Align TPDB scene mapping with Plex Metadata Response (adult flag, actor identity, external GUIDs)

[Copilot]

This PR closes gaps between TPDB payloads and Plex’s richer metadata contract: explicit adult classification, stronger performer→actor identity mapping, and external ID mappings for faster/more-accurate cross-provider matching.

• Adult-content classification

  • Set isAdult unconditionally in mapped scene outputs to reflect TPDB-only adult content.
  • Applied to both match payloads and full metadata payloads.

• External identifier mapping (Guid array)

  • Added Guid entries in Plex format (provider://id) sourced from TPDB scene fields and nested ID containers.
  • Supports Plex-native providers (imdb, tmdb, tvdb) plus TPDB-native identity (tpdb://...) for stable internal linkage.

• Performer → Plex Role enrichment

  • Extended Role entries with stable performer IDs (tpdb://performer/{id-or-slug}), in addition to existing tag/thumb mapping.
  • Preserves deterministic precedence when both id and slug are present.

• Coverage updates for new contract behavior

  • Added assertions for hardcoded isAdult, Guid emission, performer ID precedence, and empty-image metadata response behavior.

# example mapped metadata excerpt
{
  "isAdult": 1,
  "Guid": [
    {"id": "imdb://tt1234567"},
    {"id": "tmdb://98765"},
    {"id": "tpdb://123"}
  ],
  "Role": [
    {"tag": "Performer", "id": "tpdb://performer/p1", "thumb": "https://img/p.jpg"}
  ]
}

Original prompt

Fix Plex image handling in the repository adeze/plex-tpdb-scanner.

Problem:

• Plex is requesting GET /library/metadata/{rating_key}/images and the provider currently returns 404 because no such route exists.
• The provider currently implements only:
  • GET /
  • POST /library/metadata/matches
  • GET /library/metadata/{rating_key}
• Match and metadata payloads currently use the TPDB scene slug as ratingKey/key, which is acceptable in the current design; the immediate bug is the missing /images endpoint.

Repository context:

• FastAPI app in provider/main.py
• Existing metadata route in provider/routes/metadata.py
• Metadata fetching logic in provider/services/metadata_service.py
• TPDB-to-Plex mapping helpers in provider/mappers/tpdb_to_plex.py
• TPDB API client in metadata_tool/api.py

Please implement a proper fix with code changes and open a pull request.

Requirements:

1. Add support for GET /library/metadata/{rating_key}/images.
2. Reuse existing metadata/service/mapping code where practical; prefer existing project patterns and well-known libraries already in the repo.
3. Fetch the scene by rating_key (currently TPDB slug), hydrate as needed, and return Plex-compatible image data for poster/thumb/art/background if available.
4. Avoid breaking current /library/metadata/{rating_key} behavior.
5. If appropriate, add a small helper/service function to centralize image extraction from TPDB scene payloads.
6. Add or update tests covering the new route and a successful non-404 response when scene images exist; also cover the not-found case.
7. Keep implementation straightforward and Pythonic.

Docs to align with:

• Plex metadata provider docs referenced by the user: https://developer.plex.tv/pms/index.html#section/API-Info/Metadata-Providers
• TPDB API docs referenced by the user: https://api.theporndb.net/docs

Expected outcome:

• A PR against main that fixes the missing images endpoint so Plex no longer gets 404 for /library/metadata/{rating_key}/images when metadata is present.

The following is the prior conversation context from the user's chat exploration (may be truncated):

User: how do i rebuild the container via docker compose?

Assistant: From the repo root, run:

docker compose up -d --build

That works because docker-compose.yml uses build: . for the tpdb-provider service, so Compose will rebuild the image from the local Dockerfile and recreate the container.

If you want to force a clean rebuild, use:

docker compose build --no-cache
docker compose up -d

Or in one go:

docker compose up -d --build --force-recreate

A few repo-specific notes:

• docker-compose.yml is the file to use for local rebuilds.
• docker-compose.portainer.yml uses a prebuilt image (ghcr.io/mystrock/plex-tpdb-scanner:latest), so that one does not rebuild from your local source.
• You’ll also need TPDB_API_KEY set in your shell or a .env file before starting.

Typical flow:

git clone https://github.com/adeze/plex-tpdb-scanner.git
cd plex-tpdb-scanner
export TPDB_API_KEY=your_api_key_here
docker compose up -d --build

To verify it came back up:

docker compose ps
docker compose logs -f

If you want, I can also show you the best docker compose workflow for Apple Silicon specifically, including when to use --no-cache, down, and volume cleanup.

User: do i need to turn off the current running container? how?

Assistant: Yes — usually you should stop and remove the currently running container before bringing up the rebuilt one, though docker compose up -d --build will often recreate it for you automatically.

Simplest safe approach from the repo directory:

docker compose down
docker compose up -d --build

What these do:

• docker compose down stops and removes the existing container, network, and Compose-managed resources.
• docker compose up -d --build rebuilds the image and starts a fresh container in the background.

If you want minimal steps, this is often enough by itself:

docker compose up -d --build

Compose will detect the config/image change and replace the running container.

If you specifically want to stop just the running service first:

docker compose stop
docker compose rm -f
docker compose up -d --build

Useful checks:

docker compose ps
docker compose logs -f tpdb-provider

If the old container was started outside Compose, remove it manually:

docker stop tpdb-provider
docker rm tpdb-provider

Recommended for your case: use this sequence:

cd plex-tpdb-scanner
docker compose down
docker compose up -d --build

If you want, I can give you the exact command sequence for macOS zsh with your TPDB_API_KEY included.

User: i think there's an error since the logs show:

INFO:     172.67.149.54:31411 - "GET /library/metadata/vrmassaged-fit-redhead-is-craving-your-dick-pt2/images?X-Plex-Country=US&X-Plex...

</details>



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*This pull request was created from Copilot chat.*
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[Copilot]

Pull request overview

This PR expands the TPDB→Plex mapping layer and provider API surface to better match Plex’s metadata expectations by adding an /images endpoint, enriching performer identity in Role, emitting external GUID mappings, and explicitly flagging adult content.

Changes:

• Added GET /library/metadata/{rating_key}/images plus supporting MetadataService.get_images() and scene→image-entry mapping.
• Extended scene mapping to always emit isAdult = 1, add external Guid entries (imdb/tmdb/tvdb/tpdb), and add stable performer Role.id values.
• Updated and added tests covering the new mapping behavior and the /images route responses.

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
provider/mappers/tpdb_to_plex.py	Adds scene image extraction + /images mapping, GUID emission, adult flag, and richer performer role identity mapping.
provider/services/metadata_service.py	Centralizes get_scene() hydration and adds get_images() for the new route.
provider/services/match_service.py	Expands “has image” detection to include face fields during hydration decisions.
provider/routes/metadata.py	Adds the new GET /library/metadata/{rating_key}/images endpoint.
provider/routes/manifest.py	Advertises the images feature in the provider manifest.
tests/test_tpdb_enrichment.py	Adds assertions for adult/GUID/role-id behavior and new map_scene_to_images() behavior.
tests/test_metadata_routes.py	Introduces route-level tests for the new /images endpoint behavior (200/404/empty).
README.md	Documents the new /library/metadata/{id}/images endpoint.

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