100 lines
3.5 KiB
Python
100 lines
3.5 KiB
Python
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from db.base.models import Satellite, Transmitter, Mode, DemodData
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def calculate_statistics():
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"""View to create statistics endpoint."""
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satellites = Satellite.objects.all()
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transmitters = Transmitter.objects.all()
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modes = Mode.objects.all()
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total_satellites = satellites.count()
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total_transmitters = transmitters.count()
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total_data = DemodData.objects.all().count()
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alive_transmitters = transmitters.filter(alive=True).count()
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alive_transmitters_percentage = '{0}%'.format(round((float(alive_transmitters) /
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float(total_transmitters)) * 100, 2))
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mode_label = []
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mode_data = []
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for mode in modes:
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tr = transmitters.filter(mode=mode).count()
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mode_label.append(mode.name)
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mode_data.append(tr)
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band_label = []
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band_data = []
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# <30.000.000 - HF
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filtered = transmitters.filter(downlink_low__lt=30000000).count()
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band_label.append('HF')
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band_data.append(filtered)
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# 30.000.000 ~ 300.000.000 - VHF
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filtered = transmitters.filter(downlink_low__gte=30000000,
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downlink_low__lt=300000000).count()
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band_label.append('VHF')
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band_data.append(filtered)
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# 300.000.000 ~ 1.000.000.000 - UHF
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filtered = transmitters.filter(downlink_low__gte=300000000,
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downlink_low__lt=1000000000).count()
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band_label.append('UHF')
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band_data.append(filtered)
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# 1G ~ 2G - L
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filtered = transmitters.filter(downlink_low__gte=1000000000,
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downlink_low__lt=2000000000).count()
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band_label.append('L')
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band_data.append(filtered)
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# 2G ~ 4G - S
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filtered = transmitters.filter(downlink_low__gte=2000000000,
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downlink_low__lt=4000000000).count()
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band_label.append('S')
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band_data.append(filtered)
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# 4G ~ 8G - C
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filtered = transmitters.filter(downlink_low__gte=4000000000,
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downlink_low__lt=8000000000).count()
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band_label.append('C')
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band_data.append(filtered)
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# 8G ~ 12G - X
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filtered = transmitters.filter(downlink_low__gte=8000000000,
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downlink_low__lt=12000000000).count()
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band_label.append('X')
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band_data.append(filtered)
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# 12G ~ 18G - Ku
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filtered = transmitters.filter(downlink_low__gte=12000000000,
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downlink_low__lt=18000000000).count()
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band_label.append('Ku')
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band_data.append(filtered)
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# 18G ~ 27G - K
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filtered = transmitters.filter(downlink_low__gte=18000000000,
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downlink_low__lt=27000000000).count()
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band_label.append('K')
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band_data.append(filtered)
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# 27G ~ 40G - Ka
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filtered = transmitters.filter(downlink_low__gte=27000000000,
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downlink_low__lt=40000000000).count()
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band_label.append('Ka')
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band_data.append(filtered)
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mode_data_sorted, mode_label_sorted = zip(*sorted(zip(mode_data, mode_label), reverse=True))
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band_data_sorted, band_label_sorted = zip(*sorted(zip(band_data, band_label), reverse=True))
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statistics = {
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'total_satellites': total_satellites,
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'total_data': total_data,
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'transmitters': total_transmitters,
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'transmitters_alive': alive_transmitters_percentage,
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'mode_label': mode_label_sorted,
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'mode_data': mode_data_sorted,
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'band_label': band_label_sorted,
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'band_data': band_data_sorted
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}
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return statistics
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