| 1 |  |  | # -*- coding: utf-8 -*- | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | from AccessControl import Unauthorized | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | from bika.lims import api | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | from bika.lims.interfaces import IAnalysisRequest | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | from bika.lims.interfaces import IBatchBookView | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | from Products.Archetypes.utils import mapply | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | from senaite.core import logger | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | from senaite.core.datamanagers import DataManager | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | from zope.component import adapter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | @adapter(IAnalysisRequest) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | class SampleDataManager(DataManager): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     """Data Manager for Samples | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |     """ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     @property | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     def fields(self): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |         return api.get_fields(self.context) | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 22 |  |  |     def is_field_readable(self, field): | 
            
                                                                        
                            
            
                                    
            
            
                | 23 |  |  |         """Checks if the field is readable | 
            
                                                                        
                            
            
                                    
            
            
                | 24 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 25 |  |  |         return field.checkPermission("get", self.context) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     def is_field_writeable(self, field): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |         """Checks if the field is writeable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |         """ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |         return field.checkPermission("set", self.context) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     def get_field_by_name(self, name): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |         """Get the field by name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |         """ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |         field = self.fields.get(name) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |         # try to fetch the field w/o the `get` prefix | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |         # this might be the case is some listings | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |         if field is None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |             # ensure we do not have the field setter as column | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |             name = name.split("get", 1)[-1] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |             field = self.fields.get(name) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |         return field | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     def get(self, name): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |         """Get sample field | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |         """ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |         # get the schema field | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |         field = self.get_field_by_name(name) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         # check if the field exists | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |         if field is None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |             raise AttributeError("Field '{}' not found".format(name)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         # Check the permission of the field | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |         if not self.is_field_readable(field): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |             raise Unauthorized("Field '{}' not readable!".format(name)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         # return the value with the field accessor | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |         if hasattr(field, "getAccessor"): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |             accessor = field.getAccessor(self.context) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |             return accessor() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |         else: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |             # Set the value on the field directly | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |             return field.get(self.context) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |     def set_analysis_result(self, name, value): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |         """Handle Batchbook Results | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |         :param name: ID of the contained analysis | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |         :param value: Result of the Analysis | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |         :returns: True if the result was set, otherwise False | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |         """ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |         analysis = self.get_analysis_by_id(name) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |         if not analysis: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |             logger.error("Analysis '{}' not found".format(name)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |             return False | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |         fields = api.get_fields(analysis) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         field = fields.get("Result") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |         # Check the permission of the field | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         if not self.is_field_writeable(field): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |             logger.error("Field '{}' not writeable!".format(name)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |             return False | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |         # set the analysis result with the mutator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |         analysis.setResult(value) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |         analysis.reindexObject() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |         return True | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     def get_analysis_by_id(self, name): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |         """Get the analysis by ID | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |         """ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |         return self.context.get(name) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |     def is_request_from_batchbook(self): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |         """Checks if the request is coming from the batchbook | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |         If this is the case, the `name` does not refer to a field, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |         but to an analysis and the `value` is always the result. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |         :returns: True if the request was sent from the batchbook | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |         """ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |         req = api.get_request() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |         view = req.PARENTS[0] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |         return IBatchBookView.providedBy(view) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     def set(self, name, value): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |         """Set sample field or analysis result | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |         """ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |         # set of updated objects | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |         updated_objects = set() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |         # handle batchbook results set | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |         if self.is_request_from_batchbook(): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |             success = self.set_analysis_result(name, value) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |             if not success: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |                 raise ValueError( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |                     "Failed to set analysis result for '%s'" % name) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |             return [self.context] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |         # get the schema field | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |         field = self.get_field_by_name(name) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |         if field is None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |             raise AttributeError("Field '{}' not found".format(name)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |         # Check the permission of the field | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |         if not self.is_field_writeable(field): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |             logger.error("Field '{}' not writeable!".format(name)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |             return [] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |         # get the field mutator (works only for AT content types) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |         if hasattr(field, "getMutator"): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |             mutator = field.getMutator(self.context) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |             mapply(mutator, value) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |         else: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |             # Set the value on the field directly | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |             field.set(self.context, value) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |         updated_objects.add(self.context) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |         # return a unified list of the updated objects | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 145 |  |  |         return list(updated_objects) | 
            
                                                        
            
                                    
            
            
                | 146 |  |  |  |