Support "2 Click Install" feature

[idolize]

Proposed Changes

Support for uploading custom maps without audio files to BeatSaver

• Add requiresExternalAudioFile boolean to the beatmap metadata
• Set requiresExternalAudioFile to true if the zip file contains audio.json and fingerprint.bin
• If requiresExternalAudioFile, determine song length via audio.json instead of ffprobe
• If requiresExternalAudioFile, disable in-browser preview functionality
• If requiresExternalAudioFile, show "bring your own song" indicator in stats area

Platforms

This pull request modifies: (select all that apply)

• Client
• Server

Types of Changes

This pull request is contains: (select all that apply)

• Bug fixes (non-breaking change which fixes an issue)
• New features (non-breaking change which adds functionality)
• Breaking changes (fix or feature that would cause existing functionality to not work as expected)

Checklist

• I have read the contribution guidelines
• I have checked the changes adhere to the project's style guide and all tests pass
• I have (to the best of my ability) checked for vulnerabilities, or any ways that my code could be abused and concluded that it is safe to run in production

Further Comments

This is part of a series of changes aimed at allowing custom maps to be created, uploaded, and used all without distributing any song file directly (instead the user must supply their own song).

luludotdev/beatmap-schemas#10
bsmg/ModAssistant#232

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[idolize]

@lolPants do you have any thoughts about this?

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.