Class: HashPivot::Table

Inherits:

Object

Object
HashPivot::Table

Defined in:: lib/hash_pivot/table.rb

Instance Method Summary collapse

#initialize(data, repository: HashPivot::Repository::HashRepository) ⇒ Table constructor

A new instance of Table.
#pivot(group, pivot_in, pivot_kinds, &block) ⇒ Array<Hash>

Constructor Details

#initialize(data, repository: HashPivot::Repository::HashRepository) ⇒ `Table`

Returns a new instance of Table.

Parameters:

data (Array<Hash>)
repository (Class<HashPivot::Repository::HashRepository,HashPivot::Repository::StructRepository,HashPivot::Repository::ActiveRecordRepository>) (defaults to: HashPivot::Repository::HashRepository)

# File 'lib/hash_pivot/table.rb', line 13

def initialize(data, repository: HashPivot::Repository::HashRepository)
  @data = data
  @repository = repository
end

Instance Method Details

#pivot(group, pivot_in, pivot_kinds, &block) ⇒ `Array<Hash>`

Parameters:

group (Array, Object)
pivot_in (Object)
pivot_kinds (Hash, nil)
block (Proc)

Returns:

(Array<Hash>)

# File 'lib/hash_pivot/table.rb', line 25

def pivot(group, pivot_in, pivot_kinds, &block)
  group = [group] unless group.is_a?(Array)
  @repository.hash_by_group(@data, group, pivot_in).each_with_object([]) do |(key, array), memo|
    hash = transpose_with(pivot_kinds, array, pivot_in, &block)

    memo << key.merge(hash)
  end
end