Tracking multiple product categories in an eCommerceView

Still stuck here.

We have two problems:

Problem 1: This request does not track an eCommerceView

piwik.php?action_name=Buy&idsite=1&rec=1&r=880015&h=12&m=19&s=32&url=https%3A%2F%2Frelease%2Findex.php%3Foption%3Dcom_locator%26view%3Ddirectory%26layout%3Dcombined%26framed%3D1%26tmpl%3Dcomponent%26Itemid%3D8343%26preview%3D1%26groupid%5Bproducts%5D%3DTEST-17Lptp&_id=acfc42bafb559bd7&_idts=1508429709&_idvc=9&_idn=0&_refts=0&_viewts=1509557754&send_image=1&pdf=1&qt=0&realp=0&wma=0&dir=0&fla=1&java=0&gears=0&ag=0&cookie=1&res=1920x1200&dimension2=8343&dimension3=Test&dimension5=TEST-17Lptp&dimension13=GROUP&cvar=%7B%222%22%3A%5B%22_pkp%22%2C%22879.99%22%5D%2C%225%22%3A%5B%22_pkc%22%2C%22%5B%5C%22TEST-17Lptp%5C%22%2C%5C%22Consumer%20(PS)%5C%22%2C%5C%22TEST%20Home%20Notebook%20PCs%5C%22%2C%5C%22Home%20Laptop%20PCs%5C%22%2C%5C%22Personal%20Systems%5C%22%5D%22%5D%7D&gt_ms=269&pv_id=LgSr2F

Problem 2: This tracks an eCommerceView, but the categories we provide do not appear in the product category report

piwik.php?action_name=Buy&idsite=1&rec=1&r=164835&h=12&m=26&s=47&url=https%3A%2F%2Frelease.locator%2Findex.php%3Foption%3Dcom_locator%26view%3Ddirectory%26layout%3Dcombined%26framed%3D1%26tmpl%3Dcomponent%26Itemid%3D8343%26preview%3D1%26sku%5Bproducts%5D%3DX7N08A&_id=acfc42bafb559bd7&_idts=1508429709&_idvc=9&_idn=0&_refts=0&_viewts=1509557754&send_image=1&pdf=1&qt=0&realp=0&wma=0&dir=0&fla=1&java=0&gears=0&ag=0&cookie=1&res=1920x1200&dimension2=8343&dimension3=Test&dimension4=6&dimension5=Test&dimension13=SKU&cvar=%7B%222%22%3A%5B%22_pkp%22%2C%22129.99%22%5D%2C%223%22%3A%5B%22_pks%22%2C%22X7N08A%22%5D%2C%224%22%3A%5B%22_pkn%22%2C%22Photo%20Printer%20%22%5D%2C%225%22%3A%5B%22_pkc%22%2C%22%5B%5C%22Printer%5C%22%2C%5C%22Color%20Inkjet%20Printers%5C%22%2C%5C%22Document%20and%20Photo%20Printers%5C%22%2C%5C%22Home%20(Print)%5C%22%2C%5C%22Print%5C%22%5D%22%5D%7D&gt_ms=221&pv_id=wU6FWl

The HTTP tracking API doesn’t seem to provide any information on what an eCommerceView is and how that differs from a page view, if at all.

If someone could even point me in the right direction I’m running out of options.