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,
def create
@object = model_class.new resource_attrs
- if @object.save
- show
- else
- raise "Save failed"
- end
+ @object.save!
+ show
end
def update
attrs_to_update = resource_attrs.reject { |k,v|
[:kind, :etag, :href].index k
}
- if @object.update_attributes attrs_to_update
- show
- else
- raise "Update failed"
- end
+ @object.update_attributes! attrs_to_update
+ show
end
def destroy
@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 and !params[:filters].empty?
+ 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(operator).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 (# any operator that operates on value rather than
+ # representation:
+ 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
+ when 'is_a'
+ operand = [operand] unless operand.is_a? Array
+ cond = []
+ operand.each do |op|
+ cl = ArvadosModel::kind_class op
+ if cl
+ cond << "#{table_name}.#{attr} like ?"
+ param_out << cl.uuid_like_pattern
+ else
+ cond << "1=0"
+ end
+ end
+ cond_out << cond.join(' OR ')
+ 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
+ if attr.to_s == 'any'
if value.is_a?(Array) and
value.length == 2 and
- value[0] == 'contains' and
- model_class.columns.collect(&:name).index('name') then
+ value[0] == 'contains' then
ilikes = []
- model_class.searchable_columns.each do |column|
+ model_class.searchable_columns('ilike').each do |column|
ilikes << "#{table_name}.#{column} ilike ?"
conditions << "%#{value[1]}%"
end
where(*conditions)
end
end
+
if params[:limit]
begin
- @objects = @objects.limit(params[:limit].to_i)
+ @limit = params[:limit].to_i
rescue
raise ArgumentError.new("Invalid value for limit parameter")
end
else
- @objects = @objects.limit(100)
+ @limit = 100
end
+ @objects = @objects.limit(@limit)
+
+ orders = []
+
+ if params[:offset]
+ begin
+ @objects = @objects.offset(params[:offset].to_i)
+ @offset = params[:offset].to_i
+ rescue
+ raise ArgumentError.new("Invalid value for limit parameter")
+ end
+ else
+ @offset = 0
+ end
+
orders = []
if params[:order]
params[:order].split(',').each do |order|
:kind => "arvados##{(@response_resource_name || resource_name).camelize(:lower)}List",
:etag => "",
:self_link => "",
- :next_page_token => "",
- :next_link => "",
+ :offset => @offset,
+ :limit => @limit,
:items => @objects.as_api_response(nil)
}
if @objects.respond_to? :except
- @object_list[:items_available] = @objects.except(:limit).count
+ @object_list[:items_available] = @objects.
+ except(:limit).except(:offset).
+ count(:id, distinct: true)
end
render json: @object_list
end
def self._index_requires_parameters
{
+ filters: { type: 'array', required: false },
where: { type: 'object', required: false },
order: { type: 'string', required: false }
}