def fhir_search_home(request):
""" Check if search parameters are in the GET
if not pass through to authenticated_home
"""
if request.user.is_authenticated():
if request.method == 'GET':
if '_getpages' in request.GET:
# print("We got something to get")
return rebuild_fhir_search(request)
return authenticated_home(request)
def fhir_search_home(request):
""" Check if search parameters are in the GET
if not pass through to authenticated_home
"""
if request.user.is_authenticated():
if request.method == "GET":
if "_getpages" in request.GET:
# print("We got something to get")
return rebuild_fhir_search(request)
return authenticated_home(request)
def rebuild_fhir_search(request):
""" Rebuild the Search String
We will start to use a session variable
We received:
http://localhost:8000/cmsblue/fhir/v1
?_getpages=61c6e2d1-2b7c-49c3-a083-3d5b3874d4ff&_getpagesoffset=10
&_count=10&_format=json&_pretty=true&_bundletype=searchset
Session Variables will be storing:
- FHIR Target URL/Resource
- _getpages value
- expires datetime
Construct FHIR_Target_URL + search parameters
"""
# now = str(datetime.now())
ikey = ''
if '_getpages' in request.GET:
ikey = request.GET['_getpages']
sn_vr = read_session(request, ikey, skey=SESSION_KEY)
# logger.debug("Session info:%s" % sn_vr)
if sn_vr == {}:
# Nothing returned from Session Variables
# Key could be expired or not matched
return authenticated_home(request)
url_call = sn_vr['fhir_to']
url_call += '/?' + request.META['QUERY_STRING']
rewrite_url_list = sn_vr['rwrt_list']
resource_type = sn_vr['res_type']
interaction_type = sn_vr['intn_type']
key = sn_vr['key']
vid = sn_vr['vid']
cx = get_crosswalk(request.user)
# logger.debug("Calling:%s" % url_call)
r = request_call(request, url_call, cx,
reverse_lazy('authenticated_home'))
host_path = get_host_url(request, '?')
# get 'xml' 'json' or ''
fmt = get_search_param_format(request.META['QUERY_STRING'])
text_out = post_process_request(request, fmt, host_path, r,
rewrite_url_list)
od = build_output_dict(request, OrderedDict(), resource_type, key, vid,
interaction_type, fmt, text_out)
if fmt == 'xml':
# logger.debug('We got xml back in od')
return HttpResponse(r.text, content_type='application/%s' % fmt)
# return HttpResponse( tostring(dict_to_xml('content', od)),
# content_type='application/%s' % fmt)
elif fmt == 'json':
# logger.debug('We got json back in od')
return HttpResponse(pretty_json(od),
content_type='application/%s' % fmt)
# logger.debug('We got a different format:%s' % fmt)
return render(
request,
'bluebutton/default.html',
{
'content': pretty_json(od),
'output': od
},
)
return authenticated_home(request)
def fhir_conformance(request, *args, **kwargs):
""" Pull and filter fhir Conformance statement
BaseDstu2 = "Conformance"
BaseStu3 = "CapabilityStatement"
metadata call
"""
if not request.user.is_authenticated():
return authenticated_home(request)
try:
cx = Crosswalk.objects.get(user=request.user)
except Crosswalk.DoesNotExist:
cx = None
# logger.debug('Crosswalk for %s does not exist' % request.user)
if cx:
call_to = cx.fhir_source.fhir_url
else:
call_to = FhirServerUrl()
resource_type = conformance_or_capability(call_to)
if call_to.endswith('/'):
call_to += 'metadata'
else:
call_to += '/metadata'
pass_params = strip_oauth(request.GET)
# pass_params should be an OrderedDict after strip_auth
# logger.debug("result from strip_oauth:%s" % pass_params)
# Let's store the inbound requested format
# We need to simplify the format call to the backend
# so that we get data we can manipulate
requested_format = request_format(pass_params)
# now we simplify the format/_format request for the back-end
pass_params = strip_format_for_back_end(pass_params)
back_end_format = pass_params['_format']
encoded_params = urlencode(pass_params)
#
# Add ? to front of parameters if needed
pass_params = prepend_q(encoded_params)
# logger.debug("Calling:%s" % call_to + pass_params)
####################################################
####################################################
r = request_call(request, call_to + pass_params, cx,
reverse_lazy('authenticated_home'))
####################################################
####################################################
text_out = ''
host_path = get_host_url(request, '?')
