def unfavorite(request, slug):
from statmap.models import FavoriteDataSet
"""
Unfavorite is called using JS and removes the
given DataSet to the users Favorites list.
The response will be a JSON object
{
'status': 'success|error',
'message': 'textual repr. of error',
}
or a 404 if the data_set does not exist.
If the user hasnt favorited this element just
fail silently
"""
if not request.user.is_authenticated():
json_response = { 'status': 'error', 'message': 'User is not signed in'}
else:
data_set = get_data_set(request.user, slug, allow_empty=False)
FavoriteDataSet.objects.filter(dataset=data_set,
user=request.user)\
.delete()
json_response = { 'status': 'success', 'message': ''}
response = HttpResponse()
json.dump(json_response, response)
return response
def favorite(request, slug):
"""
Favorite is called using JS and add the
given DataSet to the users Favorites list.
The response will be a JSON object
{
'status': 'success|error',
'message': 'textual repr. of error',
}
or a 404 if the data_set does not exist
"""
if not request.user.is_authenticated():
json_response = { 'status': 'error', 'message': 'You are not signed in'}
else:
data_set = get_data_set(request.user, slug, allow_empty=False)
FavoriteDataSet.objects.get_or_create(dataset=data_set,
user=request.user)
# User cannot favorite twice, so no need to update the
# time record
json_response = { 'status': 'success', 'message': ''}
response = HttpResponse()
json.dump(json_response, response)
return response
def data_set(request, region_set_slug, data_set_slug):
"""
Returns a JSON file with some keys for the Meta
data and a list with key/value pairs.
.. code-block:: js
{
values:
citySlug: value,
citySlug: value,
citySlug: value,
citySlug: value,
...,
],
meta: {
title: value,
dataset: value,
public: value,
description: value,
author: value,
zoom: value,
lat: value,
lng: value,
region: value
}
};
`empty.json` returns a list with all values set to "" and
`slug` set to 'empty'.
"""
data_set = get_data_set(request.user, data_set_slug, region_set_slug)
values = {}
for k,v in data_set.data_values.by_region(data_set.regionset).items():
values[k] = v.value
data_set_return = \
{
'values': values,
'meta':
{
'title': data_set.title,
'dataset': data_set.slug,
'public': data_set.public,
'description': data_set.description,
#'author': unicode(data_set.author),
'zoom': data_set.zoom,
'latitude': data_set.latitude,
'longitude': data_set.longitude,
'regionset': region_set_slug
}
}
response = HttpResponse(mimetype='application/json')
json.dump(data_set_return, response, indent=4) # .. todo :: remove indent
return response
def embed(request, slug):
"""
Select the dataset requested. If the user is not authenticated,
choose only from the public maps. Otherwise also search the
users own maps
.. TODO ::
Wout: what is a user opens his own map but is not authenticated.
For now the user gets presented a 404, but maybe its better
to tell him the map exists but the user has not got
permission to view it.
"""
data_set = get_data_set(request.user, slug, allow_empty=False)
return {'map': data_set}
def download(request, region_set_slug, data_set_slug, file_type):
"""
Returns the data_values of a `DataSet` in the give format.
Currently we provide the following formats:
* xls
* csv
"""
data_set = get_data_set(request.user, data_set_slug, region_set_slug)
if file_type=='xls':
return download_xls(data_set)
elif file_type=='csv':
return download_csv(data_set)
else: # Unknown filetype
raise Http404
def mapdetail(request, slug):
"""
Select the dataset requested. If the user is not authenticated,
choose only from the public maps. Otherwise also search the
users own maps
.. TODO ::
Wout: what is a user opens his own map but is not authenticated.
For now the user gets presented a 404, but maybe its better
to tell him the map exists but the user has not got
permission to view it.
"""
data_set = get_data_set(request.user, slug, allow_empty=False)
data_set.update_recently_viewed_by(request.user)
favorited_by_user = data_set.is_favorited_by(request.user)
return {'map': data_set,
'favorited_by_user': favorited_by_user}