Add latest changes from gitlab-org/gitlab@13-0-stable-ee

19 files changed, 677 insertions, 5 deletions

diff --git a/app/graphql/resolvers/alert_management/alert_status_counts_resolver.rb b/app/graphql/resolvers/alert_management/alert_status_counts_resolver.rb
new file mode 100644
index 00000000000..7f4346632ca
--- /dev/null
+++ b/app/graphql/resolvers/alert_management/alert_status_counts_resolver.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module Resolvers
+  module AlertManagement
+    class AlertStatusCountsResolver < BaseResolver
+      type Types::AlertManagement::AlertStatusCountsType, null: true
+
+      def resolve(**args)
+        ::Gitlab::AlertManagement::AlertStatusCounts.new(context[:current_user], object, args)
+      end
+    end
+  end
+end
diff --git a/app/graphql/resolvers/alert_management_alert_resolver.rb b/app/graphql/resolvers/alert_management_alert_resolver.rb
new file mode 100644
index 00000000000..51ebbb96476
--- /dev/null
+++ b/app/graphql/resolvers/alert_management_alert_resolver.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+module Resolvers
+  class AlertManagementAlertResolver < BaseResolver
+    argument :iid, GraphQL::STRING_TYPE,
+              required: false,
+              description: 'IID of the alert. For example, "1"'
+
+    argument :statuses, [Types::AlertManagement::StatusEnum],
+              as: :status,
+              required: false,
+              description: 'Alerts with the specified statues. For example, [TRIGGERED]'
+
+    argument :sort, Types::AlertManagement::AlertSortEnum,
+              description: 'Sort alerts by this criteria',
+              required: false
+
+    argument :search, GraphQL::STRING_TYPE,
+              description: 'Search criteria for filtering alerts. This will search on title, description, service, monitoring_tool.',
+              required: false
+
+    type Types::AlertManagement::AlertType, null: true
+
+    def resolve(**args)
+      parent = object.respond_to?(:sync) ? object.sync : object
+      return ::AlertManagement::Alert.none if parent.nil?
+
+      ::AlertManagement::AlertsFinder.new(context[:current_user], parent, args).execute
+    end
+  end
+end
diff --git a/app/graphql/resolvers/board_lists_resolver.rb b/app/graphql/resolvers/board_lists_resolver.rb
new file mode 100644
index 00000000000..f8d62ba86af
--- /dev/null
+++ b/app/graphql/resolvers/board_lists_resolver.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+module Resolvers
+  class BoardListsResolver < BaseResolver
+    include Gitlab::Graphql::Authorize::AuthorizeResource
+
+    type Types::BoardListType, null: true
+
+    alias_method :board, :object
+
+    def resolve(lookahead: nil)
+      authorize!(board)
+
+      lists = board_lists
+
+      if load_preferences?(lookahead)
+        List.preload_preferences_for_user(lists, context[:current_user])
+      end
+
+      Gitlab::Graphql::Pagination::OffsetActiveRecordRelationConnection.new(lists)
+    end
+
+    private
+
+    def board_lists
+      service = Boards::Lists::ListService.new(board.resource_parent, context[:current_user])
+      service.execute(board, create_default_lists: false)
+    end
+
+    def authorized_resource?(board)
+      Ability.allowed?(context[:current_user], :read_list, board)
+    end
+
+    def load_preferences?(lookahead)
+      lookahead&.selection(:edges)&.selection(:node)&.selects?(:collapsed)
+    end
+  end
+end
diff --git a/app/graphql/resolvers/branch_commit_resolver.rb b/app/graphql/resolvers/branch_commit_resolver.rb
new file mode 100644
index 00000000000..11c49e17bc5
--- /dev/null
+++ b/app/graphql/resolvers/branch_commit_resolver.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+module Resolvers
+  class BranchCommitResolver < BaseResolver
+    type Types::CommitType, null: true
+
+    alias_method :branch, :object
+
+    def resolve(**args)
+      return unless branch
+
+      commit = branch.dereferenced_target
+
+      ::Commit.new(commit, context[:branch_project]) if commit
+    end
+  end
+end
diff --git a/app/graphql/resolvers/design_management/design_at_version_resolver.rb b/app/graphql/resolvers/design_management/design_at_version_resolver.rb
new file mode 100644
index 00000000000..fd9b349f974
--- /dev/null
+++ b/app/graphql/resolvers/design_management/design_at_version_resolver.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+module Resolvers
+  module DesignManagement
+    class DesignAtVersionResolver < BaseResolver
+      include Gitlab::Graphql::Authorize::AuthorizeResource
+
+      type Types::DesignManagement::DesignAtVersionType, null: false
+
+      authorize :read_design
+
+      argument :id, GraphQL::ID_TYPE,
+               required: true,
+               description: 'The Global ID of the design at this version'
+
+      def resolve(id:)
+        authorized_find!(id: id)
+      end
+
+      def find_object(id:)
+        dav = GitlabSchema.object_from_id(id, expected_type: ::DesignManagement::DesignAtVersion)
