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satnogs-network
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views/prediction_windows: Add comments 

Signed-off-by: Fabian P. Schmidt <kerel@mailbox.org>
merge-requests/832/head
Fabian P. Schmidt 2019-12-19 11:38:25 +01:00
parent 4539cc4af0
commit fab37d905b
1 changed files with 6 additions and 0 deletions
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6
network/base/views.py
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@ -376,18 +376,22 @@ def prediction_windows(request):
params = prediction_windows_parse_parameters(request)
# Check the selected satellite exists and is alive
try:
sat = Satellite.objects.filter(status='alive').get(norad_cat_id=params['sat_norad_id'])
except Satellite.DoesNotExist:
data = [{'error': 'You should select a Satellite first.'}]
return JsonResponse(data, safe=False)
# Check there is a TLE available for this satellite
try:
tle = LatestTle.objects.get(satellite_id=sat.id)
except LatestTle.DoesNotExist:
data = [{'error': 'No TLEs for this satellite yet.'}]
return JsonResponse(data, safe=False)
# Check the selected transmitter exists, and if yes,
# store this transmitter in the downlink variable
try:
transmitter = get_transmitter_by_uuid(params['transmitter'])
if not transmitter:
@ -398,6 +402,7 @@ def prediction_windows(request):
data = [{'error': error.message}]
return JsonResponse(data, safe=False)
# Fetch all available ground stations
stations = Station.objects.filter(status__gt=0).prefetch_related(
Prefetch(
'observations',
@ -407,6 +412,7 @@ def prediction_windows(request):
)
if params['station_ids'] and params['station_ids'] != ['']:
# Filter ground stations based on the given selection
stations = stations.filter(id__in=params['station_ids'])
if not stations:
if len(params['station_ids']) == 1: