Class: SpreeCmCommissioner::VariantAvailability::PermanentStockQuery

Inherits:
Object
  • Object
show all
Defined in:
app/queries/spree_cm_commissioner/variant_availability/permanent_stock_query.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(variant:, from_date:, to_date:, except_line_item_id: nil) ⇒ PermanentStockQuery 



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# File 'app/queries/spree_cm_commissioner/variant_availability/permanent_stock_query.rb', line 6

def initialize(variant:, from_date:, to_date:, except_line_item_id: nil)
  @variant = variant
  @from_date = from_date
  @to_date = to_date
  @except_line_item_id = except_line_item_id
end

Instance Attribute Details

#except_line_item_id ⇒ Object (readonly)

Returns the value of attribute except_line_item_id.



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# File 'app/queries/spree_cm_commissioner/variant_availability/permanent_stock_query.rb', line 4

def except_line_item_id
  @except_line_item_id
end

#from_date ⇒ Object (readonly)

Returns the value of attribute from_date.



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# File 'app/queries/spree_cm_commissioner/variant_availability/permanent_stock_query.rb', line 4

def from_date
  @from_date
end

#to_date ⇒ Object (readonly)

Returns the value of attribute to_date.



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# File 'app/queries/spree_cm_commissioner/variant_availability/permanent_stock_query.rb', line 4

def to_date
  @to_date
end

#variant ⇒ Object (readonly)

Returns the value of attribute variant.



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# File 'app/queries/spree_cm_commissioner/variant_availability/permanent_stock_query.rb', line 4

def variant
  @variant
end

Instance Method Details

#available?(quantity) ⇒ Boolean 



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# File 'app/queries/spree_cm_commissioner/variant_availability/permanent_stock_query.rb', line 13

def available?(quantity)
  (from_date..from_date).all? do |booking_date|
    booked_date_quantity[booking_date].nil? ||
      (booked_date_quantity[booking_date] - quantity) >= 0
  end
end

#booked_date_quantity ⇒ Object 



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# File 'app/queries/spree_cm_commissioner/variant_availability/permanent_stock_query.rb', line 20

def booked_date_quantity
  dates_sql = ApplicationRecord.sanitize_sql_array(
    [
      'SELECT date FROM generate_series(?::date, ?::date, ?) AS date',
      from_date,
      to_date,
      date_interval
    ]
  )

  @booked_variants ||=
    Spree::LineItem
    .complete
    .select(
      '(SUM(DISTINCT spree_stock_items.count_on_hand) - SUM(spree_line_items.quantity)) AS available_quantity',
      'dates.date AS reservation_date'
    )
    .joins(variant: :stock_items)
    .where(variant_id: variant.id)
    .where.not(id: except_line_item_id)
    .joins("INNER JOIN (#{dates_sql}) dates ON dates.date >= spree_line_items.from_date AND dates.date < spree_line_items.to_date")
    .group(:variant_id, :reservation_date)
    .order(:reservation_date)
    .each_with_object({}) do |record, hash|
      hash[record.reservation_date.to_date] = record.available_quantity
    end
end

#date_interval ⇒ Object

override this for product that have different date time interval than 1 day.



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# File 'app/queries/spree_cm_commissioner/variant_availability/permanent_stock_query.rb', line 50

def date_interval
  '1 day'
end