// first get a series of data that you want to forecast
series = Orders.group_by_day(:created_at).sum("quantity_shipped")
// it should look like
// series = {
// Date.parse("2020-01-01") => 100,
// Date.parse("2020-01-02") => 150,
// Date.parse("2020-01-03") => 100,
// Date.parse("2020-01-04") => 136,
// Date.parse("2020-01-05") => 138,
// Date.parse("2020-01-06") => 139,
// Date.parse("2020-01-07") => 150,
// Date.parse("2020-01-08") => 166,
// Date.parse("2020-01-09") => 176,
// Date.parse("2020-01-10") => 186,
// Date.parse("2020-01-11") => 199,
// }
// Then POST it.
uri = URI("https://forecast.shipmentbot.com/forecast")
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
request = Net::HTTP::Post.new(uri.path, {'Content-Type' => 'application/json'})
request.body = {
'data' => data.as_json,
'count' => 100
}.to_json
response = http.request(request).body