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Versions: 28
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Contents
module ForestLiana
class HasManyGetter
def initialize(resource, association, params)
@resource = resource
@association = association
@params = params
end
def perform
@records = @resource
.unscoped
.find(@params[:id])
.send(@params[:association_name])
@records = sort_query
end
def records
@records.limit(limit).offset(offset)
end
def count
@records.to_a.length
end
private
def association_table_name
@resource.reflect_on_association(@params[:association_name])
.try(:table_name)
end
def offset
return 0 unless pagination?
number = @params[:page][:number]
if number && number.to_i > 0
(number.to_i - 1) * limit
else
0
end
end
def limit
return 10 unless pagination?
if @params[:page][:size]
@params[:page][:size].to_i
else
10
end
end
def pagination?
@params[:page] && @params[:page][:number]
end
def sort_query
if @params[:sort]
field = @params[:sort]
order = detect_sort_order(field)
field.slice!(0) if order == :desc
@records = @records
.order("#{association_table_name}.#{field} #{order.upcase}")
else
@records
end
end
def detect_sort_order(field)
return (if field[0] == '-' then :desc else :asc end)
end
end
end
Version data entries
28 entries across 28 versions & 1 rubygems