1 files changed, 0 insertions, 88 deletions
diff --git a/app/models/merge_request/pipelines.rb b/app/models/merge_request/pipelines.rb
deleted file mode 100644
index 72756e8e9d0..00000000000
--- a/app/models/merge_request/pipelines.rb
+++ /dev/null
@@ -1,88 +0,0 @@
-# frozen_string_literal: true
-
-# A state object to centralize logic related to merge request pipelines
-class MergeRequest::Pipelines
-  include Gitlab::Utils::StrongMemoize
-
-  EVENT = 'merge_request_event'
-
-  def initialize(merge_request)
-    @merge_request = merge_request
-  end
-
-  attr_reader :merge_request
-
-  delegate :commit_shas, :source_project, :source_branch, to: :merge_request
-
-  def all
-    strong_memoize(:all_pipelines) do
-      next Ci::Pipeline.none unless source_project
-
-      pipelines =
-        if merge_request.persisted?
-          pipelines_using_cte
-        else
-          triggered_for_branch.for_sha(commit_shas)
-        end
-
-      sort(pipelines)
-    end
-  end
-
-  private
-
-  def pipelines_using_cte
-    cte = Gitlab::SQL::CTE.new(:shas, merge_request.all_commits.select(:sha))
-
-    source_pipelines_join = cte.table[:sha].eq(Ci::Pipeline.arel_table[:source_sha])
-    source_pipelines = filter_by(triggered_by_merge_request, cte, source_pipelines_join)
-    detached_pipelines = filter_by_sha(triggered_by_merge_request, cte)
-    pipelines_for_branch = filter_by_sha(triggered_for_branch, cte)
-
-    Ci::Pipeline.with(cte.to_arel)
-      .from_union([source_pipelines, detached_pipelines, pipelines_for_branch])
-  end
-
-  def filter_by_sha(pipelines, cte)
-    hex = Arel::Nodes::SqlLiteral.new("'hex'")
-    string_sha = Arel::Nodes::NamedFunction.new('encode', [cte.table[:sha], hex])
-    join_condition = string_sha.eq(Ci::Pipeline.arel_table[:sha])
-
-    filter_by(pipelines, cte, join_condition)
-  end
-
-  def filter_by(pipelines, cte, join_condition)
-    shas_table =
-      Ci::Pipeline.arel_table
-        .join(cte.table, Arel::Nodes::InnerJoin)
-        .on(join_condition)
-        .join_sources
-
-    pipelines.joins(shas_table)
-  end
-
-  # NOTE: this method returns only parent merge request pipelines.
-  # Child merge request pipelines have a different source.
-  def triggered_by_merge_request
-    source_project.ci_pipelines
-      .where(source: :merge_request_event, merge_request: merge_request)
-  end
-
-  def triggered_for_branch
-    source_project.ci_pipelines
-      .where(source: branch_pipeline_sources, ref: source_branch, tag: false)
-  end
-
-  def branch_pipeline_sources
-    strong_memoize(:branch_pipeline_sources) do
-      Ci::Pipeline.sources.reject { |source| source == EVENT }.values
-    end
-  end
-
-  def sort(pipelines)
-    sql = 'CASE ci_pipelines.source WHEN (?) THEN 0 ELSE 1 END, ci_pipelines.id DESC'
-    query = ApplicationRecord.send(:sanitize_sql_array, [sql, Ci::Pipeline.sources[:merge_request_event]]) # rubocop:disable GitlabSecurity/PublicSend
-
-    pipelines.order(Arel.sql(query))
-  end
-end