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authorRitave <olaf.tomalka@gmail.com>2016-11-02 12:58:59 +0100
committerRitave <olaf.tomalka@gmail.com>2017-01-31 12:50:52 +0100
commit5d871dccbee115691ef109dfc857123503869a0e (patch)
tree11a6bab0f1b6b60f6eb789c9503347c6de253569 /app/services/labels
parentb525aff665f139cd12ac5a6df78d722427e759cc (diff)
downloadgitlab-ce-5d871dccbee115691ef109dfc857123503869a0e.tar.gz
Abillity to promote project labels to group labels
Fixes #24021
Diffstat (limited to 'app/services/labels')
-rw-r--r--app/services/labels/promote_service.rb71
1 files changed, 71 insertions, 0 deletions
diff --git a/app/services/labels/promote_service.rb b/app/services/labels/promote_service.rb
new file mode 100644
index 00000000000..76d0ba67b07
--- /dev/null
+++ b/app/services/labels/promote_service.rb
@@ -0,0 +1,71 @@
+module Labels
+ class PromoteService < BaseService
+ BATCH_SIZE = 1000
+
+ def execute(label)
+ return unless project.group &&
+ label.is_a?(ProjectLabel)
+
+ Label.transaction do
+ new_label = clone_label_to_group_label(label)
+
+ label_ids_for_merge(new_label).find_in_batches(batch_size: BATCH_SIZE) do |batched_ids|
+ update_issuables(new_label, batched_ids)
+ update_issue_board_lists(new_label, batched_ids)
+ update_priorities(new_label, batched_ids)
+ # Order is important, project labels need to be last
+ update_project_labels(batched_ids)
+ end
+
+ # We skipped validations during creation. Let's run them now, after deleting conflicting labels
+ raise ActiveRecord::RecordInvalid.new(new_label) unless new_label.valid?
+ new_label
+ end
+ end
+
+ private
+
+ def label_ids_for_merge(new_label)
+ LabelsFinder.
+ new(current_user, title: new_label.title, group_id: project.group.id).
+ execute(skip_authorization: true).
+ where.not(id: new_label).
+ select(:id) # Can't use pluck() to avoid object-creation because of the batching
+ end
+
+ def update_issuables(new_label, label_ids)
+ LabelLink.
+ where(label: label_ids).
+ update_all(label_id: new_label)
+ end
+
+ def update_issue_board_lists(new_label, label_ids)
+ List.
+ where(label: label_ids).
+ update_all(label_id: new_label)
+ end
+
+ def update_priorities(new_label, label_ids)
+ LabelPriority.
+ where(label: label_ids).
+ update_all(label_id: new_label)
+ end
+
+ def update_project_labels(label_ids)
+ Label.where(id: label_ids).delete_all
+ end
+
+ def clone_label_to_group_label(label)
+ params = label.attributes.slice('title', 'description', 'color')
+ # Since the title of the new label has to be the same as the previous labels
+ # and we're merging old labels in batches we'll skip validation to omit 2-step
+ # merge process and do it in one batch
+ # We'll be forcing validation at the end of the transaction to ensure everything
+ # was merged correctly
+ new_label = GroupLabel.new(params.merge(group: project.group))
+ new_label.save(validate: false)
+
+ new_label
+ end
+ end
+end