Class: ActiveRecord::Relation

Inherits:
Object
  • Object
show all
Defined in:
lib/pluck_all/models/active_record_extension.rb,
lib/pluck_all/models/active_record_extension.rb

Instance Method Summary collapse

Instance Method Details

#cast_carrier_wave_uploader_url(attributes) ⇒ Object

● Support casting CarrierWave url



79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
 
# File 'lib/pluck_all/models/active_record_extension.rb', line 79

def cast_carrier_wave_uploader_url(attributes)
  if defined?(CarrierWave) && klass.respond_to?(:uploaders)
    @pluck_all_cast_need_columns ||= nil
    @pluck_all_cast_klass ||= klass
    @pluck_all_uploaders ||= @pluck_all_cast_klass.uploaders.select{|key, _uploader| attributes.key?(key.to_s) }
    @pluck_all_uploaders.each do |key, _uploader|
      {}.tap do |hash|
        @pluck_all_cast_need_columns.each{|k| hash[k] = attributes[k] } if @pluck_all_cast_need_columns
        obj = @pluck_all_cast_klass.instantiate(hash)
        obj[key] = attributes[key_s = key.to_s]
        # https://github.com/carrierwaveuploader/carrierwave/blob/87c37b706c560de6d01816f9ebaa15ce1c51ed58/lib/carrierwave/mount.rb#L142
        attributes[key_s] = obj.send(key)
      end
    end
  end
  return attributes
end

#cast_need_columns(column_names, _klass = nil) ⇒ Object 



6
7
8
9
10
 
# File 'lib/pluck_all/models/active_record_extension.rb', line 6

def cast_need_columns(column_names, _klass = nil)
  @pluck_all_cast_need_columns = column_names.map(&:to_s)
  @pluck_all_cast_klass = _klass
  return self
end

#pluck_all(*column_names, cast_uploader_url: true) ⇒ Object 



28
29
30
31
32
33
34
 
# File 'lib/pluck_all/models/active_record_extension.rb', line 28

def pluck_all(*column_names, cast_uploader_url: true)
  result = select_all(column_names)
  casted_result = RailsCompatibility.cast_values(klass, result)

  casted_result.each{|attributes| cast_carrier_wave_uploader_url(attributes) } if cast_uploader_url
  return casted_result
end

#select_all(column_names) ⇒ Object 



12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
# File 'lib/pluck_all/models/active_record_extension.rb', line 12

def select_all(column_names)
  relation = clone

  # See: https://github.com/globalize/globalize/pull/707
  if relation.klass.method_defined?(:translated_attribute_names) && (parsed = parse_translated_columns(column_names))
    relation = relation.join_translations
    column_names = parsed
  end

  relation.select_values = [].freeze # cannot use `unscope(:select)` in Rails 3

  sql = relation.select(column_names.map(&to_sql_column_name)).to_sql
  return klass.connection.select_all(sql)
end