72 lines
2.4 KiB
Python
72 lines
2.4 KiB
Python
from django.contrib.auth.decorators import login_required
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from django.db.models import Count
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from django.http import JsonResponse
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from django.shortcuts import render
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# Create your views here.
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from django.utils.decorators import method_decorator
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from django.views.generic import ListView
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from policy.models import DroughtSpi
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@method_decorator(login_required, name='dispatch')
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class DroughtSpiListView(ListView):
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context_object_name = 'spis'
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paginate_by = 100
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def get_queryset(self):
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self.keyword = self.request.GET.get('keyword', '')
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if len(self.keyword) != 0:
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return DroughtSpi.objects.filter(code__contains=self.keyword)
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return DroughtSpi.objects.all()
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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context['keyword'] = self.keyword
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return context
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@login_required
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def drought_spi_chart(request):
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code = request.GET.get('code', 'V7001')
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year_from = request.GET.get('year_from', '1979')
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year_to = request.GET.get('year_to', '1989')
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codes = DroughtSpi.objects.only('code').values('code').annotate(total=Count('code')).order_by('code')
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years = range(1979, 2018)
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months = range(1, 13)
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spis = DroughtSpi.objects.filter(code=code, year__range=(year_from, year_to))
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return render(request, 'policy/drought_spi_chart.html',
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{'codes': codes, 'years': years, 'months': months, 'spis': spis, 'code': code, 'year_from': year_from,
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'year_to': year_to, })
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@login_required
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def timeline4(request):
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return render(request, 'graphic/timeline4.html')
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@login_required
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def timeline5(request):
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return render(request, 'graphic/timeline5.html')
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@login_required
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def drought_spi_json(request):
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code = request.GET.get('code')
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year_from = request.GET.get('year_from')
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year_to = request.GET.get('year_to')
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year = request.GET.get('year')
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month = request.GET.get('month')
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q = DroughtSpi.objects.all()
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if code:
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q = q.filter(code=code)
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if year_from and year_to:
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q = q.filter(year__range=(year_from, year_to))
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if year and month:
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q = q.filter(year=year, month=month)
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results = []
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for spi in q:
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o = dict()
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o['code'] = spi.code
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o['year'] = str(spi.year)
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o['month'] = str(spi.month)
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o['value'] = spi.value
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results.append(o)
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return JsonResponse(results, safe=False)
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