Immich Album Watcher

A Home Assistant custom integration that monitors Immich photo/video library albums for changes and exposes them as Home Assistant entities with event-firing capabilities.

Features

• Album Monitoring - Watch selected Immich albums for asset additions and removals
• Rich Sensor Data - Multiple sensors per album:
  • Album ID (with share URL attribute)
  • Asset count (with detected people list)
  • Photo count
  • Video count
  • Last updated timestamp
  • Creation date
• Camera Entity - Album thumbnail displayed as a camera entity for dashboards
• Binary Sensor - "New Assets" indicator that turns on when assets are added
• Face Recognition - Detects and lists people recognized in album photos
• Event Firing - Fires Home Assistant events when albums change:
  • immich_album_watcher_album_changed - General album changes
  • immich_album_watcher_assets_added - When new assets are added
  • immich_album_watcher_assets_removed - When assets are removed
• Enhanced Event Data - Events include detailed asset info:
  • Asset type (photo/video)
  • Filename
  • Creation date
  • Asset owner (who uploaded the asset)
  • Asset description/caption
  • Public URL (if album has a shared link)
  • Detected people in the asset
• Services - Custom service calls:
  • immich_album_watcher.refresh - Force immediate data refresh
  • immich_album_watcher.get_recent_assets - Get recent assets from an album
  • immich_album_watcher.send_telegram_notification - Send text, photo, video, or media group to Telegram
• Share Link Management - Button entities to create and delete share links:
  • Create/delete public (unprotected) share links
  • Create/delete password-protected share links
  • Edit protected link passwords via Text entity
• Configurable Polling - Adjustable scan interval (10-3600 seconds)

Installation

HACS Installation (Recommended)

1. Open HACS in Home Assistant
2. Click on the three dots in the top right corner
3. Select Custom repositories
4. Add this repository URL: https://github.com/DolgolyovAlexei/haos-hacs-immich-album-watcher
5. Select Integration as the category
6. Click Add
7. Search for "Immich Album Watcher" in HACS and install it
8. Restart Home Assistant
9. Add the integration via Settings → Devices & Services → Add Integration

Manual Installation

1. Download or clone this repository
2. Copy the custom_components/immich_album_watcher folder to your Home Assistant config/custom_components directory
3. Restart Home Assistant
4. Add the integration via Settings → Devices & Services → Add Integration

Tip: For the best experience, use this integration with the Immich Album Watcher Blueprint to easily create automations for album change notifications.

Configuration

Option	Description	Default
Server URL	Your Immich server URL (e.g., https://immich.example.com)	Required
API Key	Your Immich API key	Required
Albums	Albums to monitor	Required
Scan Interval	How often to check for changes (seconds)	60
Telegram Bot Token	Bot token for sending media to Telegram (optional)	-

Entities Created (per album)

Entity Type	Name	Description
Sensor	Album ID	Album identifier with album_name and share_url attributes
Sensor	Asset Count	Total number of assets (includes people list in attributes)
Sensor	Photo Count	Number of photos in the album
Sensor	Video Count	Number of videos in the album
Sensor	Last Updated	When the album was last modified
Sensor	Created	When the album was created
Sensor	Public URL	Public share link URL (accessible links without password)
Sensor	Protected URL	Password-protected share link URL (if any exist)
Sensor	Protected Password	Password for the protected share link (read-only)
Binary Sensor	New Assets	On when new assets were recently added
Camera	Thumbnail	Album cover image
Text	Protected Password	Editable password for the protected share link
Button	Create Share Link	Creates an unprotected public share link
Button	Delete Share Link	Deletes the unprotected public share link
Button	Create Protected Link	Creates a password-protected share link
Button	Delete Protected Link	Deletes the password-protected share link

Services

Refresh

Force an immediate refresh of all album data:

service: immich_album_watcher.refresh

Get Recent Assets

Get the most recent assets from a specific album (returns response data):

service: immich_album_watcher.get_recent_assets
target:
  entity_id: sensor.album_name_asset_count
data:
  count: 10

Send Telegram Notification

Send notifications to Telegram. Supports multiple formats:

• Text message - When urls is empty or not provided
• Single photo - When urls contains one photo
• Single video - When urls contains one video
• Media group - When urls contains multiple items

The service downloads media from Immich and uploads it to Telegram, bypassing any CORS restrictions. Large lists of media are automatically split into multiple media groups based on the max_group_size parameter (default: 10 items per group).

