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# -*- coding: utf-8 -*- |
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from AccessControl import Unauthorized |
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from bika.lims import api |
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from bika.lims.interfaces import IReferenceAnalysis |
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from bika.lims.interfaces import IRoutineAnalysis |
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from Products.Archetypes.utils import mapply |
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from senaite.core import logger |
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from senaite.core.datamanagers import DataManager |
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from zope.component import adapter |
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@adapter(IRoutineAnalysis) |
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class RoutineAnalysisDataManager(DataManager): |
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"""Data Manager for Routine Analyses |
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""" |
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@property |
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def fields(self): |
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return api.get_fields(self.context) |
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def is_field_readable(self, field): |
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"""Checks if the field is readable |
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""" |
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return field.checkPermission("get", self.context) |
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def is_field_writeable(self, field): |
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"""Checks if the field is writeable |
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""" |
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return field.checkPermission("set", self.context) |
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View Code Duplication |
def get(self, name): |
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"""Get analysis field |
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""" |
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# schema field |
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field = self.fields.get(name) |
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# check if the field exists |
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if field is None: |
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raise AttributeError("Field '{}' not found".format(name)) |
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# Check the permission of the field |
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if not self.is_field_readable(field): |
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raise Unauthorized("Field '{}' not readable!".format(name)) |
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# return the value with the field accessor |
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if hasattr(field, "getAccessor"): |
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accessor = field.getAccessor(self.context) |
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return accessor() |
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else: |
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# Set the value on the field directly |
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return field.get(self.context) |
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def set(self, name, value): |
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"""Set analysis field/interim value |
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""" |
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# set of updated objects |
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updated_objects = set() |
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# schema field |
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field = self.fields.get(name) |
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# interims |
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interims = self.context.getInterimFields() |
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interim_keys = map(lambda i: i.get("keyword"), interims) |
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# schema field found |
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if field: |
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# Check the permission of the field |
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if not self.is_field_writeable(field): |
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logger.error("Field '{}' not writeable!".format(name)) |
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return [] |
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# get the field mutator (works only for AT content types) |
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if hasattr(field, "getMutator"): |
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mutator = field.getMutator(self.context) |
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mapply(mutator, value) |
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else: |
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# Set the value on the field directly |
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field.set(self.context, value) |
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updated_objects.add(self.context) |
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# interim key found |
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elif name in interim_keys: |
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# Check the permission of the field |
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interim_field = self.fields.get("InterimFields") |
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if not self.is_field_writeable(interim_field): |
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logger.error("Interim field '{}' not writeable!".format(name)) |
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return [] |
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for interim in interims: |
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if interim.get("keyword") == name: |
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interim["value"] = value |
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self.context.setInterimFields(interims) |
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# recalculate dependent results for result and interim fields |
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if name == "Result" or name in interim_keys: |
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updated_objects.add(self.context) |
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updated_objects.update(self.recalculate_results(self.context)) |
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# return a unified list of the updated objects |
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return list(updated_objects) |
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def recalculate_results(self, obj, recalculated=None): |
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"""Recalculate the result of the object and its dependents |
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:returns: List of recalculated objects |
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""" |
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if recalculated is None: |
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recalculated = set() |
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# avoid double recalculation in recursion |
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if obj in recalculated: |
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return set() |
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# recalculate own result |
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if obj.calculateResult(override=True): |
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# append object to the list of recalculated results |
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recalculated.add(obj) |
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# recalculate dependent analyses |
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for dep in obj.getDependents(): |
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if dep.calculateResult(override=True): |
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# TODO the `calculateResult` method should return False here! |
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if dep.getResult() in ["NA", "0/0"]: |
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continue |
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recalculated.add(dep) |
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# recalculate dependents of dependents |
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for ddep in dep.getDependents(): |
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recalculated.update( |
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self.recalculate_results( |
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ddep, recalculated=recalculated)) |
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return recalculated |
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@adapter(IReferenceAnalysis) |
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class ReferenceAnalysisDataManager(RoutineAnalysisDataManager): |
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"""Data Manager for Reference Analyses |
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""" |
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senaite /
senaite.core
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