File size: 13,949 Bytes
9909dba 8db749a 9909dba 8db749a 9909dba 8db749a 9909dba 8db749a 9909dba 8db749a 9909dba |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 |
import requests
import json
import base64
import hashlib
import secrets
from typing import Optional, Dict, Any
from urllib.parse import urlencode
class MeldRxAPI:
def __init__(self, client_id: str, client_secret: str, workspace_id: str, redirect_uri: str):
self.base_url = "https://app.meldrx.com"
self.api_base_url = f"{self.base_url}/api"
self.fhir_base_url = f"{self.api_base_url}/fhir/{workspace_id}"
self.mips_base_url = f"{self.base_url}/mms-api"
self.token_url = f"{self.base_url}/connect/token"
self.authorize_url = f"{self.base_url}/connect/authorize"
self.client_id = client_id
self.client_secret = client_secret
self.workspace_id = workspace_id
self.redirect_uri = redirect_uri
self.access_token = None
self.code_verifier = None
self.session = requests.Session()
def _generate_code_verifier(self) -> str:
self.code_verifier = secrets.token_urlsafe(32) # 43 characters
return self.code_verifier
def _generate_code_challenge(self, code_verifier: str) -> str:
sha256_hash = hashlib.sha256(code_verifier.encode('utf-8')).digest()
code_challenge = base64.urlsafe_b64encode(sha256_hash).decode('utf-8').rstrip('=')
return code_challenge
def authenticate(self) -> bool:
payload = {
"grant_type": "client_credentials",
"client_id": self.client_id,
"client_secret": self.client_secret
}
headers = {"Content-Type": "application/x-www-form-urlencoded"}
try:
response = self.session.post(self.token_url, data=payload, headers=headers)
response.raise_for_status()
token_data = response.json()
self.access_token = token_data.get("access_token")
if not self.access_token:
raise ValueError("No access token received.")
return True
except requests.RequestException as e:
print(f"Authentication failed: {e}")
return False
except ValueError as e:
print(f"Authentication error: {e}")
return False
def _get_headers(self) -> Dict[str, str]:
headers = {"Content-Type": "application/json"}
if self.access_token:
headers["Authorization"] = f"Bearer {self.access_token}"
return headers
def get_patients(self) -> Optional[Dict[str, Any]]:
url = f"{self.fhir_base_url}/Patient"
if not self.access_token and not self.authenticate():
print("Cannot proceed without authentication.")
return None
try:
response = self.session.get(url, headers=self._get_headers())
response.raise_for_status()
return response.json() if response.text else {}
except requests.RequestException as e:
print(f"Failed to retrieve patients: {e}")
return None
def get_authorization_url(self, scope: str = "patient/*.read openid profile", state: str = "random_state") -> str:
code_verifier = self._generate_code_verifier()
code_challenge = self._generate_code_challenge(code_verifier)
params = {
"response_type": "code",
"client_id": self.client_id,
"redirect_uri": self.redirect_uri,
"scope": scope,
"state": state,
"aud": self.fhir_base_url,
"code_challenge": code_challenge,
"code_challenge_method": "S256"
}
query_string = "&".join(f"{k}={v}" for k, v in params.items())
print(f"Generated Authorization URL: {self.authorize_url}?{query_string}") # Debugging
return f"{self.authorize_url}?{query_string}"
def authenticate_with_code(self, auth_code: str) -> bool:
if not self.code_verifier:
print("Error: Code verifier not set. Generate an authorization URL first.")
return False
payload = {
"grant_type": "authorization_code",
"code": auth_code,
"redirect_uri": self.redirect_uri,
"client_id": self.client_id,
"code_verifier": self.code_verifier
}
if self.client_secret:
payload["client_secret"] = self.client_secret
headers = {"Content-Type": "application/x-www-form-urlencoded"}
print(f"Token Request Payload: {payload}") # Debugging
try:
response = self.session.post(self.token_url, data=payload, headers=headers)
response.raise_for_status()
token_data = response.json()
print(f"Token Response: {token_data}") # Debugging
self.access_token = token_data.get("access_token")
if not self.access_token:
raise ValueError("No access token received.")
return True
except requests.RequestException as e:
print(f"Token Request Failed: {e}")
print(f"Response Status: {e.response.status_code if e.response else 'No response'}")
print(f"Response Text: {e.response.text if e.response else 'No response'}")
return False
except ValueError as e:
print(f"Authentication error: {e}")
return False
def create_virtual_workspace(self, snapshot: str = "patient-prefetch",
patient_id: str = "AutoPopulatedIfNotManuallySet",
hook: str = "patient-view") -> bool:
"""
Create a virtual workspace in the specified workspace (FHIR API).
Args:
snapshot (str): The snapshot type (default: "patient-prefetch").
patient_id (str): The patient ID (default: "AutoPopulatedIfNotManuallySet").
hook (str): The hook type (default: "patient-view").
Returns:
bool: True if the virtual workspace is created successfully, False otherwise.
"""
url = f"{self.fhir_base_url}/$virtual-workspace"
if not self.access_token and not self.authenticate():
print("Cannot proceed without authentication.")
return False
payload = {"snapshot": snapshot, "patientId": patient_id, "hook": hook}
try:
response = self.session.post(url, data=json.dumps(payload), headers=self._get_headers())
response.raise_for_status()
return True
except requests.RequestException as e:
print(f"Failed to create virtual workspace: {e}")
return False
def get_mips_patients(self) -> Optional[Dict[str, Any]]:
"""
Retrieve a list of patients from the MIPS API.
Returns:
Optional[Dict[str, Any]]: Patient data as a dictionary if successful, None otherwise.
