def add(request, level):
""" Respond to the "/geo/editor/location/add/X/" URL.
We let the user add a location with the given level ID.
"""
if not request.user.is_authenticated:
return HttpResponseRedirect("/geo/editor/")
try:
level = Level.objects.get(level=level)
except Level.DoesNotExist:
return HttpResponseRedirect("/geo/editor/location/select/" +
str(level.level) + "/")
if request.method == "GET":
form = LocationDetailsForm()
errMsg = None
elif request.method == "POST":
if request.POST.get("cancel") == "Cancel":
return HttpResponseRedirect("/geo/editor/location/select/" +
str(level.level) + "/")
form = LocationDetailsForm(request.POST)
errMsg = None
if form.is_valid():
code = request.POST['code']
name = request.POST['name']
display_name = request.POST['display_name']
abbreviation = request.POST['abbreviation']
display_lat = request.POST['display_point_lat']
display_long = request.POST['display_point_long']
if code == "":
errMsg = "You must enter a code for this location."
elif name == "":
errMsg = "You must enter a name for this location."
elif Location.objects.filter(code=code).count() > 0:
errMsg = "There is already a location with that code."
elif Location.objects.filter(level=level, name=name).count() > 0:
errMsg = "There is already a " + level.name.lower() \
+ " with that name."
if errMsg == None:
location = Location()
location.level = level
location.code = code
location.name = name
location.display_name = display_name
location.abbreviation = abbreviation
location.min_zoom_lat = decimal.Decimal("0.00")
location.min_zoom_long = decimal.Decimal("0.00")
location.max_zoom_lat = decimal.Decimal("0.00")
location.max_zoom_long = decimal.Decimal("0.00")
if display_lat != None:
location.display_lat = decimal.Decimal(display_lat)
if display_long != None:
location.display_long = decimal.Decimal(display_long)
location.population = 0
location.area = 0
location.averageIncome = 0
location.save()
# Send a signal telling the rest of the system that the
# location record was added.
location_changed.send(sender=None)
# Finally, tell the user's web browser to reload the page.
return HttpResponseRedirect("/geo/editor/location/details/" +
code + "/")
return render_to_response("editor/templates/editForm.html",
{'title' : "Geodatabase Editor",
'heading' : "Add " + level.name,
'errMsg' : errMsg,
'form' : form},
context_instance=RequestContext(request))
def details(request, loc_code):
""" Respond to the "/geo/editor/location/details/XYZ/" URL.
We let the user edit the details of the location with the given code.
"""
if not request.user.is_authenticated:
return HttpResponseRedirect("/geo/editor/")
try:
location = Location.objects.get(code=loc_code)
except Location.DoesNotExist:
return HttpResponseRedirect("/geo/editor/location/")
if request.method == "GET":
data = {}
data['code'] = location.code
data['name'] = location.name
data['display_name'] = location.display_name
data['abbreviation'] = location.abbreviation
data['display_point_lat'] = location.display_lat
data['display_point_long'] = location.display_long
data['population'] = location.population
data['area'] = location.area
if location.averageIncome != None:
data['averageIncome'] = int(location.averageIncome)
form = LocationDetailsForm(data)
errMsg = None
elif request.method == "POST":
if request.POST.get("cancel") == "Finished":
return HttpResponseRedirect("/geo/editor/location/")
if request.POST.get("delete") == "Delete this Location":
return HttpResponseRedirect("/geo/editor/location/delete/" +
location.code)
form = LocationDetailsForm(request.POST)
errMsg = None
if form.is_valid():
code = form.cleaned_data['code']
name = form.cleaned_data['name']
display_name = form.cleaned_data['display_name']
abbreviation = form.cleaned_data['abbreviation']
display_lat = form.cleaned_data['display_point_lat']
display_long = form.cleaned_data['display_point_long']
population = form.cleaned_data['population']
area = form.cleaned_data['area']
averageIncome = form.cleaned_data['averageIncome']
if display_lat != None:
display_lat = decimal.Decimal(display_lat)
if display_long != None:
display_long = decimal.Decimal(display_long)
if averageIncome != None:
averageIncome = decimal.Decimal(averageIncome)
if code == "":
errMsg = "You must enter a code for this location."
elif name == "":
errMsg = "You must enter a name for this location."
elif code != location.code:
if Location.objects.filter(code=code).count() > 0:
errMsg = "There is already a location with that code."
elif name != location.name:
if Location.objects.filter(level=location.level,
name=name).count() > 0:
errMsg = "There is already a " \
+ location.level.name.lower() \
+ " with that name."
elif display_name == "":
errMsg = "You must enter a display name for this location."
if errMsg == None:
location.code = code
location.name = name
location.display_name = display_name
location.abbreviation = abbreviation
location.display_lat = display_lat
location.display_long = display_long
location.population = population
location.area = area
location.averageIncome = averageIncome
location.save()
# Send a signal telling the rest of the system that the
# location record was changed.
location_changed.send(sender=None)
# Finally, tell the user's web browser to reload the page.
return HttpResponseRedirect("/geo/editor/location/details/" +
loc_code + "/")
return render_to_response("editor/templates/location_wrapper.html",
{'tab' : "details",
'heading' : "Editing " + str(location),
'location' : location,
'template_name' : "location_details.html",
'errMsg' : errMsg,
'form' : form},
context_instance=RequestContext(request))
