55 lines
1.3 KiB
Ruby
55 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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# Concern for querying columns with specific case sensitivity handling.
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module CaseSensitivity
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extend ActiveSupport::Concern
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class_methods do
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# Queries the given columns regardless of the casing used.
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#
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# Unlike other ActiveRecord methods this method only operates on a Hash.
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def iwhere(params)
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criteria = self
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params.each do |key, value|
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criteria = case value
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when Array
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criteria.where(value_in(key, value))
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else
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criteria.where(value_equal(key, value))
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end
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end
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criteria
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end
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private
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def value_equal(column, value)
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lower_value = lower_value(value)
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lower_column(arel_table[column]).eq(lower_value).to_sql
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end
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def value_in(column, values)
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lower_values = values.map do |value|
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lower_value(value)
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end
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lower_column(arel_table[column]).in(lower_values).to_sql
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end
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def lower_value(value)
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return value if Gitlab::Database.mysql?
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Arel::Nodes::NamedFunction.new('LOWER', [Arel::Nodes.build_quoted(value)])
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end
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def lower_column(column)
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return column if Gitlab::Database.mysql?
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column.lower
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end
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end
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end
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