Embedded signing in CFR Part 11 accounts

## Create Envelope Definition ##

@classmethod
 def make_envelope(cls, args):
        """
        Creates envelope
        args -- parameters for the envelope:
        signer_email, signer_name, signer_client_id
        returns an envelope definition
        """
        # document 1 (pdf) has tag /sn1/
        #
        # The envelope has one recipient.
        # recipient 1 - signer
        with open(path.join(demo_docs_path, DS_CONFIG["doc_pdf"]), "rb") as file:
            content_bytes = file.read()
        base64_file_content = base64.b64encode(content_bytes).decode("ascii")
        # Create the document model
        document = Document(  # create the Docusign document object
            document_base64=base64_file_content,
            name="Example document",  # can be different from actual file name
            file_extension="pdf",  # many different document types are accepted
            document_id=1  # a label used to reference the doc
        )
        # Create the signer recipient model
        signer = Signer(
            # The signer
            email=args["signer_email"],
            name=args["signer_name"],
            recipient_id="1",
            routing_order="1",
            identity_verification={ "workflowId": session['workflow_id'], "steps": "null", "inputOptions":[{"name":"phone_number_list","valueType":"PhoneNumberList","phoneNumberList":[{"countryCode":args["country_code"],"code":"1","number":args["phone_number"]}]}], "idCheckConfigurationName":""},
            # Setting the client_user_id marks the signer as embedded
            client_user_id=args["signer_client_id"]
        )
        # Create a sign_here tab (field on the document)
        sign_here = SignHere(
            # Docusign SignHere field/tab
            anchor_string="/sn1/",
            anchor_units="pixels",
            anchor_y_offset="-30",
            anchor_x_offset="20"
        )
        # Add the tabs model (including the sign_here tab) to the signer
        # The Tabs object wants arrays of the different field/tab types
        signer.tabs = Tabs(sign_here_tabs=[sign_here])
        # Next, create the top level envelope definition and populate it.
        envelope_definition = EnvelopeDefinition(
            email_subject="Please sign this document sent from the Python SDK",
            documents=[document],
            # The Recipients object wants arrays for each recipient type
            recipients=Recipients(signers=[signer]),
            status="sent"  # requests that the envelope be created and sent.
        )
        return envelope_definition



## Create Envelope ##

envelope_args = args["envelope_args"]
# 1. Create the envelope request object
envelope_definition = cls.make_envelope(envelope_args)

# 2. call Envelopes::create API method
# Exceptions will be caught by the calling function
api_client = create_api_client(base_path=args["base_path"], access_token=args["access_token"])

envelope_api = EnvelopesApi(api_client)
results = envelope_api.create_envelope(account_id=args["account_id"], envelope_definition=envelope_definition)

envelope_id = results.envelope_id


## Create Recipient View Definition ##

recipient_view_request = RecipientViewRequest(
    authentication_method="None",
    client_user_id=envelope_args["signer_client_id"],
    recipient_id="1",
    return_url=envelope_args["ds_return_url"],
    user_name=envelope_args["signer_name"],
    email=envelope_args["signer_email"]
)


## Initiate Embedded Signing ##
results = envelope_api.create_recipient_view(
    account_id=args["account_id"],
    envelope_id=envelope_id,
    recipient_view_request=recipient_view_request
)

return {"envelope_id": envelope_id, "redirect_url": results.url}