Class: Menilite::Model
- Inherits:
-
Object
- Object
- Menilite::Model
- Extended by:
- Helper
- Includes:
- Helper
- Defined in:
- lib/menilite/model.rb,
lib/menilite/model/association.rb
Defined Under Namespace
Classes: ActionInfo, Association, FieldInfo, PresenceValidator, UnacquiredDataAccess, UniqueValidator, Validator, Validators
Instance Attribute Summary collapse
-
#fields ⇒ Object
readonly
Returns the value of attribute fields.
Class Method Summary collapse
- .[](id) ⇒ Object
- .action(name, options = {}, &block) ⇒ Object
- .action_info ⇒ Object
- .create(fields = {}, &block) ⇒ Object
- .delete(id, &block) ⇒ Object
- .delete_all ⇒ Object
- .fetch!(filter: {}, order: nil, includes: nil, &block) ⇒ Object
- .field(name, type = :string, params = {}) ⇒ Object
- .field_info ⇒ Object
- .find(id) ⇒ Object
- .inherited(child) ⇒ Object
- .init ⇒ Object
- .max!(field_name, &block) ⇒ Object
- .permit(privileges) ⇒ Object
- .save(collection, &block) ⇒ Object
- .store ⇒ Object
- .subclasses ⇒ Object
- .validation(field_name, params = {}, &block) ⇒ Object
- .validators ⇒ Object
Instance Method Summary collapse
- #[](key) ⇒ Object
- #delete!(&block) ⇒ Object
- #handle_event(event, field_name, value) ⇒ Object
- #id ⇒ Object
-
#initialize(fields = {}) ⇒ Model
constructor
A new instance of Model.
- #on(event, *field_names, &block) ⇒ Object
- #save(&block) ⇒ Object
- #to_h ⇒ Object
- #to_json(arg) ⇒ Object
- #type_validate(name, value) ⇒ Object
- #type_validator(type) ⇒ Object
- #update(data) ⇒ Object
- #update!(data, &block) ⇒ Object
- #validate(name, value) ⇒ Object
- #validate_all ⇒ Object
- #validate_reference(value, name) ⇒ Object
Methods included from Helper
client?, if_client, if_server, server?
Constructor Details
#initialize(fields = {}) ⇒ Model
Returns a new instance of Model.
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# File 'lib/menilite/model.rb', line 32 def initialize(fields = {}) self.class.init if server? fields = fields.map{|k,v| [k.to_sym, v] }.to_h end @guid = fields.delete(:id) || SecureRandom.uuid self.class.field_info.select{|_, i| i.type == :reference}.each do |name, info| fields[name] = Association.new(info.params[:class]) fields[name].load(fields["#{name}_id".to_sym]) if fields["#{name}_id".to_sym] end fields.each{|k, v| type_validate(k, v) } fields = fields.map{|k,v| [k, convert_value(self.class.field_info[k].type, v)] }.to_h if server? fields.merge!(self.class.privilege_fields) end defaults = self.class.field_info.map{|k, d| [d.name, d.params[:default]] if d.params.has_key?(:default) }.compact.to_h fields = defaults.merge(fields) @fields = defaults.merge(fields) @listeners = {} end |
Instance Attribute Details
#fields ⇒ Object (readonly)
Returns the value of attribute fields.