"""
url = f"{self.mips_base_url}/Patient"
if not self.access_token and not self.authenticate():
print("Cannot proceed without authentication.")
return None
try:
response = self.session.get(url, headers=self._get_headers())
response.raise_for_status()
return response.json() if response.text else {}
except requests.RequestException as e:
print(f"Failed to retrieve MIPS patients: {e}")
return None
def get_mips_patient_by_id(self, patient_id: str) -> Optional[Dict[str, Any]]:
"""
Retrieve patient information by ID from the MIPS API.
Args:
patient_id (str): The ID of the patient to retrieve.
Returns:
Optional[Dict[str, Any]]: Patient data as a dictionary if successful, None otherwise.
"""
url = f"{self.mips_base_url}/Patient/{patient_id}"
if not self.access_token and not self.authenticate():
print("Cannot proceed without authentication.")
return None
try:
response = self.session.get(url, headers=self._get_headers())
response.raise_for_status()
return response.json() if response.text else {}
except requests.RequestException as e:
print(f"Failed to retrieve patient {patient_id}: {e}")
return None
def get_mips_encounters(self, patient_id: str = None) -> Optional[Dict[str, Any]]:
"""
Retrieve encounters from the MIPS API, optionally filtered by patient ID.
Args:
patient_id (str, optional): The ID of the patient to filter encounters by.
Returns:
Optional[Dict[str, Any]]: Encounter data as a dictionary if successful, None otherwise.
"""
url = f"{self.mips_base_url}/Encounter"
if patient_id:
url += f"?patient={patient_id}"
if not self.access_token and not self.authenticate():
print("Cannot proceed without authentication.")
return None
try:
response = self.session.get(url, headers=self._get_headers())
response.raise_for_status()
return response.json() if response.text else {}
except requests.RequestException as e:
print(f"Failed to retrieve encounters: {e}")
return None
def update_fhir_patient(self, patient_id: str, patient_data: Dict[str, Any]) -> bool:
"""
Update patient data in the FHIR API using a PUT request.
Args:
patient_id (str): The ID of the patient to update.
patient_data (Dict[str, Any]): The updated patient data in FHIR JSON format.
Returns:
bool: True if the patient is updated successfully, False otherwise.
"""
url = f"{self.fhir_base_url}/Patient/{patient_id}"
if not self.access_token and not self.authenticate():
print("Cannot proceed without authentication.")
return False
try:
response = self.session.put(url, data=json.dumps(patient_data), headers=self._get_headers())
response.raise_for_status()
return True
except requests.RequestException as e:
print(f"Failed to update FHIR patient {patient_id}: {e}")
return False
def update_mips_patient(self, patient_id: str, patient_data: Dict[str, Any]) -> bool:
"""
Update patient data in the MIPS API using a PUT request.
Args:
patient_id (str): The ID of the patient to update.
patient_data (Dict[str, Any]): The updated patient data in FHIR JSON format.
Returns:
bool: True if the patient is updated successfully, False otherwise.
"""
url = f"{self.mips_base_url}/Patient/{patient_id}"
if not self.access_token and not self.authenticate():
print("Cannot proceed without authentication.")
return False
try:
response = self.session.put(url, data=json.dumps(patient_data), headers=self._get_headers())
response.raise_for_status()
return True
except requests.RequestException as e:
print(f"Failed to update MIPS patient {patient_id}: {e}")
return False
def close(self):
"""Close the session to free up resources."""
self.session.close()
def __enter__(self):
"""Support for context manager entry."""
return self
def __exit__(self, exc_type, exc_val, exc_tb):
"""Support for context manager exit, ensuring session is closed."""
self.close()
# # Example usage with patient update functionality
# if __name__ == "__main__":
# # Replace these with your actual credentials and workspace ID
# CLIENT_ID = "your_client_id"
# CLIENT_SECRET = "your_client_secret"
# WORKSPACE_ID = "your_workspace_id"
# PATIENT_ID = "example_patient_id" # Replace with an actual patient ID
# with MeldRxAPI(client_id=CLIENT_ID, client_secret=CLIENT_SECRET, workspace_id=WORKSPACE_ID) as meldrx:
# # Authenticate
# if meldrx.authenticate():
# print("Authentication successful!")
# # Retrieve specific patient information from MIPS API
# patient_info = meldrx.get_mips_patient_by_id(PATIENT_ID)
# if patient_info is not None:
# print(f"Original Patient {PATIENT_ID} Info:", json.dumps(patient_info, indent=2))
# # Example patient data to update (FHIR Patient resource format)
# updated_patient_data = {
# "resourceType": "Patient",
# "id": PATIENT_ID,
# "name": [{
# "family": "Doe",
# "given": ["John", "Updated"]
# }],
# "gender": "male",
# "birthDate": "1980-01-01"
# }
# # Update patient in FHIR API
# if meldrx.update_fhir_patient(PATIENT_ID, updated_patient_data):
# print(f"Successfully updated patient {PATIENT_ID} in FHIR API")
# updated_info = meldrx.get_mips_patient_by_id(PATIENT_ID)
# if updated_info:
# print(f"Updated Patient {PATIENT_ID} Info (FHIR):", json.dumps(updated_info, indent=2))
# # Update patient in MIPS API
# if meldrx.update_mips_patient(PATIENT_ID, updated_patient_data):
# print(f"Successfully updated patient {PATIENT_ID} in MIPS API")
# updated_info = meldrx.get_mips_patient_by_id(PATIENT_ID)
# if updated_info:
# print(f"Updated Patient {PATIENT_ID} Info (MIPS):", json.dumps(updated_info, indent=2))
# # Retrieve encounters for the patient from MIPS API
# encounters = meldrx.get_mips_encounters(patient_id=PATIENT_ID)
# if encounters is not None:
# print(f"Encounters for Patient {PATIENT_ID}:", json.dumps(encounters, indent=2)) |