Commit 8f359ea9 authored by Paco Guzman's avatar Paco Guzman

Move to Gitlab::Diff::FileCollection

Instead calling diff_collection.count use diff_collection.size which is cache on the diff_collection
parent cd7c2cb6
...@@ -28,7 +28,7 @@ class Projects::CommitController < Projects::ApplicationController ...@@ -28,7 +28,7 @@ class Projects::CommitController < Projects::ApplicationController
end end
def diff_for_path def diff_for_path
render_diff_for_path(SafeDiffs::Commit.new(@commit, diff_options: diff_options)) render_diff_for_path(@commit.diff_file_collection(diff_options))
end end
def builds def builds
...@@ -110,7 +110,7 @@ class Projects::CommitController < Projects::ApplicationController ...@@ -110,7 +110,7 @@ class Projects::CommitController < Projects::ApplicationController
opts = diff_options opts = diff_options
opts[:ignore_whitespace_change] = true if params[:format] == 'diff' opts[:ignore_whitespace_change] = true if params[:format] == 'diff'
@diffs = SafeDiffs::Commit.new(commit, diff_options: opts) @diffs = commit.diff_file_collection(opts)
@notes_count = commit.notes.count @notes_count = commit.notes.count
end end
......
...@@ -21,7 +21,7 @@ class Projects::CompareController < Projects::ApplicationController ...@@ -21,7 +21,7 @@ class Projects::CompareController < Projects::ApplicationController
def diff_for_path def diff_for_path
return render_404 unless @compare return render_404 unless @compare
render_diff_for_path(SafeDiffs::Compare.new(@compare, project: @project, diff_options: diff_options)) render_diff_for_path(Compare.decorate(@compare, @project).diff_file_collection(diff_options: diff_options))
end end
def create def create
...@@ -51,7 +51,7 @@ class Projects::CompareController < Projects::ApplicationController ...@@ -51,7 +51,7 @@ class Projects::CompareController < Projects::ApplicationController
start_sha: @start_commit.try(:sha), start_sha: @start_commit.try(:sha),
head_sha: @commit.try(:sha) head_sha: @commit.try(:sha)
) )
@diffs = SafeDiffs::Compare.new(@compare, project: @project, diff_options: diff_options, diff_refs: diff_refs) @diffs = Compare.decorate(@compare, @project).diff_file_collection(diff_options: diff_options, diff_refs: diff_refs)
@diff_notes_disabled = true @diff_notes_disabled = true
@grouped_diff_discussions = {} @grouped_diff_discussions = {}
......
...@@ -85,7 +85,11 @@ class Projects::MergeRequestsController < Projects::ApplicationController ...@@ -85,7 +85,11 @@ class Projects::MergeRequestsController < Projects::ApplicationController
respond_to do |format| respond_to do |format|
format.html { define_discussion_vars } format.html { define_discussion_vars }
format.json { render json: { html: view_to_html_string("projects/merge_requests/show/_diffs") } } format.json do
@diffs = @merge_request.diff_file_collection(diff_options) if @merge_request_diff.collected?
render json: { html: view_to_html_string("projects/merge_requests/show/_diffs") }
end
end end
end end
...@@ -104,7 +108,7 @@ class Projects::MergeRequestsController < Projects::ApplicationController ...@@ -104,7 +108,7 @@ class Projects::MergeRequestsController < Projects::ApplicationController
define_commit_vars define_commit_vars
render_diff_for_path(SafeDiffs::MergeRequest.new(merge_request, diff_options: diff_options)) render_diff_for_path(@merge_request.diff_file_collection(diff_options))
end end
def commits def commits
...@@ -153,10 +157,10 @@ class Projects::MergeRequestsController < Projects::ApplicationController ...@@ -153,10 +157,10 @@ class Projects::MergeRequestsController < Projects::ApplicationController
@commit = @merge_request.diff_head_commit @commit = @merge_request.diff_head_commit
@base_commit = @merge_request.diff_base_commit @base_commit = @merge_request.diff_base_commit
if @merge_request.compare if @merge_request.compare
@diffs = SafeDiffs::Compare.new(@merge_request.compare, @diffs = Compare.decorate(@merge_request.compare, @project).diff_file_collection(
project: @merge_request.project, diff_options: diff_options,
diff_refs: @merge_request.diff_refs, diff_refs: @merge_request.diff_refs
diff_options: diff_options) )
end end
@diff_notes_disabled = true @diff_notes_disabled = true
......
