79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
from __future__ import annotations
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from django.http import HttpResponse, StreamingHttpResponse
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from rest_framework.decorators import api_view
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from rest_framework.response import Response
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from .services import gps_service, network_service, video_service
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@api_view(["GET"])
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def dashboard_snapshot(request):
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return Response(
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{
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"gps": gps_service.get_latest(),
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"network": network_service.get_latest(),
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"video": video_service.get_status(),
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}
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)
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@api_view(["GET"])
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def gps_latest(request):
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return Response(gps_service.get_latest())
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@api_view(["GET"])
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def network_latest(request):
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return Response(network_service.get_latest())
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@api_view(["GET"])
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def video_status(request):
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return Response(video_service.get_status())
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def video_frame(request):
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status = video_service.get_status()
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if not status["available"]:
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return HttpResponse(
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status.get("source_detail") or f"JPEG frame directory not found: {status['frame_dir']}",
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status=503,
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content_type="text/plain; charset=utf-8",
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)
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try:
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frame = video_service.get_next_frame()
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except (FileNotFoundError, RuntimeError) as error:
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return HttpResponse(
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str(error),
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status=503,
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content_type="text/plain; charset=utf-8",
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)
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response = HttpResponse(frame, content_type="image/jpeg")
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response["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
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return response
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def video_stream(request):
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status = video_service.get_status()
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if not status["available"]:
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return HttpResponse(
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status.get("source_detail") or f"JPEG frame directory not found: {status['frame_dir']}",
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status=503,
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content_type="text/plain; charset=utf-8",
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)
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try:
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fps = float(request.GET.get("fps", status["fps"]))
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except (TypeError, ValueError):
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fps = float(status["fps"])
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response = StreamingHttpResponse(
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video_service.iter_mjpeg(fps=fps),
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content_type="multipart/x-mixed-replace; boundary=frame",
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)
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response["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
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return response
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