Does not allow Backlog/Done lists to be moved

parent 5ef567e3
......@@ -7,8 +7,11 @@ module Boards
end
def execute
return false unless list.label?
return false if new_position.blank?
return false if new_position == old_position
return false if new_position == first_position
return false if new_position == last_position
list.with_lock do
reorder_intermediate_lists
......@@ -24,6 +27,14 @@ module Boards
@list ||= board.lists.find(params[:list_id])
end
def first_position
board.lists.first.try(:position)
end
def last_position
board.lists.last.try(:position)
end
def old_position
@old_position ||= list.position
end
......@@ -34,15 +45,23 @@ module Boards
def reorder_intermediate_lists
if old_position < new_position
decrement_intermediate_lists
else
increment_intermediate_lists
end
end
def decrement_intermediate_lists
board.lists.where('position > ?', old_position)
.where('position <= ?', new_position)
.update_all('position = position - 1')
else
end
def increment_intermediate_lists
board.lists.where('position >= ?', new_position)
.where('position < ?', old_position)
.update_all('position = position + 1')
end
end
def update_list_position
list.update_attribute(:position, new_position)
......
......@@ -4,73 +4,81 @@ describe Boards::Lists::MoveService, services: true do
describe '#execute' do
let(:project) { create(:project_with_board) }
let(:board) { project.board }
let!(:list1) { create(:backlog_list, board: board, position: 1) }
let!(:list2) { create(:label_list, board: board, position: 2) }
let!(:list3) { create(:label_list, board: board, position: 3) }
let!(:list4) { create(:label_list, board: board, position: 4) }
let!(:list5) { create(:label_list, board: board, position: 5) }
let!(:list6) { create(:done_list, board: board, position: 6) }
context 'when list type is set to label' do
it 'keeps position of lists when new position is nil' do
list1 = create(:list, board: board, position: 1)
list2 = create(:list, board: board, position: 2)
list3 = create(:list, board: board, position: 3)
list4 = create(:list, board: board, position: 4)
list5 = create(:list, board: board, position: 5)
service = described_class.new(project, { list_id: list2.id, position: nil })
expect(service.execute).to eq false
expect(list1.reload.position).to eq 1
expect(list2.reload.position).to eq 2
expect(list3.reload.position).to eq 3
expect(list4.reload.position).to eq 4
expect(list5.reload.position).to eq 5
service.execute
expect(positions_of_lists).to eq [1, 2, 3, 4, 5, 6]
end
it 'keeps position of lists when new positon is equal to old position' do
list1 = create(:list, board: board, position: 1)
list2 = create(:list, board: board, position: 2)
list3 = create(:list, board: board, position: 3)
list4 = create(:list, board: board, position: 4)
list5 = create(:list, board: board, position: 5)
service = described_class.new(project, { list_id: list2.id, position: 2 })
expect(service.execute).to eq false
expect(list1.reload.position).to eq 1
expect(list2.reload.position).to eq 2
expect(list3.reload.position).to eq 3
expect(list4.reload.position).to eq 4
expect(list5.reload.position).to eq 5
service.execute
expect(positions_of_lists).to eq [1, 2, 3, 4, 5, 6]
end
it 'decrements position of intermediate lists when new position is greater than old position' do
list1 = create(:list, board: board, position: 1)
list2 = create(:list, board: board, position: 2)
list3 = create(:list, board: board, position: 3)
list4 = create(:list, board: board, position: 4)
list5 = create(:list, board: board, position: 5)
it 'keeps position of lists when new positon is equal to first position' do
service = described_class.new(project, { list_id: list3.id, position: 1 })
service.execute
expect(positions_of_lists).to eq [1, 2, 3, 4, 5, 6]
end
it 'keeps position of lists when new positon is equal to last position' do
service = described_class.new(project, { list_id: list3.id, position: 6 })
service.execute
expect(positions_of_lists).to eq [1, 2, 3, 4, 5, 6]
end
it 'decrements position of intermediate lists when new position is greater than old position' do
service = described_class.new(project, { list_id: list2.id, position: 5 })
expect(service.execute).to eq true
expect(list1.reload.position).to eq 1
expect(list2.reload.position).to eq 5
expect(list3.reload.position).to eq 2
expect(list4.reload.position).to eq 3
expect(list5.reload.position).to eq 4
service.execute
expect(positions_of_lists).to eq [1, 5, 2, 3, 4, 6]
end
it 'increments position of intermediate lists when when new position is lower than old position' do
list1 = create(:list, board: board, position: 1)
list2 = create(:list, board: board, position: 2)
list3 = create(:list, board: board, position: 3)
list4 = create(:list, board: board, position: 4)
list5 = create(:list, board: board, position: 5)
service = described_class.new(project, { list_id: list5.id, position: 2 })
expect(service.execute).to eq true
expect(list1.reload.position).to eq 1
expect(list2.reload.position).to eq 3
expect(list3.reload.position).to eq 4
expect(list4.reload.position).to eq 5
expect(list5.reload.position).to eq 2
service.execute
expect(positions_of_lists).to eq [1, 3, 4, 5, 2, 6]
end
end
it 'keeps position of lists when list type is backlog' do
service = described_class.new(project, { list_id: list1.id, position: 2 })
service.execute
expect(positions_of_lists).to eq [1, 2, 3, 4, 5, 6]
end
it 'keeps position of lists when list type is done' do
service = described_class.new(project, { list_id: list6.id, position: 2 })
service.execute
expect(positions_of_lists).to eq [1, 2, 3, 4, 5, 6]
end
end
def positions_of_lists
(1..6).map { |index| send("list#{index}").reload.position }
end
end
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