Class: SpreeCmCommissioner::Seats::BlocksReserver

Inherits:
Object
  • Object
show all
Defined in:
app/models/spree_cm_commissioner/seats/blocks_reserver.rb

Instance Method Summary collapse

Constructor Details

#initialize(line_item_ids:, reserve_by: nil) ⇒ BlocksReserver

Returns a new instance of BlocksReserver.



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# File 'app/models/spree_cm_commissioner/seats/blocks_reserver.rb', line 4

def initialize(line_item_ids:, reserve_by: nil)
  @line_item_ids = line_item_ids
  @reserve_by = reserve_by
end

Instance Method Details

#reserve_blocks! ⇒ Object

Mark blocks as reserved for the given line items.

It ensures:

  • Raises an error if already reserved by same guest or other guest.

  • Raises an error if currently on_hold by someone else.

  • Otherwise, proceeds to reserve the given blocks.



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# File 'app/models/spree_cm_commissioner/seats/blocks_reserver.rb', line 15

def reserve_blocks!
  line_items = Spree::LineItem.where(id: @line_item_ids).includes(:inventory_items, guests_with_blocks: :block)
  guests_with_blocks = line_items.flat_map(&:guests_with_blocks).compact
  inventory_items = line_items.flat_map(&:inventory_items).compact

  ActiveRecord::Base.transaction do
    guests_with_blocks.each do |guest|
      inventory_items.each do |inventory_item|
        reserve_specific_block!(inventory_item, guest)
      end
    end
  end
end

#reserve_specific_block!(inventory_item, guest) ⇒ Object

Raises:

  • (Errors::BlocksAreReservedByOtherGuest) 


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# File 'app/models/spree_cm_commissioner/seats/blocks_reserver.rb', line 29

def reserve_specific_block!(inventory_item, guest)
  reserved_block = SpreeCmCommissioner::ReservedBlock.find_or_initialize_by(inventory_item_id: inventory_item.id, block_id: guest.block_id)

  raise Errors::BlocksAreReservedByOtherGuest if reserved_block.reserved? && reserved_block.guest_id != guest.id
  raise Errors::BlocksAreReservedBySameGuest if reserved_block.reserved? && reserved_block.guest_id == guest.id
  raise Errors::BlocksAreOnHoldByOtherGuest if reserved_block.active_on_hold? && reserved_block.guest_id != guest.id

  # mark the block as reserved if not on_hold or lock by anyone but already expired
  reserved_block.assign_attributes(
    guest: guest,
    status: :reserved,
    expired_at: nil,
    inventory_date: inventory_item.inventory_date,
    updated_by: @reserve_by
  )

  raise Errors::UnableToSaveReservedBlockRecord unless reserved_block.save
end