Module: ActionTabler::Utilities

Included in:
Handler
Defined in:
lib/action_tabler/utilities.rb

Instance Method Summary collapse

Instance Method Details

#column_for_sql(name, model = nil) ⇒ Object

Returns a fully qualified column name for SQL statements



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# File 'lib/action_tabler/utilities.rb', line 15

def column_for_sql(name, model = nil)
  visit_attribute(name){|name, model| [model.arel_table.name, name].join(".")}
end

#exitisting_conditions(params) ⇒ Object

Existing search conditions if enabled



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# File 'lib/action_tabler/utilities.rb', line 5

def exitisting_conditions(params)
  params[@model.name.parameterize] if @pass_params
end

#searchable_columns ⇒ Object

List searchable columns



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# File 'lib/action_tabler/utilities.rb', line 10

def searchable_columns
  @columns.select{|column| column[:searchable] != false}
end

#visit_attribute(name, model = nil, &block) ⇒ Object

Helps work with fully qualified attributes, usually to generate SQL



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# File 'lib/action_tabler/utilities.rb', line 20

def visit_attribute(name, model = nil, &block)
  # Set the default model if not passed
  model ||= @model
  
  # We can really only do this if we have ActiveRecord or equivalent
  return nil unless model.respond_to?(:columns_hash)

  # Ensure we have a string
  name = name.to_s

  # Determine if we have a relation
  if name.include?(".")
    names = name.split(".")
    # Discover relation model
    reflection = model.reflect_on_association(names[0].to_sym)
    # Recurse with realtion model and name
    column_for_sql(name.gsub("#{names[0]}.", ""), reflection.klass)
  else
    block.call(name, model)
  end
end