Class: Spree::Variant

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/spree/variant.rb,
app/models/spree/variant/scopes.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.active(currency = nil) ⇒ Object


49
50
51
# File 'app/models/spree/variant.rb', line 49

def self.active(currency = nil)
  joins(:prices).where(deleted_at: nil).where('spree_prices.currency' => currency || Spree::Config[:currency]).where('spree_prices.amount IS NOT NULL')
end

.has_option(option_type, *option_values) ⇒ Object Also known as: has_options

Returns variants that match a given option value

Example:

product.variants_including_master.has_option(OptionType.find_by(name: 'shoe-size'), OptionValue.find_by(name: '8'))


12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
# File 'app/models/spree/variant/scopes.rb', line 12

def has_option(option_type, *option_values)
  option_types = OptionType.table_name

  option_type_conditions = case option_type
  when OptionType then { "#{option_types}.name" => option_type.name }
  when String     then { "#{option_types}.name" => option_type }
  else                 { "#{option_types}.id"   => option_type }
  end

  relation = joins(:option_values => :option_type).where(option_type_conditions)

  option_values_conditions = option_values.each do |option_value|
    option_value_conditions = case option_value
    when OptionValue then { "#{OptionValue.table_name}.name" => option_value.name }
    when String      then { "#{OptionValue.table_name}.name" => option_value }
    else                  { "#{OptionValue.table_name}.id"   => option_value }
    end
    relation = relation.where(option_value_conditions)
  end

  relation
end

Instance Method Details

#amount_in(currency) ⇒ Object


148
149
150
# File 'app/models/spree/variant.rb', line 148

def amount_in(currency)
  price_in(currency).try(:amount)
end

#can_supply?(quantity = 1) ⇒ Boolean

Returns:

  • (Boolean)

166
167
168
# File 'app/models/spree/variant.rb', line 166

def can_supply?(quantity=1)
  Spree::Stock::Quantifier.new(self).can_supply?(quantity)
end

#cost_price=(price) ⇒ Object


61
62
63
# File 'app/models/spree/variant.rb', line 61

def cost_price=(price)
  self[:cost_price] = parse_price(price) if price.present?
end

#default_priceObject


96
97
98
# File 'app/models/spree/variant.rb', line 96

def default_price
  Spree::Price.unscoped { super }
end

#deleted?Boolean

use deleted? rather than checking the attribute directly. this allows extensions to override deleted? if they want to provide their own definition.

Returns:

  • (Boolean)

85
86
87
# File 'app/models/spree/variant.rb', line 85

def deleted?
  !!deleted_at
end

#has_default_price?Boolean

Returns:

  • (Boolean)

140
141
142
# File 'app/models/spree/variant.rb', line 140

def has_default_price?
  !self.default_price.nil?
end

#in_stock?Boolean

Returns:

  • (Boolean)

160
161
162
163
164
# File 'app/models/spree/variant.rb', line 160

def in_stock?
  Rails.cache.fetch(in_stock_cache_key) do
    total_on_hand > 0
  end
end

#name_and_skuObject


152
153
154
# File 'app/models/spree/variant.rb', line 152

def name_and_sku
  "#{name} - #{sku}"
end

#on_backorderObject

returns number of units currently on backorder for this variant.


66
67
68
# File 'app/models/spree/variant.rb', line 66

def on_backorder
  inventory_units.with_state('backordered').size
end

#option_value(opt_name) ⇒ Object


136
137
138
# File 'app/models/spree/variant.rb', line 136

def option_value(opt_name)
  self.option_values.detect { |o| o.option_type.name == opt_name }.try(:presentation)
end

#options=(options = {}) ⇒ Object


100
101
102
103
104
# File 'app/models/spree/variant.rb', line 100

def options=(options = {})
  options.each do |option|
    set_option_value(option[:name], option[:value])
  end
end

#options_textObject


70
71
72
73
74
75
76
77
78
79
80
# File 'app/models/spree/variant.rb', line 70

def options_text
  values = self.option_values.sort do |a, b|
    a.option_type.position <=> b.option_type.position
  end

  values.map! do |ov|
    "#{ov.option_type.presentation}: #{ov.presentation}"
  end

  values.to_sentence({ words_connector: ", ", two_words_connector: ", " })
end

#price_in(currency) ⇒ Object


144
145
146
# File 'app/models/spree/variant.rb', line 144

def price_in(currency)
  prices.select{ |price| price.currency == currency }.first || Spree::Price.new(variant_id: self.id, currency: currency)
end

#productObject

Product may be created with deleted_at already set, which would make AR's default finder return nil. This is a stopgap for that little problem.


92
93
94
# File 'app/models/spree/variant.rb', line 92

def product
  Spree::Product.unscoped { super }
end

#set_option_value(opt_name, opt_value) ⇒ Object


106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
# File 'app/models/spree/variant.rb', line 106

def set_option_value(opt_name, opt_value)
  # no option values on master
  return if self.is_master

  option_type = Spree::OptionType.where(name: opt_name).first_or_initialize do |o|
    o.presentation = opt_name
    o.save!
  end

  current_value = self.option_values.detect { |o| o.option_type.name == opt_name }

  unless current_value.nil?
    return if current_value.name == opt_value
    self.option_values.delete(current_value)
  else
    # then we have to check to make sure that the product has the option type
    unless self.product.option_types.include? option_type
      self.product.option_types << option_type
    end
  end

  option_value = Spree::OptionValue.where(option_type_id: option_type.id, name: opt_value).first_or_initialize do |o|
    o.presentation = opt_value
    o.save!
  end

  self.option_values << option_value
  self.save
end

#should_track_inventory?Boolean

Shortcut method to determine if inventory tracking is enabled for this variant This considers both variant tracking flag and site-wide inventory tracking settings

Returns:

  • (Boolean)

176
177
178
# File 'app/models/spree/variant.rb', line 176

def should_track_inventory?
  self.track_inventory? && Spree::Config.track_inventory_levels
end

#sku_and_options_textObject


156
157
158
# File 'app/models/spree/variant.rb', line 156

def sku_and_options_text
  "#{sku} #{options_text}".strip
end

#tax_categoryObject


53
54
55
56
57
58
59
# File 'app/models/spree/variant.rb', line 53

def tax_category
  if self[:tax_category_id].nil?
    product.tax_category
  else
    TaxCategory.find(self[:tax_category_id])
  end
end

#total_on_handObject


170
171
172
# File 'app/models/spree/variant.rb', line 170

def total_on_hand
  Spree::Stock::Quantifier.new(self).total_on_hand
end