+module ApiTemplateOverride
+ def allowed_to_render?(fieldset, field, model, options)
+ if options[:select]
+ return options[:select].include? field.to_s
+ end
+ super
+ end
+end
+
+class ActsAsApi::ApiTemplate
+ prepend ApiTemplateOverride
+end
+
+require 'load_param'
+require 'record_filters'
+
class ApplicationController < ActionController::Base
include CurrentApiClient
include ThemesForRails::ActionController
+ include LoadParam
+ include RecordFilters
ERROR_ACTIONS = [:render_error, :render_not_found]
+
respond_to :json
protect_from_forgery
- around_filter :thread_with_auth_info, except: ERROR_ACTIONS
before_filter :respond_with_json_by_default
before_filter :remote_ip
before_filter :load_read_auths
before_filter :catch_redirect_hint
before_filter(:find_object_by_uuid,
except: [:index, :create] + ERROR_ACTIONS)
- before_filter :load_limit_offset_order_params, only: [:index, :owned_items]
- before_filter :load_where_param, only: [:index, :owned_items]
- before_filter :load_filters_param, only: [:index, :owned_items]
+ before_filter :load_limit_offset_order_params, only: [:index, :contents]
+ before_filter :load_where_param, only: [:index, :contents]
+ before_filter :load_filters_param, only: [:index, :contents]
before_filter :find_objects_for_index, :only => :index
before_filter :reload_object_before_update, :only => :update
before_filter(:render_404_if_no_object,
attr_accessor :resource_attrs
- DEFAULT_LIMIT = 100
-
def index
- @objects.uniq!(&:id)
+ @objects.uniq!(&:id) if @select.nil? or @select.include? "id"
if params[:eager] and params[:eager] != '0' and params[:eager] != 0 and params[:eager] != ''
@objects.each(&:eager_load_associations)
end
show
end
- def self._owned_items_requires_parameters
- _index_requires_parameters.
- merge({
- include_linked: {
- type: 'boolean', required: false, default: false
- },
- })
- end
-
- def owned_items
- all_objects = []
- all_available = 0
-
- # Trick apply_where_limit_order_params into applying suitable
- # per-table values. *_all are the real ones we'll apply to the
- # aggregate set.
- limit_all = @limit
- offset_all = @offset
- @orders = []
-
- ArvadosModel.descendants.
- reject(&:abstract_class?).
- sort_by(&:to_s).
- each do |klass|
- case klass.to_s
- # We might expect klass==Link etc. here, but we would be
- # disappointed: when Rails reloads model classes, we get two
- # distinct classes called Link which do not equal each
- # other. But we can still rely on klass.to_s to be "Link".
- when 'ApiClientAuthorization'
- # Do not want.
- else
- @objects = klass.readable_by(*@read_users)
- cond_sql = "#{klass.table_name}.owner_uuid = ?"
- cond_params = [@object.uuid]
- if params[:include_linked]
- @objects = @objects.
- joins("LEFT JOIN links mng_links"\
- " ON mng_links.link_class=#{klass.sanitize 'permission'}"\
- " AND mng_links.name=#{klass.sanitize 'can_manage'}"\
- " AND mng_links.tail_uuid=#{klass.sanitize @object.uuid}"\
- " AND mng_links.head_uuid=#{klass.table_name}.uuid")
- cond_sql += " OR mng_links.uuid IS NOT NULL"
- end
- @objects = @objects.where(cond_sql, *cond_params).order(:uuid)
- @limit = limit_all - all_objects.count
- apply_where_limit_order_params
- items_available = @objects.
- except(:limit).except(:offset).
- count(:id, distinct: true)
- all_available += items_available
- @offset = [@offset - items_available, 0].max
-
- all_objects += @objects.to_a
- end
- end
- @objects = all_objects || []
- @object_list = {
- :kind => "arvados#objectList",
- :etag => "",
- :self_link => "",
- :offset => offset_all,
- :limit => limit_all,
- :items_available => all_available,
- :items => @objects.as_api_response(nil)
- }
- render json: @object_list
- end
-
def catch_redirect_hint
if !current_user
if params.has_key?('redirect_to') then
protected
- def load_where_param
- if params[:where].nil? or params[:where] == ""
- @where = {}
- elsif params[:where].is_a? Hash
- @where = params[:where]
- elsif params[:where].is_a? String
- begin
- @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
- @filters ||= []
- if params[:filters].is_a? Array
- @filters += params[:filters]
- elsif params[:filters].is_a? String and !params[:filters].empty?
