view_monthly_pricing

CREATE VIEW view_monthly_pricing AS
SELECT
    COALESCE(asset_data.company_id, license_data.company_id) AS company_id,
    COALESCE(asset_month, license_month) AS month,
    COALESCE(total_asset_price, 0) AS total_asset_price,
    COALESCE(total_license_price, 0) AS total_license_price,
    COALESCE(total_asset_price, 0) + COALESCE(total_license_price, 0) AS total_price
FROM
    (SELECT
        company_id,
        DATE_TRUNC('month', acquired_at) AS asset_month,
        SUM(price) AS total_asset_price
    FROM
        assets
    WHERE deleted_at IS NULL
    GROUP BY
        DATE_TRUNC('month', acquired_at), company_id) AS asset_data
FULL OUTER JOIN
    (SELECT
        company_id,
        DATE_TRUNC('month', purchased_at) AS license_month,
        SUM(price) AS total_license_price
    FROM
        licenses
    WHERE deleted_at IS NULL
    GROUP BY
        DATE_TRUNC('month', purchased_at), company_id) AS license_data
ON
    asset_data.company_id = license_data.company_id AND
    asset_data.asset_month = license_data.license_month
ORDER BY
    month;