Merge branch 'revert-2cc01f12' into 'master'

Revert "Merge branch 'sh-optimize-projects-api' into 'master'"

Closes #60315

See merge request gitlab-org/gitlab-ce!27195

(cherry picked from commit 3b163a75b7789c92a001343ebccaac00b645eb8d)

bcfd04a2 Revert "Merge branch 'sh-optimize-projects-api' into 'master'"

2 files changed, 9 insertions, 36 deletions

diff --git a/app/finders/projects_finder.rb b/app/finders/projects_finder.rb
index 0319e95d439..93d3c991846 100644
--- a/app/finders/projects_finder.rb
+++ b/app/finders/projects_finder.rb
@@ -81,7 +81,7 @@ class ProjectsFinder < UnionFinder
       if private_only?
         current_user.authorized_projects
       else
-        Project.public_or_visible_to_user(current_user, params[:visibility_level])
+        Project.public_or_visible_to_user(current_user)
       end
     end
   end
diff --git a/app/models/project.rb b/app/models/project.rb
index e2869fc2ad5..65e8c5b4191 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -459,41 +459,14 @@ class Project < ApplicationRecord
 
   # Returns a collection of projects that is either public or visible to the
   # logged in user.
-  #
-  # requested_visiblity_levels: Normally all projects that are visible
-  # to the user (e.g. internal and public) are queried, but this
-  # parameter allows the caller to narrow the search space to optimize
-  # database queries. For instance, a caller may only want to see
-  # internal projects. Instead of querying for internal and public
-  # projects and throwing away public projects, this parameter allows
-  # the query to be targeted for only internal projects.
-  def self.public_or_visible_to_user(user = nil, requested_visibility_levels = [])
-    return public_to_user unless user
-
-    visible_levels = Gitlab::VisibilityLevel.levels_for_user(user)
-    include_private = true
-    requested_visibility_levels = Array(requested_visibility_levels)
-
-    if requested_visibility_levels.present?
-      visible_levels &= requested_visibility_levels
-      include_private = requested_visibility_levels.include?(Gitlab::VisibilityLevel::PRIVATE)
-    end
-
-    public_or_internal_rel =
-      if visible_levels.present?
-        where('projects.visibility_level IN (?)', visible_levels)
-      else
-        Project.none
-      end
-
-    private_rel =
-      if include_private
-        where('EXISTS (?)', user.authorizations_for_projects)
-      else
-        Project.none
-      end
-
-    public_or_internal_rel.or(private_rel)
+  def self.public_or_visible_to_user(user = nil)
+    if user
+      where('EXISTS (?) OR projects.visibility_level IN (?)',
+            user.authorizations_for_projects,
+            Gitlab::VisibilityLevel.levels_for_user(user))
+    else
+      public_to_user
+    end
   end
 
   # project features may be "disabled", "internal", "enabled" or "public". If "internal",