Module: TableStructure::Schema

Defined in:
lib/table_structure/schema.rb,
lib/table_structure/schema/utils.rb,
lib/table_structure/schema/keys_builder.rb,
lib/table_structure/schema/class_methods.rb,
lib/table_structure/schema/columns/schema.rb,
lib/table_structure/schema/composite_class.rb,
lib/table_structure/schema/dsl/row_builder.rb,
lib/table_structure/schema/columns/attributes.rb,
lib/table_structure/schema/dsl/column_builder.rb,
lib/table_structure/schema/dsl/context_builder.rb,
lib/table_structure/schema/dsl/column_definition.rb,
lib/table_structure/schema/column_builder_factory.rb,
lib/table_structure/schema/definition/columns/error.rb,
lib/table_structure/schema/definition/columns/compiler.rb,
lib/table_structure/schema/row_context_builder_factory.rb,
lib/table_structure/schema/definition/columns/validator.rb,
lib/table_structure/schema/definition/columns/attributes.rb,
lib/table_structure/schema/definition/columns/schema_class.rb,
lib/table_structure/schema/definition/columns/schema_instance.rb

Defined Under Namespace

Modules: ClassMethods, Columns, DSL, Definition, Utils Classes: ColumnBuilderFactory, CompositeClass, KeysBuilder, Row, RowContextBuilderFactory

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/table_structure/schema.rb', line 24

def context
  @context
end

#row_builders ⇒ Object (readonly)

Returns the value of attribute row_builders.



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# File 'lib/table_structure/schema.rb', line 24

def row_builders
  @row_builders
end

Class Method Details

.create_class(&block) ⇒ Object

Raises:



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# File 'lib/table_structure/schema.rb', line 13

def self.create_class(&block)
  raise ::TableStructure::Error, 'No block has been given.' unless block

  ::Class.new do
    include Schema
    class_eval(&block)
  end
end

.included(klass) ⇒ Object 



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# File 'lib/table_structure/schema.rb', line 5

def self.included(klass)
  klass.extend(DSL::ColumnBuilder)
  klass.extend(DSL::ColumnDefinition)
  klass.extend(DSL::ContextBuilder)
  klass.extend(DSL::RowBuilder)
  klass.extend(ClassMethods)
end

Instance Method Details

#columns_keys ⇒ Object 



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# File 'lib/table_structure/schema.rb', line 72

def columns_keys
  @columns_keys ||= @keys_builder.build(@columns.map(&:keys).flatten)
end

#columns_size ⇒ Object 



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# File 'lib/table_structure/schema.rb', line 76

def columns_size
  @columns.map(&:size).reduce(0, &:+)
end

#contain_name_callable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/table_structure/schema.rb', line 80

def contain_name_callable?
  @columns.any? { |column| column.name_callable? }
end

#contain_value_callable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/table_structure/schema.rb', line 84

def contain_value_callable?
  @columns.any? { |column| column.value_callable? }
end

#create_data_row_generator ⇒ Object 



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# File 'lib/table_structure/schema.rb', line 103

def create_data_row_generator
  ::TableStructure::Utils::CompositeCallable.new.compose(
    @row_context_builder_factory.create_data_builder,
    proc do |context|
      values =
        @columns
        .map { |column| column.values(context, @context) }
        .flatten

      Row.new(columns_keys, values, context)
    end,
    @column_builder_factory.create_data_builder
  )
end

#create_header_row_generator ⇒ Object 



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# File 'lib/table_structure/schema.rb', line 88

def create_header_row_generator
  ::TableStructure::Utils::CompositeCallable.new.compose(
    @row_context_builder_factory.create_header_builder,
    proc do |context|
      values =
        @columns
        .map { |column| column.names(context, @context) }
        .flatten

      Row.new(columns_keys, values, context)
    end,
    @column_builder_factory.create_header_builder
  )
end

#initialize(name: self.class.name, context: nil, name_prefix: nil, name_suffix: nil, key_prefix: nil, key_suffix: nil, nil_definitions_ignored: false, &block) ⇒ Object 



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# File 'lib/table_structure/schema.rb', line 27

def initialize(
  name: self.class.name,
  context: nil,
  name_prefix: nil,
  name_suffix: nil,
  key_prefix: nil,
  key_suffix: nil,
  nil_definitions_ignored: false,
  &block
)
  schema_class = CompositeClass.new.compose(self.class)
  schema_class.compose(Schema.create_class(&block)) if block

  context_builders = schema_class.context_builders

  table_context_builder = context_builders.delete(:table)

  @context = table_context_builder ? table_context_builder.call(context) : context

  @row_context_builder_factory = RowContextBuilderFactory.new(self, context_builders)

  @column_builder_factory = ColumnBuilderFactory.new(
    schema_class.column_builders,
    context: @context,
    name_prefix: name_prefix,
    name_suffix: name_suffix
  )

  @keys_builder = KeysBuilder.new(
    prefix: key_prefix,
    suffix: key_suffix
  )

  @row_builders = schema_class.row_builders

  @columns =
    Definition::Columns::Compiler
    .new(
      name,
      schema_class.column_definitions,
      nil_definitions_ignored: nil_definitions_ignored
    )
    .compile(@context)
end