2022-05-30 09:46:11 +00:00
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from datetime import datetime
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from channels.layers import get_channel_layer
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2022-04-02 17:30:58 +00:00
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from django.shortcuts import render
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2022-05-30 09:46:11 +00:00
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from django.views.decorators.csrf import csrf_exempt
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2022-05-24 15:53:31 +00:00
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from django.views.generic import ListView, TemplateView
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2022-05-30 09:46:11 +00:00
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from gmqtt import Client
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from rest_framework.utils import json
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from homelog import settings
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from homelog.system_user import get_system_user
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2022-04-13 13:43:20 +00:00
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from .models import Scanner
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2022-05-30 09:46:11 +00:00
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from django.http import HttpResponse
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import logging
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LOGGER = logging.getLogger(__name__)
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2022-04-02 17:30:58 +00:00
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2022-04-13 13:43:20 +00:00
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class IndexView(ListView):
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model = Scanner
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template_name = 'booker/index.html'
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2022-04-02 17:30:58 +00:00
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2022-05-30 09:46:11 +00:00
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def scanner_view(request, scanner_id):
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2022-04-02 17:30:58 +00:00
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return render(request, 'booker/scanner.html', {
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'scanner_id': scanner_id
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2022-04-13 13:43:20 +00:00
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})
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2022-05-24 15:53:31 +00:00
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2022-05-30 09:46:11 +00:00
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2022-05-24 15:53:31 +00:00
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class SmartphoneScannerView(TemplateView):
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template_name = 'booker/smartphone_scanner.html'
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2022-05-30 09:46:11 +00:00
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class ChromeScannerView(TemplateView):
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template_name = 'booker/chrome_scanner.html'
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@csrf_exempt
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def web_scanner_view(request, scanner_id):
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def get_or_create_scanner(named_id):
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scanner, created = Scanner.objects.get_or_create(named_id=named_id, defaults={
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# 'lwt_topic': topic,
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'description': 'WebAPI scanner',
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'last_online_ts': datetime.now(),
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'created_by': get_system_user(),
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'changed_by': get_system_user()
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})
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if created:
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LOGGER.debug(f"Created new scanner entry for {named_id}")
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else:
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LOGGER.debug(f"Updated scanner entry for {named_id}")
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return scanner
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print(f"Got {request.POST['scan']} from scanner {scanner_id}")
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get_or_create_scanner(scanner_id)
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topic = f"barcodescanner/{scanner_id}/scan"
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'''
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client = Client('homelog-webscanner')
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client.set_auth_credentials(username=settings.MQTT_USER, password=settings.MQTT_PASSWORD)
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client.connect(settings.MQTT_HOST, 1883, keepalive=60, version=settings.MQTT_VERSION)
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client.publish(topic, request.POST['scan'])
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client.disconnect()
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# MqttConsumer().mqtt_publish({'topic': topic, 'payload': request.POST['scan'], 'retain': False})
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'''
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channel_layer = get_channel_layer()
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channel_layer.group_send(
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'mqtt', # scanner_id,
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{"type": "distribute", "text": json.dumps({'message': request.POST['scan'], 'topic': topic})}
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)
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'''
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'''
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return HttpResponse(f"<html><body><p>OK, got {request.POST['scan']} from {scanner_id}</p></body></html>")
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