Add pipeline lists to GraphQL

This adds Keyset pagination to GraphQL lists. PoC for that is
pipelines on merge requests and projects.

When paginating a list, the base-64 encoded id of the ordering
field (in most cases the primary key) can be passed in the `before` or
`after` GraphQL argument.

1 files changed, 31 insertions, 0 deletions

diff --git a/app/graphql/types/ci/pipeline_type.rb b/app/graphql/types/ci/pipeline_type.rb
new file mode 100644
index 00000000000..bbb7d9354d0
--- /dev/null
+++ b/app/graphql/types/ci/pipeline_type.rb
@@ -0,0 +1,31 @@
+module Types
+  module Ci
+    class PipelineType < BaseObject
+      expose_permissions Types::PermissionTypes::Ci::Pipeline
+
+      graphql_name 'Pipeline'
+
+      field :id, GraphQL::ID_TYPE, null: false
+      field :iid, GraphQL::ID_TYPE, null: false
+
+      field :sha, GraphQL::STRING_TYPE, null: false
+      field :before_sha, GraphQL::STRING_TYPE, null: true
+      field :status, PipelineStatusEnum, null: false
+      field :duration,
+            GraphQL::INT_TYPE,
+            null: true,
+            description: "Duration of the pipeline in seconds"
+      field :coverage,
+            GraphQL::FLOAT_TYPE,
+            null: true,
+            description: "Coverage percentage"
+      field :created_at, Types::TimeType, null: false
+      field :updated_at, Types::TimeType, null: false
+      field :started_at, Types::TimeType, null: true
+      field :finished_at, Types::TimeType, null: true
+      field :committed_at, Types::TimeType, null: true
+
+      # TODO: Add triggering user as a type
+    end
+  end
+end