def respond(*args, **kw):
kw['content_type'] = 'text/html'
return json_response(*args, **kw)
def annotations(req, mapid):
'''management of annotations for a given mapid'''
#todo cleanup and break apart
if req.method == 'GET':
cols = [
'title', 'content', 'start_time', 'end_time', 'in_map',
'in_timeline', 'appearance'
]
mapobj = _resolve_object(req,
models.Map,
'maps.view_map',
allow_owner=True,
id=mapid)
ann = models.Annotation.objects.filter(map=mapid)
ann = ann.order_by('start_time', 'end_time')
if bool(req.GET.get('in_map', False)):
ann = ann.filter(in_map=True)
if bool(req.GET.get('in_timeline', False)):
ann = ann.filter(in_timeline=True)
if 'page' in req.GET:
page = int(req.GET['page'])
page_size = 25
start = page * page_size
end = start + page_size
ann = ann[start:end]
if 'csv' in req.GET:
response = HttpResponse(mimetype='text/csv')
response[
'Content-Disposition'] = 'attachment; filename=map-%s-annotations.csv' % mapobj.id
response['Content-Encoding'] = 'utf-8'
writer = csv.writer(response)
writer.writerow(cols)
sidx = cols.index('start_time')
eidx = cols.index('end_time')
# default csv writer chokes on unicode
encode = lambda v: v.encode('utf-8') if isinstance(v, basestring
) else str(v)
get_value = lambda a, c: getattr(a, c) if c not in (
'start_time', 'end_time') else ''
for a in ann:
vals = [encode(get_value(a, c)) for c in cols]
vals[sidx] = a.start_time_str
vals[eidx] = a.end_time_str
writer.writerow(vals)
return response
# strip the superfluous id, it will be added at the feature level
props = [c for c in cols if c != 'id']
def encoder(query_set):
results = []
for res in query_set:
feature = {'id': res.id}
if res.the_geom:
geometry = {}
geometry['type'] = res.the_geom.geom_type
geometry['coordinates'] = res.the_geom.coords
feature['geometry'] = geometry
fp = feature['properties'] = {}
for p in props:
val = getattr(res, p)
if val is not None:
fp[p] = val
results.append(feature)
return results
return json_response({
'type': 'FeatureCollection',
'features': encoder(ann)
})
if req.method == 'POST':
mapobj = _resolve_object(req,
models.Map,
'maps.change_map',
allow_owner=True,
id=mapid)
# either a bulk upload or a JSON change
action = 'upsert'
get_props = lambda r: r
finish = lambda: None
created = []
form_mode = 'client'
content_type = None
overwrite = False
error_format = None
def id_collector(form):
created.append(form.instance.id)
if req.FILES:
fp = iter(req.FILES.values()).next()
# ugh, builtin csv reader chokes on unicode
data = unicode_csv_dict_reader(fp)
id_collector = lambda f: None
form_mode = 'csv'
content_type = 'text/html'
ids = list(
models.Annotation.objects.filter(map=mapobj).values_list(
'id', flat=True))
# delete existing, we overwrite
finish = lambda: models.Annotation.objects.filter(id__in=ids
).delete()
overwrite = True
def error_format(row_errors):
response = []
for re in row_errors:
row = re[0] + 1
for e in re[1]:
response.append('[%s] %s : %s' % (row, e, re[1][e]))
return 'The following rows had problems:<ul><li>' + '</li><li>'.join(
response) + "</li></ul>"
else:
data = json.loads(req.body)
if isinstance(data, dict):
action = data.get('action', action)
if 'features' in data:
data = data.get('features')
get_props = lambda r: r['properties']
if action == 'delete':
models.Annotation.objects.filter(pk__in=data['ids'],
map=mapobj).delete()
return json_response({'success': True})
errors = []
i = None
for i, r in enumerate(data):
props = get_props(r)
props['map'] = mapobj.id
ann = None
id = r.get('id', None)
if id and not overwrite:
ann = models.Annotation.objects.get(map=mapobj, pk=id)
# form expects everything in the props, copy geometry in
if 'geometry' in r:
props['geometry'] = r['geometry']
props.pop('id', None)
form = AnnotationForm(props, instance=ann, form_mode=form_mode)
if not form.is_valid():
errors.append((i, form.errors))
else:
form.save()
if id is None:
id_collector(form)
if i is None:
errors = [(0, 'No data could be read')]
if errors:
body = None
if error_format:
return HttpResponse(error_format(errors), status=400)
else:
finish()
body = {'success': True}
if created:
body['ids'] = created
return json_response(body=body,
errors=errors,
content_type=content_type)
return HttpResponse(status=400)
