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Add more operators to rule engine #89

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Add more operators to rule engine #89

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12 changes: 12 additions & 0 deletions business_rules/operators.py
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,10 @@ def ends_with(self, other_string):
def contains(self, other_string):
return other_string in self.value

@type_operator(FIELD_TEXT, label="Contains (case insensitive)")
def contains_case_insensitive(self, other_string):
return other_string.lower() in self.value.lower()

@type_operator(FIELD_TEXT)
def matches_regex(self, regex):
return re.search(regex, self.value)
Expand All @@ -95,6 +99,10 @@ def matches_regex(self, regex):
def non_empty(self):
return bool(self.value)

@type_operator(FIELD_NO_INPUT)
def is_empty(self):
return self.value is None or self.value.strip() == ""


@export_type
class NumericType(BaseType):
Expand All @@ -119,6 +127,10 @@ def _assert_valid_value_and_cast(value):
def equal_to(self, other_numeric):
return abs(self.value - other_numeric) <= self.EPSILON

@type_operator(FIELD_NUMERIC)
def not_equal_to(self, other_numeric):
return abs(self.value - other_numeric) > self.EPSILON

@type_operator(FIELD_NUMERIC)
def greater_than(self, other_numeric):
return (self.value - other_numeric) > self.EPSILON
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