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# File 'lib/menilite/model.rb', line 30 def fields @fields end |
Class Method Details
.[](id) ⇒ Object
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# File 'lib/menilite/model.rb', line 164 def [](id) self.init store.find(self, id) end |
.action(name, options = {}, &block) ⇒ Object
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# File 'lib/menilite/model.rb', line 249 def action(name, = {}, &block) action_info[name.to_s] = ActionInfo.new(name, block.parameters, ) if server? self.instance_eval do if [:class] define_singleton_method(name, block) else define_method(name, block) end end else method = Proc.new do |model, *args, &callback| # todo: should adopt keyword parameters action_url = [:save] || [:class] ? "/api/#{self}/#{name}" : "/api/#{self}/#{model.id}/#{name}" post_data = { args: args } if [:save] begin model.validate_all rescue => e callback.call(:validation_error, e) if callback return end post_data[:model] = model.to_h end Menilite::Http.post_json(action_url, post_data) do on :success do |res| callback.call(:success, res) if callback end on :failure do |res| if callback res.json.then do |json| json = JSON.from_object(json) if json[:result] == 'validation_error' callback.call(:validation_error, Menilite::ValidationError.new(json[:messages])) else callback.call(:failure, json) end end end end end end self.instance_eval do if [:class] define_singleton_method(name) {|*args, &callback| method.call(self, *args, &callback) } else define_method(name) {|*args, &callback| method.call(self, *args, &callback) } end end end end |
.action_info ⇒ Object
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# File 'lib/menilite/model.rb', line 113 def action_info @action_info ||= {} end |
.create(fields = {}, &block) ⇒ Object
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# File 'lib/menilite/model.rb', line 127 def create(fields={}, &block) self.init self.new(fields).save(&block) end |
.delete(id, &block) ⇒ Object
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# File 'lib/menilite/model.rb', line 132 def delete(id, &block) self.init store.delete(self, filter: {id: id}, &block) end |
.delete_all ⇒ Object
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# File 'lib/menilite/model.rb', line 137 def delete_all self.init store.delete_all(self) end |
.fetch!(filter: {}, order: nil, includes: nil, &block) ⇒ Object
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# File 'lib/menilite/model.rb', line 169 def fetch!(filter: {}, order: nil, includes: nil, &block) raise 'method is block required' unless block_given? self.init store.fetch!(self, filter: convert_fileter(filter), order: order, includes: includes) do |list| yield list end end |
.field(name, type = :string, params = {}) ⇒ Object
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# File 'lib/menilite/model.rb', line 200 def field(name, type = :string, params = {}) params.merge!(client: true, server: true) if client? return unless params[:client] else return unless params[:server] end field_info[name] = FieldInfo.new(self, name, type, params) if type == :reference field_info["#{name}_id".to_sym] = FieldInfo.new(self, "#{name}_id", :id, {}) end self.instance_eval do if type == :reference define_method("#{name}_id") do @fields[name.to_sym].id end define_method("#{name}_id=") do |value| @fields[name.to_sym].load(value) end end define_method(name) do value = @fields[name.to_sym] if type.is_a?(Hash) && type.keys.first == :enum value = type[:enum][value] end value end define_method("#{name}=") do |value| unless type_validator(type).call(value, name) raise TypeError.new("type error: field name: #{name}, value: #{value}") end if type == :reference @fields[name.to_sym].assign convert_value(type, value) else @fields[name.to_sym] = convert_value(type, value) end handle_event(:change, name.to_sym, value) end end end |
.field_info ⇒ Object
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# File 'lib/menilite/model.rb', line 109 def field_info @field_info ||= {} end |
.find(id) ⇒ Object
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# File 'lib/menilite/model.rb', line 155 def find(id) case id when String self[id] when Hash self.fetch(filter:id).first end end |
.inherited(child) ⇒ Object
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# File 'lib/menilite/model.rb', line 196 def inherited(child) subclasses[child] = false end |
.init ⇒ Object
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# File 'lib/menilite/model.rb', line 102 def init if Model.subclasses.has_key?(self) && !Model.subclasses[self] store.register(self) Model.subclasses[self] = true end end |
.max!(field_name, &block) ⇒ Object
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# File 'lib/menilite/model.rb', line 179 def max!(field_name, &block) raise 'method is block required' unless block_given? self.init store.max!(self, field_name) do |max| yield max end end |
.permit(privileges) ⇒ Object
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# File 'lib/menilite/model.rb', line 312 def permit(privileges) Menilite.if_server do case privileges when Array self.privileges.push(*privileges) when Symbol, String self.privileges << privileges end end end |
