def vread(request, resource_type, id, vid):
interaction_type = 'vread'
#Check if this interaction type and resource type combo is allowed.
deny = check_access_interaction_and_resource_type(resource_type, interaction_type)
if deny:
#If not allowed, return a 4xx error.
return deny
"""VRead Interaction"""
# Example client use in curl:
# curl -X GET http://127.0.0.1:8000/fhir/Practitioner/12345/_history/1
if request.method != 'GET':
msg = "HTTP method %s not supported at this URL." % (request.method)
return kickout_400(msg)
#testing direct response
return FHIR_BACKEND.vread(request, resource_type, id, vid)
od = OrderedDict()
od['request_method']= request.method
od['interaction_type'] = "vread"
od['resource_type'] = resource_type
od['id'] = id
od['vid'] = vid
od['note'] = "This is only a stub for future implementation"
return HttpResponse(json.dumps(od, indent=4),
content_type="application/json")
def update(request, resource_type, id):
"""Update FHIR Interaction"""
# Example client use in curl:
# curl -X PUT -H "Content-Type: application/json" --data @test.json
# http://127.0.0.1:8000/fhir/Practitioner/12345
interaction_type = 'update'
# Check if this interaction type and resource type combo is allowed.
deny = check_access_interaction_and_resource_type(resource_type,
interaction_type)
if deny:
# If not allowed, return a 4xx error.
return deny
# Replace Section below with call to function in fhir_io_mongo or pluggable backend
od = OrderedDict()
if DF_EXTRA_INFO:
od['request_method'] = request.method
od['interaction_type'] = "update"
od['resource_type'] = resource_type
od['id'] = id
if DF_EXTRA_INFO:
od['note'] = "This is only a stub for future implementation"
return HttpResponse(json.dumps(od, indent=4),
content_type="application/json")
def delete(request, resource_type, id):
"""Delete FHIR Interaction"""
# Example client use in curl:
# curl -X DELETE -H "Content-Type: application/json" --data @test.json http://127.0.0.1:8000/fhir/Practitioner/12345
interaction_type = 'delete'
#Check if this interaction type and resource type combo is allowed.
deny = check_access_interaction_and_resource_type(resource_type,
interaction_type)
if deny:
#If not allowed, return a 4xx error.
return deny
#testing direct response
return FHIR_BACKEND_DELETE.delete(request, resource_type, id)
od = OrderedDict()
if DF_EXTRA_INFO:
od['request_method'] = request.method
od['interaction_type'] = interaction_type
od['resource_type'] = resource_type
od['id'] = id
if DF_EXTRA_INFO:
od['note'] = "This is only a stub for future implementation"
return HttpResponse(json.dumps(od, indent=4),
content_type="application/json")
def search(request, resource_type):
interaction_type = 'search'
#Check if this interaction type and resource type combo is allowed.
deny = check_access_interaction_and_resource_type(resource_type, interaction_type)
if deny:
#If not allowed, return a 4xx error.
return deny
"""Search Interaction"""
# Example client use in curl:
# curl -X GET http://127.0.0.1:8000/fhir/Practitioner?foo=bar
if request.method != 'GET':
msg = "HTTP method %s not supported at this URL." % (request.method)
return kickout_400(msg)
if settings.DEBUG:
print("FHIR_BACKEND in search:",FHIR_BACKEND_FIND )
return FHIR_BACKEND_FIND.find(request, resource_type)
# Move to fhir_io_mongo (Plugable back-end)
od = OrderedDict()
if DF_EXTRA_INFO:
od['request_method']= request.method
od['interaction_type'] = "search"
od['resource_type'] = resource_type
if DF_EXTRA_INFO:
od['search_params'] = request.GET
od['note'] = "This is only a stub for future implementation"
return HttpResponse(json.dumps(od, indent=4),
content_type="application/json")
def read(request, resource_type, id):
"""Read FHIR Interaction"""
# Example client use in curl:
# curl -X GET http://127.0.0.1:8000/fhir/Practitioner/1234
interaction_type = 'read'
#Check if this interaction type and resource type combo is allowed.
