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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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# Copyright 2018 by it's authors. |
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# Some rights reserved. See LICENSE.rst, CONTRIBUTORS.rst. |
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from bika.lims import api |
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from bika.lims.workflow import isTransitionAllowed |
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from bika.lims.workflow import wasTransitionPerformed |
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def _children_are_ready(obj, transition_id, dettached_states=None): |
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"""Returns true if the children of the object passed in (worksheet) have |
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been all transitioned in accordance with the 'transition_id' passed in. If |
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detached_states is provided, children with those states are dismissed, so |
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they will not be taken into account in the evaluation. Nevertheless, at |
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least one child with for which the transition_id performed is required for |
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this function to return true (if all children are in detached states, it |
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always return False). |
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""" |
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detached_count = 0 |
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analyses = obj.getAnalyses() |
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for analysis in analyses: |
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if dettached_states: |
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if api.get_review_status(analysis) in dettached_states: |
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detached_count += 1 |
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continue |
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if not api.is_active(analysis): |
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return False |
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if not wasTransitionPerformed(analysis, transition_id): |
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return False |
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if detached_count == len(analyses): |
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# If all analyses are in a detached state, it means that the |
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# condition of at least having one child for which the |
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# transition is performed is not satisfied so return False |
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return False |
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return True |
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def guard_submit(obj): |
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"""Returns if 'submit' transition can be applied to the worksheet passed in. |
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By default, the target state for the 'submit' transition for a worksheet is |
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'to_be_verified', so this guard returns true if all the analyses assigned |
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to the worksheet have already been submitted. Those analyses that are in a |
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non-valid state (cancelled, inactive) are dismissed in the evaluation, but |
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at least one analysis must be in an active state (and submitted) for this |
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guard to return True. Otherwise, always returns False. |
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Note this guard depends entirely on the current status of the children. |
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""" |
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detached = ['rejected', 'retracted'] |
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return _children_are_ready(obj, 'submit', dettached_states=detached) |
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def guard_retract(worksheet): |
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"""Return whether the transition retract can be performed or not to the |
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worksheet passed in. Since the retract transition from worksheet is a |
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shortcut to retract transitions from all analyses the worksheet contains, |
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this guard only returns True if retract transition is allowed for all |
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analyses the worksheet contains |
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""" |
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analyses = worksheet.getAnalyses() |
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detached = ['rejected', 'retracted'] |
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num_detached = 0 |
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for analysis in analyses: |
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if api.get_workflow_status_of(analysis) in detached: |
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num_detached += 1 |
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elif not isTransitionAllowed(analysis, "retract"): |
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return False |
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return analyses and num_detached < len(analyses) or False |
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def guard_verify(obj): |
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"""Returns True if 'verify' transition can be applied to the Worksheet |
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passed in. This is, returns true if all the analyses assigned |
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have already been verified. Those analyses that are in an inactive state |
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(cancelled, inactive) are dismissed, but at least one analysis must be in |
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an active state (and verified), otherwise always return False. |
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Note this guard depends entirely on the current status of the children |
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:returns: true or false |
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""" |
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dettached = ['rejected', 'retracted'] |
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return _children_are_ready(obj, 'verify', dettached_states=dettached) |
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def guard_rollback_to_open(worksheet): |
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"""Return whether 'rollback_to_receive' transition can be performed or not |
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""" |
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for analysis in worksheet.getAnalyses(): |
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if api.get_review_status(analysis) in ["assigned"]: |
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return True |
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return False |
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def guard_remove(worksheet): |
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"""Return whether the workflow can be removed. Returns true if the worksheet |
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does not contain any analysis |
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""" |
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if worksheet.getAnalyses(): |
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return False |
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return True |
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senaite /
senaite.core
