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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2008-2010 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 itertools import groupby
from django.utils.translation import ugettext as _
from django.shortcuts import render_to_response
from django.template import loader
from django.http import HttpResponseRedirect, HttpResponse
from django.core import serializers
from django.utils.http import urlquote
from django.db.models import Q
from chimere import settings
from chimere.main.actions import actions
from chimere.main.models import Category, SubCategory, PropertyModel, Marker, \
Route, News, SimpleArea, Area, Color, TinyUrl
from chimere.main.widgets import getMapJS, PointChooserWidget, \
RouteChooserWidget, URL_OSM_JS, URL_OSM_CSS
from chimere.main.forms import MarkerForm, RouteForm, ContactForm, \
notifySubmission, notifyStaff
def get_base_response(area_name=""):
"""
Get the base url
"""
base_response_dct = {'media_path':settings.MEDIA_URL,}
base_url = settings.EXTRA_URL
if not base_url.startswith('/'):
base_url = '/' + base_url
if area_name:
if base_url[-1] != '/':
base_url += '/'
base_url += area_name + '/'
base_response_dct['extra_url'] = base_url
if settings.CSS_AREAS and area_name:
base_response_dct['css_area'] = area_name + ".css"
base_response_dct['area_name'] = area_name
return base_response_dct
def index(request, area_name=None, default_area=None, simple=False):
"""
Main page
"""
extra = ""
tab = " "*4
for url in URL_OSM_CSS:
extra += tab + '<link rel="stylesheet" href="%s" />' % url
for url in URL_OSM_JS + ["%sbase.js" % settings.MEDIA_URL,
"%smain_map.js" % settings.MEDIA_URL,]:
extra += tab + '<script src="%s"></script>\n' % url
# 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 = get_base_response(area_name)
areas = None
if settings.DISPLAY_AREAS:
areas = Area.getAvailable()
response_dct.update({'actions':actions, 'action_selected':('view',),
'error_message':'', 'default_area':default_area,
'extra_head':extra + getMapJS(area_name),
'welcome':welcome(request, display_welcome),
'areas':areas, 'map_layer':settings.MAP_LAYER,
'dynamic_categories':settings.DYNAMIC_CATEGORIES,
})
# manage permalink
if request.GET:
for key in ('zoom', 'lon', 'lat', 'display_submited',
'current_feature'):
if key in request.GET and request.GET[key]:
response_dct['p_'+key] = request.GET[key]
else:
response_dct['p_'+key] = None
if 'checked_categories' in request.GET \
and request.GET['checked_categories']:
cats = request.GET['checked_categories'].split('_')
response_dct['p_checked_categories'] = ",".join(cats)
else:
response_dct['p_checked_categories'] = '';
tpl = 'main_map.html'
if simple:
tpl = 'main_map_simple.html'
return render_to_response(tpl, response_dct)
def edit(request, area_name=""):
"""
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()
notifySubmission(marker)
response_dct = get_base_response(area_name)
return HttpResponseRedirect(response_dct['extra_url'] + \
'submited/edit')
else:
# An unbound form
form = MarkerForm()
# get the « manualy » declared_fields. Ie: properties
declared_fields = form.declared_fields.keys()
response_dct = get_base_response(area_name)
response_dct.update({'actions':actions,
'action_selected':('contribute', 'edit'),
'error_message':'',
'map_layer':settings.MAP_LAYER,
'form':form,
'dated':settings.DAYS_BEFORE_EVENT,
'extra_head':form.media,
'sub_categories':SubCategory.getAvailable(['M', 'B'],
area_name),
'point_widget':PointChooserWidget().render('point', None,
area_name=area_name),
'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, area_name=""):
"""
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()
notifySubmission(route)
response_dct = get_base_response(area_name)
return HttpResponseRedirect(response_dct['extra_url'] + \
'submited/edit')
else:
# An unbound form
form = RouteForm()
# get the « manualy » declared_fields. Ie: properties
declared_fields = form.declared_fields.keys()
response_dct = get_base_response(area_name)
response_dct.update({'actions':actions,
'action_selected':('contribute', 'edit_route'),
'error_message':'',
'map_layer':settings.MAP_LAYER,
'form':form,
'dated':settings.DAYS_BEFORE_EVENT,
'extra_head':form.media,
'sub_categories':SubCategory.getAvailable(['R', 'B'],
area_name),
'route_widget':RouteChooserWidget().render('route', None,
area_name=area_name),
'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}
news = list(News.objects.filter(available=True).all())
if settings.DAYS_BEFORE_EVENT:
q = checkDate(Q(status='A', start_date__isnull=False))
news += list(Marker.objects.filter(q).all())
news.sort(key=lambda x:x.date, reverse=True)
response_dct['news_lst'] = news
n = news[0]
return loader.render_to_string('welcome.html', response_dct)
def submited(request, area_name="", action=""):
"""
Successful submission page
"""
response_dct = get_base_response(area_name)
response_dct.update({'actions':actions, 'action_selected':action,})
return render_to_response('submited.html', response_dct)
def contactus(request, area_name=""):
"""
Contact page
"""
form = None
msg = ''
# If the form has been submited
if request.method == 'POST':
form = ContactForm(request.POST)
# All validation rules pass
if form.is_valid():
response = notifyStaff(_(u"Comments/request on the map"),
form.cleaned_data['content'], form.cleaned_data['email'])
if response:
msg = _(u"Thank you for your contribution. It will be taken \
into account. If you have left your email you may be contacted soon for more \
details.")
else:
msg = _(u"Temporary error. Renew your message later.")
