2件目以上の予約の取り置きが行われないのを修正

app/models/reserve.rb

@@ -5,7 +5,7 @@ class Reserve < ApplicationRecord
   ]
   scope :hold, -> { where.not(item_id: nil) }
   scope :not_hold, -> { where(item_id: nil) }
-  scope :waiting, -> {not_in_state(:completed, :canceled, :expired).where('canceled_at IS NULL AND (expired_at > ? OR expired_at IS NULL)', Time.zone.now).order('reserves.id DESC')}
+  scope :waiting, -> {not_in_state(:completed, :canceled, :expired).where('canceled_at IS NULL AND (expired_at > ? OR expired_at IS NULL)', Time.zone.now)}
   scope :retained, -> {in_state(:retained).where.not(retained_at: nil)}
   scope :completed, -> {in_state(:completed).where.not(checked_out_at: nil)}
   scope :canceled, -> {in_state(:canceled).where.not(canceled_at: nil)}
@@ -162,9 +162,7 @@ def check_expired_at
   end
 
   def next_reservation
-    if item
-      Reserve.waiting.where(manifestation_id: item.manifestation.id).readonly(false).first
-    end
+    Reserve.waiting.where.not(id: id).order(:created_at).find_by(manifestation_id: manifestation_id)
   end
 
   def send_message(sender = nil)

lib/enju_leaf/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module EnjuLeaf
-  VERSION = "1.4.9".freeze
+  VERSION = "1.4.10".freeze
 end

spec/fixtures/reserve_transitions.yml

@@ -88,6 +88,12 @@ reserve_transition_00015:
   reserve_id: 15
   sort_key: 0
   most_recent: true
+reserve_transition_00016:
+  id: 16
+  to_state: requested
+  reserve_id: 16
+  sort_key: 0
+  most_recent: true
 
 # == Schema Information
 #

spec/fixtures/reserves.yml

@@ -112,7 +112,7 @@ reserve_00012:
 reserve_00013: 
   updated_at: 2007-09-03 14:20:07.530854 +09:00
   manifestation_id: 11
-  user_id: 4
+  user_id: 5
   request_status_type_id: 3
   id: 13
   created_at: 2007-09-03 14:20:07.530854 +09:00
@@ -132,12 +132,21 @@ reserve_00014:
 reserve_00015: 
   updated_at: 2007-09-03 14:20:09.530854 +09:00
   manifestation_id: 11
-  user_id: 4
+  user_id: 6
   request_status_type_id: 3
   id: 15
   created_at: 2007-09-03 14:20:09.530854 +09:00
   expired_at: <%= 1.day.from_now.to_s(:db) %>
   lock_version: 0
+reserve_00016: 
+  updated_at: 2007-09-03 14:20:10.530854 +09:00
+  manifestation_id: 11
+  user_id: 2
+  request_status_type_id: 3
+  id: 16
+  created_at: 2007-09-03 14:20:10.530854 +09:00
+  expired_at: <%= 1.day.from_now.to_s(:db) %>
+  lock_version: 0
 
 # == Schema Information
 #

spec/models/reserve_spec.rb

@@ -4,7 +4,11 @@
   fixtures :all
 
   it "should have next reservation" do
-    reserves(:reserve_00014).next_reservation.should be_truthy
+    expect(reserves(:reserve_00014).state_machine.current_state).to eq "retained"
+    expect(reserves(:reserve_00014).next_reservation).to eq reserves(:reserve_00015)
+    reserves(:reserve_00014).transition_to!(:canceled)
+    expect(reserves(:reserve_00015).state_machine.current_state).to eq "retained"
+    expect(reserves(:reserve_00015).next_reservation).to eq reserves(:reserve_00016)
   end
 
   it "should notify a next reservation" do