# get 'xml' 'json' or ''
# fmt = get_search_param_format(request.META['QUERY_STRING'])
# force to json
# logger.debug("Format:%s" % back_end_format)
rewrite_url_list = settings.FHIR_SERVER_CONF['REWRITE_FROM']
# print("Starting Rewrite_list:%s" % rewrite_url_list)
text_out = post_process_request(request, back_end_format, host_path,
r.text, rewrite_url_list)
query_string = build_querystring(request.GET.copy())
# logger.debug("Query:%s" % query_string)
if 'xml' in requested_format:
# logger.debug('We got xml back in od')
# logger.debug("is xml filtered?%s" % requested_format)
xml_dom = xml_to_dom(text_out)
text_out = dom_conformance_filter(xml_dom)
# logger.debug("Text from XML function:\n%s\n=========" % text_out)
if 'html' not in requested_format:
return HttpResponse(text_out,
content_type='application'
'/%s' % requested_format)
else:
# logger.debug("Sending text_out for display: %s" % text_out[0:100])
return render(
request, 'bluebutton/default_xml.html', {
'output': text_out,
'content': {
'parameters': query_string,
'resource_type': resource_type,
'request_method': "GET",
'interaction_type': "metadata",
'source': cx.fhir_source.name
}
})
# return HttpResponse( tostring(dict_to_xml('content', od)),
# content_type='application/%s' % fmt)
elif back_end_format == 'json':
# logger.debug('We got json back in od')
od = conformance_filter(text_out, back_end_format)
text_out = pretty_json(od)
if 'html' not in requested_format:
return HttpResponse(text_out,
content_type='application/'
'%s' % requested_format)
else:
# let's make sure we have json to deliver:
od = conformance_filter(text_out, back_end_format)
text_out = pretty_json(od)
# logger.debug('We got a different format:%s' % back_end_format)
return render(
request, 'bluebutton/default.html', {
'output': text_out,
'content': {
'parameters': query_string,
'resource_type': resource_type,
'request_method': "GET",
'interaction_type': "metadata",
'source': cx.fhir_source.name
}
})
def rebuild_fhir_search(request):
""" Rebuild the Search String
We will start to use a session variable
We received:
http://localhost:8000/cmsblue/fhir/v1
?_getpages=61c6e2d1-2b7c-49c3-a083-3d5b3874d4ff&_getpagesoffset=10
&_count=10&_format=json&_pretty=true&_bundletype=searchset
Session Variables will be storing:
- FHIR Target URL/Resource
- _getpages value
- expires datetime
Construct FHIR_Target_URL + search parameters
"""
# now = str(datetime.now())
ikey = ""
if "_getpages" in request.GET:
ikey = request.GET["_getpages"]
sn_vr = read_session(request, ikey, skey=SESSION_KEY)
# logger.debug("Session info:%s" % sn_vr)
if sn_vr == {}:
# Nothing returned from Session Variables
# Key could be expired or not matched
return authenticated_home(request)
url_call = sn_vr["fhir_to"]
url_call += "/?" + request.META["QUERY_STRING"]
rewrite_url_list = sn_vr["rwrt_list"]
resource_type = sn_vr["res_type"]
interaction_type = sn_vr["intn_type"]
key = sn_vr["key"]
vid = sn_vr["vid"]
logger.debug("Calling:%s" % url_call)
r = request_call(request, url_call, reverse_lazy("authenticated_home"))
host_path = get_host_url(request, "?")
# get 'xml' 'json' or ''
fmt = get_search_param_format(request.META["QUERY_STRING"])
text_out = post_process_request(request, fmt, host_path, r, rewrite_url_list)
od = build_output_dict(request, OrderedDict(), resource_type, key, vid, interaction_type, fmt, text_out)
if fmt == "xml":
# logger.debug('We got xml back in od')
return HttpResponse(r.text, content_type="application/%s" % fmt)
# return HttpResponse( tostring(dict_to_xml('content', od)),
# content_type='application/%s' % fmt)
elif fmt == "json":
# logger.debug('We got json back in od')
return HttpResponse(pretty_json(od), content_type="application/%s" % fmt)
# logger.debug('We got a different format:%s' % fmt)
return render(request, "bluebutton/default.html", {"content": pretty_json(od), "output": od})
return authenticated_home(request)
def fhir_conformance(request, *args, **kwargs):
""" Pull and filter fhir Conformance statement
metadata call
"""
if not request.user.is_authenticated():
return authenticated_home(request)
resource_type = "Conformance"
call_to = FhirServerUrl()
if call_to.endswith("/"):
call_to += "metadata"
else:
call_to += "/metadata"
pass_params = urlencode(strip_oauth(request.GET))
# Add ? to front of parameters if needed
pass_params = prepend_q(pass_params)
logger.debug("Calling:%s" % call_to + pass_params)
r = request_call(request, call_to + pass_params, reverse_lazy("authenticated_home"))
text_out = ""
host_path = get_host_url(request, "?")
# get 'xml' 'json' or ''
fmt = get_search_param_format(request.META["QUERY_STRING"])
rewrite_url_list = settings.FHIR_SERVER_CONF["REWRITE_FROM"]
# print("Starting Rewrite_list:%s" % rewrite_url_list)
text_out = post_process_request(request, fmt, host_path, r.text, rewrite_url_list)
od = conformance_filter(text_out, fmt)
if fmt == "xml":
# logger.debug('We got xml back in od')
return HttpResponse(text_out, content_type="application/%s" % fmt)
# return HttpResponse( tostring(dict_to_xml('content', od)),
# content_type='application/%s' % fmt)
elif fmt == "json":
# logger.debug('We got json back in od')
return HttpResponse(pretty_json(od), content_type="application/%s" % fmt)
# logger.debug('We got a different format:%s' % fmt)
return render(
request,
"bluebutton/default.html",
{
"output": pretty_json(od),
"content": {
"parameters": request.GET.urlencode(),
"resource_type": resource_type,
"request_method": "GET",
"interaction_type": "metadata",
},
},
)