def annotations(req, mapid):
'''management of annotations for a given mapid'''
#todo cleanup and break apart
if req.method == 'GET':
cols = [ f.name for f in models.Annotation._meta.fields if f.name not in ('map','the_geom') ]
mapobj = _resolve_object(req, models.Map, 'maps.view_map',
allow_owner=True, id=mapid)
ann = models.Annotation.objects.filter(map=mapid)
if bool(req.GET.get('in_map', False)):
ann = ann.filter(in_map=True)
if bool(req.GET.get('in_timeline', False)):
ann = ann.filter(in_timeline=True)
if 'page' in req.GET:
page = int(req.GET['page'])
page_size = 25
start = page * page_size
end = start + page_size
ann = ann[start:end]
if 'csv' in req.GET:
response = HttpResponse(mimetype='text/csv')
response['Content-Disposition'] = 'attachment; filename=map-%s-annotations.csv' % mapobj.id
response['Content-Encoding'] = 'utf-8'
writer = csv.writer(response)
cols.remove('id')
writer.writerow(cols)
sidx = cols.index('start_time')
eidx = cols.index('end_time')
# default csv writer chokes on unicode
encode = lambda v: v.encode('utf-8') if isinstance(v, basestring) else v
for a in ann:
vals = [ encode(getattr(a, c)) for c in cols if c not in ('start_time','end_time')]
vals[sidx] = a.start_time_str
vals[eidx] = a.end_time_str
writer.writerow(vals)
return response
# strip the superfluous id, it will be added at the feature level
props = [ c for c in cols if c != 'id' ]
def encoder(query_set):
results = []
for res in query_set:
feature = { 'id' : res.id}
if res.the_geom:
geometry = {}
geometry['type'] = res.the_geom.geom_type
geometry['coordinates'] = res.the_geom.coords
feature['geometry'] = geometry
fp = feature['properties'] = {}
for p in props:
val = getattr(res, p)
if val:
fp[p] = val
results.append(feature)
return results
return json_response({'type':'FeatureCollection','features':encoder(ann)})
if req.method == 'POST':
mapobj = _resolve_object(req, models.Map, 'maps.change_map',
allow_owner=True, id=mapid)
# either a bulk upload or a JSON change
action = 'upsert'
get_props = lambda r: r
finish = lambda: None
created = []
form_mode = 'client'
content_type = None
overwrite = False
error_format = None
def id_collector(form):
created.append(form.instance.id)
if req.FILES:
fp = iter(req.FILES.values()).next()
# ugh, builtin csv reader chokes on unicode
data = unicode_csv_dict_reader(fp)
id_collector = lambda f: None
form_mode = 'csv'
content_type = 'text/html'
ids = list(models.Annotation.objects.filter(map=mapobj).values_list('id', flat=True))
# delete existing, we overwrite
finish = lambda: models.Annotation.objects.filter(id__in=ids).delete()
overwrite = True
def error_format(row_errors):
response = []
for re in row_errors:
row = re[0] + 1
for e in re[1]:
response.append('[%s] %s : %s' % (row, e, re[1][e]))
return 'The following rows had problems:<ul><li>' + '</li><li>'.join(response) + "</li></ul>"
else:
data = json.loads(req.body)
if isinstance(data, dict):
action = data.get('action', action)
if 'features' in data:
data = data.get('features')
get_props = lambda r: r['properties']
if action == 'delete':
models.Annotation.objects.filter(pk__in=data['ids'], map=mapobj).delete()
return json_response({'success' : True})
errors = []
i = None
for i,r in enumerate(data):
props = get_props(r)
props['map'] = mapobj.id
ann = None
id = r.get('id', None)
if id and not overwrite:
ann = models.Annotation.objects.get(map=mapobj, pk=id)
# form expects everything in the props, copy geometry in
if 'geometry' in r:
props['geometry'] = r['geometry']
props.pop('id', None)
form = AnnotationForm(props, instance=ann, form_mode=form_mode)
if not form.is_valid():
errors.append((i, form.errors))
else:
form.save()
if id is None:
id_collector(form)
if i is None:
errors = [ (0, 'No data could be read')]
if errors:
body = None
if error_format:
return HttpResponse(error_format(errors), status=400)
else:
finish()
body = {'success' : True}
if created:
body['ids'] = created
return json_response(body=body, errors=errors, content_type=content_type)
return HttpResponse(status=400)
def respond(*args,**kw):
kw['content_type'] = 'text/html'
return json_response(*args,**kw)
def respond(*args, **kw):
kw["content_type"] = "text/html"
return json_response(*args, **kw)
