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# -*- coding: utf-8 -*- |
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# |
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# This file is part of SENAITE.CORE. |
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# |
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# SENAITE.CORE is free software: you can redistribute it and/or modify it under |
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# the terms of the GNU General Public License as published by the Free Software |
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# Foundation, version 2. |
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# |
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# This program is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
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# details. |
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# |
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# You should have received a copy of the GNU General Public License along with |
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# this program; if not, write to the Free Software Foundation, Inc., 51 |
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# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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# |
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# Copyright 2018-2024 by it's authors. |
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# Some rights reserved, see README and LICENSE. |
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from bika.lims import api |
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from bika.lims import logger |
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from bika.lims import workflow as wf |
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from bika.lims.api import security |
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from bika.lims.interfaces import ISubmitted |
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from bika.lims.interfaces import IVerified |
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from bika.lims.interfaces import IWorksheet |
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from bika.lims.interfaces.analysis import IRequestAnalysis |
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from plone.memoize.request import cache |
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def is_worksheet_context(): |
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"""Returns whether the current context from the request is a Worksheet |
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""" |
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request = api.get_request() |
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parents = request.get("PARENTS", []) |
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portal_types_names = map(lambda p: getattr(p, "portal_type", None), parents) |
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if "Worksheet" in portal_types_names: |
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return True |
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# Check if the worksheet is declared in request explicitly |
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ws_uid = request.get("ws_uid", "") |
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obj = api.get_object_by_uid(ws_uid, None) |
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if IWorksheet.providedBy(obj): |
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return True |
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return False |
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def guard_initialize(analysis): |
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"""Return whether the transition "initialize" can be performed or not |
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""" |
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request = analysis.getRequest() |
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if request.getDateReceived(): |
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return True |
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return False |
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def guard_assign(analysis): |
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"""Return whether the transition "assign" can be performed or not |
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""" |
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# Only if the request was done from worksheet context. |
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if not is_worksheet_context(): |
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return False |
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# Cannot assign if the Sample has not been received |
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if not analysis.isSampleReceived(): |
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return False |
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# Cannot assign if the analysis has a worksheet assigned already |
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if analysis.getWorksheet(): |
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return False |
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return True |
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def guard_unassign(analysis): |
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"""Return whether the transition "unassign" can be performed or not |
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""" |
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# Only if the request was done from worksheet context. |
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if not is_worksheet_context(): |
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return False |
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# Cannot unassign if the analysis is not assigned to any worksheet |
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if not analysis.getWorksheet(): |
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return False |
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return True |
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def guard_cancel(analysis): |
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"""Return whether the transition "cancel" can be performed or not. Returns |
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True only when the Analysis Request the analysis belongs to is in cancelled |
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state. Otherwise, returns False. |
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""" |
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return not api.is_active(analysis.getRequest()) |
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def guard_reinstate(analysis): |
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"""Return whether the transition "reinstate" can be performed or not. |
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Returns True only when the Analysis Request the analysis belongs to is in a |
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non-cancelled state. Otherwise, returns False. |
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""" |
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return api.is_active(analysis.getRequest()) |
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def guard_submit(analysis): |
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"""Return whether the transition "submit" can be performed or not |
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""" |
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# Cannot submit without a result |
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if not analysis.getResult(): |
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return False |
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# Cannot submit with interims without value |
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for interim in analysis.getInterimFields(): |
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true_values = ("true", "1", "on", "True", True, 1) |
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if interim.get("allow_empty", False) in true_values: |
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continue |
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if not interim.get("value", ""): |
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return False |
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# Cannot submit if attachment not set, but is required |
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if not analysis.getAttachment(): |
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if analysis.getAttachmentRequired(): |
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return False |
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# Check if can submit based on the Analysis Request state |
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if IRequestAnalysis.providedBy(analysis): |
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point_of_capture = analysis.getPointOfCapture() |
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# Cannot submit if the Sample has not been received |
