Class: FunApi::OpenAPI::SchemaConverter

Inherits:
Object
  • Object
show all
Defined in:
lib/funapi/openapi/schema_converter.rb

Class Method Summary collapse

Class Method Details

.extract_field_info(rule) ⇒ Object 



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# File 'lib/funapi/openapi/schema_converter.rb', line 34

def self.extract_field_info(rule)
  rule_str = rule.to_s
  is_required = rule.class.name.include?("And")

  type_info = if rule_str.include?("array?")
    items_type = if rule_str.include?("str?")
      {type: "string"}
    elsif rule_str.include?("int?")
      {type: "integer"}
    elsif rule_str.include?("float?") || rule_str.include?("decimal?")
      {type: "number"}
    elsif rule_str.include?("bool?")
      {type: "boolean"}
    else
      {}
    end
    {type: "array", items: items_type}
  elsif rule_str.include?("hash?")
    {type: "object"}
  elsif rule_str.include?("str?")
    {type: "string"}
  elsif rule_str.include?("int?")
    {type: "integer"}
  elsif rule_str.include?("float?") || rule_str.include?("decimal?")
    {type: "number"}
  elsif rule_str.include?("bool?")
    {type: "boolean"}
  else
    {type: "string"}
  end

  {
    schema: type_info,
    required: is_required
  }
end

.extract_schema_name(schema_obj) ⇒ Object 



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# File 'lib/funapi/openapi/schema_converter.rb', line 71

def self.extract_schema_name(schema_obj)
  ObjectSpace.each_object(Class).each do |klass|
    klass.constants.each do |const_name|
      const_value = klass.const_get(const_name)
      return const_name.to_s if const_value == schema_obj
    rescue
      next
    end
  end

  nil
end

.to_json_schema(dry_schema, schema_name = nil) ⇒ Object 



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# File 'lib/funapi/openapi/schema_converter.rb', line 4

def self.to_json_schema(dry_schema, schema_name = nil)
  return nil unless dry_schema

  if dry_schema.is_a?(Array) && dry_schema.length == 1
    return {
      type: "array",
      items: to_json_schema(dry_schema.first, schema_name)
    }
  end

  properties = {}
  required = []

  dry_schema.rules.each do |key, rule|
    field_name = key.to_s
    field_info = extract_field_info(rule)

    properties[field_name] = field_info[:schema]
    required << field_name if field_info[:required]
  end

  schema = {
    type: "object",
    properties: properties
  }

  schema[:required] = required unless required.empty?
  schema
end