|
| 1 | +# Root and base type expression checker functions |
| 2 | +import ExceptionMessages |
| 3 | +import datetime |
| 4 | +import uuid |
| 5 | +import re |
| 6 | +from LookUpData import LookUpData |
| 7 | + |
| 8 | + |
| 9 | +# -------------------------------------------------------------------------------------------------------- |
| 10 | +# record exception capture |
| 11 | +class RecordError(Exception): |
| 12 | + |
| 13 | + def __init__(self, code=None, message=None, details=None): |
| 14 | + self.code = code |
| 15 | + self.message = message |
| 16 | + self.details = details |
| 17 | + |
| 18 | + def __str__(self): |
| 19 | + return repr((self.code, self.message, self.details)) |
| 20 | + |
| 21 | + def __repr__(self): |
| 22 | + return repr((self.code, self.message, self.details)) |
| 23 | + |
| 24 | + |
| 25 | +# --------------------------------------------------------------------------------------------------------- |
| 26 | +# main conversion checker |
| 27 | +class ConversionChecker: |
| 28 | + # checker settings |
| 29 | + summarise = False |
| 30 | + report_unexpected_exception = True |
| 31 | + dataParser = any |
| 32 | + dataLookUp = any |
| 33 | + |
| 34 | + def __init__(self, dataParser, summarise, report_unexpected_exception): |
| 35 | + self.dataParser = dataParser # FHIR data parser for additional functions |
| 36 | + self.dataLookUp = LookUpData() # used for generic look up |
| 37 | + self.summarise = summarise # instance attribute |
| 38 | + self.report_unexpected_exception = report_unexpected_exception # instance attribute |
| 39 | + |
| 40 | + # exposed functions |
| 41 | + def convertData(self, expressionType, expressionRule, fieldName, fieldValue): |
| 42 | + match expressionType: |
| 43 | + case "DATECONVERT": |
| 44 | + return self._convertToDate( |
| 45 | + expressionRule, fieldName, fieldValue, self.summarise, self.report_unexpected_exception |
| 46 | + ) |
| 47 | + case "NOTEMPTY": |
| 48 | + return self._convertToNotEmpty( |
| 49 | + expressionRule, fieldName, fieldValue, self.summarise, self.report_unexpected_exception |
| 50 | + ) |
| 51 | + case "GENDER": |
| 52 | + return self._convertToGender( |
| 53 | + expressionRule, fieldName, fieldValue, self.summarise, self.report_unexpected_exception |
| 54 | + ) |
| 55 | + case "NHSNUMBER": |
| 56 | + return self._convertToNHSNumber( |
| 57 | + expressionRule, fieldName, fieldValue, self.summarise, self.report_unexpected_exception |
| 58 | + ) |
| 59 | + case "CHANGETO": |
| 60 | + return self._convertToChangeTo( |
| 61 | + expressionRule, fieldName, fieldValue, self.summarise, self.report_unexpected_exception |
| 62 | + ) |
| 63 | + case "LOOKUP": |
| 64 | + return self._convertToLookUp( |
| 65 | + expressionRule, fieldName, fieldValue, self.summarise, self.report_unexpected_exception |
| 66 | + ) |
| 67 | + case "DEFAULT": |
| 68 | + return self._convertToDefaultTo( |
| 69 | + expressionRule, fieldName, fieldValue, self.summarise, self.report_unexpected_exception |
| 70 | + ) |
| 71 | + case "ONLYIF": |
| 72 | + return self._convertToOnlyIfTo( |
| 73 | + expressionRule, fieldName, fieldValue, self.summarise, self.report_unexpected_exception |
| 74 | + ) |
| 75 | + case _: |
| 76 | + return "Schema expression not found! Check your expression type : " + expressionType |
| 77 | + |
| 78 | + # iso8086 date time validate |
| 79 | + def _convertToDate(self, expressionRule, fieldName, fieldValue, summarise, report_unexpected_exception): |
| 80 | + try: |
| 81 | + convertDate = datetime.datetime.fromisoformat(fieldValue) |
| 82 | + return convertDate.strftime(expressionRule) |
| 83 | + except Exception as e: |
| 84 | + if report_unexpected_exception: |
| 85 | + message = ExceptionMessages.MESSAGES[ExceptionMessages.UNEXPECTED_EXCEPTION] % (e.__class__.__name__, e) |
| 86 | + return message |
| 87 | + |
| 88 | + # Not Empty Validate |
| 89 | + def _convertToNotEmpty(self, expressionRule, fieldName, fieldValue, summarise, report_unexpected_exception): |
| 90 | + try: |
