Class: PartialKs::FilteredTable

Inherits:
Object
  • Object
show all
Defined in:
lib/partial_ks/filtered_table.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(table, parent_model, custom_filter_relation: nil) ⇒ FilteredTable

Returns a new instance of FilteredTable.



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# File 'lib/partial_ks/filtered_table.rb', line 5

def initialize(table, parent_model, custom_filter_relation: nil)
  @table = table
  @parent_model = parent_model
  @custom_filter_relation = custom_filter_relation
end

Instance Attribute Details

#custom_filter_relation ⇒ Object (readonly)

Returns the value of attribute custom_filter_relation.



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# File 'lib/partial_ks/filtered_table.rb', line 2

def custom_filter_relation
  @custom_filter_relation
end

#parent_model ⇒ Object (readonly)

Returns the value of attribute parent_model.



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# File 'lib/partial_ks/filtered_table.rb', line 2

def parent_model
  @parent_model
end

#table ⇒ Object (readonly)

Returns the value of attribute table.



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# File 'lib/partial_ks/filtered_table.rb', line 2

def table
  @table
end

Instance Method Details

#kitchen_sync_filter ⇒ Object 



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# File 'lib/partial_ks/filtered_table.rb', line 11

def kitchen_sync_filter
  filter_condition = custom_filter_relation || parent_model

  if !filter_condition.nil?
    if filter_condition.is_a?(ActiveRecord::Relation) || filter_condition.respond_to?(:where_sql)
      only_filter = filter_condition.where_sql.to_s.sub("WHERE", "")
    elsif filter_condition.is_a?(String)
      only_filter = filter_condition
    else
      # this only supports parents where it's a belongs_to
      # TODO we can make it work with has_many
      # e.g. SomeModel.reflect_on_association(:elses)
      association = table.model.reflect_on_all_associations(:belongs_to).find {|assoc| assoc.class_name == filter_condition.name}
      raise "#{filter_condition.name} not found in #{table.model.name} associations" if association.nil?

      only_filter = "#{association.foreign_key} IN (#{[0, *filter_condition.pluck(:id)].join(',')})"
    end

    {"only" => only_filter}
  end
end