hasswebhookbot

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A simple maubot to get homeassistant-notifications in your favorite matrix room

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![GitHub release (latest by date)](https://img.shields.io/github/v/release/v411e/hasswebhookbot)

# Home Assistant notification bot for [matrix](https://matrix.org/) via webhooks
A [maubot](https://github.com/maubot) bot to get [Home Assistant](https://github.com/home-assistant) notifications in your favorite matrix room.
Simple message                         |  Edited message with reaction | Image
:-------------------------------------:|:-------------------------:|:----:
![Imgur](https://i.imgur.com/y22FQKe.jpg)|  ![Imgur](https://i.imgur.com/rPUdca3.jpeg) | ![Imgur](https://imgur.com/CdFZPf9.png)

I am describing in this [blog post](https://riess.dev/washing-machine-notifications/) how I use this bot to get notified whenever my washing machine has finised.

## Configuration
First add this plugin to your maubot manager:
1. Load the *.mbp file of the current [release](https://github.com/v411e/hasswebhookbot/releases)
2. Create client and instance
3. Configure instance `base_url`

After setting up the plugin just invite the bot into an *encrypted* room. Each room has an indvidual "webhook url". To get yours just write `!ha`. The bot replies with the `WEBHOOK_URL` of your room and also generates some YAML code for the configuration of your home assistant instance (like below).

`configuration.yaml` on HA (don't forget to reload):
```yaml
notify:
  - name: HASS_MAUBOT
    platform: rest
    resource: "<WEBHOOK_URL>"
    method: POST_JSON
    data:
      type: "{{data.type}}"
      identifier: "{{data.identifier}}"
      callback_url: "{{data.callback_url}}"
      lifetime: "{{data.lifetime}}"
      content: "{{data.content}}"
      contentType: "{{data.contentType}}"
      name: "{{data.name}}"
      thumbnailSize: 512
```

## Usage
The bot is almost stateless (database only used for lifetime) and can be used within multiple rooms.
Most attributes are optional. The only attribute that always has to be provided through home assistant is `data: message`. You can set this to `None` if you are not using it (e.g. sending a redaction or image)
```yaml
service: notify.<your_service_name>
data:
  message: <your_message>
  data:
    type: <message / reaction / edit / redaction / image>         # The type of action
    identifier: <letterbox.status / event_id.$DRTYGw...>  # Use your own identifier (#1) or reference an event_id (#2)
    callback_url: https://<your home assistant instance>/api/webhook/<some_hook_id>  # Optional: Get a callback with entity_id of sent message
    lifetime: 1440    # Optional: Activate message self-deletion after given time in minutes
```

## Examples
### Send a message
```yaml
service: notify.hass_maubot
data:
  message: Die Post ist da! 📬
  data:
    type: message
    identifier: letterbox.status
    callback_url: https://ha.example.com/api/webhook/some_hook_id
    lifetime: 1440
```
### Send a message (but minimal)
```yaml
service: notify.hass_maubot
data:
  message: "hi"
  data:
    type: "message"
```
### Delete a message
```yaml
service: notify.hass_maubot
data:
  message: None
  data:
    type: redaction
    identifier: letterbox.status
```
or
```yaml
service: notify.hass_maubot
data:
  message: None
  data:
    type: redaction
    identifier: event_id.$DRTYGw...     # event_id can be obtained through callback
```
### React to message
```yaml
service: notify.hass_maubot
data:
  message: 📬
  data:
    type: reaction
    identifier: letterbox.status
```
or
```yaml
service: notify.hass_maubot
data:
  message: 📬
  data:
    type: reaction
    identifier: event_id.$DRTYGw...     # event_id can be obtained through callback
```
### Edit message
```yaml
service: notify.hass_maubot
data:
  message: <del>Die Post ist da! 📬</del>
  data:
    type: edit
    identifier: letterbox.status
```
or
```yaml
service: notify.hass_maubot
data:
  message: <del>Die Post ist da! 📬</del>
  data:
    type: edit
    identifier: event_id.$DRTYGw...     # event_id can be obtained through callback
```

### Send image
```yaml
service: notify.hass_maubot
data:
  message: None
  data:
    type: "image"
    content: "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"
    contentType: "image/png"
    name: "halogo.png"
```
The image sending functionality is contributed and used by https://github.com/AlexanderBabel/mail-parser.

## Maubot plugin config
**Hint:** Depending on your preference, you can choose between two different modes for the edit feature:
1. Content of `<del></del>` is discarded in the Matrix notification (`keep_del_tag: true`) <br> Notification example:
```
* - New message
```
2. Content of `<del></del>` is displayed as normal text (`keep_del_tag: false`) <br> Notification example: 
```
* Previous message - New message
```

You can change this setting on the maubot configuration page.

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