Examples:

Text message:

service: immich_album_watcher.send_telegram_notification
target:
  entity_id: sensor.album_name_asset_count
data:
  chat_id: "-1001234567890"
  caption: "Check out the new album!"
  disable_web_page_preview: true

Single photo:

service: immich_album_watcher.send_telegram_notification
target:
  entity_id: sensor.album_name_asset_count
data:
  chat_id: "-1001234567890"
  urls:
    - url: "https://immich.example.com/api/assets/xxx/thumbnail?key=yyy"
      type: photo
  caption: "Beautiful sunset!"

Media group:

service: immich_album_watcher.send_telegram_notification
target:
  entity_id: sensor.album_name_asset_count
data:
  chat_id: "-1001234567890"
  urls:
    - url: "https://immich.example.com/api/assets/xxx/thumbnail?key=yyy"
      type: photo
    - url: "https://immich.example.com/api/assets/zzz/video/playback?key=yyy"
      type: video
  caption: "New photos from the album!"
  reply_to_message_id: 123

Field	Description	Required
chat_id	Telegram chat ID to send to	Yes
urls	List of media items with url and type (photo/video). Empty for text message.	No
bot_token	Telegram bot token (uses configured token if not provided)	No
caption	For media: caption applied to first item. For text: the message text.	No
reply_to_message_id	Message ID to reply to	No
disable_web_page_preview	Disable link previews in text messages	No
max_group_size	Maximum media items per group (2-10). Large lists split into multiple groups. Default: 10	No
chunk_delay	Delay in milliseconds between sending multiple groups (0-60000). Useful for rate limiting. Default: 0	No

The service returns a response with success status and message_id (single message), message_ids (media group), or groups_sent (number of groups when split).

Events

Use these events in your automations:

automation:
  - alias: "New photos added to album"
    trigger:
      - platform: event
        event_type: immich_album_watcher_assets_added
    action:
      - service: notify.mobile_app
        data:
          title: "New Photos"
          message: "{{ trigger.event.data.added_count }} new photos in {{ trigger.event.data.album_name }}"

Event Data

Field	Description
album_id	Album ID
album_name	Album name
album_url	Public URL to view the album (only present if album has a shared link)
change_type	Type of change (assets_added, assets_removed, changed)
added_count	Number of assets added
removed_count	Number of assets removed
added_assets	List of added assets with details (see below)
removed_assets	List of removed asset IDs
people	List of all people detected in the album

Added Assets Fields

Each item in the added_assets list contains the following fields:

Field	Description
id	Unique asset ID
asset_type	Type of asset (IMAGE or VIDEO)
asset_filename	Original filename of the asset
asset_created	Date/time when the asset was originally created
asset_owner	Display name of the user who owns the asset
asset_owner_id	Unique ID of the user who owns the asset
asset_description	Description/caption of the asset (from EXIF data)
asset_url	Public URL to view the asset (only present if album has a shared link)
people	List of people detected in this specific asset

Example accessing asset owner in an automation:

automation:
  - alias: "Notify when someone adds photos"
    trigger:
      - platform: event
        event_type: immich_album_watcher_assets_added
    action:
      - service: notify.mobile_app
        data:
          title: "New Photos"
          message: >
            {{ trigger.event.data.added_assets[0].asset_owner }} added
            {{ trigger.event.data.added_count }} photos to {{ trigger.event.data.album_name }}

Requirements

• Home Assistant 2024.1.0 or newer
• Immich server with API access
• Valid Immich API key with the following permissions:

Required API Permissions

Permission	Required	Description
album.read	Yes	Read album data and asset lists
asset.read	Yes	Read asset details (type, filename, creation date)
user.read	Yes	Resolve asset owner names
person.read	Yes	Read face recognition / people data
sharedLink.read	Yes	Read shared links for public/protected URL sensors
sharedLink.create	Optional	Create share links via the Button entities
sharedLink.edit	Optional	Edit shared link passwords via the Text entity
sharedLink.delete	Optional	Delete share links via the Button entities

Note: Without optional permissions, the corresponding entities will be unavailable or non-functional.

Contributing

Contributions are welcome! Please feel free to submit issues or pull requests.

License

This project is licensed under the MIT License - see the LICENSE file for details.