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if point_of_capture == "lab" and not analysis.isSampleReceived(): |
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return False |
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# Cannot submit if the Sample has not been sampled |
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if point_of_capture == "field" and not analysis.isSampleSampled(): |
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return False |
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# Check if the current user can submit if is not assigned |
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if not analysis.bika_setup.getAllowToSubmitNotAssigned(): |
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if not user_has_super_roles(): |
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# Cannot submit if unassigned |
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analyst = analysis.getAnalyst() |
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if not analyst: |
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return False |
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# Cannot submit if assigned analyst is not the current user |
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if analyst != security.get_user_id(): |
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return False |
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# Cannot submit unless all dependencies are submitted or can be submitted |
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for dependency in analysis.getDependencies(): |
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if not is_submitted_or_submittable(dependency): |
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return False |
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return True |
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def guard_multi_verify(analysis): |
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"""Return whether the transition "multi_verify" can be performed or not |
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The transition multi_verify will only take place if multi-verification of |
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results is enabled. |
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""" |
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# Cannot multiverify if there is only one remaining verification |
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remaining_verifications = analysis.getNumberOfRemainingVerifications() |
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if remaining_verifications <= 1: |
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return False |
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# Cannot verify if the user submitted and self-verification is not allowed |
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if was_submitted_by_current_user(analysis): |
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if not analysis.isSelfVerificationEnabled(): |
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return False |
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# Cannot verify if the user verified and multi verification is not allowed |
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if was_verified_by_current_user(analysis): |
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if not is_multi_verification_allowed(analysis): |
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return False |
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# Cannot verify if the user was last verifier and consecutive verification |
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# by same user is not allowed |
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if current_user_was_last_verifier(analysis): |
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if not is_consecutive_multi_verification_allowed(analysis): |
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return False |
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# Cannot verify unless all dependencies are verified or can be verified |
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for dependency in analysis.getDependencies(): |
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if not is_verified_or_verifiable(dependency): |
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return False |
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return True |
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def guard_verify(analysis): |
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"""Return whether the transition "verify" can be performed or not |
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""" |
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# Cannot verify if the number of remaining verifications is > 1 |
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remaining_verifications = analysis.getNumberOfRemainingVerifications() |
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if remaining_verifications > 1: |
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return False |
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# Cannot verify if the user submitted and self-verification is not allowed |
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if was_submitted_by_current_user(analysis): |
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if not analysis.isSelfVerificationEnabled(): |
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return False |
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# Cannot verify unless dependencies have been verified or can be verified |
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if analysis.getNumberOfRequiredVerifications() <= 1: |
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for dependency in analysis.getDependencies(): |
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if not is_verified_or_verifiable(dependency): |
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return False |
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return True |
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# This analysis has multi-verification enabled |
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# Cannot verify if the user verified and multi verification is not allowed |
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if was_verified_by_current_user(analysis): |
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if not is_multi_verification_allowed(analysis): |
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return False |
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# Cannot verify if the user was last verifier and consecutive verification |
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# by same user is not allowed |
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if current_user_was_last_verifier(analysis): |
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if not is_consecutive_multi_verification_allowed(analysis): |
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return False |
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# Cannot verify unless all dependencies are verified or can be verified |
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for dependency in analysis.getDependencies(): |
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if not is_verified_or_verifiable(dependency): |
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return False |
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return True |
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def guard_retract(analysis): |
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""" Return whether the transition "retract" can be performed or not |
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""" |
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# Cannot retract if there are dependents that cannot be retracted |
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if not is_transition_allowed(analysis.getDependents(), "retract"): |
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return False |
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dependencies = analysis.getDependencies() |
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if not dependencies: |
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return True |
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# Cannot retract if all dependencies have been verified |
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if all(map(lambda an: IVerified.providedBy(an), dependencies)): |
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return False |
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return True |
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def guard_retest(analysis, check_dependents=True): |
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"""Return whether the transition "retest" can be performed or not |
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""" |
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# Retest transition does an automatic verify transition, so the analysis |
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# should be verifiable first |
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if not is_transition_allowed(analysis, "verify"): |
