2024-10-27 19:49:14 +01:00
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# Jellyfin SmartPlaylist Plugin
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2024-10-28 02:31:20 +01:00
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Smart playlists with Lisp filter engine.
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2024-11-08 22:38:46 +01:00
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This readme contains instructions for the most recent changes in
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the development branch (`main`). To view the file appropriate
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for your version select the tag corresponding to your version.
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2024-11-24 23:28:57 +01:00
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The latest version is [v0.3.0.0](https://gitea.redxef.at/redxef/jellyfin-smart-playlist/src/tag/v0.3.0.0).
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2024-10-27 19:49:14 +01:00
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## How to use
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After [installing](#installation) the plugin and restarting Jellyfin
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create a empty file in `config/data/smartplaylists` like this, maybe
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you want to generate a playlist of your favourite rock songs:
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```
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$ touch config/data/smartplaylists/Rock.yaml
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```
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Afterwards run the Task `(re)generate Smart Playlists`, this will rename
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the `yaml` file and populate it with some default values. You can now
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adjust the file to your liking. [Go here](examples.md) to see more
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examples.
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```yaml
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Id: Rock
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Playlists:
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- PlaylistId: 24f12e1e-3278-d6d6-0ca4-066e93296c95
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UserId: 6eec632a-ff0d-4d09-aad0-bf9e90b14bc6
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Name: Rock
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Program: (begin (invoke item "IsFavoriteOrLiked" (list *user*)))
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SortProgram: (begin items)
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Filename: /config/data/smartplaylists/Rock.yaml
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Enabled: true
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```
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This is the default configuration and will always match all your
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favorite songs (and songs which are in favourited albums).
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To change the filter you can append a `|` (pipe) to the Program
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line and write multiline filters like this:
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```yaml
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Porgram: |
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(begin
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(invoke item "IsFavoriteOrLiked" (list *user*)))
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```
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This is equivalent to the above example (not counting the other
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fields obviously).
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### Id
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Arbitrary Id assigned to this playlist, can usually be left alone.
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### Playlists
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A list of Playlist/User mappings. By default all users get an entry.
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The ids must have the dashes in them as of now. To convert a id
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from without dashes to the canonical form run this command:
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`echo '<your id here>' | python3 -c 'import uuid; import sys; print(uuid.UUID(sys.stdin.read().strip()))'`
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To get your user id navigate to your user profile and copy the part
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after `userId` in the address bar.
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#### PlaylistId
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The id of the playlist that should be managed, must be owned by the
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corresponding user.
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#### UserId
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The user associated with this playlist.
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### Name
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The name of the generated playlists, this is just a default value.
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If the user changes the name of their playlist the plugin will
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still work and remember the correct playlist.
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### Program
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A lisp program to decide on a per item basis if it should be included in
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the playlist, return `nil` to not include items, return any other value
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to include them. Global variables `*user*` and `*item*` are predefined
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and contain a [User](https://github.com/jellyfin/jellyfin/blob/master/Jellyfin.Data/Entities/User.cs) and
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[BaseItem](https://github.com/jellyfin/jellyfin/blob/master/MediaBrowser.Controller/Entities/BaseItem.cs)
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respectively.
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2024-11-08 22:50:38 +01:00
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**!!! The filter expression will include all items matching, if you do
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not specify the kind of item to include/exclude all of them will be
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added. Should you allow a playlist to be included all of it's items
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will be added to the generated playlist !!!**
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It's best to be explicit and always specify the item kinds you want to
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include: `(and (or (is-type "MusicAlbum") (is-type "Audio")) . rest of filter)`.
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The configuration page defines some useful functions to make it easier
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to create filters. The above filter for liked items could be simplified
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to: `(is-favourite)`.
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2024-12-17 23:08:01 +01:00
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*Go [here](lisp.md) to get an overview of the built-in functions.*
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### SortProgram
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This works exactly like [Program](#program), but the input is the
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user and a list of items (`*items*`) matched by [Program](#program).
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The default is `(begin *items*)`, which doesn't sort at all. To sort
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the items by name you could use the following program:
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```lisp
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(qsort
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(lambda
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(a b)
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(string>
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(car (getitems a "Name"))
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(car (getitems b "Name"))))
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*items*)
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```
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### Filename
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The path to this file, only used internally and updated by the program.
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### Enabled
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Enable this playlist, currently ignored.
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## Installation
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2024-10-30 03:22:19 +01:00
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Add the [plugin repository](https://jellyfin.org/docs/general/server/plugins/#catalog)
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to Jellyfin:
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`https://gitea.redxef.at/redxef/jellyfin-smart-playlist/raw/branch/manifest/manifest.json`
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Go to `Dashboard>Catalog>(Gear)>(Plus)` and paste the provided link into
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the field labeled `Repository URL`, give the plugin a descriptive name
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too.
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## Releasing a new version
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1. Write the changelog: `git log --oneline $prev_version..`
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2. Update the following files to include up-to-date version numbers
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and changelogs, if applicable:
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- `README.md`
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- `Jellyfin.Plugin.SmartPlaylist/build.yaml`
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- `Jellyfin.Plugin.SmartPlaylist/jellyfin-smart-playlist.csproj`
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Don't forget to also bump the ABI version of Jellyfin.
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3. Push the changes
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4. Create a new release with the changelog, mark as pre-release if
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applicable.
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5. Done! The build pipeline will do the rest.
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