class PlaceOS::Model::Metadata

Included Modules

Defined in:

placeos-models/metadata.cr

Constant Summary

CALLBACKS = {before_save: [:set_modified_by] of Nil, after_save: [:clear_modifier, :__create_version__, :cleanup_history] of Nil, before_create: [do self.created_at = self.updated_at = Time.utc end] of Nil, after_create: [] of Nil, before_update: [do self.updated_at = Time.utc end] of Nil, after_update: [] of Nil, before_destroy: [:destroy_metadata] of Nil, after_destroy: [] of Nil}
Log = ::Log.for(self)

Constructors

Class Method Summary

Instance Method Summary

Instance methods inherited from module PlaceOS::Model::Utilities::Versions

create_version(version : self) : self create_version

Instance methods inherited from class PlaceOS::Model::ModelBase

after_create after_create, after_destroy after_destroy, after_save after_save, after_update after_update, apply_defaults apply_defaults, assign_attributes(params : HTTP::Params | Hash(String, String) | Tuple(String, String))
assign_attributes(model : PlaceOS::Model::ModelBase)
assign_attributes assign_attributes, attributes attributes, attributes_tuple attributes_tuple, before_create before_create, before_destroy before_destroy, before_save before_save, before_update before_update, invoke_props invoke_props, persistent_attributes persistent_attributes, run_create_callbacks(&) run_create_callbacks, run_destroy_callbacks(&) run_destroy_callbacks, run_save_callbacks(&) run_save_callbacks, run_update_callbacks(&) run_update_callbacks

Constructor methods inherited from class PlaceOS::Model::ModelBase

new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
new(pull : JSON::PullParser)
new(rs : DB::ResultSet) new

Class methods inherited from class PlaceOS::Model::ModelBase

attributes : Array(Symbol) attributes, auto_generate_id : Bool auto_generate_id, from_rs(rs : DB::ResultSet) from_rs, primary_key : Symbol primary_key

Instance methods inherited from module PlaceOS::Model::Associations

format_list_for_postgres(list : Enumerable(String)) : String format_list_for_postgres, reset_associations reset_associations

Class methods inherited from module PlaceOS::Model::Associations

format_list_for_postgres(list : Enumerable(String)) : String format_list_for_postgres

Macros inherited from module PlaceOS::Model::Associations

belongs_to(parent_class, dependent = :none, association_name = nil, foreign_key = nil, presence = false, pk_type = nil, serialize = true) belongs_to, has_many(child_class, collection_name = nil, dependent = :none, foreign_key = nil, serialize = false) has_many, has_one(child_class, dependent = :none, association_name = nil, presence = false) has_one

Constructor Detail

def self.from_json(string_or_io : String | IO, trusted : Bool = false) : self #

def self.from_json(string_or_io : String | IO, root : String, trusted : Bool = false) : self #

Deserializes the given JSON in string_or_io into an instance of self, assuming the JSON consists of an JSON object with key root, and whose value is the value to deserialize. Will not deserialise from fields with mass_assign: false

class User < ActiveModel::Model
  attribute name : String
  attribute google_id : UUID, mass_assign: false
end

User.from_json(%({"main": {"name": "Jason", "google_id": "f6f70bfb-c882-446d-8758-7ce47db39620"}}), root: "main") # => #<User:0x103131b20 @name="Jason">

