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Versions: 11
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Contents
# frozen_string_literal: true
module PaperTrail
module Serializers
# An alternate serializer for, e.g. `versions.object`.
module JSON
extend self # makes all instance methods become module methods as well
def load(string)
ActiveSupport::JSON.decode string
end
def dump(object)
ActiveSupport::JSON.encode object
end
# Returns a SQL LIKE condition to be used to match the given field and
# value in the serialized object.
def where_object_condition(arel_field, field, value)
# Convert to JSON to handle strings and nulls correctly.
json_value = value.to_json
# If the value is a number, we need to ensure that we find the next
# character too, which is either `,` or `}`, to ensure that searching
# for the value 12 doesn't yield false positives when the value is
# 123.
if value.is_a? Numeric
arel_field.matches("%\"#{field}\":#{json_value},%").
or(arel_field.matches("%\"#{field}\":#{json_value}}%"))
else
arel_field.matches("%\"#{field}\":#{json_value}%")
end
end
end
end
end
Version data entries
11 entries across 11 versions & 3 rubygems