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size.rb
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size.rb
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# rubocop:todo all
module Mongoid
module Matcher
# In-memory matcher for $size expression.
#
# @see https://www.mongodb.com/docs/manual/reference/operator/query/size/
#
# @api private
module Size
# Returns whether a value satisfies a $size expression.
#
# @param [ true | false ] exists Not used.
# @param [ Numeric ] value The value to check.
# @param [ Integer | Array<Object> ] condition The $size condition
# predicate, either a non-negative Integer or an Array to match size.
#
# @return [ true | false ] Whether the value matches.
#
# @api private
module_function def matches?(exists, value, condition)
case condition
when Float
raise Errors::InvalidQuery, "$size argument must be a non-negative integer: #{Errors::InvalidQuery.truncate_expr(condition)}"
when Numeric
if condition < 0
raise Errors::InvalidQuery, "$size argument must be a non-negative integer: #{Errors::InvalidQuery.truncate_expr(condition)}"
end
else
raise Errors::InvalidQuery, "$size argument must be a non-negative integer: #{Errors::InvalidQuery.truncate_expr(condition)}"
end
if Array === value
value.length == condition
else
false
end
end
end
end
end