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from geonode.maps.models import Map
from geonode.maps.models import Layer
from geonode.maps.models import MapLayer
from geonode.maps.models import Thumbnail
from mapstory.models import *
from mapstory.util import lazy_context
from django.contrib.auth.models import User
from django.core.urlresolvers import reverse
from django.conf import settings
from django.db.models import signals
from django.shortcuts import get_object_or_404
from django.contrib.auth.decorators import login_required
from django.http import HttpResponse
from django.shortcuts import render_to_response
from django.template import RequestContext
from django.template import loader
from django.contrib.contenttypes.models import ContentType
import os
import random
def alerts(req):
return render_to_response('mapstory/alerts.html', RequestContext(req))
@lazy_context
def lazy_tiles():
return ''.join( [ _render_map_tile(m) for m in get_map_carousel_maps()] )
def index(req):
# resolve video to use
# two modes of operation here
# 1) don't specify publish and one will randomly be chosen
# 2) specify one or more publish links and one will be chosen
#users = User.objects.exclude(username__in=settings.USERS_TO_EXCLUDE_IN_LISTINGS)
users = []
return render_to_response('index.html', RequestContext(req,{
"video" : VideoLink.objects.front_page_video(),
"tiles" : lazy_tiles(),
"users" : users
}))
def how_to(req):
return render_to_response('mapstory/how_to.html', RequestContext(req,{
'videos' : VideoLink.objects.how_to_videos()
}))
def section_detail(req, section):
sec = get_object_or_404(Section, slug=section)
return render_to_response('mapstory/section_detail.html', RequestContext(req,{
'section' : sec
}))
def resource_detail(req, resource):
res = get_object_or_404(Resource, slug=resource)
return render_to_response('mapstory/resource.html', RequestContext(req,{
'resource' : res
}))
def get_map_carousel_maps():
'''Get the carousel ids/thumbnail dict either
1. as specified (model does not exist yet...)
2. by some rating/view ranking (not implemented)
3. any map that has a thumbnail (current)
'''
favorites = Favorite.objects.favorite_maps_for_user(User.objects.get(username='admin'))
if favorites.count() > 3:
favorites = random.sample(favorites, min(10,favorites.count()))
return [ f.content_object for f in favorites ]
# get all Map thumbnails
thumb_type = ContentType.objects.get_for_model(Map)
thumbs = Thumbnail.objects.filter(content_type__pk=thumb_type.id)
thumbs = thumbs.filter(object_id__in = Map.objects.filter(publish__status='Public'))
# trim this down to a smaller set
thumbs = random.sample(thumbs, min(10,len(thumbs)))
# and make sure they have a valid file path
return [ t.content_object for t in thumbs if os.path.exists(t.get_thumbnail_path())]
def map_tiles(req):
maps = get_map_carousel_maps()
return HttpResponse(''.join( [ _render_map_tile(m) for m in maps] ))
def _render_map_tile(obj,req=None):
template = 'mapstory/_story_tile.html'
ctx = {'map':obj,'when':obj.last_modified}
if req:
return render_to_response(template, RequestContext(req,ctx))
return loader.render_to_string(template,ctx)
def map_tile(req, mapid):
obj = get_object_or_404(Map,pk=mapid)
return _render_map_tile(obj,req=req)
def favoriteslinks(req):
ident = req.GET['ident']
layer_or_map, id = ident.split('-')
if layer_or_map == 'map':
obj = get_object_or_404(Map, pk = id)
maps = PublishingStatus.objects.get_in_progress(req.user,Map)
elif layer_or_map == 'layer':
obj = get_object_or_404(Layer, pk = id)
maps = None
else:
return HttpResponse('')
return render_to_response("simplesearch/_widget_search_favorites.html",{
layer_or_map : obj,
"maps" : maps,
"user" : req.user
});
@login_required
def favoriteslist(req):
ctx = {
"favorites" : Favorite.objects.favorites_for_user(req.user),
"in_progress_maps" : Map.objects.filter(owner=req.user).exclude(publish__status='Public'),
"in_progress_layers" : Layer.objects.filtered().filter(owner=req.user).exclude(publish__status='Public')
}
return render_to_response("mapstory/_widget_favorites.html",ctx)
@login_required
def layer_metadata(request, layername):
'''ugh, override the default'''
from geonode.maps.views import LayerDescriptionForm
layer = get_object_or_404(Layer, typename=layername)
if not request.user.has_perm('maps.change_layer', obj=layer):
return HttpResponse(loader.render_to_string('401.html',
RequestContext(request, {'error_message':
_("You are not permitted to modify this layer's metadata")})), status=401)
if request.method == "POST":
form = LayerDescriptionForm(request.POST, prefix="layer")
if form.is_valid():
layer.title = form.cleaned_data['title']
