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bgneal@820
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1 """Views for the bandmap application.
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bgneal@820
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2
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bgneal@820
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3 """
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bgneal@827
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4 import json
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bgneal@827
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5
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bgneal@820
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6 from django.contrib.auth.decorators import login_required
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bgneal@820
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7 from django.shortcuts import redirect, render
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bgneal@821
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8 from django.contrib import messages as django_messages
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bgneal@827
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9 from django.http import HttpResponse
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bgneal@827
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10 from django.template.loader import render_to_string
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bgneal@827
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11 from django.core.cache import cache
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bgneal@838
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12 from django.conf import settings
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bgneal@820
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13
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bgneal@820
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14 from bandmap.forms import BandForm
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bgneal@827
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15 from bandmap.models import BandEntry
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bgneal@820
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16
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bgneal@820
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17
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bgneal@821
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18 SUCCESS = "Successfully submitted {} for admin review. Thanks!"
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bgneal@821
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19
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bgneal@821
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20
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bgneal@820
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21 def map_view(request):
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bgneal@820
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22 return render(request, 'bandmap/map.html')
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bgneal@820
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23
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bgneal@820
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24
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bgneal@820
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25 @login_required
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bgneal@820
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26 def add_band(request):
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bgneal@820
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27 """
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bgneal@820
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28 Provides the ability for a user to submit a new band to the map.
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bgneal@820
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29
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bgneal@820
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30 """
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bgneal@820
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31 if request.method == 'POST':
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bgneal@820
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32 form = BandForm(request.POST)
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bgneal@820
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33 if form.is_valid():
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bgneal@820
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34 band = form.save(commit=False)
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bgneal@820
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35 band.user = request.user
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bgneal@820
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36 band.save()
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bgneal@821
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37 django_messages.success(request, SUCCESS.format(band.name))
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bgneal@825
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38 return redirect('bandmap-add')
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bgneal@820
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39 else:
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bgneal@820
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40 form = BandForm()
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bgneal@820
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41
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bgneal@820
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42 return render(request, 'bandmap/add.html', {
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bgneal@820
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43 'form': form,
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bgneal@820
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44 })
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bgneal@827
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45
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bgneal@827
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46
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bgneal@827
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47 def query(request):
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bgneal@827
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48 """Retrieves the band map entries and returns them as JSON.
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bgneal@827
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49
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bgneal@827
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50 """
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bgneal@827
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51 show_param = request.GET.get('show', 'all')
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bgneal@827
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52 if show_param not in ['all', 'active', 'inactive']:
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bgneal@827
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53 show_param = 'all'
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bgneal@827
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54
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bgneal@827
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55 # Do we have the results cached already?
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bgneal@827
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56 cache_key = 'bandmap-results-{}'.format(show_param)
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bgneal@827
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57 results = cache.get(cache_key)
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bgneal@838
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58 if results and not settings.DEBUG:
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bgneal@827
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59 return HttpResponse(results, content_type='application/json')
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bgneal@827
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60
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bgneal@827
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61 # Generate results
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bgneal@827
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62 qs = BandEntry.objects.filter(is_approved=True)
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bgneal@827
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63 if show_param == 'active':
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bgneal@827
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64 qs = qs.filter(is_active=True)
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bgneal@827
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65 elif show_param == 'inactive':
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bgneal@827
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66 qs = qs.filter(is_active=False)
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bgneal@827
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67
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bgneal@827
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68 bands = []
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bgneal@827
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69 for band in qs.iterator():
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bgneal@831
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70 note = render_to_string('bandmap/balloon.html', {'band': band})
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bgneal@831
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71 note = note.strip().replace('\n', '')
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bgneal@827
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72 bands.append({
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bgneal@827
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73 'name': band.name,
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bgneal@827
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74 'lat': band.lat,
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bgneal@827
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75 'lon': band.lon,
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bgneal@830
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76 'is_active': band.is_active,
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bgneal@831
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77 'note': note,
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bgneal@827
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78 })
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bgneal@827
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79 results = json.dumps(bands)
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bgneal@827
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80
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bgneal@827
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81 # Store in cache
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bgneal@827
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82 cache.set(cache_key, results, 300)
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bgneal@827
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83
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bgneal@827
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84 return HttpResponse(results, content_type='application/json')
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