Class: SequelMapper::Configurations::ConventionalAssociationConfiguration

Inherits:
Object
  • Object
show all
Defined in:
lib/sequel_mapper/configurations/conventional_association_configuration.rb

Constant Summary collapse

DEFAULT = 
Module.new

Instance Method Summary collapse

Constructor Details

#initialize(mapping_name, mappings, datastore) ⇒ ConventionalAssociationConfiguration 



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# File 'lib/sequel_mapper/configurations/conventional_association_configuration.rb', line 13

def initialize(mapping_name, mappings, datastore)
  @local_mapping_name = mapping_name
  @mappings = mappings
  @local_mapping = mappings.fetch(local_mapping_name)
  @datastore = datastore
end

Instance Method Details

#belongs_to(association_name, key: DEFAULT, foreign_key: DEFAULT, mapping_name: DEFAULT) ⇒ Object 



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# File 'lib/sequel_mapper/configurations/conventional_association_configuration.rb', line 54

def belongs_to(association_name, key: DEFAULT, foreign_key: DEFAULT, mapping_name: DEFAULT)
  defaults = {
    key: :id,
    foreign_key: [association_name, "_id"].join.to_sym,
    mapping_name: INFLECTOR.pluralize(association_name).to_sym,
  }

  specified = {
    mapping_name: mapping_name,
    foreign_key: foreign_key,
    key: key,
  }.reject { |_k,v|
    v == DEFAULT
  }

  config = defaults.merge(specified)

  associated_mapping_name = config.fetch(:mapping_name)
  associated_mapping = mappings.fetch(associated_mapping_name)

  local_mapping.add_association(
    association_name,
    belongs_to_mapper(**config)
  )
end

#has_many(association_name, key: DEFAULT, foreign_key: DEFAULT, mapping_name: DEFAULT, order_fields: DEFAULT, order_direction: DEFAULT) ⇒ Object 



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# File 'lib/sequel_mapper/configurations/conventional_association_configuration.rb', line 25

def has_many(association_name, key: DEFAULT, foreign_key: DEFAULT, mapping_name: DEFAULT, order_fields: DEFAULT, order_direction: DEFAULT)
  defaults = {
    mapping_name: association_name,
    foreign_key: [INFLECTOR.singularize(local_mapping_name), "_id"].join.to_sym,
    key: :id,
    order_fields: [],
    order_direction: "ASC",
  }

  specified = {
    mapping_name: mapping_name,
    foreign_key: foreign_key,
    key: key,
    order_fields: order_fields,
    order_direction: order_direction,
  }.reject { |_k,v|
    v == DEFAULT
  }

  config = defaults.merge(specified)
  associated_mapping_name = config.fetch(:mapping_name)
  associated_mapping = mappings.fetch(associated_mapping_name)

  local_mapping.add_association(
    association_name,
    has_many_mapper(**config)
  )
end

#has_many_through(association_name, key: DEFAULT, foreign_key: DEFAULT, mapping_name: DEFAULT, through_mapping_name: DEFAULT, association_key: DEFAULT, association_foreign_key: DEFAULT, order_fields: DEFAULT, order_direction: DEFAULT) ⇒ Object 



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# File 'lib/sequel_mapper/configurations/conventional_association_configuration.rb', line 80

def has_many_through(association_name, key: DEFAULT, foreign_key: DEFAULT, mapping_name: DEFAULT, through_mapping_name: DEFAULT, association_key: DEFAULT, association_foreign_key: DEFAULT, order_fields: DEFAULT, order_direction: DEFAULT)
  defaults = {
    mapping_name: association_name,
    key: :id,
    association_key: :id,
    foreign_key: [INFLECTOR.singularize(local_mapping_name), "_id"].join.to_sym,
    association_foreign_key: [INFLECTOR.singularize(association_name), "_id"].join.to_sym,
    order_fields: [],
    order_direction: "ASC",
  }

  specified = {
    mapping_name: mapping_name,
    key: key,
    association_key: association_key,
    foreign_key: foreign_key,
    association_foreign_key: association_foreign_key,
    order_fields: order_fields,
    order_direction: order_direction,
  }.reject { |_k,v|
    v == DEFAULT
  }

  config = defaults.merge(specified)
  associated_mapping = mappings.fetch(config.fetch(:mapping_name))

  if through_mapping_name == DEFAULT
    through_mapping_name = [
      associated_mapping.name,
      local_mapping.name,
    ].sort.join("_to_").to_sym
  end

  join_table_name = mappings.fetch(through_mapping_name).namespace
  config = config
    .merge(
      through_mapping_name: through_mapping_name,
      through_dataset: datastore[join_table_name.to_sym],
    )

  local_mapping.add_association(
    association_name,
    has_many_through_mapper(**config)
  )
end