load its content to an array.)
post '/upload' do   
    content = params['myfile'][:tempfile].read
    content_arr = []
    content.each_line do |line|
        content_arr << line
    end
    puts content_arr  
  return "The operation has been successful! The uploaded csv content is in an array."
end

This saved my ass. Thank you!

Thanks!

thank you!