else:
form = ContactForm()
response_dct = get_base_response(area_name)
response_dct.update({'actions':actions, 'action_selected':('contact',),
'contact_form':form, 'message':msg})
return render_to_response('contactus.html', response_dct)
def getDetail(request, area_name, marker_id):
'''
Get the detail for a marker
'''
try:
marker = Marker.objects.filter(id=int(marker_id), status__in=['A', 'S'])[0]
except (ValueError, IndexError):
return HttpResponse('no results')
response_dct = get_base_response()
response_dct['marker'] = marker
if request.method == 'GET':
if 'simple' in request.GET and request.GET['simple']:
response_dct['simple'] = True
parameters = u'current_feature=%s' % marker_id
parameters += u"&checked_categories=%s" % "_".join([str(m.id) \
for m in marker.categories.all()])
net_dct = getTinyfiedUrl(parameters, area_name)
share_networks = []
for network in settings.SHARE_NETWORKS:
share_networks.append((network[0], network[1] % net_dct, network[2]))
response_dct['share_networks'] = share_networks
response_dct['dated'] = settings.DAYS_BEFORE_EVENT and marker.start_date
return render_to_response('detail.html', response_dct)
def getDescriptionDetail(request, area_name, category_id):
'''
Get the description for a category
'''
try:
category = Category.objects.filter(id=int(category_id))[0]
except (ValueError, IndexError):
return HttpResponse('no results')
response_dct = get_base_response(area_name)
response_dct['category'] = category
return render_to_response('category_detail.html', response_dct)
def checkDate(q):
"""
Filter a queryset to manage dates
"""
if not settings.DAYS_BEFORE_EVENT:
return q
today = datetime.date.today()
after = today + datetime.timedelta(settings.DAYS_BEFORE_EVENT)
q = q & ( Q(start_date__isnull=True)
| Q(start_date__gte=today, start_date__lte=after)
| Q(start_date__lte=today, end_date__gte=today)
)
return q
def getGeoObjects(request, area_name, category_ids, status):
'''
Get the JSON for markers and routes
'''
if not status:
status = 'A'
status = status.split('_')
category_ids = category_ids.split('_')
try:
q = checkDate(Q(status__in=status, categories__in=category_ids))
query = Route.objects.filter(q)
except:
return HttpResponse('no results')
query.order_by('categories')
routes = list(query)
jsons = []
current_cat, colors, idx = None, None, 0
for route in routes:
c_cat = route.categories.all()[0]
if not current_cat or current_cat != c_cat:
idx = 0
current_cat = c_cat
colors = list(Color.objects.filter(color_theme = c_cat.color_theme))
jsons.append(route.getGeoJSON(color=colors[idx % len(colors)].code))
idx += 1
try:
q = checkDate(Q(status__in=status, categories__in=category_ids))
query = Marker.objects.filter(q)
except:
return HttpResponse('no results')
category_ids = [int(cat_id) for cat_id in category_ids]
jsons += [geo_object.getGeoJSON(category_ids) for geo_object in list(query)]
if not jsons:
return HttpResponse('no results')
data = '{"type": "FeatureCollection", "features":[%s]}' % ",".join(jsons)
return HttpResponse(data)
def getAvailableCategories(request, area_name=None, area=None, status='A',
force=None):
'''
Get categories for a designed area
'''
if settings.DYNAMIC_CATEGORIES and not area:
return ""
response_dct = get_base_response('area_name')
if not settings.DYNAMIC_CATEGORIES:
subcategories = SubCategory.getAvailable()
response_dct['sub_categories'] = subcategories
return render_to_response('categories.html', response_dct)
default_message = "<p class='warning'>%s</p>" % \
_("No category available in this area.")
if not status: # there must be a status
status = 'A'
try:
status = status.split('_')
area = area.replace('M', '-').replace('D', '.')
area = SimpleArea([float(pt) for pt in area.split('_')])
except:
# bad area format
return HttpResponse(default_message)
# if not force and area.isIn(SimpleArea(cookie.AREA):return
categories = area.getCategories(status)
if not categories:
return HttpResponse(default_message)
get_cat = lambda subcat: subcat.category
get_cat_order = lambda subcat: (subcat.category.order, subcat.category,
subcat.order)
categories = sorted(categories, key=get_cat_order)
subcategories = [(cat, list(subcats)) \
for cat, subcats in groupby(categories, get_cat)]
response_dct['sub_categories'] = subcategories
return render_to_response('categories.html', response_dct)
def getTinyfiedUrl(parameters, area_name=''):
'''
Get the tinyfied version of parameters
'''
data = {"urn": "", "url":"", "text":""}
try:
urn = TinyUrl.getUrnByParameters(parameters)
except:
return {}
response_dct = get_base_response(area_name)
url = settings.SERVER_URL
if url[-1] == '/':
url = url[:-1]
url += response_dct['extra_url'] + 'ty/' + urn
text = settings.PROJECT_NAME
if 'current_feature' in parameters:
for item in parameters.split('&'):
if 'current_feature' in item:
try:
text = unicode(Marker.objects.get(id=item.split('=')[1]))
except (IndexError, Marker.DoesNotExist):
pass
data["urn"] = urlquote(urn)
data["url"] = urlquote(url)
data["text"] = urlquote(text)
return data
def redirectFromTinyURN(request, area_name='', tiny_urn=''):
"""
Redirect from a tiny Urn
"""
parameters = '?' + TinyUrl.getParametersByUrn(tiny_urn)
response_dct = get_base_response(area_name)
return HttpResponseRedirect(response_dct['extra_url'] + parameters)
|