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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2008 Étienne Loks <etienne.loks_AT_peacefrogsDOTnet>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# See the file COPYING for details.
"""
Views of the project
"""
import datetime
from django.shortcuts import render_to_response
from django.template import loader
from django.http import HttpResponseRedirect, HttpResponse
from django.core import serializers
from chimere import settings
from chimere.main.actions import actions
from chimere.main.models import SubCategory, PropertyModel, Marker, Route, News
from chimere.main.widgets import getMapJS, PointChooserWidget, \
RouteChooserWidget, URL_OSM_JS
from chimere.main.forms import MarkerForm, RouteForm
def index(request):
"""
Main page
"""
subcategories = SubCategory.getAvailable()
# by default all subcategories are checked
for cat, sub_cats in subcategories:
all_checked = True
for sub_category in sub_cats:
if sub_category.id in settings.DEFAULT_CATEGORIES:
sub_category.selected = True
elif all_checked:
all_checked = False
if all_checked:
cat.selected = True
extra_js = ""
for url in URL_OSM_JS + ["%smain_map.js" % settings.MEDIA_URL]:
extra_js += '<script src="%s"></script>\n' % url
extra_js += '<script src="/chimere/jsi18n/"></script>\n'
# show the welcome page
today = datetime.date.today().strftime('%y-%m-%d')
display_welcome = None
if not 'last_visit' in request.session or \
request.session['last_visit'] != today:
request.session['last_visit'] = today
display_welcome = True
response_dct = {'actions':actions, 'action_selected':'view',
'error_message':'',
'sub_categories':subcategories,
'extra_head':extra_js + getMapJS(),
'media_path':settings.MEDIA_URL,
'welcome':welcome(request, display_welcome),
}
return render_to_response('main_map.html', response_dct)
def edit(request):
"""
Edition page
"""
# If the form has been submited
if request.method == 'POST':
form = MarkerForm(request.POST, request.FILES)
# All validation rules pass
if form.is_valid():
marker = form.save()
# set the submited status
marker.status = 'S'
marker.save()
return HttpResponseRedirect('/chimere/submited/edit')
else:
# An unbound form
form = MarkerForm()
# get the « manualy » declared_fields. Ie: properties
declared_fields = form.declared_fields.keys()
response_dct = {'actions':actions, 'action_selected':'edit',
'error_message':'',
'media_path':settings.MEDIA_URL,
'form':form,
'extra_head':form.media,
'sub_categories':SubCategory.getAvailable(['M', 'B']),
'point_widget':PointChooserWidget().render('point', None),
'properties':declared_fields
}
# manualy populate the custom widget
if 'subcategory' in form.data and form.data['subcategory']:
response_dct['current_category'] = int(form.data['subcategory'])
return render_to_response('edit.html', response_dct)
def editRoute(request):
"""
Route edition page
"""
# If the form has been submited
if request.method == 'POST':
form = RouteForm(request.POST, request.FILES)
# All validation rules pass
if form.is_valid():
route = form.save()
# set the submited status
route.status = 'S'
route.save()
return HttpResponseRedirect('/chimere/submited/edit_route')
else:
# An unbound form
form = RouteForm()
# get the « manualy » declared_fields. Ie: properties
declared_fields = form.declared_fields.keys()
response_dct = {'actions':actions, 'action_selected':'edit_route',
'error_message':'',
'media_path':settings.MEDIA_URL,
'form':form,
'extra_head':form.media,
'sub_categories':SubCategory.getAvailable(['R', 'B']),
'route_widget':RouteChooserWidget().render('route', None),
'properties':declared_fields
}
# manualy populate the custom widget
if 'subcategory' in form.data and form.data['subcategory']:
response_dct['current_category'] = int(form.data['subcategory'])
return render_to_response('edit_route.html', response_dct)
def welcome(request, display=None):
"""
Welcome string
"""
response_dct = {'display':display}
response_dct['news_lst'] = News.objects.filter(available=True)
return loader.render_to_string('welcome.html', response_dct)
def submited(request, action):
"""
Successful submission page
"""
response_dct = {'actions':actions, 'action_selected':action,
'media_path':settings.MEDIA_URL,}
return render_to_response('submited.html', response_dct)
def getDetail(request, marker_id):
'''
Get the detail for a marker
'''
try:
marker = Marker.objects.filter(id=int(marker_id), status='A')[0]
except (ValueError, IndexError):
return HttpResponse('no results')
response_dct= {'media_path':settings.MEDIA_URL, 'marker':marker}
return render_to_response('detail.html', response_dct)
def getGeoObjects(request, category_ids, status='A'):
'''
Get the JSON for a route
'''
status = status.split('_')
try:
query = Route.objects.filter(status__in=status,
subcategory__in=category_ids.split('_'))
except:
return HttpResponse('no results')
geo_objects = list(query)
try:
query = Marker.objects.filter(status__in=status,
subcategory__in=category_ids.split('_'))
except:
return HttpResponse('no results')
geo_objects += list(query)
if not geo_objects:
return HttpResponse('no results')
data = '{"type": "FeatureCollection", "features":[%s]}' % \
",".join([geo_object.getGeoJSON() for geo_object in geo_objects])
return HttpResponse(data)
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