| 91 | + if len(str(fieldValue)) > 0: |
| 92 | + return fieldValue |
| 93 | + return "" |
| 94 | + except Exception as e: |
| 95 | + if report_unexpected_exception: |
| 96 | + message = ExceptionMessages.MESSAGES[ExceptionMessages.UNEXPECTED_EXCEPTION] % (e.__class__.__name__, e) |
| 97 | + return message |
| 98 | + |
| 99 | + # NHSNumber Validate |
| 100 | + def _convertToNHSNumber(self, expressionRule, fieldName, fieldValue, summarise, report_unexpected_exception): |
| 101 | + try: |
| 102 | + regexRule = "^6[0-9]{10}$" |
| 103 | + result = re.search(regexRule, fieldValue) |
| 104 | + if not result: |
| 105 | + raise RecordError( |
| 106 | + ExceptionMessages.RECORD_CHECK_FAILED, |
| 107 | + "NHS Number check failed", |
| 108 | + "NHS Number does not meet regex rules, data- " + fieldValue, |
| 109 | + ) |
| 110 | + except Exception as e: |
| 111 | + if report_unexpected_exception: |
| 112 | + message = ExceptionMessages.MESSAGES[ExceptionMessages.UNEXPECTED_EXCEPTION] % (e.__class__.__name__, e) |
| 113 | + return message |
| 114 | + |
| 115 | + # Gender Validate |
| 116 | + def _convertToGender(self, expressionRule, fieldName, fieldValue, summarise, report_unexpected_exception): |
| 117 | + try: |
| 118 | + genderlist = {"male": "1", "female": "2", "other": "9", "unknown": "0"} |
| 119 | + genderNumber = genderlist[fieldValue] |
| 120 | + return genderNumber |
| 121 | + except Exception as e: |
| 122 | + if report_unexpected_exception: |
| 123 | + message = ExceptionMessages.MESSAGES[ExceptionMessages.UNEXPECTED_EXCEPTION] % (e.__class__.__name__, e) |
| 124 | + return message |
| 125 | + |
| 126 | + # Change to Validate |
| 127 | + def _convertToChangeTo(self, expressionRule, fieldName, fieldValue, summarise, report_unexpected_exception): |
| 128 | + try: |
| 129 | + return expressionRule |
| 130 | + except Exception as e: |
| 131 | + if report_unexpected_exception: |
| 132 | + message = ExceptionMessages.MESSAGES[ExceptionMessages.UNEXPECTED_EXCEPTION] % (e.__class__.__name__, e) |
| 133 | + return message |
| 134 | + |
| 135 | + # Change to Lookup |
| 136 | + def _convertToLookUp(self, expressionRule, fieldName, fieldValue, summarise, report_unexpected_exception): |
| 137 | + try: |
| 138 | + if fieldValue != "": |
| 139 | + return fieldValue |
| 140 | + try: |
| 141 | + lookUpValue = self.dataParser.getKeyValue(expressionRule) |
| 142 | + IdentifiedLookup = self.dataLookUp.findLookUp(lookUpValue[0]) |
| 143 | + return IdentifiedLookup |
| 144 | + except: |
| 145 | + return "" |
| 146 | + except Exception as e: |
| 147 | + if report_unexpected_exception: |
| 148 | + message = ExceptionMessages.MESSAGES[ExceptionMessages.UNEXPECTED_EXCEPTION] % (e.__class__.__name__, e) |
| 149 | + return message |
| 150 | + |
| 151 | + # Default to Validate |
| 152 | + def _convertToDefaultTo(self, expressionRule, fieldName, fieldValue, summarise, report_unexpected_exception): |
| 153 | + try: |
| 154 | + if fieldValue == "": |
| 155 | + return expressionRule |
| 156 | + return fieldValue |
| 157 | + except Exception as e: |
| 158 | + if report_unexpected_exception: |
| 159 | + message = ExceptionMessages.MESSAGES[ExceptionMessages.UNEXPECTED_EXCEPTION] % (e.__class__.__name__, e) |
| 160 | + return message |
| 161 | + |
| 162 | + # Default to Validate |
| 163 | + def _convertToOnlyIfTo(self, expressionRule, fieldName, fieldValue, summarise, report_unexpected_exception): |
| 164 | + try: |
| 165 | + conversionList = expressionRule.split("|") |
| 166 | + location = conversionList[0] |
| 167 | + valueCheck = conversionList[1] |
| 168 | + dataValue = self.dataParser.getKeyValue(location) |
| 169 | + |
| 170 | + if dataValue[0] != valueCheck: |
| 171 | + return "" |
| 172 | + |
| 173 | + return fieldValue |
| 174 | + except Exception as e: |
| 175 | + if report_unexpected_exception: |
| 176 | + message = ExceptionMessages.MESSAGES[ExceptionMessages.UNEXPECTED_EXCEPTION] % (e.__class__.__name__, e) |
| 177 | + return message |
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