Add board_move slash command

3 files changed, 24 insertions, 1 deletions

diff --git a/app/models/label.rb b/app/models/label.rb
index d8b0e250732..ddddb6bdf8f 100644
--- a/app/models/label.rb
+++ b/app/models/label.rb
@@ -34,6 +34,7 @@ class Label < ActiveRecord::Base
 
   scope :templates, -> { where(template: true) }
   scope :with_title, ->(title) { where(title: title) }
+  scope :on_project_boards, ->(project_id) { joins(lists: :board).merge(List.movable).where(boards: { project_id: project_id }) }
 
   def self.prioritized(project)
     joins(:priorities)
diff --git a/app/services/boards/issues/move_service.rb b/app/services/boards/issues/move_service.rb
index d5735f13c1e..e73b1a4361a 100644
--- a/app/services/boards/issues/move_service.rb
+++ b/app/services/boards/issues/move_service.rb
@@ -61,7 +61,7 @@ module Boards
           if moving_to_list.movable?
             moving_from_list.label_id
           else
-            project.boards.joins(:lists).merge(List.movable).pluck(:label_id)
+            Label.on_project_boards(project.id).pluck(:label_id)
           end
 
         Array(label_ids).compact
diff --git a/app/services/slash_commands/interpret_service.rb b/app/services/slash_commands/interpret_service.rb
index 49d45ec9dbd..6aeebc26685 100644
--- a/app/services/slash_commands/interpret_service.rb
+++ b/app/services/slash_commands/interpret_service.rb
@@ -330,6 +330,28 @@ module SlashCommands
       @updates[:target_branch] = branch_name if project.repository.branch_names.include?(branch_name)
     end
 
+    desc 'Move issue from one column of the board to another'
+    params '~"Target column"'
+    condition do
+      issuable.is_a?(Issue) &&
+        current_user.can?(:"update_#{issuable.to_ability_name}", issuable) &&
+        issuable.project.boards.count == 1
+    end
+    command :board_move do |target_list_name|
+      label_ids = find_label_ids(target_list_name)
+
+      if label_ids.size == 1
+        label_id = label_ids.first
+
+        # Ensure this label corresponds to a list on the board
+        next unless Label.on_project_boards(issuable.project_id).where(id: label_id).exists?
+
+        @updates[:remove_label_ids] =
+          issuable.labels.on_project_boards(issuable.project_id).where.not(id: label_id).pluck(:id)
+        @updates[:add_label_ids] = [label_id]
+      end
+    end
+
     def find_label_ids(labels_param)
       label_ids_by_reference = extract_references(labels_param, :label).map(&:id)
       labels_ids_by_name = LabelsFinder.new(current_user, project_id: project.id, name: labels_param.split).execute.select(:id)