Class: HaveAPI::Action
- Includes:
- Hookable
- Defined in:
- lib/haveapi/action.rb
Direct Known Subclasses
HaveAPI::Actions::Default::Create, HaveAPI::Actions::Default::Delete, HaveAPI::Actions::Default::Index, HaveAPI::Actions::Default::Show, HaveAPI::Actions::Default::Update, Resources::ActionState::Cancel, Resources::ActionState::Poll
Class Attribute Summary collapse
-
.authorization ⇒ Object
readonly
Returns the value of attribute authorization.
-
.examples ⇒ Object
readonly
Returns the value of attribute examples.
-
.resource ⇒ Object
Returns the value of attribute resource.
Instance Attribute Summary collapse
-
#errors ⇒ Object
readonly
Returns the value of attribute errors.
-
#flags ⇒ Object
Returns the value of attribute flags.
-
#message ⇒ Object
readonly
Returns the value of attribute message.
-
#version ⇒ Object
readonly
Returns the value of attribute version.
Class Method Summary collapse
- .action_name ⇒ Object
- .action_name=(name) ⇒ Object
- .authorize(&block) ⇒ Object
- .build_route(prefix) ⇒ Object
- .delayed_inherited(subclass) ⇒ Object
- .describe(context) ⇒ Object
- .example(title = '', &block) ⇒ Object
- .from_context(c) ⇒ Object
-
.inherit_attrs_from_resource(action, r, attrs) ⇒ Object
Inherit attributes from resource action is defined in.
- .inherited(subclass) ⇒ Object
- .initialize ⇒ Object
- .input(layout = nil, namespace: nil, &block) ⇒ Object
- .meta(type = :object, &block) ⇒ Object
- .model_adapter(layout) ⇒ Object
- .output(layout = nil, namespace: nil, &block) ⇒ Object
- .resolve_path_params(object) ⇒ Object
- .validate_build ⇒ Object
Instance Method Summary collapse
- #authorized?(user) ⇒ Boolean
- #current_user ⇒ Object
-
#exec ⇒ Object
This method must be reimplemented in every action.
-
#initialize(request, version, params, body, context) ⇒ Action
constructor
A new instance of Action.
- #input ⇒ Object
- #meta ⇒ Object
- #params ⇒ Object
- #pre_exec ⇒ Object
-
#prepare ⇒ Object
Prepare object, set instance variables from URL parameters.
- #request ⇒ Object
-
#safe_exec ⇒ Object
Calls exec while catching all exceptions and restricting output only to what user can see.
- #safe_output(ret) ⇒ Object
- #set_meta(hash) ⇒ Object
- #v?(v) ⇒ Boolean
- #validate! ⇒ Object
Methods included from Hookable
Methods inherited from Common
check_build, has_attr, inherit_attrs
Constructor Details
#initialize(request, version, params, body, context) ⇒ Action
Returns a new instance of Action.
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# File 'lib/haveapi/action.rb', line 275 def initialize(request, version, params, body, context) @request = request @version = version @params = params @params.update(body) if body @context = context @context.action = self.class @context.action_instance = self @metadata = {} @reply_meta = {object: {}, global: {}} @flags = {} class_auth = self.class. if class_auth @authorization = class_auth.clone else @authorization = Authorization.new {} end end |
Class Attribute Details
.authorization ⇒ Object (readonly)
Returns the value of attribute authorization.
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# File 'lib/haveapi/action.rb', line 35 def @authorization end |
.examples ⇒ Object (readonly)
Returns the value of attribute examples.
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# File 'lib/haveapi/action.rb', line 35 def examples @examples end |
.resource ⇒ Object
Returns the value of attribute resource.
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# File 'lib/haveapi/action.rb', line 34 def resource @resource end |
Instance Attribute Details
#errors ⇒ Object (readonly)
Returns the value of attribute errors.
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# File 'lib/haveapi/action.rb', line 30 def errors @errors end |
#flags ⇒ Object
Returns the value of attribute flags.
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# File 'lib/haveapi/action.rb', line 31 def flags @flags end |
#message ⇒ Object (readonly)
Returns the value of attribute message.
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# File 'lib/haveapi/action.rb', line 30 def @message end |
#version ⇒ Object (readonly)
Returns the value of attribute version.
