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# -*- coding: utf-8 -*- |
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import collections |
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import six |
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from bika.lims import api |
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from bika.lims import senaiteMessageFactory as _ |
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from bika.lims.browser import BrowserView |
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from bika.lims.interfaces import IAnalysisRequest |
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from bika.lims.workflow import isTransitionAllowed |
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from Products.CMFCore.WorkflowCore import WorkflowException |
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from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile |
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from senaite.core import logger |
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class DispatchSamplesView(BrowserView): |
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"""Action URL for the sample "dispatch" transition |
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""" |
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template = ViewPageTemplateFile("templates/dispatch_samples.pt") |
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def __init__(self, context, request): |
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super(DispatchSamplesView, self).__init__(context, request) |
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self.context = context |
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self.request = request |
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self.portal = api.get_portal() |
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self.back_url = api.get_url(self.context) |
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def __call__(self): |
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form = self.request.form |
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# Form submit toggle |
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form_submitted = form.get("submitted", False) |
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form_dispatch = form.get("button_dispatch", False) |
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form_cancel = form.get("button_cancel", False) |
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# Handle book out |
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if form_submitted and form_dispatch: |
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logger.info("*** DISPATCH ***") |
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comment = form.get("comment", "") |
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if not comment: |
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return self.redirect( |
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redirect_url=self.request.getHeader("http_referer"), |
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message=_("Please specify a reason"), level="error") |
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samples = self.get_samples() |
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for sample in samples: |
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self.dispatch(sample, comment) |
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return self.redirect() |
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# Handle cancel |
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if form_submitted and form_cancel: |
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return self.redirect(message=_("Cancelled")) |
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return self.template() |
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def dispatch(self, sample, comment): |
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"""Dispatch the sample |
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""" |
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wf = api.get_tool("portal_workflow") |
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try: |
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wf.doActionFor(sample, "dispatch", comment=comment) |
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return True |
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except WorkflowException: |
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return False |
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def uniquify_items(self, items): |
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"""Uniquify the items with sort order |
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""" |
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unique = [] |
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for item in items: |
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if item in unique: |
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continue |
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unique.append(item) |
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return unique |
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def get_partitions(self, sample): |
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"""Return dispatchable sample partitions |
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""" |
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if not IAnalysisRequest.providedBy(sample): |
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return [] |
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partitions = sample.getDescendants(all_descendants=False) |
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return filter( |
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lambda part: isTransitionAllowed(part, "dispatch"), partitions) |
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def get_samples(self): |
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"""Extract the samples from the request UIDs |
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This might be either a samples container or a sample context |
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""" |
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# fetch objects from request |
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objs = self.get_objects_from_request() |
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samples = [] |
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for obj in objs: |
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# when coming from the samples listing |
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if IAnalysisRequest.providedBy(obj): |
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samples.append(obj) |
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samples.extend(self.get_partitions(obj)) |
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# when coming from the WF menu inside a sample |
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if IAnalysisRequest.providedBy(self.context): |
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samples.append(self.context) |
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samples.extend(self.get_partitions(self.context)) |
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return self.uniquify_items(samples) |
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def get_title(self, obj): |
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"""Return the object title as unicode |
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""" |
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title = api.get_title(obj) |
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return api.safe_unicode(title) |
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def get_samples_data(self): |
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"""Returns a list of containers that can be moved |
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""" |
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for obj in self.get_samples(): |
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obj = api.get_object(obj) |
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yield { |
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"obj": obj, |
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"id": api.get_id(obj), |
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"uid": api.get_uid(obj), |
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"title": self.get_title(obj), |
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"url": api.get_url(obj), |
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"sample_type": obj.getSampleTypeTitle(), |
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} |
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def get_objects_from_request(self): |
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"""Returns a list of objects coming from the "uids" request parameter |
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""" |
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unique_uids = self.get_uids_from_request() |
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return filter(None, map(self.get_object_by_uid, unique_uids)) |
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def get_uids_from_request(self): |
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"""Return a list of uids from the request |
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""" |
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uids = self.request.form.get("uids", "") |
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if isinstance(uids, six.string_types): |
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uids = uids.split(",") |
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unique_uids = collections.OrderedDict().fromkeys(uids).keys() |
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return filter(api.is_uid, unique_uids) |
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def get_object_by_uid(self, uid): |
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"""Get the object by UID |
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""" |
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logger.debug("get_object_by_uid::UID={}".format(uid)) |
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obj = api.get_object_by_uid(uid, None) |
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if obj is None: |
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logger.warn("!! No object found for UID #{} !!") |
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return obj |
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def redirect(self, redirect_url=None, message=None, level="info"): |
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"""Redirect with a message |
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""" |
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if redirect_url is None: |
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redirect_url = self.back_url |
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if message is not None: |
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self.add_status_message(message, level) |
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return self.request.response.redirect(redirect_url) |
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def add_status_message(self, message, level="info"): |
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"""Set a portal status message |
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""" |
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return self.context.plone_utils.addPortalMessage(message, level) |
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senaite /
senaite.core
