before_filter :catch_redirect_hint
before_filter :load_where_param, :only => :index
+ before_filter :load_filters_param, :only => :index
before_filter :find_objects_for_index, :only => :index
before_filter :find_object_by_uuid, :except => [:index, :create,
:render_error,
@where = params[:where]
elsif params[:where].is_a? String
begin
- @where = Oj.load(params[:where], symbol_keys: true)
+ @where = Oj.load(params[:where])
+ raise unless @where.is_a? Hash
rescue
raise ArgumentError.new("Could not parse \"where\" param as an object")
end
end
+ @where = @where.with_indifferent_access
+ end
+
+ def load_filters_param
+ if params[:filters].is_a? Array
+ @filters = params[:filters]
+ elsif params[:filters].is_a? String
+ begin
+ @filters = Oj.load params[:filters]
+ raise unless @filters.is_a? Array
+ rescue
+ raise ArgumentError.new("Could not parse \"filters\" param as an array")
+ end
+ end
end
def find_objects_for_index
@objects ||= model_class.readable_by(current_user)
- if !@where.empty?
+ apply_where_limit_order_params
+ end
+
+ def apply_where_limit_order_params
+ if @filters.is_a? Array and @filters.any?
+ cond_out = []
+ param_out = []
+ @filters.each do |attr, operator, operand|
+ if !model_class.searchable_columns.index attr.to_s
+ raise ArgumentError.new("Invalid attribute '#{attr}' in condition")
+ end
+ case operator.downcase
+ when '=', '<', '<=', '>', '>=', 'like'
+ if operand.is_a? String
+ cond_out << "#{table_name}.#{attr} #{operator} ?"
+ if operator.match(/[<=>]/) and
+ model_class.attribute_column(attr).type == :datetime
+ operand = Time.parse operand
+ end
+ param_out << operand
+ end
+ when 'in'
+ if operand.is_a? Array
+ cond_out << "#{table_name}.#{attr} IN (?)"
+ param_out << operand
+ end
+ end
+ end
+ if cond_out.any?
+ @objects = @objects.where(cond_out.join(' AND '), *param_out)
+ end
+ end
+ if @where.is_a? Hash and @where.any?
conditions = ['1=1']
@where.each do |attr,value|
if attr == :any
def self._index_requires_parameters
{
+ filters: { type: 'array', required: false },
where: { type: 'object', required: false },
order: { type: 'string', required: false }
}