Add option to prefer magnet links for torrents #1799
Labels
Area: Indexer
Issue is related to indexers.
Status: Investigating
We're looking in to it
Type: Feature Request
Issue is a feature request.
Is there an existing issue for this?
Is your feature request related to a problem? Please describe
There are occasionally situations where a torrent name (so what shows up and is scored in Sonarr/Radarr for grab purposes) is different between the magnet link and the torrent file. This mainly affects anime as torrent/release naming vs file naming can vary significantly between various release groups, but could affect anything where these naming differences occur.
Example of a current VARYG release for Bleach from AnimeTosho:
Torrent name: Bleach Thousand-Year Blood War S01E16 The Fundamental Virulence 1080p NF WEB-DL AAC2.0 H 264-VARYG (Multi-Subs)
File name: Bleach.Thousand-Year.Blood.War.S01E16.The.Fundamental.Virulence.1080p.NF.WEB-DL.AAC2.0.H.264-VARYG.mkv
.torrent file name: Bleach.Thousand-Year.Blood.War.S01E16.The.Fundamental.Virulence.1080p.NF.WEB-DL.AAC2.0.H.264-VARYG.torrent
Magnet name: Bleach%20Thousand-Year%20Blood%20War%20S01E16%20The%20Fundamental%20Virulence%201080p%20NF%20WEB-DL%20AAC2.0%20H%20264-VARYG%20%28Multi-Subs%29 (url encoded, it's the same as the torrent name)
What happens in this scenario is that Sonarr will initially score the release high, but on import using the .torrent file it will be scored lower due to how the regex for VARYG is currently crafted. The regex is such that the release title must contain Multi-Subs to avoid their raw release as they have relatively poor naming. So it scores high initially (as it matches the regex via torrent name), but scores low on actual import. This has been noted to cause download loops as well. If added via magnet link (which Nyaa.si supports) the scoring is correct across the board and avoids issues.
Since the general recommendation is to not point automation at Nyaa.si it's not currently possible to automate magnet links from other sources that have magnet link support, such as AnimeTosho.
Describe the solution you'd like
Similar to how Nyaa.si is implemented in Prowlarr currently, add an option to toggle prefer magnet links.
Describe alternatives you've considered
N/A
Anything else?
N/A
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