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# File 'lib/haveapi/action.rb', line 30 def version @version end |
Class Method Details
.action_name ⇒ Object
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# File 'lib/haveapi/action.rb', line 182 def action_name (@action_name ? @action_name.to_s : to_s).demodulize end |
.action_name=(name) ⇒ Object
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# File 'lib/haveapi/action.rb', line 186 def action_name=(name) @action_name = name end |
.authorize(&block) ⇒ Object
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# File 'lib/haveapi/action.rb', line 171 def (&block) @authorization = Authorization.new(&block) end |
.build_route(prefix) ⇒ Object
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# File 'lib/haveapi/action.rb', line 190 def build_route(prefix) route = @route || action_name.underscore if @route @route elsif action_name action_name.to_s.demodulize.underscore else to_s.demodulize.underscore end if !route.is_a?(String) && route.respond_to?(:call) route = route.call(self.resource) end prefix + route % {resource: self.resource.resource_name.underscore} end |
.delayed_inherited(subclass) ⇒ Object
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# File 'lib/haveapi/action.rb', line 48 def delayed_inherited(subclass) resource = subclass.resource || Kernel.const_get(subclass.to_s.deconstantize) inherit_attrs(subclass) inherit_attrs_from_resource(subclass, resource, [:auth]) i = @input.clone i.action = subclass o = @output.clone o.action = subclass m = {} @meta.each do |k,v| m[k] = v && v.clone next unless v m[k].action = subclass end subclass.instance_variable_set(:@input, i) subclass.instance_variable_set(:@output, o) subclass.instance_variable_set(:@meta, m) begin subclass.instance_variable_set(:@resource, resource) subclass.instance_variable_set(:@model, resource.model) resource.action_defined(subclass) rescue NoMethodError return end end |
.describe(context) ⇒ Object
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# File 'lib/haveapi/action.rb', line 207 def describe(context) = (@authorization && @authorization.clone) || Authorization.new return false if (context.endpoint || context.current_user) && !.(context.current_user) route_method = context.action.http_method.to_s.upcase context. = if context.endpoint context.action_instance = context.action.from_context(context) ret = catch(:return) do context.action_prepare = context.action_instance.prepare end return false if ret == false end { auth: @auth, description: @desc, aliases: @aliases, blocking: @blocking ? true : false, input: @input ? @input.describe(context) : {parameters: {}}, output: @output ? @output.describe(context) : {parameters: {}}, meta: @meta ? @meta.merge(@meta) { |_, v| v && v.describe(context) } : nil, examples: @examples ? @examples.describe(context) : [], path: context.resolved_path, method: route_method, help: "#{context.path}?method=#{route_method}" } end |
.example(title = '', &block) ⇒ Object
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# File 'lib/haveapi/action.rb', line 175 def example(title = '', &block) @examples ||= ExampleList.new e = Example.new(title) e.instance_eval(&block) @examples << e end |
.from_context(c) ⇒ Object
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# File 'lib/haveapi/action.rb', line 254 def from_context(c) ret = new(nil, c.version, c.params, nil, c) ret.instance_exec do @safe_params = @params.dup @authorization = c. @current_user = c.current_user end ret end |
.inherit_attrs_from_resource(action, r, attrs) ⇒ Object
Inherit attributes from resource action is defined in.
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# File 'lib/haveapi/action.rb', line 241 def inherit_attrs_from_resource(action, r, attrs) begin return unless r.obj_type == :resource rescue NoMethodError return end attrs.each do |attr| action.method(attr).call(r.method(attr).call) end end |
.inherited(subclass) ⇒ Object
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# File 'lib/haveapi/action.rb', line 37 def inherited(subclass) # puts "Action.inherited called #{subclass} from #{to_s}" subclass.instance_variable_set(:@obj_type, obj_type) if subclass.name # not an anonymouse class delayed_inherited(subclass) end end |
.initialize ⇒ Object
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# File 'lib/haveapi/action.rb', line 81 def initialize return if @initialized check_build("#{self}.input") do input.exec model_adapter(input.layout).load_validators(model, input) if model end check_build("#{self}.output") do output.exec end model_adapter(input.layout).used_by(:input, self) model_adapter(output.layout).used_by(:output, self) if blocking (:global) do output do integer :action_state_id, label: 'Action state ID', desc: 'ID of ActionState object for state querying. When null, the action '+ 'is not blocking for the current invocation.' end end end if @meta @meta.each_value do |m| next unless m check_build("#{self}.meta.input") do m.input && m.input.exec end check_build("#{self}.meta.output") do m.output && m.output.exec end end end @initialized = true end |
.input(layout = nil, namespace: nil, &block) ⇒ Object
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# File 'lib/haveapi/action.rb', line 138 def input(layout = nil, namespace: nil, &block) if block @input ||= Params.new(:input, self) @input.layout = layout @input.namespace = namespace @input.add_block(block) else @input end end |