+        return unless consistent?(dav)
+
+        dav
+      end
+
+      def self.single
+        self
+      end
+
+      private
+
+      # If this resolver is mounted on something that has an issue
+      # (such as design collection for instance), then we should check
+      # that the DesignAtVersion as found by its ID does in fact belong
+      # to this issue.
+      def consistent?(dav)
+        issue.nil? || (dav&.design&.issue_id == issue.id)
+      end
+
+      def issue
+        object&.issue
+      end
+    end
+  end
+end
diff --git a/app/graphql/resolvers/design_management/design_resolver.rb b/app/graphql/resolvers/design_management/design_resolver.rb
new file mode 100644
index 00000000000..05bdbbbe407
--- /dev/null
+++ b/app/graphql/resolvers/design_management/design_resolver.rb
@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+module Resolvers
+  module DesignManagement
+    class DesignResolver < BaseResolver
+      argument :id, GraphQL::ID_TYPE,
+               required: false,
+               description: 'Find a design by its ID'
+
+      argument :filename, GraphQL::STRING_TYPE,
+               required: false,
+               description: 'Find a design by its filename'
+
+      def resolve(filename: nil, id: nil)
+        params = parse_args(filename, id)
+
+        build_finder(params).execute.first
+      end
+
+      def self.single
+        self
+      end
+
+      private
+
+      def issue
+        object.issue
+      end
+
+      def build_finder(params)
+        ::DesignManagement::DesignsFinder.new(issue, current_user, params)
+      end
+
+      def error(msg)
+        raise ::Gitlab::Graphql::Errors::ArgumentError, msg
+      end
+
+      def parse_args(filename, id)
+        provided = [filename, id].map(&:present?)
+
+        if provided.none?
+          error('one of id or filename must be passed')
+        elsif provided.all?
+          error('only one of id or filename may be passed')
+        elsif filename.present?
+          { filenames: [filename] }
+        else
+          { ids: [parse_gid(id)] }
+        end
+      end
+
+      def parse_gid(gid)
+        GitlabSchema.parse_gid(gid, expected_type: ::DesignManagement::Design).model_id
+      end
+    end
+  end
+end
diff --git a/app/graphql/resolvers/design_management/designs_resolver.rb b/app/graphql/resolvers/design_management/designs_resolver.rb
new file mode 100644
index 00000000000..81f94d5cb30
--- /dev/null
+++ b/app/graphql/resolvers/design_management/designs_resolver.rb
@@ -0,0 +1,50 @@
+# frozen_string_literal: true
+
+module Resolvers
+  module DesignManagement
+    class DesignsResolver < BaseResolver
+      argument :ids,
+               [GraphQL::ID_TYPE],
+               required: false,
+               description: 'Filters designs by their ID'
+      argument :filenames,
+               [GraphQL::STRING_TYPE],
+               required: false,
+               description: 'Filters designs by their filename'
+      argument :at_version,
+               GraphQL::ID_TYPE,
+               required: false,
+               description: 'Filters designs to only those that existed at the version. ' \
+                            'If argument is omitted or nil then all designs will reflect the latest version'
+
+      def self.single
+        ::Resolvers::DesignManagement::DesignResolver
+      end
+
+      def resolve(ids: nil, filenames: nil, at_version: nil)
+        ::DesignManagement::DesignsFinder.new(
+          issue,
+          current_user,
+          ids: design_ids(ids),
+          filenames: filenames,
+          visible_at_version: version(at_version),
+          order: :id
+        ).execute
+      end
+
+      private
+
+      def version(at_version)
+        GitlabSchema.object_from_id(at_version)&.sync if at_version
+      end
+
+      def design_ids(ids)
+        ids&.map { |id| GlobalID.parse(id).model_id }
+      end
+
+      def issue
+        object.issue
+      end
+    end
+  end
+end
diff --git a/app/graphql/resolvers/design_management/version/design_at_version_resolver.rb b/app/graphql/resolvers/design_management/version/design_at_version_resolver.rb
new file mode 100644
index 00000000000..03f7908780c
--- /dev/null
+++ b/app/graphql/resolvers/design_management/version/design_at_version_resolver.rb
@@ -0,0 +1,95 @@
+# frozen_string_literal: true
+
+module Resolvers
+  module DesignManagement
+    module Version
+      # Resolver for a DesignAtVersion object given an implicit version context
+      class DesignAtVersionResolver < BaseResolver
+        include Gitlab::Graphql::Authorize::AuthorizeResource
+
+        type Types::DesignManagement::DesignAtVersionType, null: true
+
+        authorize :read_design
+
+        argument :id, GraphQL::ID_TYPE,
+                 required: false,
+                 as: :design_at_version_id,
+                 description: 'The ID of the DesignAtVersion'
+        argument :design_id, GraphQL::ID_TYPE,
+                 required: false,
