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Contents
module ForestLiana
class LineStatGetter
attr_accessor :record
def initialize(resource, params)
@resource = resource
@params = params
@populates = {}
end
def perform
value = @resource
@params[:filters].try(:each) do |filter|
operator, filter_value = OperatorValueParser.parse(filter[:value])
value = OperatorValueParser.add_where(value, filter[:field], operator,
filter_value)
end
value = value.send(time_range, @params[:group_by_date_field])
value = value.group(group_by_field || :id) if group_by_field
value = value.send(@params[:aggregate].downcase, @params[:aggregate_field])
.map do |k, v|
if k.kind_of?(Array)
{
label: k[0],
values: {
key: populate(k[1]),
value: v
}
}
else
{
label: k,
values: {
value: v
}
}
end
end
@record = Model::Stat.new(value: value)
end
private
def group_by_field
field_name = @params[:group_by_field]
association = @resource.reflect_on_association(field_name) if field_name
if association
association.foreign_key
else
field_name
end
end
def populate(id)
@populates[id] ||= begin
field_name = @params[:group_by_field]
association = @resource.reflect_on_association(field_name)
if association
association.klass.find(id)
else
id
end
end
end
def time_range
"group_by_#{@params[:time_range].try(:downcase) || 'month'}"
end
end
end
Version data entries
29 entries across 29 versions & 1 rubygems