deny = check_access_interaction_and_resource_type(resource_type, interaction_type)
if deny:
#If not allowed, return a 4xx error.
return deny
if settings.DEBUG:
print("Backend:", FHIR_BACKEND_VIEW)
#testing direct response
return FHIR_BACKEND_VIEW.read(request, resource_type, id)
# move to fhir_io_mongo (pluggable backend)
od = OrderedDict()
if DF_EXTRA_INFO:
od['request_method']= request.method
od['interaction_type'] = interaction_type
od['resource_type'] = resource_type
od['id'] = id
if DF_EXTRA_INFO:
od['note'] = "This is only a stub for future implementation"
return HttpResponse(json.dumps(od, indent=4),
content_type="application/json")
def read(request, resource_type, id):
"""Read FHIR Interaction"""
# Example client use in curl:
# curl -X GET http://127.0.0.1:8000/fhir/Practitioner/1234
interaction_type = 'read'
#Check if this interaction type and resource type combo is allowed.
deny = check_access_interaction_and_resource_type(resource_type,
interaction_type)
if deny:
#If not allowed, return a 4xx error.
return deny
if settings.DEBUG:
print("Backend:", FHIR_BACKEND_VIEW)
#testing direct response
return FHIR_BACKEND_VIEW.read(request, resource_type, id)
# move to fhir_io_mongo (pluggable backend)
od = OrderedDict()
if DF_EXTRA_INFO:
od['request_method'] = request.method
od['interaction_type'] = interaction_type
od['resource_type'] = resource_type
od['id'] = id
if DF_EXTRA_INFO:
od['note'] = "This is only a stub for future implementation"
return HttpResponse(json.dumps(od, indent=4),
content_type="application/json")
def vread(request, resource_type, id, vid):
interaction_type = 'vread'
#Check if this interaction type and resource type combo is allowed.
deny = check_access_interaction_and_resource_type(resource_type,
interaction_type)
if deny:
#If not allowed, return a 4xx error.
return deny
"""VRead Interaction"""
# Example client use in curl:
# curl -X GET http://127.0.0.1:8000/fhir/Practitioner/12345/_history/1
if request.method != 'GET':
msg = "HTTP method %s not supported at this URL." % (request.method)
return kickout_400(msg)
#testing direct response
return FHIR_BACKEND.vread(request, resource_type, id, vid)
od = OrderedDict()
od['request_method'] = request.method
od['interaction_type'] = "vread"
od['resource_type'] = resource_type
od['id'] = id
od['vid'] = vid
od['note'] = "This is only a stub for future implementation"
return HttpResponse(json.dumps(od, indent=4),
content_type="application/json")
def search(request, resource_type):
interaction_type = 'search'
#Check if this interaction type and resource type combo is allowed.
deny = check_access_interaction_and_resource_type(resource_type,
interaction_type)
if deny:
#If not allowed, return a 4xx error.
return deny
"""Search Interaction"""
# Example client use in curl:
# curl -X GET http://127.0.0.1:8000/fhir/Practitioner?foo=bar
if request.method != 'GET':
msg = "HTTP method %s not supported at this URL." % (request.method)
return kickout_400(msg)
if settings.DEBUG:
print("FHIR_BACKEND in search:", FHIR_BACKEND_FIND)
return FHIR_BACKEND_FIND.find(request, resource_type)
# Move to fhir_io_mongo (Plugable back-end)
od = OrderedDict()
if DF_EXTRA_INFO:
od['request_method'] = request.method
od['interaction_type'] = "search"
od['resource_type'] = resource_type
if DF_EXTRA_INFO:
od['search_params'] = request.GET
od['note'] = "This is only a stub for future implementation"
return HttpResponse(json.dumps(od, indent=4),
content_type="application/json")
def delete(request, resource_type, id):
"""Delete FHIR Interaction"""
# Example client use in curl:
# curl -X DELETE -H "Content-Type: application/json" --data @test.json http://127.0.0.1:8000/fhir/Practitioner/12345
interaction_type = "delete"
