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path: root/src/server/immich.py
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import requests
import random
from io import BytesIO
from queue import Queue

from .texture import ImageTexture
from .manager import PixMan


class ImmichConnector:
    def __init__(self):
        config = PixMan().config
        self.server_url = config.immich_url.removesuffix("/")
        self.api_key = config.immich_api_key
        self.texture_load_queue = Queue()

    def _request(self, endpoint):
        if not self.server_url:
            return None
        return requests.get(f"{self.server_url}/api/{endpoint}", headers={ "x-api-key": self.api_key })

    def load_all_albums(self):
        response = self._request("albums")
        if not response or response.status_code != 200: return

        data = response.json()
        return data

    def load_album_assets(self, key):
        response = self._request(f"albums/{key}")
        if not response or response.status_code != 200: return

        data = response.json()
        return data["assets"]

    def load_albums_assets(self, keys):
        config = PixMan().config

        assets = []
        for key in keys:
            assets += self.load_album_assets(key)

        if config.order == "newest-first" or config.order == "oldest-first":
            # NOTE: asset.createdAt is a ISO 8601 date string, which are able to be sorted via python string sorting
            assets_sorted = sorted(assets, key=lambda asset: asset["createdAt"], reverse=(config.order == "newest-first"))
        elif config.order == "random":
            assets_sorted = assets
            random.shuffle(assets_sorted)

        assert assets_sorted, f"Invalid config value for 'order': {config.order}"
        return assets_sorted

    def load_image(self, key, size="preview"):
        response = self._request(f"assets/{key}/thumbnail?size={size}")
        if not response or response.status_code != 200: return None, None

        image_data = BytesIO(response.content)
        mimetype = response.headers.get("Content-Type")
        return image_data, mimetype

    def load_image_filename(self, key):
        response = self._request(f"assets/{key}")
        if not response or response.status_code != 200: return None, None

        data = response.json()
        return data["originalFileName"]

    def load_texture_async(self, texture_list, image_texture):
        self.texture_load_queue.put((texture_list, image_texture))

    def idle(self):
        config = PixMan().config
        size = config.display_size
        while True:
            texture_list, image_texture = self.texture_load_queue.get()
            if not texture_list.index_in_cache_range(image_texture.asset_index) or texture_list.void:
                continue  # Texture was never loaded so it doesn't need to be free'd
            image_data, _ = self.load_image(image_texture.asset_key, size)
            image_texture.initialize(image_data)

    def validate_connection(self):
        # TODO
        return True