.save(collection, &block) ⇒ Object
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# File 'lib/menilite/model.rb', line 121 def save(collection, &block) self.init collection.each {|obj| obj.validate_all } self.store.save(collection, &block) end |
.subclasses ⇒ Object
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# File 'lib/menilite/model.rb', line 192 def subclasses @subclasses ||= {} end |
.validation(field_name, params = {}, &block) ⇒ Object
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# File 'lib/menilite/model.rb', line 303 def validation(field_name, params = {}, &block) params.each do |k, v| if validator = Validators[k, v] self.field_info[field_name].validators << validator.new(self, field_name) end end self.field_info[field_name].validators << Validator.new(self, field_name, &block) if block end |
.validators ⇒ Object
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# File 'lib/menilite/model.rb', line 117 def validators @validators ||= {} end |
Instance Method Details
#[](key) ⇒ Object
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# File 'lib/menilite/model.rb', line 420 def [](key) if self.class.field_info.has_key?(key.to_sym) || self.class.field_info.has_key?("#{key}_id".to_sym) self.send(key) else raise ArgumentError.new("field '#{name}' is not defind") end end |
#delete!(&block) ⇒ Object
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# File 'lib/menilite/model.rb', line 84 def delete!(&block) self.class.delete(self.id, &block) end |
#handle_event(event, field_name, value) ⇒ Object
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# File 'lib/menilite/model.rb', line 92 def handle_event(event, field_name, value) get_listeners(event, field_name).each do |listener| listener.call(value) end value end |
#id ⇒ Object
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# File 'lib/menilite/model.rb', line 58 def id @guid end |
#on(event, *field_names, &block) ⇒ Object
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# File 'lib/menilite/model.rb', line 88 def on(event, *field_names, &block) field_names.each {|file_name| set_listener(event, file_name, &block) } end |
#save(&block) ⇒ Object
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# File 'lib/menilite/model.rb', line 62 def save(&block) self.validate_all self.class.store.save(self, &block) self end |
#to_h ⇒ Object
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# File 'lib/menilite/model.rb', line 428 def to_h @fields.merge(id: @guid) end |
#to_json(arg) ⇒ Object
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# File 'lib/menilite/model.rb', line 432 def to_json(arg) @fields.merge(id: @guid).to_json end |
#type_validate(name, value) ⇒ Object
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# File 'lib/menilite/model.rb', line 403 def type_validate(name, value) field_info = self.class.field_info[name] field_info or raise ArgumentError.new("field '#{name}' is not defind") type_validator = type_validator(field_info.type) type_validator.call(value, field_info.name) or raise TypeError.new("type error: field_name: #{field_info.name}, value: #{value}") end |
#type_validator(type) ⇒ Object
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# File 'lib/menilite/model.rb', line 369 def type_validator(type) case type when :string -> (value, name) { value.nil? || value.is_a?(String) } when :int -> (value, name) { value.nil? || value.is_a?(Integer) } when :boolean -> (value, name) { value.nil? || value == true || value == false } when :date -> (value, name) { value.nil? || value.is_a?(Date) || value.is_a?(String) } when :time -> (value, name) { value.nil? || value.is_a?(Time) || value.is_a?(String) } when Hash if type.keys.first == :enum -> (value, name) { value.nil? || value.is_a?(Integer) || type[:enum].include?(value) } else raise TypeError.new("type error") end when :reference -> (value, name) { client? || value.nil? || validate_reference(value, name) || value.is_a?(Association) } when :id -> (value, name) { value.nil? || value.is_a?(String) } else raise TypeError.new("type error. type: #{type.inspect}") end end |
#update(data) ⇒ Object
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# File 'lib/menilite/model.rb', line 68 def update(data) case data when self.class @fields.merge!(data.fields) when Hash @fields.merge!(data.map{|k, v| resolve_references(k, v) }.to_h) when String @fields.merge!(JSON.parse(json)) end end |
#update!(data, &block) ⇒ Object
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# File 'lib/menilite/model.rb', line 79 def update!(data, &block) self.update(data) self.save(&block) end |
#validate(name, value) ⇒ Object
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# File 'lib/menilite/model.rb', line 411 def validate(name, value) self.class.field_info[name].valudate(self, value) end |
#validate_all ⇒ Object
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# File 'lib/menilite/model.rb', line 415 def validate_all = self.class.field_info.flat_map {|k, info| info.validate(self, self.fields[k]) }.compact .empty? or raise ValidationError.new() end |