summaryrefslogtreecommitdiff
path: root/app/models
diff options
context:
space:
mode:
Diffstat (limited to 'app/models')
-rw-r--r--app/models/concerns/group_descendant.rb56
-rw-r--r--app/models/concerns/loaded_in_group_list.rb72
-rw-r--r--app/models/group.rb2
-rw-r--r--app/models/namespace.rb7
-rw-r--r--app/models/project.rb14
5 files changed, 147 insertions, 4 deletions
diff --git a/app/models/concerns/group_descendant.rb b/app/models/concerns/group_descendant.rb
new file mode 100644
index 00000000000..01957da0bf3
--- /dev/null
+++ b/app/models/concerns/group_descendant.rb
@@ -0,0 +1,56 @@
+module GroupDescendant
+ # Returns the hierarchy of a project or group in the from of a hash upto a
+ # given top.
+ #
+ # > project.hierarchy
+ # => { parent_group => { child_group => project } }
+ def hierarchy(hierarchy_top = nil, preloaded = nil)
+ preloaded ||= ancestors_upto(hierarchy_top)
+ expand_hierarchy_for_child(self, self, hierarchy_top, preloaded)
+ end
+
+ # Merges all hierarchies of the given groups or projects into an array of
+ # hashes. All ancestors need to be loaded into the given `descendants` to avoid
+ # queries down the line.
+ #
+ # > GroupDescendant.merge_hierarchy([project, child_group, child_group2, parent])
+ # => { parent => [{ child_group => project}, child_group2] }
+ def self.build_hierarchy(descendants, hierarchy_top = nil)
+ descendants = Array.wrap(descendants).uniq
+ return [] if descendants.empty?
+
+ unless descendants.all? { |hierarchy| hierarchy.is_a?(GroupDescendant) }
+ raise ArgumentError.new('element is not a hierarchy')
+ end
+
+ all_hierarchies = descendants.map do |descendant|
+ descendant.hierarchy(hierarchy_top, descendants)
+ end
+
+ Gitlab::Utils::MergeHash.merge(all_hierarchies)
+ end
+
+ private
+
+ def expand_hierarchy_for_child(child, hierarchy, hierarchy_top, preloaded)
+ parent = hierarchy_top if hierarchy_top && child.parent_id == hierarchy_top.id
+ parent ||= preloaded.detect { |possible_parent| possible_parent.is_a?(Group) && possible_parent.id == child.parent_id }
+
+ if parent.nil? && !child.parent_id.nil?
+ raise ArgumentError.new('parent was not preloaded')
+ end
+
+ if parent.nil? && hierarchy_top.present?
+ raise ArgumentError.new('specified top is not part of the tree')
+ end
+
+ if parent && parent != hierarchy_top
+ expand_hierarchy_for_child(parent,
+ { parent => hierarchy },
+ hierarchy_top,
+ preloaded)
+ else
+ hierarchy
+ end
+ end
+end
diff --git a/app/models/concerns/loaded_in_group_list.rb b/app/models/concerns/loaded_in_group_list.rb
new file mode 100644
index 00000000000..dcb3b2b5ff3
--- /dev/null
+++ b/app/models/concerns/loaded_in_group_list.rb
@@ -0,0 +1,72 @@
+module LoadedInGroupList
+ extend ActiveSupport::Concern
+
+ module ClassMethods
+ def with_counts(archived:)
+ selects_including_counts = [
+ 'namespaces.*',
+ "(#{project_count_sql(archived).to_sql}) AS preloaded_project_count",
+ "(#{member_count_sql.to_sql}) AS preloaded_member_count",
+ "(#{subgroup_count_sql.to_sql}) AS preloaded_subgroup_count"
+ ]
+
+ select(selects_including_counts)
+ end
+
+ def with_selects_for_list(archived: nil)
+ with_route.with_counts(archived: archived)
+ end
+
+ private
+
+ def project_count_sql(archived = nil)
+ projects = Project.arel_table
+ namespaces = Namespace.arel_table
+
+ base_count = projects.project(Arel.star.count.as('preloaded_project_count'))
+ .where(projects[:namespace_id].eq(namespaces[:id]))
+ if archived == 'only'
+ base_count.where(projects[:archived].eq(true))