def self.from_trusted_json(string_or_io : String | IO, root : String) : self #

def self.from_trusted_json(string_or_io : String | IO) : self #

Serialize from a trusted JSON source


def self.from_trusted_yaml(string_or_io : String | IO) : self #

Serialize from a trusted YAML source


def self.from_yaml(string_or_io : String | IO, trusted : Bool = false) : self #

def self.new(ctx : YAML::ParseContext, node : YAML::Nodes::Node) #

def self.new(pull : JSON::PullParser) #

def self.new(rs : DB::ResultSet) #

def self.new(created_at : Time | ActiveModel::Model::None = ::ActiveModel::Model::None.new, updated_at : Time | ActiveModel::Model::None = ::ActiveModel::Model::None.new, modified_by_id : String | Nil | ActiveModel::Model::None = ::ActiveModel::Model::None.new, metadata_id : String | Nil | ActiveModel::Model::None = ::ActiveModel::Model::None.new, name : String | ActiveModel::Model::None = ::ActiveModel::Model::None.new, description : String | ActiveModel::Model::None = ::ActiveModel::Model::None.new, details : JSON::Any | ActiveModel::Model::None = ::ActiveModel::Model::None.new, editors : Set(String) | ActiveModel::Model::None = ::ActiveModel::Model::None.new, parent_id : String | Nil | ActiveModel::Model::None = ::ActiveModel::Model::None.new, schema_id : String | Nil | ActiveModel::Model::None = ::ActiveModel::Model::None.new, id : String | Nil | ActiveModel::Model::None = ::ActiveModel::Model::None.new) #

def self.new(params : HTTP::Params | Hash(String, String) | Tuple(String, String)) #

Initialize PlaceOS::Model::Metadata from HTTP::Params.


Class Method Detail

def self.attributes : Array(Symbol) #

Returns all attribute keys.


def self.auto_generate_id : Bool #

def self.build_history(parent, name : String | Nil = nil, offset : Int32 = 0, limit : Int32 = 10) #

def self.build_metadata(parent, name : String | Nil = nil) : Hash(String, Interface) #

def self.by_parent_id(id) #

Look up instances of this model dependent on the foreign key


def self.by_schema_id(id) #

Look up instances of this model dependent on the foreign key


def self.changes(id : PrimaryKeyType = nil) : ChangeFeed #

Changefeed at row (if #id passed) or whole table level. Returns a ChangeFeed instance which can be used to invoke async callbacks via on or use blocking Iterator via each method.


def self.elastic #

def self.for(parent : String | Zone | ControlSystem | User, name : String | Nil = nil) #

