197 lines
9.0 KiB
Python
197 lines
9.0 KiB
Python
from datetime import datetime
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from sqlalchemy import desc
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from crc import app, db, session
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from crc.api.common import ApiError
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from crc.models.approval import ApprovalModel, ApprovalStatus, ApprovalFile, Approval
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from crc.models.study import StudyModel
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from crc.models.workflow import WorkflowModel
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from crc.services.file_service import FileService
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from crc.services.ldap_service import LdapService
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from crc.services.mails import (
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send_ramp_up_submission_email,
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# send_ramp_up_approval_request_email,
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send_ramp_up_approval_request_first_review_email,
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# send_ramp_up_approved_email,
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# send_ramp_up_denied_email
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)
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class ApprovalService(object):
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"""Provides common tools for working with an Approval"""
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@staticmethod
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def __one_approval_from_study(study, approver_uid = None, ignore_cancelled=False):
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"""Returns one approval, with all additional approvals as 'related_approvals',
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the main approval can be pinned to an approver with an optional argument.
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Will return null if no approvals exist on the study."""
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main_approval = None
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related_approvals = []
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query = db.session.query(ApprovalModel).\
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filter(ApprovalModel.study_id == study.id)
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if ignore_cancelled:
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query=query.filter(ApprovalModel.status != ApprovalStatus.CANCELED.value)
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approvals = query.all()
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for approval_model in approvals:
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if approval_model.approver_uid == approver_uid:
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main_approval = Approval.from_model(approval_model)
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else:
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related_approvals.append(Approval.from_model(approval_model))
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if not main_approval and len(related_approvals) > 0:
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main_approval = related_approvals[0]
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related_approvals = related_approvals[1:]
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if len(related_approvals) > 0:
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main_approval.related_approvals = related_approvals
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return main_approval
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@staticmethod
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def get_approvals_per_user(approver_uid):
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"""Returns a list of approval objects (not db models) for the given
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approver. """
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studies = db.session.query(StudyModel).join(ApprovalModel).\
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filter(ApprovalModel.approver_uid == approver_uid).all()
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approvals = []
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for study in studies:
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approval = ApprovalService.__one_approval_from_study(study, approver_uid)
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if approval:
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approvals.append(approval)
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return approvals
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@staticmethod
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def get_all_approvals(ignore_cancelled=False):
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"""Returns a list of all approval objects (not db models), one record
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per study, with any associated approvals grouped under the first approval."""
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studies = db.session.query(StudyModel).all()
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approvals = []
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for study in studies:
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approval = ApprovalService.__one_approval_from_study(study, ignore_cancelled=ignore_cancelled)
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if approval:
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approvals.append(approval)
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return approvals
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@staticmethod
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def get_approvals_for_study(study_id):
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"""Returns an array of Approval objects for the study, it does not
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compute the related approvals."""
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db_approvals = session.query(ApprovalModel).filter_by(study_id=study_id).all()
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return [Approval.from_model(approval_model) for approval_model in db_approvals]
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@staticmethod
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def update_approval(approval_id, approver_uid, status):
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"""Update a specific approval"""
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db_approval = session.query(ApprovalModel).get(approval_id)
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if db_approval:
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db_approval.status = status
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session.add(db_approval)
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session.commit()
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if status == ApprovalStatus.APPROVED.value:
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second_approval = ApprovalModel().query.filter_by(
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study_id=db_approval.study_id, workflow_id=db_approval.workflow_id,
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status=ApprovalStatus.PENDING.value, version=db_approval.version).first()
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if second_approval:
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# send rrp approval request for second approver
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pass
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else:
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# send rrp approved email
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pass
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elif status == ApprovalStatus.DECLINED.value:
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first_approval = ApprovalModel().query.filter_by(
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study_id=db_approval.study_id, workflow_id=db_approval.workflow_id,
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status=ApprovalStatus.APPROVED.value, version=db_approval.version).first()
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if first_approval:
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# Second approver denies
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# send rrp denied by second approver email to first approver
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pass
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# send rrp denied email
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# TODO: Log update action by approver_uid - maybe ?
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return db_approval
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@staticmethod
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def add_approval(study_id, workflow_id, approver_uid):
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"""we might have multiple approvals for a workflow, so I would expect this
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method to get called multiple times for the same workflow. This will
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only add a new approval if no approval already exists for the approver_uid,
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unless the workflow has changed, at which point, it will CANCEL any
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pending approvals and create a new approval for the latest version
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of the workflow."""
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# Find any existing approvals for this workflow and approver.
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latest_approval_request = db.session.query(ApprovalModel). \
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filter(ApprovalModel.workflow_id == workflow_id). \
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filter(ApprovalModel.approver_uid == approver_uid). \
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order_by(desc(ApprovalModel.version)).first()
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# Construct as hash of the latest files to see if things have changed since
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# the last approval.
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workflow = db.session.query(WorkflowModel).filter(WorkflowModel.id == workflow_id).first()
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workflow_data_files = FileService.get_workflow_data_files(workflow_id)
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current_data_file_ids = list(data_file.id for data_file in workflow_data_files)
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if len(current_data_file_ids) == 0:
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raise ApiError("invalid_workflow_approval", "You can't create an approval for a workflow that has"
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"no files to approve in it.")
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# If an existing approval request exists and no changes were made, do nothing.
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# If there is an existing approval request for a previous version of the workflow
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# then add a new request, and cancel any waiting/pending requests.
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if latest_approval_request:
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request_file_ids = list(file.file_data_id for file in latest_approval_request.approval_files)
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current_data_file_ids.sort()
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request_file_ids.sort()
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if current_data_file_ids == request_file_ids:
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return # This approval already exists.
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else:
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latest_approval_request.status = ApprovalStatus.CANCELED.value
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db.session.add(latest_approval_request)
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version = latest_approval_request.version + 1
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else:
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version = 1
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model = ApprovalModel(study_id=study_id, workflow_id=workflow_id,
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approver_uid=approver_uid, status=ApprovalStatus.PENDING.value,
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message="", date_created=datetime.now(),
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version=version)
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approval_files = ApprovalService._create_approval_files(workflow_data_files, model)
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# Check approvals count
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approvals_count = ApprovalModel().query.filter_by(study_id=study_id, workflow_id=workflow_id,
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version=version).count()
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db.session.add(model)
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db.session.add_all(approval_files)
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db.session.commit()
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# Send first email
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if approvals_count == 0:
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ldap_service = LdapService()
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pi_user_info = ldap_service.user_info(model.study.primary_investigator_id)
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approver_info = ldap_service.user_info(approver_uid)
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# send rrp submission
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send_ramp_up_submission_email(
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'askresearch@virginia.edu',
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[pi_user_info.email_address],
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f'{approver_info.display_name} - ({approver_info.uid})'
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)
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# send rrp approval request for first approver
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# enhance the second part in case it bombs
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approver_email = [approver_info.email_address] if approver_info.email_address else app.config['FALLBACK_EMAILS']
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send_ramp_up_approval_request_first_review_email(
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'askresearch@virginia.edu',
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approver_email,
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f'{pi_user_info.display_name} - ({pi_user_info.uid})'
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)
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@staticmethod
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def _create_approval_files(workflow_data_files, approval):
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"""Currently based exclusively on the status of files associated with a workflow."""
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file_approval_models = []
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for file_data in workflow_data_files:
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file_approval_models.append(ApprovalFile(file_data_id=file_data.id,
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approval=approval))
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return file_approval_models
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