# Check if this interaction type and resource type combo is allowed.
deny = check_access_interaction_and_resource_type(resource_type, interaction_type)
if deny:
# If not allowed, return a 4xx error.
return deny
# testing direct response
return FHIR_BACKEND_DELETE.delete(request, resource_type, id)
od = OrderedDict()
if DF_EXTRA_INFO:
od["request_method"] = request.method
od["interaction_type"] = interaction_type
od["resource_type"] = resource_type
od["id"] = id
if DF_EXTRA_INFO:
od["note"] = "This is only a stub for future implementation"
return HttpResponse(json.dumps(od, indent=4), content_type="application/json")
def update(request, resource_type, id):
"""Update FHIR Interaction"""
# Example client use in curl:
# curl -X PUT -H "Content-Type: application/json" --data @test.json
# http://127.0.0.1:8000/fhir/Practitioner/12345
interaction_type = 'update'
# Check if this interaction type and resource type combo is allowed.
deny = check_access_interaction_and_resource_type(resource_type, interaction_type)
if deny:
# If not allowed, return a 4xx error.
return deny
# Replace Section below with call to function in fhir_io_mongo or pluggable backend
od = OrderedDict()
if DF_EXTRA_INFO:
od['request_method']= request.method
od['interaction_type'] = "update"
od['resource_type'] = resource_type
od['id'] = id
if DF_EXTRA_INFO:
od['note'] = "This is only a stub for future implementation"
return HttpResponse(json.dumps(od, indent=4),
content_type="application/json")
def generic_read(request, interaction_type, resource_type, id, vid=None, *args, **kwargs):
"""
Read from remote FHIR Server
:param resourcetype:
:param id:
:return:
# Example client use in curl:
# curl -X GET http://127.0.0.1:8000/fhir/Practitioner/1234
"""
# interaction_type = 'read' or '_history' or 'vread'
if settings.DEBUG:
print("interaction_type:", interaction_type)
#Check if this interaction type and resource type combo is allowed.
deny = check_access_interaction_and_resource_type(resource_type, interaction_type)
if deny:
#If not allowed, return a 4xx error.
return deny
srtc = check_rt_controls(resource_type)
# We get back an Supported ResourceType Control record or None
if settings.DEBUG:
if srtc:
print("Parameter Rectrictions:", srtc.parameter_restriction())
else:
print("No Resource Controls found")
if srtc:
if srtc.force_url_id_override:
key = crosswalk_id(request, id)
# Crosswalk returns the new id or returns None
if settings.DEBUG:
print("crosswalk:", key)
else:
# No Id_Overide so use the original id
key = id
else:
key = id
# Do we have a key?
if key == None:
return kickout_404("FHIR_IO_HAPI:Search needs a valid Resource Id that is linked "
"to the authenticated user "
"(%s) which was not available" % request.user)
# Now we get to process the API Call.
if settings.DEBUG:
print("Now we need to evaluate the parameters and arguments"
" to work with ", key, "and ", request.user)
print("GET Parameters:", request.GET, ":")
mask = False
if srtc:
if srtc.force_url_id_override:
mask = True
in_fmt = "json"
Txn = {'name': resource_type,
'display': resource_type,
'mask': mask,
'server': settings.FHIR_SERVER,
'locn': "/baseDstu2/"+resource_type+"/",
'in_fmt': in_fmt,
}
skip_parm = []
if srtc:
skip_parm = srtc.parameter_restriction()
#skip_parm = ['_id',
# 'access_token', 'client_id', 'response_type', 'state']
if settings.DEBUG:
print('Masking the following parameters', skip_parm)