+                 description: 'The ID of a specific design'
+        argument :filename, GraphQL::STRING_TYPE,
+                 required: false,
+                 description: 'The filename of a specific design'
+
+        def self.single
+          self
+        end
+
+        def resolve(design_id: nil, filename: nil, design_at_version_id: nil)
+          validate_arguments(design_id, filename, design_at_version_id)
+
+          return unless Ability.allowed?(current_user, :read_design, issue)
+          return specific_design_at_version(design_at_version_id) if design_at_version_id
+
+          find(design_id, filename).map { |d| make(d) }.first
+        end
+
+        private
+
+        def validate_arguments(design_id, filename, design_at_version_id)
+          args = { filename: filename, id: design_at_version_id, design_id: design_id }
+          passed = args.compact.keys
+
+          return if passed.size == 1
+
+          msg = "Exactly one of #{args.keys.join(', ')} expected, got #{passed}"
+
+          raise Gitlab::Graphql::Errors::ArgumentError, msg
+        end
+
+        def specific_design_at_version(id)
+          dav = GitlabSchema.object_from_id(id, expected_type: ::DesignManagement::DesignAtVersion)
+          return unless consistent?(dav)
+
+          dav
+        end
+
+        # Test that the DAV found by ID actually belongs on this version, and
+        # that it is visible at this version.
+        def consistent?(dav)
+          return false unless dav.present?
+
+          dav.design.issue_id == issue.id &&
+            dav.version.id == version.id &&
+            dav.design.visible_in?(version)
+        end
+
+        def find(id, filename)
+          ids = [parse_design_id(id).model_id] if id
+          filenames = [filename] if filename
+
+          ::DesignManagement::DesignsFinder
+            .new(issue, current_user, ids: ids, filenames: filenames, visible_at_version: version)
+            .execute
+        end
+
+        def parse_design_id(id)
+          GitlabSchema.parse_gid(id, expected_type: ::DesignManagement::Design)
+        end
+
+        def issue
+          version.issue
+        end
+
+        def version
+          object
+        end
+
+        def make(design)
+          ::DesignManagement::DesignAtVersion.new(design: design, version: version)
+        end
+      end
+    end
+  end
+end
diff --git a/app/graphql/resolvers/design_management/version/designs_at_version_resolver.rb b/app/graphql/resolvers/design_management/version/designs_at_version_resolver.rb
new file mode 100644
index 00000000000..5ccb2f3e311
--- /dev/null
+++ b/app/graphql/resolvers/design_management/version/designs_at_version_resolver.rb
@@ -0,0 +1,60 @@
+# frozen_string_literal: true
+
+module Resolvers
+  module DesignManagement
+    module Version
+      # Resolver for DesignAtVersion objects given an implicit version context
+      class DesignsAtVersionResolver < BaseResolver
+        include Gitlab::Graphql::Authorize::AuthorizeResource
+
+        type Types::DesignManagement::DesignAtVersionType, null: true
+
+        authorize :read_design
+
+        argument :ids,
+                 [GraphQL::ID_TYPE],
+                 required: false,
+                 description: 'Filters designs by their ID'
+        argument :filenames,
+                 [GraphQL::STRING_TYPE],
+                 required: false,
+                 description: 'Filters designs by their filename'
+
+        def self.single
+          ::Resolvers::DesignManagement::Version::DesignAtVersionResolver
+        end
+
+        def resolve(ids: nil, filenames: nil)
+          find(ids, filenames).execute.map { |d| make(d) }
+        end
+
+        private
+
+        def find(ids, filenames)
+          ids = ids&.map { |id| parse_design_id(id).model_id }
+
+          ::DesignManagement::DesignsFinder.new(issue, current_user,
+                                                ids: ids,
+                                                filenames: filenames,
+                                                visible_at_version: version)
+        end
+
+        def parse_design_id(id)
+          GitlabSchema.parse_gid(id, expected_type: ::DesignManagement::Design)
+        end
+
+        def issue
+          version.issue
+        end
+
+        def version
+          object
+        end
+
+        def make(design)
+          ::DesignManagement::DesignAtVersion.new(design: design, version: version)
+        end
+      end
+    end
+  end
+end
diff --git a/app/graphql/resolvers/design_management/version_in_collection_resolver.rb b/app/graphql/resolvers/design_management/version_in_collection_resolver.rb
new file mode 100644
index 00000000000..9e729172881
--- /dev/null
+++ b/app/graphql/resolvers/design_management/version_in_collection_resolver.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+module Resolvers
+  module DesignManagement
+    class VersionInCollectionResolver < BaseResolver
