80 lines
3.4 KiB
Python
80 lines
3.4 KiB
Python
import json
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from json import JSONDecodeError
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from typing import List, Optional
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import requests
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from crc import app
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from crc.api.common import ApiError
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from crc.models.protocol_builder import ProtocolBuilderStudySchema, ProtocolBuilderRequiredDocument
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class ProtocolBuilderService(object):
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STUDY_URL = app.config['PB_USER_STUDIES_URL']
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INVESTIGATOR_URL = app.config['PB_INVESTIGATORS_URL']
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REQUIRED_DOCS_URL = app.config['PB_REQUIRED_DOCS_URL']
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STUDY_DETAILS_URL = app.config['PB_STUDY_DETAILS_URL']
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SPONSORS_URL = app.config['PB_SPONSORS_URL']
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@staticmethod
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def is_enabled():
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if isinstance(app.config['PB_ENABLED'], str):
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return app.config['PB_ENABLED'].lower() == "true"
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else:
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return app.config['PB_ENABLED'] is True
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@staticmethod
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def get_studies(user_id) -> {}:
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ProtocolBuilderService.__enabled_or_raise()
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if not isinstance(user_id, str):
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raise ApiError("protocol_builder_error", "This user id is invalid: " + str(user_id))
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url = ProtocolBuilderService.STUDY_URL % user_id
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response = requests.get(url)
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if response.ok and response.text:
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try:
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pb_studies = ProtocolBuilderStudySchema(many=True).loads(response.text)
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return pb_studies
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except JSONDecodeError as err:
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raise ApiError("protocol_builder_error",
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"Received an invalid response from the protocol builder. The response is not "
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"valid json. Url: %s, Response: %s, error: %s" %
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(url, response.text, err.msg))
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else:
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raise ApiError("protocol_builder_error",
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"Received an invalid response from the protocol builder (status %s): %s" %
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(response.status_code, response.text))
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@staticmethod
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def get_investigators(study_id) -> {}:
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return ProtocolBuilderService.__make_request(study_id, ProtocolBuilderService.INVESTIGATOR_URL)
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@staticmethod
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def get_required_docs(study_id) -> Optional[List[ProtocolBuilderRequiredDocument]]:
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return ProtocolBuilderService.__make_request(study_id, ProtocolBuilderService.REQUIRED_DOCS_URL)
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@staticmethod
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def get_study_details(study_id) -> {}:
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return ProtocolBuilderService.__make_request(study_id, ProtocolBuilderService.STUDY_DETAILS_URL)
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@staticmethod
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def get_sponsors(study_id) -> {}:
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return ProtocolBuilderService.__make_request(study_id, ProtocolBuilderService.SPONSORS_URL)
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@staticmethod
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def __enabled_or_raise():
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if not ProtocolBuilderService.is_enabled():
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raise ApiError("protocol_builder_disabled", "The Protocol Builder Service is currently disabled.")
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@staticmethod
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def __make_request(study_id, url):
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ProtocolBuilderService.__enabled_or_raise()
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if not isinstance(study_id, int):
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raise ApiError("invalid_study_id", "This study id is invalid: " + str(study_id))
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response = requests.get(url % study_id)
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if response.ok and response.text:
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return json.loads(response.text)
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else:
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raise ApiError("protocol_builder_error",
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"Received an invalid response from the protocol builder (status %s): %s when calling "
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"url '%s'." %
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(response.status_code, response.text, url))
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