# access_token can be passed in as a part of OAuth protected request.
# as can: state=random_state_string&response_type=code&client_id=ABCDEF
# Remove it before passing url through to FHIR Server
pass_params = build_params(request.GET, skip_parm)
if settings.DEBUG:
print("Parameters:", pass_params)
if interaction_type == "vread":
pass_to = Txn['server'] + Txn['locn'] + key + "/" + "_history" + "/" + vid
elif interaction_type == "_history":
pass_to = Txn['server'] + Txn['locn'] + key + "/" + "_history"
else: # interaction_type == "read":
pass_to = Txn['server'] + Txn['locn'] + key + "/"
print("Here is the URL to send, %s now get parameters %s" % (pass_to,pass_params))
if pass_params != "":
pass_to = pass_to + pass_params
# Now make the call to the backend API
try:
r = requests.get(pass_to)
except requests.ConnectionError:
if settings.DEBUG:
print("Problem connecting to FHIR Server")
messages.error(request, "FHIR Server is unreachable." )
return HttpResponseRedirect(reverse_lazy('api:v1:home'))
if r.status_code in [301, 302, 400, 403, 404, 500]:
return error_status(r, r.status_code)
text_out = ""
print("r:", r.text)
if '_format=xml' in pass_params:
text_out= minidom.parseString(r.text).toprettyxml()
else:
text_out = r.json()
od = OrderedDict()
od['request_method']= request.method
od['interaction_type'] = interaction_type
od['resource_type'] = resource_type
od['id'] = key
if vid != None:
od['vid'] = vid
if settings.DEBUG:
print("Query List:", request.META['QUERY_STRING'] )
od['parameters'] = request.GET.urlencode()
if settings.DEBUG:
print("or:", od['parameters'])
if '_format=xml' in pass_params.lower():
fmt = "xml"
elif '_format=json' in pass_params.lower():
fmt = "json"
else:
fmt = ''
od['format'] = fmt
od['bundle'] = text_out
od['note'] = 'This is the %s Pass Thru (%s) ' % (resource_type,key)
if settings.DEBUG:
od['note'] += 'using: %s ' % (pass_to)
print(od)
if od['format'] == "xml":
if settings.DEBUG:
print("We got xml back in od")
return HttpResponse( tostring(dict_to_xml('content', od)),
content_type="application/%s" % od['format'])
elif od['format'] == "json":
if settings.DEBUG:
print("We got json back in od")
return HttpResponse(json.dumps(od, indent=4),
content_type="application/%s" % od['format'])
if settings.DEBUG:
print("We got a different format:%s" % od['format'])
return render(request,
'fhir_io_hapi/default.html',
{'content': json.dumps(od, indent=4),
'output': od},
)
def generic_read(request,
interaction_type,
resource_type,
id,
vid=None,
*args,
**kwargs):
"""
Read from remote FHIR Server
:param resourcetype:
:param id:
:return:
# Example client use in curl:
# curl -X GET http://127.0.0.1:8000/fhir/Practitioner/1234
"""
# interaction_type = 'read' or '_history' or 'vread'
if settings.DEBUG:
print("interaction_type:", interaction_type)
#Check if this interaction type and resource type combo is allowed.
deny = check_access_interaction_and_resource_type(resource_type,
interaction_type)
if deny:
#If not allowed, return a 4xx error.