+      include Gitlab::Graphql::Authorize::AuthorizeResource
+
+      type Types::DesignManagement::VersionType, null: true
+
+      authorize :read_design
+
+      alias_method :collection, :object
+
+      argument :sha, GraphQL::STRING_TYPE,
+               required: false,
+               description: "The SHA256 of a specific version"
+      argument :id, GraphQL::ID_TYPE,
+               required: false,
+               description: 'The Global ID of the version'
+
+      def resolve(id: nil, sha: nil)
+        check_args(id, sha)
+
+        gid = GitlabSchema.parse_gid(id, expected_type: ::DesignManagement::Version) if id
+
+        ::DesignManagement::VersionsFinder
+          .new(collection, current_user, sha: sha, version_id: gid&.model_id)
+          .execute
+          .first
+      end
+
+      def self.single
+        self
+      end
+
+      private
+
+      def check_args(id, sha)
+        return if id.present? || sha.present?
+
+        raise ::Gitlab::Graphql::Errors::ArgumentError, 'one of id or sha is required'
+      end
+    end
+  end
+end
diff --git a/app/graphql/resolvers/design_management/version_resolver.rb b/app/graphql/resolvers/design_management/version_resolver.rb
new file mode 100644
index 00000000000..b0e0843e6c8
--- /dev/null
+++ b/app/graphql/resolvers/design_management/version_resolver.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+module Resolvers
+  module DesignManagement
+    class VersionResolver < BaseResolver
+      include Gitlab::Graphql::Authorize::AuthorizeResource
+
+      type Types::DesignManagement::VersionType, null: true
+
+      authorize :read_design
+
+      argument :id, GraphQL::ID_TYPE,
+               required: true,
+               description: 'The Global ID of the version'
+
+      def resolve(id:)
+        authorized_find!(id: id)
+      end
+
+      def find_object(id:)
+        GitlabSchema.object_from_id(id, expected_type: ::DesignManagement::Version)
+      end
+    end
+  end
+end
diff --git a/app/graphql/resolvers/design_management/versions_resolver.rb b/app/graphql/resolvers/design_management/versions_resolver.rb
new file mode 100644
index 00000000000..a62258dad5c
--- /dev/null
+++ b/app/graphql/resolvers/design_management/versions_resolver.rb
@@ -0,0 +1,76 @@
+# frozen_string_literal: true
+
+module Resolvers
+  module DesignManagement
+    class VersionsResolver < BaseResolver
+      type Types::DesignManagement::VersionType.connection_type, null: false
+
+      alias_method :design_or_collection, :object
+
+      argument :earlier_or_equal_to_sha, GraphQL::STRING_TYPE,
+               as: :sha,
+               required: false,
+               description: 'The SHA256 of the most recent acceptable version'
+
+      argument :earlier_or_equal_to_id, GraphQL::ID_TYPE,
+               as: :id,
+               required: false,
+               description: 'The Global ID of the most recent acceptable version'
+
+      # This resolver has a custom singular resolver
+      def self.single
+        ::Resolvers::DesignManagement::VersionInCollectionResolver
+      end
+
+      def resolve(parent: nil, id: nil, sha: nil)
+        version = cutoff(parent, id, sha)
+
+        raise ::Gitlab::Graphql::Errors::ResourceNotAvailable, 'cutoff not found' unless version.present?
+
+        if version == :unconstrained
+          find
+        else
+          find(earlier_or_equal_to: version)
+        end
+      end
+
+      private
+
+      # Find the most recent version that the client will accept
+      def cutoff(parent, id, sha)
+        if sha.present? || id.present?
+          specific_version(id, sha)
+        elsif at_version = at_version_arg(parent)
+          by_id(at_version)
+        else
+          :unconstrained
+        end
+      end
+
+      def specific_version(id, sha)
+        gid = GitlabSchema.parse_gid(id, expected_type: ::DesignManagement::Version) if id
+        find(sha: sha, version_id: gid&.model_id).first
+      end
+
+      def find(**params)
+        ::DesignManagement::VersionsFinder
+          .new(design_or_collection, current_user, params)
+          .execute
+      end
+
+      def by_id(id)
+        GitlabSchema.object_from_id(id, expected_type: ::DesignManagement::Version).sync
+      end
+
+      # Find an `at_version` argument passed to a parent node.
+      #
+      # If one is found, then a design collection further up the AST
+      # has been filtered to reflect designs at that version, and so
+      # for consistency we should only present versions up to the given
+      # version here.
+      def at_version_arg(parent)
+        ::Gitlab::Graphql::FindArgumentInParent.find(parent, :at_version, limit_depth: 4)
+      end
+    end
+  end
+end
diff --git a/app/graphql/resolvers/issues_resolver.rb b/app/graphql/resolvers/issues_resolver.rb
index 04da54a6bb6..f103da07666 100644
--- a/app/graphql/resolvers/issues_resolver.rb
+++ b/app/graphql/resolvers/issues_resolver.rb
@@ -52,6 +52,10 @@ module Resolvers
 
