rls-discogs/README.md

# rls-discogs

scene release to discogs release

# using

  - [fish](https://fishshell.com/)
  - [discogs-xml-to-elasticsearch](https://github.com/SuperToma/discogs-xml-to-elasticsearch)
  - [curl](https://curl.se/)
  - [jq](https://stedolan.github.io/jq/)
  - [websocat](https://github.com/vi/websocat)

# flow

scene rls name > parse > artist / title / year as .tsv > search discogs > .json

# tools

  - `in-ws-predb.ovh.sh` read scene release names from predb websocket
  - `parse-rls.fish` parse scene release name
  - `search-discogs-api.fish` search discogs release using Discogs REST API
  - `search-discogs-elastic.fish` search discogs release using ElasticSearch
  - `search-deezer-api.fish` search for album with Deezer REST API
  - `out-fallback.jq` fallback search helper
  - `out-ids.jq` filter ids from json output
  - `out-simple.jq` filter genre from json output

# usage

parse rls name as tab separated values
```sh
$ echo 'Kraftwerk-Autobahn-Remastered-CD-FLAC-2009-BCC' | ./parse-rls.fish | column -t -s "$(printf '\t')"
Kraftwerk-Autobahn-Remastered-CD-FLAC-2009-BCC  Kraftwerk  Autobahn      CD  Remastered  2009
```

parse rls name as json
```sh
$ echo 'Kraftwerk-Autobahn-Remastered-CD-FLAC-2009-BCC' | ./parse-rls.fish -j | jq .
{
  "artist": "Kraftwerk",
  "barcode": null,
  "catno": null,
  "edition": "Remastered",
  "format": "CD",
  "rls": "Kraftwerk-Autobahn-Remastered-CD-FLAC-2009-BCC",
  "title": "Autobahn",
  "year": "2009"
}
```

parse rls name, search local ElasticSearch, output discogs ids
```sh
$ echo 'Kraftwerk-Autobahn-Remastered-CD-FLAC-2009-BCC' | ./parse-rls.fish | ./search-discogs-elastic.fish | ./out-ids.jq
{"artist_id":4654,"master_id":2994,"release_id":1966322,"rls":"Kraftwerk-Autobahn-Remastered-CD-FLAC-2009-BCC"}
```

get rls names from websocket, parse rls name, search with api.discogs.com, write .json
```sh
$ ./in-ws-predb.ovh.sh | ./parse-rls.fish | search-discogs-api.fish > out.api.json
```

parse rls name, search local ElasticSearch, write json, filter empty results and convert json to tsv, fallback search with Discogs API, write json
```sh
$ echo 'Band_Of_Horses-Things_Are_Great-CD-2022-FATHEAD' | ./parse-rls.fish | ./search-discogs-elastic.fish | \
  tee out.es.json | ./out-fallback.jq | ./search-discogs-api.fish > out.api.json
$ jq ._search_result_count out.es.json out.api.json
0
1
```

With fish shell:

parse rls names from local folder, search Deezer, filter cover URL, download cover image into local folder
```sh
ls -1 /path/ | ./parse-rls.fish | ./search-deezer-api.fish | ./out-deezer-cover.jq | while read -l RLS COVER ; if not test -f "/path/$RLS/cover.jpg"; curl -s -o "/path/$RLS/cover.jpg" "$COVER"; end; end
```