Add functionality to collapse outdated diff comments regardless of discussion resolution

4 files changed, 8 insertions, 3 deletions

diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index 031dd02c6eb..2799fec9cb6 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -119,6 +119,7 @@ module API
       expose :archived?, as: :archived
       expose :visibility
       expose :owner, using: Entities::UserBasic, unless: ->(project, options) { project.group }
+      expose :collapse_outdated_diff_comments
       expose :container_registry_enabled
 
       # Expose old field names with the new permissions methods to keep API compatible
diff --git a/lib/api/projects.rb b/lib/api/projects.rb
index 4845242a173..558eace80f3 100644
--- a/lib/api/projects.rb
+++ b/lib/api/projects.rb
@@ -16,6 +16,7 @@ module API
         optional :jobs_enabled, type: Boolean, desc: 'Flag indication if jobs are enabled'
         optional :snippets_enabled, type: Boolean, desc: 'Flag indication if snippets are enabled'
         optional :shared_runners_enabled, type: Boolean, desc: 'Flag indication if shared runners are enabled for that project'
+        optional :collapse_outdated_diff_comments, type: Boolean, desc: 'Collapse outdated diffs regardless of discussion resolution'
         optional :container_registry_enabled, type: Boolean, desc: 'Flag indication if the container registry is enabled for that project'
         optional :lfs_enabled, type: Boolean, desc: 'Flag indication if Git LFS is enabled for that project'
         optional :visibility, type: String, values: Gitlab::VisibilityLevel.string_values, desc: 'The visibility of the project.'
@@ -236,6 +237,7 @@ module API
         at_least_one_of_ce =
           [
             :jobs_enabled,
+            :collapse_outdated_diff_comments,
             :container_registry_enabled,
             :default_branch,
             :description,
diff --git a/lib/api/v3/entities.rb b/lib/api/v3/entities.rb
index a9a35f2a4bd..c00df7d00de 100644
--- a/lib/api/v3/entities.rb
+++ b/lib/api/v3/entities.rb
@@ -64,6 +64,7 @@ module API
         expose :owner, using: ::API::Entities::UserBasic, unless: ->(project, options) { project.group }
         expose :name, :name_with_namespace
         expose :path, :path_with_namespace
+        expose :collapse_outdated_diff_comments
         expose :container_registry_enabled
 
         # Expose old field names with the new permissions methods to keep API compatible
diff --git a/lib/api/v3/projects.rb b/lib/api/v3/projects.rb
index 449876c10d9..2a8906587ce 100644
--- a/lib/api/v3/projects.rb
+++ b/lib/api/v3/projects.rb
@@ -18,6 +18,7 @@ module API
           optional :builds_enabled, type: Boolean, desc: 'Flag indication if builds are enabled'
           optional :snippets_enabled, type: Boolean, desc: 'Flag indication if snippets are enabled'
           optional :shared_runners_enabled, type: Boolean, desc: 'Flag indication if shared runners are enabled for that project'
+          optional :collapse_outdated_diff_comments, type: Boolean, desc: 'Collapse outdated diffs regardless of discussion resolution'
           optional :container_registry_enabled, type: Boolean, desc: 'Flag indication if the container registry is enabled for that project'
           optional :lfs_enabled, type: Boolean, desc: 'Flag indication if Git LFS is enabled for that project'
           optional :public, type: Boolean, desc: 'Create a public project. The same as visibility_level = 20.'
@@ -296,9 +297,9 @@ module API
           use :optional_params
           at_least_one_of :name, :description, :issues_enabled, :merge_requests_enabled,
             :wiki_enabled, :builds_enabled, :snippets_enabled,
-            :shared_runners_enabled, :container_registry_enabled,
-            :lfs_enabled, :public, :visibility_level, :public_builds,
-            :request_access_enabled, :only_allow_merge_if_build_succeeds,
+            :shared_runners_enabled, :collapse_outdated_diff_comments,
+            :container_registry_enabled, :lfs_enabled, :public, :visibility_level,
+            :public_builds, :request_access_enabled, :only_allow_merge_if_build_succeeds,
             :only_allow_merge_if_all_discussions_are_resolved, :path,
             :default_branch
         end