.meta(type = :object, &block) ⇒ Object
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# File 'lib/haveapi/action.rb', line 160 def (type = :object, &block) if block @meta ||= {object: nil, global: nil} @meta[type] ||= Metadata::ActionMetadata.new @meta[type].action = self @meta[type].instance_exec(&block) else @meta[type] end end |
.model_adapter(layout) ⇒ Object
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# File 'lib/haveapi/action.rb', line 134 def model_adapter(layout) ModelAdapter.for(layout, resource.model) end |
.output(layout = nil, namespace: nil, &block) ⇒ Object
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# File 'lib/haveapi/action.rb', line 149 def output(layout = nil, namespace: nil, &block) if block @output ||= Params.new(:output, self) @output.layout = layout @output.namespace = namespace @output.add_block(block) else @output end end |
.resolve_path_params(object) ⇒ Object
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# File 'lib/haveapi/action.rb', line 265 def resolve_path_params(object) if self.resolve self.resolve.call(object) else object.respond_to?(:id) ? object.id : nil end end |
.validate_build ⇒ Object
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# File 'lib/haveapi/action.rb', line 124 def validate_build check_build("#{self}.input") do input.validate_build end check_build("#{self}.output") do output.validate_build end end |
Instance Method Details
#authorized?(user) ⇒ Boolean
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# File 'lib/haveapi/action.rb', line 304 def (user) @current_user = user @authorization.(user) end |
#current_user ⇒ Object
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# File 'lib/haveapi/action.rb', line 309 def current_user @current_user end |
#exec ⇒ Object
This method must be reimplemented in every action. It must not be invoked directly, only via safe_exec, which restricts output.
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# File 'lib/haveapi/action.rb', line 350 def exec ['not implemented'] end |
#input ⇒ Object
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# File 'lib/haveapi/action.rb', line 317 def input @safe_params[ self.class.input.namespace ] if self.class.input end |
#meta ⇒ Object
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# File 'lib/haveapi/action.rb', line 325 def @metadata end |
#params ⇒ Object
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# File 'lib/haveapi/action.rb', line 313 def params @safe_params end |
#pre_exec ⇒ Object
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# File 'lib/haveapi/action.rb', line 344 def pre_exec end |
#prepare ⇒ Object
Prepare object, set instance variables from URL parameters. This method should return queried object. If the method is not implemented or returns nil, action description will not contain link to an associated resource. – FIXME: is this correct behaviour? ++
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# File 'lib/haveapi/action.rb', line 340 def prepare end |
#request ⇒ Object
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# File 'lib/haveapi/action.rb', line 321 def request @request end |
#safe_exec ⇒ Object
Calls exec while catching all exceptions and restricting output only to what user can see. Return array [status, data|error, errors]
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# File 'lib/haveapi/action.rb', line 357 def safe_exec ret = catch(:return) do begin validate! prepare pre_exec exec rescue Exception => e tmp = call_class_hooks_as_for(Action, :exec_exception, args: [@context, e]) if tmp.empty? p e. puts e.backtrace error('Server error occurred') end unless tmp[:status] error(tmp[:message], {}, http_status: tmp[:http_status] || 500) end end end safe_output(ret) end |
#safe_output(ret) ⇒ Object
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# File 'lib/haveapi/action.rb', line 386 def safe_output(ret) if ret output = self.class.output if output safe_ret = nil adapter = self.class.model_adapter(output.layout) out_params = self.class.output.params case output.layout when :object out = adapter.output(@context, ret) safe_ret = @authorization.filter_output( out_params, out, true ) @reply_meta[:global].update(out.) when :object_list safe_ret = [] ret.each do |obj| out = adapter.output(@context, obj) safe_ret << @authorization.filter_output( out_params, out, true ) safe_ret.last.update({Metadata.namespace => out.}) unless [:no] end when :hash safe_ret = @authorization.filter_output( out_params, adapter.output(@context, ret), true ) when :hash_list safe_ret = ret safe_ret.map! do |hash| @authorization.filter_output( out_params, adapter.output(@context, hash), true ) end else safe_ret = ret end if self.class.blocking @reply_meta[:global][:action_state_id] = state_id end ns = {output.namespace => safe_ret} ns[Metadata.namespace] = @reply_meta[:global] unless [:no] [true, ns] else [true, {}] end else [false, @message, @errors, @http_status] end end |
#set_meta(hash) ⇒ Object
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# File 'lib/haveapi/action.rb', line 329 def (hash) @reply_meta[:global].update(hash) end |
#validate! ⇒ Object
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# File 'lib/haveapi/action.rb', line 296 def validate! begin @params = validate rescue ValidationError => e error(e., e.to_hash) end end |