Mercurial > public > sg101
view bandmap/views.py @ 978:a828e80223d2
Prevent 500 error when previewing no text.
Don't call image_check() when there is no data.
author | Brian Neal <bgneal@gmail.com> |
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date | Mon, 05 Oct 2015 20:26:14 -0500 (2015-10-06) |
parents | 09ed84a7394c |
children | bb7e2fc24690 |
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"""Views for the bandmap application. """ import json from django.contrib.auth.decorators import login_required from django.shortcuts import redirect, render from django.contrib import messages as django_messages from django.http import HttpResponse from django.core.cache import cache from django.conf import settings from bandmap.forms import BandForm from bandmap.models import BandEntry SUCCESS = u"Successfully submitted {} for admin review. Thanks!" def map_view(request): return render(request, 'bandmap/map.html') @login_required def add_band(request): """ Provides the ability for a user to submit a new band to the map. """ if request.method == 'POST': form = BandForm(request.POST) if form.is_valid(): band = form.save(commit=False) band.user = request.user band.save() django_messages.success(request, SUCCESS.format(band.name)) return redirect('bandmap-add') else: form = BandForm() return render(request, 'bandmap/add.html', { 'form': form, }) def query(request): """Retrieves the band map entries and returns them as JSON. """ show_param = request.GET.get('show', 'all') if show_param not in ['all', 'active', 'inactive']: show_param = 'all' # Do we have the results cached already? cache_key = 'bandmap-results-{}'.format(show_param) results = cache.get(cache_key) if results and not settings.DEBUG: return HttpResponse(results, content_type='application/json') # Generate results qs = BandEntry.objects.filter(is_approved=True) if show_param == 'active': qs = qs.filter(is_active=True) elif show_param == 'inactive': qs = qs.filter(is_active=False) bands = [] for band in qs.iterator(): bands.append({ 'name': band.name, 'lat': band.lat, 'lon': band.lon, 'is_active': band.is_active, 'note': band.html, }) results = json.dumps(bands) # Store in cache cache.set(cache_key, results, 600) return HttpResponse(results, content_type='application/json')