Class: Metaschema::ModelGenerator::Services::CollapsiblesCollapser

Inherits:
Object
  • Object
show all
Defined in:
lib/metaschema/model_generator/services/collapsibles_collapser.rb

Overview

Collapses multiple model instances that share the same flag values into a single instance with array-valued content. Implements the Metaschema “collapsible” field semantics.

The inverse operation (expanding collapsed items) is performed by FieldDeserializer#separate.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(model_class, collapsible_attributes, format, models) ⇒ CollapsiblesCollapser

Returns a new instance of CollapsiblesCollapser.



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# File 'lib/metaschema/model_generator/services/collapsibles_collapser.rb', line 15

def initialize(model_class, collapsible_attributes, format, models)
  @model_class = model_class
  @collapsible_attributes = collapsible_attributes
  @format = format
  @uncollapsible_mappings = model_class.mappings[format].mappings
    .reject { |n| collapsible_attributes.key?(n.to) }
  @collapsibles = []
  @groups = {}
  process(models)
end

Instance Attribute Details

#collapsibles ⇒ Object (readonly)

Returns the value of attribute collapsibles.



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# File 'lib/metaschema/model_generator/services/collapsibles_collapser.rb', line 13

def collapsibles
  @collapsibles
end

Instance Method Details

#call(value) ⇒ Object 



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# File 'lib/metaschema/model_generator/services/collapsibles_collapser.rb', line 26

def call(value)
  @groups.map { |_, group| collapse_group(group, value) }
end