Summary

summary.rb

google_data = {
  "spend" => {
    "overall" => {
      "mtd" => {
        "total" => 1111.32,
        "yy" => 13.24
      },
      "last_7_d" => {
        "total" => 321.30,
        "yy" => 5.38
      },
      "last_30_d" => {
        "total" => 1007.05,
        "yy" => 7.55
      },
      ...
    },
    "campaign_group_1" => {
      "mtd" => {
        "total" => 1111.32,
        "yy" => 13.24
      },
      "last_7_d" => {
        "total" => 321.30,
        "yy" => 5.38
      },
      "last_14_d" => {
        "total" => 1007.05,
        "yy" => 7.55
      },
      ...
    },
    ...
  },
  "conversions" => {
    "overall" => {
      "mtd" => {...},
      "last_7_d" => {...},
      "last_14_d" => {...},
      ...
    },
    "campaign_group_1" => {...},
    ...
  },
  ...
}