Association of a GPX (or KML) file to a route (refs #302)

 - new table in the model
 - new form in route edition
 - uploaded gpx file simplification
 - automatic route creation from the GPX file

1 files changed, 46 insertions, 6 deletions

diff --git a/chimere/main/views.py b/chimere/main/views.py
index 2f80ea8..812fff6 100644
--- a/chimere/main/views.py
+++ b/chimere/main/views.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-# Copyright (C) 2008-2010  Étienne Loks  <etienne.loks_AT_peacefrogsDOTnet>
+# Copyright (C) 2008-2011  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
@@ -31,16 +31,17 @@ from django.http import HttpResponseRedirect, HttpResponse
 from django.core import serializers
 from django.utils.http import urlquote
 from django.db.models import Q
+from django.utils import simplejson
 
 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.models import Category, SubCategory, PropertyModel, \
+              Marker, Route, News, SimpleArea, Area, Color, TinyUrl, RouteFile
 
 from chimere.main.widgets import getMapJS, PointChooserWidget, \
                            RouteChooserWidget, URL_OSM_JS, URL_OSM_CSS
 from chimere.main.forms import MarkerForm, RouteForm, ContactForm, \
-                               notifySubmission, notifyStaff
+                               FileForm, notifySubmission, notifyStaff
 
 def get_base_response(area_name=""):
     """
@@ -58,6 +59,7 @@ def get_base_response(area_name=""):
     if settings.CSS_AREAS and area_name:
         base_response_dct['css_area'] = area_name + ".css"
     base_response_dct['area_name'] = area_name
+    base_response_dct['JQUERY_URL'] = settings.JQUERY_URL
     return base_response_dct
 
 def index(request, area_name=None, default_area=None, simple=False):
@@ -124,7 +126,7 @@ def edit(request, area_name=""):
             notifySubmission(marker)
             response_dct = get_base_response(area_name)
             return HttpResponseRedirect(response_dct['extra_url'] + \
-'submited/edit')
+                                        'submited/edit')
     else:
         # An unbound form
         form = MarkerForm()
@@ -149,6 +151,44 @@ def edit(request, area_name=""):
         response_dct['current_category'] = int(form.data['subcategory'])
     return render_to_response('edit.html', response_dct)
 
+def uploadFile(request, area_name=''):
+    response_dct = get_base_response(area_name)
+    # If the form has been submited
+    if request.method == 'POST':
+        form = FileForm(request.POST, request.FILES)
+        # All validation rules pass
+        if form.is_valid():
+            raw_file = form.cleaned_data['raw_file']
+            name = raw_file.name.split('.')[0]
+            file_type = raw_file.name.split('.')[-1][0].upper()
+            routefile = RouteFile(raw_file=raw_file, name=name,
+                                  file_type=file_type)
+            routefile.save()
+            response_dct = get_base_response(area_name)
+            response_dct['gpx_id'] = routefile.pk
+            return render_to_response('uploadFile.html', response_dct)
+    else:
+        # An unbound form
+        form = FileForm()
+    response_dct.update({'form':form})
+    return render_to_response('uploadFile.html', response_dct)
+
+def processRouteFile(request, area_name='', file_id=None):
+    if file_id:
+        try:
+            route_file = RouteFile.objects.get(pk=file_id)
+            route_file.process()
+            route = route_file.route
+            if not route:
+                return HttpResponse(status=500)
+            return HttpResponse(simplejson.dumps({'wkt':route}),
+                                'application/javascript', status=200)
+        except:
+            return HttpResponse(status=500)
+    else:
+        return HttpResponse(status=400)
+
+
 def editRoute(request, area_name=""):
     """
     Route edition page
@@ -165,7 +205,7 @@ def editRoute(request, area_name=""):
             notifySubmission(route)
             response_dct = get_base_response(area_name)
             return HttpResponseRedirect(response_dct['extra_url'] + \
-'submited/edit')
+                                        'submited/edit')
     else:
         # An unbound form
         form = RouteForm()