layer.keywords = form.cleaned_data['keywords']
layer.abstract = form.cleaned_data['abstract']
layer.save()
return HttpResponse('OK')
else:
errors = "<div class='errorlist'><p class='alert alert-error'>There were errors in the data provided:</p>%s</div>" % form.errors.as_ul()
return HttpResponse(errors, status=400)
@login_required
def favorite(req, layer_or_map, id):
if layer_or_map == 'map':
obj = get_object_or_404(Map, pk = id)
else:
obj = get_object_or_404(Layer, pk = id)
Favorite.objects.create_favorite(obj, req.user)
return HttpResponse('OK', status=200)
@login_required
def delete_favorite(req, id):
Favorite.objects.get(user=req.user, pk=id).delete()
return HttpResponse('OK', status=200)
@login_required
def set_section(req):
if req.method != 'POST':
return HttpResponse('POST required',status=400)
mapid = req.POST['map']
mapobj = get_object_or_404(Map, id=mapid)
if mapobj.owner != req.user or not req.user.has_perm('mapstory.change_section'):
return HttpResponse('Not sufficient permissions',status=401)
sectionid = req.POST['section']
get_object_or_404(Section, pk=sectionid)
Section.objects.add_to_section(sectionid, mapobj)
return HttpResponse('OK', status=200)
@login_required
def publish_status(req, layer_or_map, layer_or_map_id):
if req.method != 'POST':
return HttpResponse('POST required',status=400)
if layer_or_map == 'map':
obj = get_object_or_404(Map, pk = layer_or_map_id)
else:
obj = get_object_or_404(Layer, pk = layer_or_map_id)
if obj.owner != req.user and not req.user.has_perm('mapstory.change_publishingstatus', obj):
return HttpResponse('Not sufficient permissions',status=401)
PublishingStatus.objects.set_status(obj, req.POST['status'])
return HttpResponse('OK', status=200)
@login_required
def add_to_map(req,id,typename):
if req.method != 'POST':
return HttpResponse('POST required',status=400)
mapobj = get_object_or_404(Map, id=id)
if mapobj.owner != req.user and not req.user.has_perm('maps.change_map', mapobj):
return HttpResponse('Not sufficient permissions',status=401)
layer = get_object_or_404(Layer, typename=typename)
existing = MapLayer.objects.filter(map = mapobj)
vs_url = settings.GEOSERVER_BASE_URL + '%s/%s/wms' % tuple(layer.typename.split(':'))
stack_order = max([l.stack_order for l in existing]) + 1
maplayer = MapLayer(name = layer.typename, ows_url=vs_url, map=mapobj, stack_order=stack_order)
maplayer.save()
return HttpResponse('OK', status=200)
def about_storyteller(req, username):
user = get_object_or_404(User, username=username)
return render_to_response('mapstory/about_storyteller.html', RequestContext(req,{
"storyteller" : user,
}))
def delete_story_comment(req, layer_or_map, layer_or_map_id):
'''allow a user to delete comments attached to their layer or map'''
pass
@login_required
def topics_api(req, layer_or_map, layer_or_map_id):
if layer_or_map == 'map':
obj = get_object_or_404(Map, pk = layer_or_map_id)
perm = 'maps.change_map'
else:
obj = get_object_or_404(Layer, pk = layer_or_map_id)
perm = 'maps.change_layer'
if obj.owner != req.user and not req.user.has_perm(perm, obj):
return HttpResponse('Not sufficient permissions',status=401)
if req.method == 'GET':
pass
elif req.method == 'POST':
topics = req.POST['topics']
Topic.objects.tag(obj,topics)
if req.method != 'POST':
return HttpResponse(status=400)
return HttpResponse('OK', status=200)
@login_required
def create_annotations_layer(req, mapid):
'''Create an annotations layer with the predefined schema.
@todo ugly hack - using existing view to allow this
'''
from geonode.maps.views import _create_layer
mapobj = get_object_or_404(Map,pk=mapid)
if req.method != 'POST':
return HttpResponse('POST required',status=400)
if mapobj.owner != req.user:
return HttpResponse('Not owner of map',status=401)
atts = [
#name, type, nillable
('title','java.lang.String',False),
('content','java.lang.String',False),
('the_geom','com.vividsolutions.jts.geom.Geometry',True),
('start_time','java.lang.Long',True),
('end_time','java.lang.Long',True),
('in_timeline','java.lang.Boolean',True),
('in_map','java.lang.Boolean',True),
('appearance','java.lang.String',True),
]
# @todo remove this when hack is resolved. build our spec string
atts = ','.join([ ':'.join(map(str,a)) for a in atts])
return _create_layer(
req.user,
name = "_map_%s_annotations" % mapid,
srs = 'EPSG:4326', # @todo how to obtain this in a nicer way...
attributes = atts,
skip_style = True
)
def _remove_annotation_layer(sender, instance, **kw):
try:
Layer.objects.get(name='_map_%s_annotations' % instance.id)
except Layer.DoesNotExist:
pass
signals.pre_delete.connect(_remove_annotation_layer, sender=Map)
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