def self.from_interface(interface : Interface) #

def self.from_rs(__temp_738 : DB::ResultSet) #

def self.interface(model : Metadata) #

def self.master_metadata_query(offset : Int32 = 0, limit : Int32 = 100, &) #

Query on main metadata records

Gets records where the metadata_id does not exist, i.e. is the main


def self.master_metadata_query_count(&) #

Count of records returned by query on main metadata records

Gets records where the metadata_id does not exist, i.e. is the main


def self.master_metadata_raw_query(count : Bool = false, &) #

Query on main metadata records

Gets records where the metadata_id does not exist, i.e. is the main


def self.on_error(err : Exception | IO::Error) #

def self.primary_key : Symbol #

def self.table_name #

def self.user_can_create?(parent_id : String | Nil, user : Model::UserJWT) #

Determine if a user has create access to the Metadata


def self.validate_parent_exists(metadata : Metadata) #

def self.validate_unique_name(metadata : Metadata) #

Instance Method Detail

def __control_system : ControlSystem | Nil #

def __control_system=(__control_system : ControlSystem | Nil) #

def __modified_by : User | Nil #

def __modified_by=(__modified_by : User | Nil) #

def __schema : JsonSchema | Nil #

Schema for validating #details object


def __schema=(__schema : JsonSchema | Nil) #

Schema for validating #details object


def __user : User | Nil #

def __user=(__user : User | Nil) #

def __zone : Zone | Nil #

def __zone=(__zone : Zone | Nil) #

def after_create #
Description copied from class PlaceOS::Model::ModelBase

Base class for all Engine models


def after_destroy #
Description copied from class PlaceOS::Model::ModelBase

Base class for all Engine models


def after_initialize(trusted : Bool) #

def after_save #
Description copied from class PlaceOS::Model::ModelBase

Base class for all Engine models


def after_update #
Description copied from class PlaceOS::Model::ModelBase

Base class for all Engine models


def apply_defaults #

Generate code to apply default values


def assign_attributes(created_at : Time | Missing = Missing, updated_at : Time | Missing = Missing, modified_by_id : String | Nil | Missing = Missing, metadata_id : String | Nil | Missing = Missing, name : String | Missing = Missing, description : String | Missing = Missing, details : JSON::Any | Missing = Missing, editors : Set(String) | Missing = Missing, parent_id : String | Nil | Missing = Missing, schema_id : String | Nil | Missing = Missing, id : String | Nil | Missing = Missing) #

Assign to multiple attributes.


def assign_attributes(params : HTTP::Params | Hash(String, String) | Tuple(String, String)) #

Assign to mulitple attributes via HTTP::Params.


def assign_attributes(model : PlaceOS::Model::Metadata) #

Assign to multiple attributes from a model object


def assign_attributes_from_json(json, root : String) #

def assign_attributes_from_json(json) #

def assign_attributes_from_trusted_json(json, root : String) #

def assign_attributes_from_trusted_json(json) #

Assign each field from JSON if field exists in JSON and has changed in model


def assign_attributes_from_trusted_yaml(yaml) #

def assign_attributes_from_yaml(yaml) #

Uses the YAML parser as JSON is valid YAML


def assign_from_interface(user : Model::UserJWT, interface : Interface, merge_details : Bool = false) #

def attributes #

Returns a Hash of all attribute values


def attributes_tuple #

Returns a NamedTuple of all attribute values.


def before_create #
Description copied from class PlaceOS::Model::ModelBase

Base class for all Engine models


def before_destroy #
Description copied from class PlaceOS::Model::ModelBase

Base class for all Engine models


def before_save #
Description copied from class PlaceOS::Model::ModelBase

Base class for all Engine models


def before_update #
Description copied from class PlaceOS::Model::ModelBase

Base class for all Engine models


def changed? #

Check if any attributes have changed.


def changed_attributes #

Returns a Hash with all changed attributes.


def changed_json(io : IO) : Nil #

Serialize the set of changed attributes to JSON.


def changed_json : String #

Serialize the set of changed attributes to JSON.


def changed_persist_attributes #

def changed_yaml(io : IO) : Nil #

Serialize the set of changed attributes to YAML.


def changed_yaml : String #

Serialize the set of changed attributes to YAML.


def clear_changes_information #

Reset changes for all attributes.


def control_system : ControlSystem | Nil #

Retrieves the parent relationship


def control_system! : ControlSystem #

def control_system=(parent : ControlSystem) #

Sets the parent relationship


def created_at : Time #

#created_at getter


def created_at=(value : Time) #

Setters #created_at setter


def created_at? : Time | Nil #

def created_at_assigned? : Bool #

def created_at_change : Tuple(Time | Nil, Time | Nil) | Nil #

Returns a Tuple of the previous and the current value of an instance variable if it has changed


def created_at_changed? : Bool #

def created_at_default : Time #

#created_at's default value


def created_at_present? : Bool #

def created_at_was : Time | Nil #

def created_at_will_change! : Nil #

Include #created_at in the set of changed attributes, whether it has changed or not.


def description : String #

#description getter


def description=(value : String) #

#description setter


def description? : String | Nil #

def description_assigned? : Bool #

def description_change : Tuple(String | Nil, String | Nil) | Nil #

Returns a Tuple of the previous and the current value of an instance variable if it has changed


def description_changed? : Bool #

def description_default : String #

#description's default value


def description_present? : Bool #

def description_was : String | Nil #

def description_will_change! : Nil #

Include #description in the set of changed attributes, whether it has changed or not.


