1 files changed, 0 insertions, 171 deletions
diff --git a/app/models/merge_request_diff.rb b/app/models/merge_request_diff.rb
deleted file mode 100644
index acac1ca4cf7..00000000000
--- a/app/models/merge_request_diff.rb
+++ /dev/null
@@ -1,171 +0,0 @@
-# == Schema Information
-#
-# Table name: merge_request_diffs
-#
-#  id               :integer          not null, primary key
-#  state            :string(255)
-#  st_commits       :text
-#  st_diffs         :text
-#  merge_request_id :integer          not null
-#  created_at       :datetime
-#  updated_at       :datetime
-#
-
-require Rails.root.join("app/models/commit")
-
-class MergeRequestDiff < ActiveRecord::Base
-  include Sortable
-
-  # Prevent store of diff
-  # if commits amount more then 200
-  COMMITS_SAFE_SIZE = 200
-
-  attr_reader :commits, :diffs
-
-  belongs_to :merge_request
-
-  delegate :target_branch, :source_branch, to: :merge_request, prefix: nil
-
-  state_machine :state, initial: :empty do
-    state :collected
-    state :timeout
-    state :overflow_commits_safe_size
-    state :overflow_diff_files_limit
-    state :overflow_diff_lines_limit
-  end
-
-  serialize :st_commits
-  serialize :st_diffs
-
-  after_create :reload_content
-
-  def reload_content
-    reload_commits
-    reload_diffs
-  end
-
-  def diffs
-    @diffs ||= (load_diffs(st_diffs) || [])
-  end
-
-  def commits
-    @commits ||= load_commits(st_commits || [])
-  end
-
-  def last_commit
-    commits.first
-  end
-
-  def last_commit_short_sha
-    @last_commit_short_sha ||= last_commit.short_id
-  end
-
-  private
-
-  def dump_commits(commits)
-    commits.map(&:to_hash)
-  end
-
-  def load_commits(array)
-    array.map { |hash| Commit.new(Gitlab::Git::Commit.new(hash)) }
-  end
-
-  def dump_diffs(diffs)
-    if diffs.respond_to?(:map)
-      diffs.map(&:to_hash)
-    end
-  end
-
-  def load_diffs(raw)
-    if raw.respond_to?(:map)
-      raw.map { |hash| Gitlab::Git::Diff.new(hash) }
-    end
-  end
-
-  # Collect array of Git::Commit objects
-  # between target and source branches
-  def unmerged_commits
-    commits = compare_result.commits
-
-    if commits.present?
-      commits = Commit.decorate(commits).
-        sort_by(&:created_at).
-        reverse
-    end
-
-    commits
-  end
-
-  # Reload all commits related to current merge request from repo
-  # and save it as array of hashes in st_commits db field
-  def reload_commits
-    commit_objects = unmerged_commits
-
-    if commit_objects.present?
-      self.st_commits = dump_commits(commit_objects)
-    end
-
-    save
-  end
-
-  # Reload diffs between branches related to current merge request from repo
-  # and save it as array of hashes in st_diffs db field
-  def reload_diffs
-    new_diffs = []
-
-    if commits.size.zero?
-      self.state = :empty
-    elsif commits.size > COMMITS_SAFE_SIZE
-      self.state = :overflow_commits_safe_size
-    else
-      new_diffs = unmerged_diffs
-    end
-
-    if new_diffs.any?
-      if new_diffs.size > Commit::DIFF_HARD_LIMIT_FILES
-        self.state = :overflow_diff_files_limit
-        new_diffs = []
-      end
-
-      if new_diffs.sum { |diff| diff.diff.lines.count } > Commit::DIFF_HARD_LIMIT_LINES
-        self.state = :overflow_diff_lines_limit
-        new_diffs = []
-      end
-    end
-
-    if new_diffs.present?
-      new_diffs = dump_commits(new_diffs)
-      self.state = :collected
-    end
-
-    self.st_diffs = new_diffs
-    self.save
-  end
-
-  # Collect array of Git::Diff objects
-  # between target and source branches
-  def unmerged_diffs
-    diffs = compare_result.diffs
-    diffs ||= []
-    diffs
-  rescue Gitlab::Git::Diff::TimeoutError => ex
-    self.state = :timeout
-    diffs = []
-  end
-
-  def repository
-    merge_request.target_project.repository
-  end
-
-  private
-
-  def compare_result
-    @compare_result ||= CompareService.new.execute(
-      merge_request.author,
-      merge_request.source_project,
-      merge_request.source_branch,
-      merge_request.target_project,
-      merge_request.target_branch,
-    )
-  end
-end