     type Types::IssueType, null: true
 
+    NON_STABLE_CURSOR_SORTS = %i[priority_asc priority_desc
+                                 label_priority_asc label_priority_desc
+                                 milestone_due_asc milestone_due_desc].freeze
+
     def resolve(**args)
       # The project could have been loaded in batch by `BatchLoader`.
       # At this point we need the `id` of the project to query for issues, so
@@ -70,7 +74,15 @@ module Resolvers
       args[:iids] ||= [args[:iid]].compact
       args[:attempt_project_search_optimizations] = args[:search].present?
 
-      IssuesFinder.new(context[:current_user], args).execute
+      issues = IssuesFinder.new(context[:current_user], args).execute
+
+      if non_stable_cursor_sort?(args[:sort])
+        # Certain complex sorts are not supported by the stable cursor pagination yet.
+        # In these cases, we use offset pagination, so we return the correct connection.
+        Gitlab::Graphql::Pagination::OffsetActiveRecordRelationConnection.new(issues)
+      else
+        issues
+      end
     end
 
     def self.resolver_complexity(args, child_complexity:)
@@ -79,5 +91,9 @@ module Resolvers
 
       complexity
     end
+
+    def non_stable_cursor_sort?(sort)
+      NON_STABLE_CURSOR_SORTS.include?(sort)
+    end
   end
 end
diff --git a/app/graphql/resolvers/metrics/dashboards/annotation_resolver.rb b/app/graphql/resolvers/metrics/dashboards/annotation_resolver.rb
index 068323a3073..2dd224bb17b 100644
--- a/app/graphql/resolvers/metrics/dashboards/annotation_resolver.rb
+++ b/app/graphql/resolvers/metrics/dashboards/annotation_resolver.rb
@@ -18,7 +18,6 @@ module Resolvers
 
         def resolve(**args)
           return [] unless dashboard
-          return [] unless Feature.enabled?(:metrics_dashboard_annotations, dashboard.environment&.project)
 
           ::Metrics::Dashboards::AnnotationsFinder.new(dashboard: dashboard, params: args).execute
         end
diff --git a/app/graphql/resolvers/milestone_resolver.rb b/app/graphql/resolvers/milestone_resolver.rb
index 2e7b6fdfd5f..6c6513e0ee4 100644
--- a/app/graphql/resolvers/milestone_resolver.rb
+++ b/app/graphql/resolvers/milestone_resolver.rb
@@ -9,6 +9,10 @@ module Resolvers
               required: false,
               description: 'Filter milestones by state'
 
