Class: DynamicScaffold::ListBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/dynamic_scaffold/list_builder.rb

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ ListBuilder

Returns a new instance of ListBuilder.



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# File 'lib/dynamic_scaffold/list_builder.rb', line 3

def initialize(config)
  @config = config
  @items = []
  @sorter = nil
  @order = []
  @title = nil
  @filter = nil
end

Instance Method Details

#build_sql(scope_params) ⇒ Object 



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# File 'lib/dynamic_scaffold/list_builder.rb', line 73

def build_sql(scope_params)
  sql = @config.model.all
  sql = sql.where scope_params
  ret = @config.controller.instance_exec(sql, &@filter) unless @filter.nil?
  sql = ret unless ret.nil?
  unless sql.is_a? ::ActiveRecord::Relation
    raise(
      Error::InvalidOperation,
      'You must return ActiveRecord::Relation from filter block'
    )
  end
  sql
end

#filter(&block) ⇒ Object 



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# File 'lib/dynamic_scaffold/list_builder.rb', line 87

def filter(&block)
  @filter = block if block_given?
  @filter
end

#item(*args, &block) ⇒ Object 



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# File 'lib/dynamic_scaffold/list_builder.rb', line 27

def item(*args, &block)
  item = List::Item.new(@config, *args, block)
  @items << item
  item
end

#items ⇒ Object 



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# File 'lib/dynamic_scaffold/list_builder.rb', line 33

def items
  if @items.empty?
    @config.model.column_names.each do |column|
      @items << List::Item.new(@config, column, nil)
    end
  end
  @items
end

#order(*args) ⇒ Object 



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# File 'lib/dynamic_scaffold/list_builder.rb', line 50

def order(*args)
  @order = args unless args.empty?
  @order
end

#page_param_name ⇒ Object 



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# File 'lib/dynamic_scaffold/list_builder.rb', line 18

def page_param_name
  pagination ? pagination.param_name : nil
end

#pagination(options = nil) ⇒ Object 



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# File 'lib/dynamic_scaffold/list_builder.rb', line 12

def pagination(options = nil)
  @pagination = List::Pagination.new(options) unless options.nil?

  @pagination
end

#sorter(params = nil) ⇒ Object 



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# File 'lib/dynamic_scaffold/list_builder.rb', line 22

def sorter(params = nil)
  @sorter = params if params
  @sorter
end

#sorter_attribute ⇒ Object 



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# File 'lib/dynamic_scaffold/list_builder.rb', line 42

def sorter_attribute
  @sorter.keys.first
end

#sorter_direction ⇒ Object 



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# File 'lib/dynamic_scaffold/list_builder.rb', line 46

def sorter_direction
  @sorter.values.first
end

#title(*args, &block) ⇒ Object 



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# File 'lib/dynamic_scaffold/list_builder.rb', line 55

def title(*args, &block)
  if args[0].is_a?(Symbol) || args[0].is_a?(String) || block_given?
    @title = {
      column_name: args[0],
      block: block
    }
  else
    record = args[0]
    return @config.controller.view_context.instance_exec(record, &@title[:block]) if @title[:block]

    record.public_send(@title[:column_name])
  end
end

#title? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dynamic_scaffold/list_builder.rb', line 69

def title?
  @title.present?
end