return deny
srtc = check_rt_controls(resource_type)
# We get back an Supported ResourceType Control record or None
if settings.DEBUG:
if srtc:
print("Parameter Restrictions:", srtc.parameter_restriction())
else:
print("No Resource Controls found")
print("Working with id:", id)
key = id
if srtc:
if srtc.force_url_id_override:
key = crosswalk_id(request, id)
if key == None:
if not id == None:
key = id
# Crosswalk returns the new id or returns None
if settings.DEBUG:
print("crosswalk:", key, ":", request.user)
else:
# No Id_Overide so use the original id
key = id
else:
key = id
# Do we have a key?
# if key == None:
# return kickout_404("FHIR_IO_HAPI:Search needs a valid Resource Id that is linked "
# "to the authenticated user "
# "(%s) which was not available" % request.user)
# Now we get to process the API Call.
if settings.DEBUG:
print(
"Now we need to evaluate the parameters and arguments"
" to work with ", key, "and ", request.user)
print("GET Parameters:", request.GET, ":")
mask = False
if srtc:
if srtc.force_url_id_override:
mask = True
in_fmt = "json"
Txn = {
'name': resource_type,
'display': resource_type,
'mask': mask,
'in_fmt': in_fmt,
}
skip_parm = []
if srtc:
skip_parm = srtc.parameter_restriction()
#skip_parm = ['_id',
# 'access_token', 'client_id', 'response_type', 'state']
if settings.DEBUG:
print('Masking the following parameters', skip_parm)
# access_token can be passed in as a part of OAuth protected request.
# as can: state=random_state_string&response_type=code&client_id=ABCDEF
# Remove it before passing url through to FHIR Server
pass_params = build_params(request.GET, skip_parm)
if settings.DEBUG:
print("Parameters:", pass_params)
if interaction_type == "vread":
pass_to = FhirServerUrl(
) + "/" + resource_type + "/" + key + "/" + "_history" + "/" + vid
elif interaction_type == "_history":
pass_to = FhirServerUrl(
) + "/" + resource_type + "/" + key + "/" + "_history"
else: # interaction_type == "read":
pass_to = FhirServerUrl() + "/" + resource_type + "/" + key + "/"
print("Here is the URL to send, %s now get parameters %s" %
(pass_to, pass_params))
if pass_params != "":
pass_to += pass_params
# Now make the call to the backend API
try:
r = requests.get(pass_to)
except requests.ConnectionError:
if settings.DEBUG:
print("Problem connecting to FHIR Server")
messages.error(request, "FHIR Server is unreachable.")
return HttpResponseRedirect(reverse_lazy('api:v1:home'))
if r.status_code in [301, 302, 400, 403, 404, 500]:
return error_status(r, r.status_code)
text_out = ""
if settings.DEBUG:
print("r:", r.text)
if '_format=xml' in pass_params:
text_out = minidom.parseString(r.text).toprettyxml()
else:
text_out = r.json()
od = OrderedDict()
if DF_EXTRA_INFO:
od['request_method'] = request.method
od['interaction_type'] = interaction_type
od['resource_type'] = resource_type
od['id'] = key
if vid != None:
od['vid'] = vid
if settings.DEBUG:
print("Query List:", request.META['QUERY_STRING'])
if DF_EXTRA_INFO:
od['parameters'] = request.GET.urlencode()
if settings.DEBUG:
print("or:", od['parameters'])
if '_format=xml' in pass_params.lower():
fmt = "xml"
elif '_format=json' in pass_params.lower():
fmt = "json"
else:
fmt = ''
if DF_EXTRA_INFO:
od['format'] = fmt
od['bundle'] = text_out
if DF_EXTRA_INFO:
od['note'] = 'This is the %s Pass Thru (%s) ' % (resource_type, key)
if settings.DEBUG:
od['note'] += 'using: %s ' % (pass_to)
print(od)
if fmt == "xml":
if settings.DEBUG:
print("We got xml back in od")
return HttpResponse(tostring(dict_to_xml('content', od)),
content_type="application/%s" % fmt)
elif fmt == "json":
if settings.DEBUG:
print("We got json back in od")
return HttpResponse(json.dumps(od, indent=4),
content_type="application/%s" % fmt)
if settings.DEBUG:
print("We got a different format:%s" % fmt)
return render(
request,
'fhir_io_hapi/default.html',
{
'content': json.dumps(od, indent=4),
'output': od
},
)
