106 lines
2.4 KiB
Ruby
106 lines
2.4 KiB
Ruby
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# frozen_string_literal: true
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class Columns::ChampColumn < Column
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attr_reader :stable_id
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def initialize(procedure_id:, label:, stable_id:, displayable: true, filterable: true, type: :text, value_column: :value)
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@stable_id = stable_id
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super(
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procedure_id:,
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table: 'type_de_champ',
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column: stable_id.to_s,
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label:,
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type:,
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value_column:,
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displayable:,
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filterable:
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)
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end
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def value(champ)
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return if champ.nil?
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value = typed_value(champ)
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if default_column?
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cast_value(value, from_type: champ.last_write_column_type, to_type: type)
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else
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value
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end
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end
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private
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def column_id = "type_de_champ/#{stable_id}"
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def typed_value(champ)
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value = string_value(champ)
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parse_value(value, type: champ.last_write_column_type)
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end
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def string_value(champ) = champ.public_send(value_column)
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def default_column? = value_column.in?([:value, :external_id])
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def parse_value(value, type:)
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return if value.blank?
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case type
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when :boolean
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parse_boolean(value)
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when :integer
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value.to_i
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when :decimal
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value.to_f
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when :datetime
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parse_datetime(value)
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when :date
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parse_datetime(value)&.to_date
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when :enums
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parse_enums(value)
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else
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value
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end
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end
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def cast_value(value, from_type:, to_type:)
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return if value.blank?
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return value if from_type == to_type
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case [from_type, to_type]
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when [:integer, :decimal] # recast numbers automatically
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value.to_f
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when [:decimal, :integer] # may lose some data, but who cares ?
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value.to_i
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when [:integer, :text], [:decimal, :text] # number to text
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value.to_s
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when [:enum, :enums] # single list can become multi
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[value]
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when [:enum, :text] # single list can become text
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value
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when [:enums, :enum] # multi list can become single list
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value.first
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when [:enums, :text] # multi list can become text
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value.join(', ')
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when [:date, :datetime] # date <=> datetime
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value.to_datetime
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when [:datetime, :date] # may lose some data, but who cares ?
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value.to_date
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else
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nil
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end
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end
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def parse_boolean(value)
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case value
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when 'true', 'on', '1'
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true
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when 'false'
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false
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end
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end
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def parse_enums(value) = JSON.parse(value) rescue nil
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def parse_datetime(value) = Time.zone.parse(value) rescue nil
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end
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