[ASC] Implement Apple App Store Report Download

[Blackjacx]

The Problem

Many companies need to download the reports for theirs app(s) on a regular basis. For manually downloading these reports they need to navigate the clunky website from Apple. If they have multiple apps this gets even more complicated

The solution

An automatic, ideally CI based, solution for downloading these reports on a regular basis would be optimal here.

Acceptance Criteria

• Extend ASC by reports and reports.download command (URLSession file download)
• Write CSV reports to a specified folder (--out)

Optional

• Write a GH Action to download the reports which uses asc reports download (beiwagen repo 👍)
• Upload artifacts to external service (GH Repo, AWS, …)
• Push link to Slack
• Advertise in BI world

Links

• App Store Connect API • Sales and Finance Reports
• Generate and read analytics reports from the App Store Connect API