- begin
- f = Oj.load params[:filters]
- raise unless f.is_a? Array
- @filters += f
- rescue
- raise ArgumentError.new("Could not parse \"filters\" param as an array")
- end
- end
- end
-
- def default_orders
- ["#{table_name}.modified_at desc"]
- end
-
- def load_limit_offset_order_params
- if params[:limit]
- unless params[:limit].to_s.match(/^\d+$/)
- raise ArgumentError.new("Invalid value for limit parameter")
- end
- @limit = params[:limit].to_i
- else
- @limit = DEFAULT_LIMIT
- end
-
- if params[:offset]
- unless params[:offset].to_s.match(/^\d+$/)
- raise ArgumentError.new("Invalid value for offset parameter")
- end
- @offset = params[:offset].to_i
- else
- @offset = 0
- end
-
- @orders = []
- if params[:order]
- params[:order].split(',').each do |order|
- attr, direction = order.strip.split " "
- direction ||= 'asc'
- if attr.match /^[a-z][_a-z0-9]+$/ and
- model_class.columns.collect(&:name).index(attr) and
- ['asc','desc'].index direction.downcase
- @orders << "#{table_name}.#{attr} #{direction.downcase}"
- end
- end
- end
- if @orders.empty?
- @orders = default_orders
- end
- end
-
def find_objects_for_index
@objects ||= model_class.readable_by(*@read_users)
apply_where_limit_order_params
end
+ def apply_filters
+ ft = record_filters @filters, @objects.table_name
+ if ft[:cond_out].any?
+ @objects = @objects.where(ft[:cond_out].join(' AND '), *ft[:param_out])
+ end
+ end
+
def apply_where_limit_order_params
+ apply_filters
+
ar_table_name = @objects.table_name
- if @filters.is_a? Array and @filters.any?
- cond_out = []
- param_out = []
- @filters.each do |filter|
- attr, operator, operand = filter
- if !filter.is_a? Array
- raise ArgumentError.new("Invalid element in filters array: #{filter.inspect} is not an array")
- elsif !operator.is_a? String
- raise ArgumentError.new("Invalid operator '#{operator}' (#{operator.class}) in filter")
- elsif !model_class.searchable_columns(operator).index attr.to_s
- raise ArgumentError.new("Invalid attribute '#{attr}' in filter")
- end
- case operator.downcase
- when '=', '<', '<=', '>', '>=', 'like'
- if operand.is_a? String
- cond_out << "#{ar_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
- elsif operand.nil? and operator == '='
- cond_out << "#{ar_table_name}.#{attr} is null"
- else
- raise ArgumentError.new("Invalid operand type '#{operand.class}' "\
- "for '#{operator}' operator in filters")
- end
- when 'in'
- if operand.is_a? Array
- cond_out << "#{ar_table_name}.#{attr} IN (?)"
- param_out << operand
- else
- raise ArgumentError.new("Invalid operand type '#{operand.class}' "\
- "for '#{operator}' operator in filters")
- end
- when 'is_a'
- operand = [operand] unless operand.is_a? Array
- cond = []
- operand.each do |op|
- cl = ArvadosModel::kind_class op
- if cl
- cond << "#{ar_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|
end
end
+ @objects = @objects.select(@select.map { |s| "#{table_name}.#{ActiveRecord::Base.connection.quote_column_name s.to_s}" }.join ", ") if @select
@objects = @objects.order(@orders.join ", ") if @orders.any?
@objects = @objects.limit(@limit)
@objects = @objects.offset(@offset)
+ @objects = @objects.uniq(@distinct) if not @distinct.nil?
end
def resource_attrs
end
end
- def thread_with_auth_info
- Thread.current[:request_starttime] = Time.now
- Thread.current[:api_url_base] = root_url.sub(/\/$/,'') + '/arvados/v1'
- begin
- user = nil
- api_client = nil
- api_client_auth = nil
- supplied_token =
- params[:api_token] ||
- params[:oauth_token] ||
- request.headers["Authorization"].andand.match(/OAuth2 ([a-z0-9]+)/).andand[1]
- if supplied_token
- api_client_auth = ApiClientAuthorization.
- includes(:api_client, :user).