def destroy_metadata #

def details : JSON::Any #

#details getter


def details=(value : JSON::Any) #

#details setter


def details? : JSON::Any | Nil #

def details_assigned? : Bool #

def details_change : Tuple(JSON::Any | Nil, JSON::Any | Nil) | Nil #

Returns a Tuple of the previous and the current value of an instance variable if it has changed


def details_changed? : Bool #

def details_default : JSON::Any #

#details's default value


def details_present? : Bool #

def details_was : JSON::Any | Nil #

def details_will_change! : Nil #

Include #details in the set of changed attributes, whether it has changed or not.


def editors : Set(String) #

#editors getter


def editors=(value : Set(String)) #

#editors setter


def editors? : Set(String) | Nil #

def editors_assigned? : Bool #

def editors_change : Tuple(Set(String) | Nil, Set(String) | Nil) | Nil #

Returns a Tuple of the previous and the current value of an instance variable if it has changed


def editors_changed? : Bool #

def editors_default : Set(String) #

#editors's default value


def editors_present? : Bool #

def editors_was : Set(String) | Nil #

def editors_will_change! : Nil #

Include #editors in the set of changed attributes, whether it has changed or not.


def history(offset : Int32 = 0, limit : Int32 = 10, &) #

Get version history

Versions are in descending order of creation


def history(offset : Int32 = 0, limit : Int32 = 10) #

Get version history

Versions are in descending order of creation


def history_count #

Return the number of versions for the main record.

If the record is a version, this is always 0.


def id : String | Nil #

#id getter


def id=(value : String | Nil) #

#id setter


def id? : String | Nil | Nil #
Description copied from class PgORM::Base

Same as #id but may return nil when the record hasn't been saved instead of raising.


def id_assigned? : Bool #

def id_change : Tuple(String | Nil | Nil, String | Nil | Nil) | Nil #

Returns a Tuple of the previous and the current value of an instance variable if it has changed


def id_changed? : Bool #

def id_default : String | Nil #

#id's default value


def id_present? : Bool #

def id_was : String | Nil | Nil #

def id_will_change! : Nil #

Include #id in the set of changed attributes, whether it has changed or not.


def interface #

def invoke_props #
Description copied from class PlaceOS::Model::ModelBase

Base class for all Engine models


def is_version? : Bool #

If a PlaceOS::Model::Metadata has a parent, it's a version


def metadata #

def metadata_id : String | Nil #

#metadata_id getter


def metadata_id=(value : String | Nil) #

#metadata_id setter


def metadata_id_assigned? : Bool #

def metadata_id_change : Tuple(String | Nil | Nil, String | Nil | Nil) | Nil #

Returns a Tuple of the previous and the current value of an instance variable if it has changed


def metadata_id_changed? : Bool #

def metadata_id_default : String | Nil #

#metadata_id's default value


def metadata_id_present? : Bool #

Associate with main version


def metadata_id_was : String | Nil | Nil #

def metadata_id_will_change! : Nil #

Include #metadata_id in the set of changed attributes, whether it has changed or not.


def modified_by : User | Nil #

Get cached child or attempt to load an associated modified_by


def modified_by! : User #

def modified_by=(user) #

def modified_by_id : String | Nil #

#modified_by_id getter


def modified_by_id=(value : String | Nil) #

#modified_by_id setter


def modified_by_id_assigned? : Bool #

def modified_by_id_change : Tuple(String | Nil | Nil, String | Nil | Nil) | Nil #

Returns a Tuple of the previous and the current value of an instance variable if it has changed


def modified_by_id_changed? : Bool #

def modified_by_id_default : String | Nil #

#modified_by_id's default value


def modified_by_id_present? : Bool #

def modified_by_id_was : String | Nil | Nil #

def modified_by_id_will_change! : Nil #

Include #modified_by_id in the set of changed attributes, whether it has changed or not.