+    argument :include_descendants, GraphQL::BOOLEAN_TYPE,
+              required: false,
+              description: 'Return also milestones in all subgroups and subprojects'
+
     type Types::MilestoneType, null: true
 
     def resolve(**args)
@@ -26,16 +30,16 @@ module Resolvers
         state: args[:state] || 'all',
         start_date: args[:start_date],
         end_date: args[:end_date]
-      }.merge(parent_id_parameter)
+      }.merge(parent_id_parameter(args))
     end
 
     def parent
       @parent ||= object.respond_to?(:sync) ? object.sync : object
     end
 
-    def parent_id_parameter
+    def parent_id_parameter(args)
       if parent.is_a?(Group)
-        { group_ids: parent.id }
+        group_parameters(args)
       elsif parent.is_a?(Project)
         { project_ids: parent.id }
       end
@@ -46,5 +50,26 @@ module Resolvers
     def authorize!
       Ability.allowed?(context[:current_user], :read_milestone, parent) || raise_resource_not_available_error!
     end
+
+    def group_parameters(args)
+      return { group_ids: parent.id } unless include_descendants?(args)
+
+      {
+        group_ids: parent.self_and_descendants.public_or_visible_to_user(current_user).select(:id),
+        project_ids: group_projects.with_issues_or_mrs_available_for_user(current_user)
+      }
+    end
+
+    def include_descendants?(args)
+      args[:include_descendants].present? && Feature.enabled?(:group_milestone_descendants, parent)
+    end
+
+    def group_projects
+      GroupProjectsFinder.new(
+        group: parent,
+        current_user: current_user,
+        options: { include_subgroups: true }
+      ).execute
+    end
   end
 end
diff --git a/app/graphql/resolvers/namespace_projects_resolver.rb b/app/graphql/resolvers/namespace_projects_resolver.rb
index f5b60f91be6..e841132eea7 100644
--- a/app/graphql/resolvers/namespace_projects_resolver.rb
+++ b/app/graphql/resolvers/namespace_projects_resolver.rb
@@ -29,3 +29,5 @@ module Resolvers
     end
   end
 end
+
+Resolvers::NamespaceProjectsResolver.prepend_if_ee('::EE::Resolvers::NamespaceProjectsResolver')
diff --git a/app/graphql/resolvers/projects_resolver.rb b/app/graphql/resolvers/projects_resolver.rb
new file mode 100644
index 00000000000..068546cd39f
--- /dev/null
+++ b/app/graphql/resolvers/projects_resolver.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+module Resolvers
+  class ProjectsResolver < BaseResolver
+    type Types::ProjectType, null: true
+
+    argument :membership, GraphQL::BOOLEAN_TYPE,
+             required: false,
+             description: 'Limit projects that the current user is a member of'
+
+    argument :search, GraphQL::STRING_TYPE,
+             required: false,
+             description: 'Search criteria'
+
+    def resolve(**args)
+      ProjectsFinder
+        .new(current_user: current_user, params: project_finder_params(args))
+        .execute
+    end
+
+    private
+
+    def project_finder_params(params)
+      {
+        without_deleted: true,
+        non_public: params[:membership],
+        search: params[:search]
+      }.compact
+    end
+  end
+end
diff --git a/app/graphql/resolvers/release_resolver.rb b/app/graphql/resolvers/release_resolver.rb
new file mode 100644
index 00000000000..9bae8b8cd13
--- /dev/null
+++ b/app/graphql/resolvers/release_resolver.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+module Resolvers
+  class ReleaseResolver < BaseResolver
+    type Types::ReleaseType, null: true
+
+    argument :tag_name, GraphQL::STRING_TYPE,
+            required: true,
+            description: 'The name of the tag associated to the release'
+
+    alias_method :project, :object
+
+    def self.single
+      self
+    end
+
+    def resolve(tag_name:)
+      ReleasesFinder.new(
+        project,
+        current_user,
+        { tag: tag_name }
+      ).execute.first
+    end
+  end
+end
diff --git a/app/graphql/resolvers/releases_resolver.rb b/app/graphql/resolvers/releases_resolver.rb
new file mode 100644
index 00000000000..b2afbb92684
--- /dev/null
+++ b/app/graphql/resolvers/releases_resolver.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+module Resolvers
+  class ReleasesResolver < BaseResolver
+    type Types::ReleaseType.connection_type, null: true
+
+    alias_method :project, :object
+
+    # This resolver has a custom singular resolver
+    def self.single
+      Resolvers::ReleaseResolver
+    end
+
+    def resolve(**args)
+      ReleasesFinder.new(
+        project,
+        current_user
+      ).execute
+    end
+  end
+end