+ elsif Gitlab::Utils.to_boolean(archived)
+ base_count
+ else
+ base_count.where(projects[:archived].not_eq(true))
+ end
+ end
+
+ def subgroup_count_sql
+ namespaces = Namespace.arel_table
+ children = namespaces.alias('children')
+
+ namespaces.project(Arel.star.count.as('preloaded_subgroup_count'))
+ .from(children)
+ .where(children[:parent_id].eq(namespaces[:id]))
+ end
+
+ def member_count_sql
+ members = Member.arel_table
+ namespaces = Namespace.arel_table
+
+ members.project(Arel.star.count.as('preloaded_member_count'))
+ .where(members[:source_type].eq(Namespace.name))
+ .where(members[:source_id].eq(namespaces[:id]))
+ .where(members[:requested_at].eq(nil))
+ end
+ end
+
+ def children_count
+ @children_count ||= project_count + subgroup_count
+ end
+
+ def project_count
+ @project_count ||= try(:preloaded_project_count) || projects.non_archived.count
+ end
+
+ def subgroup_count
+ @subgroup_count ||= try(:preloaded_subgroup_count) || children.count
+ end
+
+ def member_count
+ @member_count ||= try(:preloaded_member_count) || users.count
+ end
+end
diff --git a/app/models/group.rb b/app/models/group.rb
index e746e4a12c9..07fb62bb249 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -6,6 +6,8 @@ class Group < Namespace
include Avatarable
include Referable
include SelectForProjectAuthorization
+ include LoadedInGroupList
+ include GroupDescendant
has_many :group_members, -> { where(requested_at: nil) }, dependent: :destroy, as: :source # rubocop:disable Cop/ActiveRecordDependent
alias_method :members, :group_members
diff --git a/app/models/namespace.rb b/app/models/namespace.rb
index 4672881e220..0601a61a926 100644
--- a/app/models/namespace.rb
+++ b/app/models/namespace.rb
@@ -162,6 +162,13 @@ class Namespace < ActiveRecord::Base
.base_and_ancestors
end
+ # returns all ancestors upto but excluding the the given namespace
+ # when no namespace is given, all ancestors upto the top are returned
+ def ancestors_upto(top = nil)
+ Gitlab::GroupHierarchy.new(self.class.where(id: id))
+ .ancestors(upto: top)
+ end
+
def self_and_ancestors
return self.class.where(id: id) unless parent_id
diff --git a/app/models/project.rb b/app/models/project.rb
index 57e91ab3b88..6e1cf9e31ee 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -17,6 +17,7 @@ class Project < ActiveRecord::Base
include ProjectFeaturesCompatibility
include SelectForProjectAuthorization
include Routable
+ include GroupDescendant
extend Gitlab::ConfigHelper
extend Gitlab::CurrentSettings
@@ -81,6 +82,8 @@ class Project < ActiveRecord::Base
belongs_to :creator, class_name: 'User'
belongs_to :group, -> { where(type: 'Group') }, foreign_key: 'namespace_id'
belongs_to :namespace
+ alias_method :parent, :namespace
+ alias_attribute :parent_id, :namespace_id
has_one :last_event, -> {order 'events.created_at DESC'}, class_name: 'Event'
has_many :boards, before_add: :validate_board_limit
@@ -479,6 +482,13 @@ class Project < ActiveRecord::Base
end
end
+ # returns all ancestor-groups upto but excluding the given namespace
+ # when no namespace is given, all ancestors upto the top are returned
+ def ancestors_upto(top = nil)
+ Gitlab::GroupHierarchy.new(Group.where(id: namespace_id))
+ .base_and_ancestors(upto: top)
+ end
+
def lfs_enabled?
return namespace.lfs_enabled? if self[:lfs_enabled].nil?
@@ -1549,10 +1559,6 @@ class Project < ActiveRecord::Base
map.public_path_for_source_path(path)
end
- def parent
- namespace
- end
-
def parent_changed?
namespace_id_changed?
end