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Tweak default "numeric" grid filter, to ignore UPC-like values

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Those tend to cause SQL errors, so just "fail silently" for now.  This
situation needs to be improved on the front end at some point...
This commit is contained in:
Lance Edgar 2016-12-28 16:42:09 -06:00
parent f67fdb8c5b
commit 8f98d61a38
1 changed files with 42 additions and 6 deletions
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48
tailbone/newgrids/filters.py
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@ -366,12 +366,48 @@ class AlchemyNumericFilter(AlchemyGridFilter):
"""
value_renderer_factory = NumericValueRenderer
def default_verbs(self):
"""
Expose greater-than / less-than verbs in addition to core.
"""
return ['equal', 'not_equal', 'greater_than', 'greater_equal',
'less_than', 'less_equal', 'is_null', 'is_not_null']
# expose greater-than / less-than verbs in addition to core
default_verbs = ['equal', 'not_equal', 'greater_than', 'greater_equal',
'less_than', 'less_equal', 'is_null', 'is_not_null']
# TODO: what follows "works" in that it prevents an error...but from the
# user's perspective it still fails silently...need to improve on front-end
# try to detect (and ignore) common mistake where user enters UPC as search
# term for integer field...
def value_invalid(self, value):
return bool(value and len(value) > 8)
def filter_equal(self, query, value):
if self.value_invalid(value):
return query
return super(AlchemyNumericFilter, self).filter_equal(query, value)
def filter_not_equal(self, query, value):
if self.value_invalid(value):
return query
return super(AlchemyNumericFilter, self).filter_not_equal(query, value)
def filter_greater_than(self, query, value):
if self.value_invalid(value):
return query
return super(AlchemyNumericFilter, self).filter_greater_than(query, value)
def filter_greater_equal(self, query, value):
if self.value_invalid(value):
return query
return super(AlchemyNumericFilter, self).filter_greater_equal(query, value)
def filter_less_than(self, query, value):
if self.value_invalid(value):
return query
return super(AlchemyNumericFilter, self).filter_less_than(query, value)
def filter_less_equal(self, query, value):
if self.value_invalid(value):
return query
return super(AlchemyNumericFilter, self).filter_less_equal(query, value)
class AlchemyBooleanFilter(AlchemyGridFilter):