Class: Konstruo::Mapper

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/konstruo/mapper.rb

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Class Attribute Details

.fields ⇒ Object (readonly)

Returns the value of attribute fields.



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# File 'lib/konstruo/mapper.rb', line 18

def fields
  @fields
end

Class Method Details

.field(name, type, required: false, custom_name: nil, mapper: nil, error_message: nil) ⇒ Object 



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# File 'lib/konstruo/mapper.rb', line 26

def self.field(name, type, required: false, custom_name: nil, mapper: nil, error_message: nil)
  # Check if the attribute is already defined
  attr_accessor name unless method_defined?(name)

  @fields ||= [] if @fields.nil?
  @fields << { name:, type:, required:, custom_name: custom_name || name.to_s, mapper:, error_message: }
end

.from_hash(hash) ⇒ Object 



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# File 'lib/konstruo/mapper.rb', line 47

def self.from_hash(hash)
  new.from_hash(hash)
end

.from_json(json_string) ⇒ Object 



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# File 'lib/konstruo/mapper.rb', line 35

def self.from_json(json_string)
  hash = JSON.parse(json_string)
  new.from_hash(hash)
end

.from_params(params) ⇒ Object 



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# File 'lib/konstruo/mapper.rb', line 41

def self.from_params(params)
  hash = params.to_unsafe_h
  new.from_hash(hash)
end

Instance Method Details

#from_hash(hash) ⇒ Object 



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# File 'lib/konstruo/mapper.rb', line 52

def from_hash(hash)
  self.class.fields.each do |field|
    key = field[:custom_name]
    value = hash[key.to_s] || hash[key.to_sym]

    if value.nil?
      raise Konstruo::ValidationError, (field[:error_message] || "Missing required field: #{key}") if field[:required]
    else
      assign_value(field[:name], field[:type], value, field[:mapper], field[:error_message])
    end
  end
  self
end