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return False |
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# Cannot retest if there are dependents that cannot be retested |
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if not is_transition_allowed(analysis.getDependents(), "retest"): |
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return False |
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return True |
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def guard_reject(analysis): |
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"""Return whether the transition "reject" can be performed or not |
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""" |
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# Cannot reject if there are dependents that cannot be rejected |
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return is_transition_allowed(analysis.getDependents(), "reject") |
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def guard_publish(analysis): |
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"""Return whether the transition "publish" can be performed or not. Returns |
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True only when the Analysis Request the analysis belongs to is in published |
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state. Otherwise, returns False. |
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""" |
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return api.get_workflow_status_of(analysis.getRequest()) == "published" |
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def user_can_manage_worksheets(): |
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"""Return whether the current user has privileges to manage worksheets |
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""" |
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if not api.get_setup().getRestrictWorksheetManagement(): |
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# There is no restriction, everybody can manage worksheets |
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return True |
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# Only Labmanager and Manager roles can manage worksheets |
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return user_has_super_roles() |
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def user_has_super_roles(): |
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"""Return whether the current belongs to superuser roles |
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""" |
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member = api.get_current_user() |
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super_roles = ["LabManager", "Manager"] |
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diff = filter(lambda role: role in super_roles, member.getRoles()) |
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return len(diff) > 0 |
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def was_submitted_by_current_user(analysis): |
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"""Returns whether the analysis was submitted by current user or not |
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""" |
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return analysis.getSubmittedBy() == api.get_current_user().getId() |
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def was_verified_by_current_user(analysis): |
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"""Returns whether the analysis was verified by current user or not |
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""" |
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return api.get_current_user().getId() in analysis.getVerificators() |
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def current_user_was_last_verifier(analysis): |
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"""Returns whether the current user was the last verifier or not |
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""" |
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verifiers = analysis.getVerificators() |
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return verifiers and verifiers[:-1] == api.get_current_user().getId() |
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def is_consecutive_multi_verification_allowed(analysis): |
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"""Returns whether multiple verification and consecutive verification is |
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allowed or not""" |
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multi_type = api.get_setup().getTypeOfmultiVerification() |
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return multi_type != "self_multi_not_cons" |
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def is_multi_verification_allowed(analysis): |
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"""Returns whether multi verification is allowed or not |
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""" |
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multi_type = api.get_setup().getTypeOfmultiVerification() |
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return multi_type != "self_multi_disabled" |
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def is_transition_allowed(analyses, transition_id): |
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"""Returns whether all analyses can be transitioned or not |
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""" |
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if not analyses: |
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return True |
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if not isinstance(analyses, list): |
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return is_transition_allowed([analyses], transition_id) |
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for analysis in analyses: |
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if not cached_is_transition_allowed(analysis, transition_id): |
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return False |
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return True |
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def _transition_cache_key(fun, obj, action): |
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"""Cache key generator for the request cache |
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This function generates cache keys like this: |
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>>> from bika.lims import api |
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>>> from zope.annotation.interfaces import IAnnotations |
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>>> request = api.get_request() |
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>>> IAnnotations(request) |
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{'bika.lims.workflow.analysis.guards.check_analysis_allows_transition:3ff02762c70f4a56b1b30c1b74d32bf6-retract': True, |
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'bika.lims.workflow.analysis.guards.check_analysis_allows_transition:0390c16ddec14a04b87ff8408e2aa229-retract': True, |
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... |
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} |
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""" |
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return "%s-%s" % (api.get_uid(obj), action) |
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@cache(get_key=_transition_cache_key, get_request="analysis.REQUEST") |
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def cached_is_transition_allowed(analysis, transition_id): |
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"""Check if the transition is allowed for the given analysis and cache the |
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value on the request. |
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Note: The request is obtained by the given expression from the `locals()`, |
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which includes the given arguments. |
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""" |
366
|
|
|
logger.debug("cached_is_transition_allowed: analyis=%r transition=%s" |
367
|
|
|
% (analysis, transition_id)) |
368
|
|
|
if wf.isTransitionAllowed(analysis, transition_id): |
369
|
|
|
return True |
370
|
|
|
return False |
371
|
|
|
|
372
|
|
|
|
373
|
|
|
def is_submitted_or_submittable(analysis): |
374
|
|
|
"""Returns whether the analysis is submittable or has already been submitted |
375
|
|
|
""" |
376
|
|
|
if ISubmitted.providedBy(analysis): |
377
|
|
|
return True |
378
|
|
|
if is_transition_allowed(analysis, "submit"): |
379
|
|
|
return True |
380
|
|
|
return False |
381
|
|
|
|
382
|
|
|
|
383
|
|
|
def is_verified_or_verifiable(analysis): |
384
|
|
|
"""Returns whether the analysis is verifiable or has already been verified |
385
|
|
|
""" |
386
|
|
|
if IVerified.providedBy(analysis): |
387
|
|
|
return True |
388
|
|
|
if is_transition_allowed(analysis, "verify"): |
389
|
|
|
return True |
390
|
|
|
if is_transition_allowed(analysis, "multi_verify"): |
391
|
|
|
return True |
392
|
|
|
return False |
393
|
|
|
|