def name : String #

#name getter


def name=(value : String) #

#name setter


def name? : String | Nil #

def name_assigned? : Bool #

def name_change : Tuple(String | Nil, String | Nil) | Nil #

Returns a Tuple of the previous and the current value of an instance variable if it has changed


def name_changed? : Bool #

def name_default : String #

#name's default value


def name_present? : Bool #

def name_was : String | Nil #

def name_will_change! : Nil #

Include #name in the set of changed attributes, whether it has changed or not.


def parent : User | ControlSystem | Zone | Nil #

def parent_id : String | Nil #

#parent_id getter


def parent_id=(parent_id : String) #

def parent_id=(value : String | Nil) #

#parent_id setter


def parent_id? : String | Nil #

def parent_id_assigned? : Bool #

def parent_id_change : Tuple(String | Nil | Nil, String | Nil | Nil) | Nil #

Returns a Tuple of the previous and the current value of an instance variable if it has changed


def parent_id_changed? : Bool #

def parent_id_default : String | Nil #

#parent_id's default value


def parent_id_present? : Bool #

def parent_id_was : String | Nil | Nil #

def parent_id_will_change! : Nil #

Include #parent_id in the set of changed attributes, whether it has changed or not.


def persistent_attributes #

Returns a Hash of all attributes that can be persisted.


def reset_associations #

Schema for validating #details object


def restore_attributes #

Reset each attribute to their previous values and clears all changes.


def run_create_callbacks(&) #

Wrap a block with callbacks for the appropriate crud operation


def run_destroy_callbacks(&) #
Description copied from class PlaceOS::Model::ModelBase

Base class for all Engine models


def run_save_callbacks(&) #
Description copied from class PlaceOS::Model::ModelBase

Base class for all Engine models


def run_update_callbacks(&) #
Description copied from class PlaceOS::Model::ModelBase

Base class for all Engine models


def schema : JsonSchema | Nil #

Retrieves the parent relationship


def schema! : JsonSchema #

Schema for validating #details object


def schema=(parent : JsonSchema) #

Sets the parent relationship


def schema_id : String | Nil #

#schema_id getter


def schema_id=(value : String | Nil) #

#schema_id setter


def schema_id_assigned? : Bool #

def schema_id_change : Tuple(String | Nil | Nil, String | Nil | Nil) | Nil #

Returns a Tuple of the previous and the current value of an instance variable if it has changed


def schema_id_changed? : Bool #

def schema_id_default : String | Nil #

#schema_id's default value


def schema_id_present? : Bool #

Schema for validating #details object


def schema_id_was : String | Nil | Nil #

def schema_id_will_change! : Nil #

Include #schema_id in the set of changed attributes, whether it has changed or not.


def table_name #

def to_parent_json(json : JSON::Builder) #

Serialize attributes with :parent in its serialization_group option


def to_parent_json(io : IO) : Nil #

Serialize attributes with :parent in its serialization_group option


def to_parent_json : String #

Serialize attributes with :parent in its serialization_group option


def to_parent_struct #

def updated_at : Time #

#updated_at getter


def updated_at=(value : Time) #

#updated_at setter


def updated_at? : Time | Nil #

def updated_at_assigned? : Bool #

def updated_at_change : Tuple(Time | Nil, Time | Nil) | Nil #

Returns a Tuple of the previous and the current value of an instance variable if it has changed


def updated_at_changed? : Bool #

def updated_at_default : Time #

#updated_at's default value


def updated_at_present? : Bool #

def updated_at_was : Time | Nil #

def updated_at_will_change! : Nil #

Include #updated_at in the set of changed attributes, whether it has changed or not.


def user : User | Nil #

Retrieves the parent relationship


def user! : User #

def user=(parent : User) #

Sets the parent relationship


def user_can_update?(user : Model::UserJWT) #

Determine if a user has edit access to the Metadata


def validate_nilability #

Validate that all non-nillable fields have values.


def zone : Zone | Nil #

Retrieves the parent relationship


def zone! : Zone #

def zone=(parent : Zone) #

Sets the parent relationship