- where('api_token=? and (expires_at is null or expires_at > CURRENT_TIMESTAMP)', supplied_token).
- first
- if api_client_auth.andand.user
- session[:user_id] = api_client_auth.user.id
- session[:api_client_uuid] = api_client_auth.api_client.andand.uuid
- session[:api_client_authorization_id] = api_client_auth.id
- user = api_client_auth.user
- api_client = api_client_auth.api_client
- else
- # Token seems valid, but points to a non-existent (deleted?) user.
- api_client_auth = nil
- end
- elsif session[:user_id]
- user = User.find(session[:user_id]) rescue nil
- api_client = ApiClient.
- where('uuid=?',session[:api_client_uuid]).
- first rescue nil
- if session[:api_client_authorization_id] then
- api_client_auth = ApiClientAuthorization.
- find session[:api_client_authorization_id]
- end
- end
- Thread.current[:api_client_ip_address] = remote_ip
- Thread.current[:api_client_authorization] = api_client_auth
- Thread.current[:api_client_uuid] = api_client.andand.uuid
- Thread.current[:api_client] = api_client
- Thread.current[:user] = user
- if api_client_auth
- api_client_auth.last_used_at = Time.now
- api_client_auth.last_used_by_ip_address = remote_ip
- api_client_auth.save validate: false
- end
- yield
- ensure
- Thread.current[:api_client_ip_address] = nil
- Thread.current[:api_client_authorization] = nil
- Thread.current[:api_client_uuid] = nil
- Thread.current[:api_client] = nil
- Thread.current[:user] = nil
- end
- end
- # /Authentication
-
def respond_with_json_by_default
html_index = request.accepts.index(Mime::HTML)
if html_index.nil? or request.accepts[0...html_index].include?(Mime::JSON)
end
end
- def self.accept_attribute_as_json(attr, force_class=nil)
- before_filter lambda { accept_attribute_as_json attr, force_class }
+ def load_json_value(hash, key, must_be_class=nil)
+ if hash[key].is_a? String
+ hash[key] = Oj.load(hash[key], symbol_keys: false)
+ if must_be_class and !hash[key].is_a? must_be_class
+ raise TypeError.new("parameter #{key.to_s} must be a #{must_be_class.to_s}")
+ end
+ end
+ end
+
+ def self.accept_attribute_as_json(attr, must_be_class=nil)
+ before_filter lambda { accept_attribute_as_json attr, must_be_class }
end
accept_attribute_as_json :properties, Hash
accept_attribute_as_json :info, Hash
- def accept_attribute_as_json(attr, force_class)
+ def accept_attribute_as_json(attr, must_be_class)
if params[resource_name] and resource_attrs.is_a? Hash
- if resource_attrs[attr].is_a? String
- resource_attrs[attr] = Oj.load(resource_attrs[attr],
- symbol_keys: false)
- if force_class and !resource_attrs[attr].is_a? force_class
- raise TypeError.new("#{resource_name}[#{attr.to_s}] must be a #{force_class.to_s}")
- end
- elsif resource_attrs[attr].is_a? Hash
+ if resource_attrs[attr].is_a? Hash
# Convert symbol keys to strings (in hashes provided by
# resource_attrs)
resource_attrs[attr] = resource_attrs[attr].
with_indifferent_access.to_hash
+ else
+ load_json_value(resource_attrs, attr, must_be_class)
end
end
end
+ def self.accept_param_as_json(key, must_be_class=nil)
+ prepend_before_filter lambda { load_json_value(params, key, must_be_class) }
+ end
+ accept_param_as_json :reader_tokens, Array
+
def render_list
@object_list = {
:kind => "arvados##{(@response_resource_name || resource_name).camelize(:lower)}List",
:self_link => "",
:offset => @offset,
:limit => @limit,
- :items => @objects.as_api_response(nil)
+ :items => @objects.as_api_response(nil, {select: @select})
}
if @objects.respond_to? :except
@object_list[:items_available] = @objects.
{
filters: { type: 'array', required: false },
where: { type: 'object', required: false },
- order: { type: 'string', required: false },
+ order: { type: 'array', required: false },
+ select: { type: 'array', required: false },
+ distinct: { type: 'boolean', required: false },
limit: { type: 'integer', required: false, default: DEFAULT_LIMIT },
offset: { type: 'integer', required: false, default: 0 },
}