initial work

.github/workflows/hacs.yml

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+name: HACS Validation
+
+on:
+  workflow_dispatch:
+  push:
+  pull_request:
+  schedule:
+    - cron: "0 0 * * *"
+
+
+jobs:
+  validate:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@v2"
+      - name: HACS validation
+        uses: "hacs/action@main"
+        with:
+          category: "integration"

.github/workflows/hassfest.yml

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+name: Validate with hassfest
+
+on:
+  workflow_dispatch:
+  push:
+  pull_request:
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  validate:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@v2"
+      - uses: home-assistant/actions/hassfest@master

LICENSE

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+MIT License
+
+Copyright (c) 2024 baldarn
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+[![hacs_badge](https://img.shields.io/badge/HACS-Default-41BDF5.svg)](https://github.com/hacs/integration)
+
+# Whatsapper integration
+
+TODO descr
+
+## Getting started
+
+Install Whatsapper add on.
+
+You can find that in [alexbelgium](https://github.com/alexbelgium/hassio-addons)
+
+### Installation
+Whatsapper is now part ot the Default HACS repositories list.
+Just add it from the Integrations list.
+
+### Configuration
+To use Whatsapper notifications edit the `configuration.yaml` file.
+
+```yaml
+notify:
+  - platform: whatsapper
+    name: some name that you want
+    chat_id: [email protected] # WhatsApp chat id (see below)
+```
+
+#### Get chat id
+
+To get all you chat ids, go on the web browser and call:
+
+```url
+http://192.168.1.123:4000/chats
+```
+
+Search and find the chat where you want to send messages and get it's id
+
+### Whatsapper host_port configuration
+
+If your whatsapper instance is somewhere else, you can specify that:
+
+```yaml
+notify:
+  - platform: whatsapper
+    name: some name that you want
+    host_port: 192.168.1.123:4000 # host:port of the whatsapper instance
+    chat_id: [email protected] # WhatsApp chat id
+```

custom_components/whatsapper/__init__.py

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+

custom_components/whatsapper/manifest.json

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+{
+    "domain": "whatsapper",
+    "name": "Whatsapper integration",
+    "codeowners": ["baldarn"],
+    "documentation": "https://github.com/baldarn/whatsapper-ha-integration",
+    "iot_class": "local_push",
+    "issue_tracker": "https://github.com/baldarn/whatsapper-ha-integration/issues",
+    "requirements": [],
+    "version": "2024.1.26"
+}

custom_components/whatsapper/notify.py

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+"""Whatsapper platform for notify component."""
+from __future__ import annotations
+
+import logging
+
+import voluptuous as vol
+
+import requests
+
+from homeassistant.components.notify import (
+    PLATFORM_SCHEMA,
+    BaseNotificationService,
+)
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
+
+
+_LOGGER = logging.getLogger(__name__)
+
+HOST_PORT = "host_port"
+CONF_CHAT_ID = "chat_id"
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({vol.Required(CONF_CHAT_ID): vol.Coerce(str)})
+
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> WhatsapperNotificationService:
+    """Get the Whatsapper notification service."""
+
+    chat_id = config.get(CONF_CHAT_ID)
+    host_port = config.get(HOST_PORT)
+
+    if host_port is None:
+        host_port = "localhost:4000"
+
+    return WhatsapperNotificationService(hass, chat_id, host_port)
+
+class WhatsapperNotificationService(BaseNotificationService):
+
+    def __init__(self, hass, chat_id, host_port):
+        """Initialize the service."""
+        self.chat_id = chat_id
+        self.host_port = host_port
+        self.hass = hass
+
+    def send_message(self, message="", **kwargs):
+        """Send a message to the target."""
+        try:
+            # Actually send the message
+            url = f'http://{self.host_port}/command'
+            body = {"command":"sendMessage", "params":[self.chat_id, message]}
+            resp = requests.post(url, json = body)
+            print(resp.text)
+        except Exception as e:
+            _LOGGER.error("Sending to %s failed: %s", self._chat_id, e)

custom_components/whatsapper/services.yaml

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+notify:
+  description: "Send a notification using Whatsapper"
+  fields:
+    message:
+      description: The message to send
+      example: "Hello World"

hacs.json

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+{
+  "name": "Whatsapper notification",
+  "render_readme": true,
+  "iot_class": "local_push"
+}