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Contents
module DynamicScaffold
class ListBuilder
def initialize(config)
@config = config
@items = []
@sorter = nil
@order = []
@title = nil
@filter = nil
end
def pagination(options = nil)
@pagination = List::Pagination.new(options) unless options.nil?
@pagination
end
def page_param_name
pagination ? pagination.param_name : nil
end
def sorter(params = nil)
@sorter = params if params
@sorter
end
def item(*args, &block)
item = List::Item.new(@config, *args, block)
@items << item
item
end
def items
if @items.empty?
@config.model.column_names.each do |column|
@items << List::Item.new(@config, column, nil)
end
end
@items
end
def sorter_attribute
@sorter.keys.first
end
def sorter_direction
@sorter.values.first
end
def order(*args)
@order = args unless args.empty?
@order
end
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
def title?
@title.present?
end
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
def filter(&block)
@filter = block if block_given?
@filter
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems