149 lines
4.8 KiB
Python
149 lines
4.8 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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''' Django views. '''
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from django.shortcuts import render, redirect, get_object_or_404
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from django.urls import reverse_lazy
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from django.views.generic.edit import CreateView, UpdateView, DeleteView
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from django.views.generic import ListView
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from django.views import View
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from django.http import Http404
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from django.contrib import messages
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from django.contrib.auth.mixins import UserPassesTestMixin, LoginRequiredMixin
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from django.contrib.messages.views import SuccessMessageMixin
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from .forms import (
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ExplorerCreationForm,
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PlaceForm,
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PlaceImageCreateForm
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)
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from .models import Place, PlaceImage, Voucher
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# Create your views here.
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# BaseView that checks if user is logged in.
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class IsAuthenticated(LoginRequiredMixin, View):
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redirect_field_name = 'redirect_to'
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# BaseView that checks if logged in user is submitter of place.
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class IsSubmitter(UserPassesTestMixin, View):
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def test_func(self):
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""" Check if user is eligible to modify place. """
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if self.request.user.is_superuser:
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return True
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# Check if currently logged in user was the submitter
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place_obj = self.get_object()
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if self.request.user == place_obj.submitted_by:
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return True
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messages.error(
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self.request, 'You do not have permission to do this.')
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return False
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class SignUpView(SuccessMessageMixin, CreateView):
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form_class = ExplorerCreationForm
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success_url = reverse_lazy('login')
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template_name = 'signup.html'
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success_message = 'User created.'
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class PlaceListView(IsAuthenticated, ListView):
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paginate_by = 5
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model = Place
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template_name = 'place/place_list.html'
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class PlaceDetailView(IsAuthenticated, View):
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def get(self, request, pk):
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context = {
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'place': Place.objects.get(pk=pk)
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}
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return render(request, 'place/place_detail.html', context)
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class HomeView(View):
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def get(self, request, *args, **kwargs):
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place_list = Place.objects.all().order_by('-submitted_when')[:10]
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place_map_center = Place.average_latlon()
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context = {
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'place_list': place_list,
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'place_map_center': place_map_center
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}
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return render(request, 'home.html', context)
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class PlaceUpdateView(IsAuthenticated, IsSubmitter, SuccessMessageMixin, UpdateView):
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template_name = 'place/place_update.html'
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model = Place
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form_class = PlaceForm
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success_message = 'Successfully updated place.'
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def get_success_url(self):
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return reverse_lazy('place_detail', kwargs={'pk':self.get_object().pk})
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class PlaceCreateView(IsAuthenticated, View):
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def get(self, request, *args, **kwargs):
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place_image_form = PlaceImageCreateForm()
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place_form = PlaceForm()
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context = {
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'place_form': place_form,
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'place_image_form': place_image_form
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}
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return render(request, 'place/place_create.html', context)
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def post(self, request, *args, **kwargs):
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place_form = PlaceForm(request.POST)
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if place_form.is_valid():
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submitter = request.user
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place = place_form.save(commit=False)
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# Save logged in user as "submitted_by"
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place.submitted_by = submitter
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place.save()
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if request.FILES:
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self._apply_multipart_image_upload(
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files=request.FILES.getlist('filename'),
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place=place,
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submitter=submitter
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)
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kwargs_to_pass = {
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'pk': place.pk
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}
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messages.success(
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self.request, 'Successfully created place.')
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return redirect(reverse_lazy('place_detail', kwargs=kwargs_to_pass))
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else:
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context = {
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'form': form_place
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}
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# Usually the browser should have checked the form before sending.
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messages.error(
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self.request, 'Please fill in all required fields.')
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return render(request, 'place/place_create.html', context)
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def _apply_multipart_image_upload(self, files, place, submitter):
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for image in files:
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place_image = PlaceImage.objects.create(
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filename=image,
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place=place,
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submitted_by=submitter
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)
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place_image.save()
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class PlaceDeleteView(IsAuthenticated, IsSubmitter, DeleteView):
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template_name = 'place/place_delete.html'
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model = Place
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success_message = 'Successfully deleted place.'
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success_url = reverse_lazy('place_list')
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success_message = 'Place deleted'
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def delete(self, request, *args, **kwargs):
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messages.success(self.request, self.success_message)
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return super().delete(request, *args, **kwargs)
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