...@@ -23,7 +23,7 @@ module DiffHelper ...@@ -23,7 +23,7 @@ module DiffHelper
end end
def diff_options def diff_options
options = SafeDiffs.default_options.merge( options = Gitlab::Diff::FileCollection.default_options.merge(
ignore_whitespace_change: hide_whitespace?, ignore_whitespace_change: hide_whitespace?,
no_collapse: expand_all_diffs? no_collapse: expand_all_diffs?
) )
......
...@@ -317,6 +317,10 @@ class Commit ...@@ -317,6 +317,10 @@ class Commit
nil nil
end end
def diff_file_collection(diff_options)
Gitlab::Diff::FileCollection::Commit.new(self, diff_options: diff_options)
end
private private
def find_author_by_any_email def find_author_by_any_email
......
class Compare
delegate :commits, :same, :head, :base, to: :@compare
def self.decorate(compare, project)
if compare.is_a?(Compare)
compare
else
self.new(compare, project)
end
end
def initialize(compare, project)
@compare = compare
@project = project
end
def diff_file_collection(diff_options:, diff_refs: nil)
Gitlab::Diff::FileCollection::Compare.new(@compare,
project: @project,
diff_options: diff_options,
diff_refs: diff_refs)
end
end
...@@ -168,6 +168,10 @@ class MergeRequest < ActiveRecord::Base ...@@ -168,6 +168,10 @@ class MergeRequest < ActiveRecord::Base
merge_request_diff ? merge_request_diff.diffs(*args) : compare.diffs(*args) merge_request_diff ? merge_request_diff.diffs(*args) : compare.diffs(*args)
end end
def diff_file_collection(diff_options)
Gitlab::Diff::FileCollection::MergeRequest.new(self, diff_options: diff_options)
end
def diff_size def diff_size
merge_request_diff.size merge_request_diff.size
end end
......
module SafeDiffs
def self.default_options
::Commit.max_diff_options.merge(ignore_whitespace_change: false, no_collapse: false)
end
end
module SafeDiffs
class Base
attr_reader :project, :diff_options, :diff_view, :diff_refs
delegate :count, :real_size, to: :diff_files
def initialize(diffs, project:, diff_options:, diff_refs: nil)
@diffs = diffs
@project = project
@diff_options = diff_options
@diff_refs = diff_refs
end
def diff_files
@diff_files ||= begin
diffs = @diffs.decorate! do |diff|
Gitlab::Diff::File.new(diff, diff_refs: @diff_refs, repository: @project.repository)
end
highlight!(diffs)
diffs
end
end
private
def highlight!(diff_files)
if cacheable?
cache_highlight!(diff_files)
else
diff_files.each { |diff_file| highlight_diff_file!(diff_file) }
end
end
def cacheable?
false
end
def cache_highlight!
raise NotImplementedError
end
def highlight_diff_file_from_cache!(diff_file, cache_diff_lines)
diff_file.diff_lines = cache_diff_lines.map do |line|
Gitlab::Diff::Line.init_from_hash(line)
end
end
def highlight_diff_file!(diff_file)
diff_file.diff_lines = Gitlab::Diff::Highlight.new(diff_file, repository: diff_file.repository).highlight
diff_file.highlighted_diff_lines = diff_file.diff_lines # To be used on parallel diff
diff_file
end
end
end
module SafeDiffs
class Commit < Base
def initialize(commit, diff_options:)
super(commit.diffs(diff_options),
project: commit.project,
diff_options: diff_options,
diff_refs: commit.diff_refs)
end
end
end
module SafeDiffs
class Compare < Base
def initialize(compare, project:, diff_options:, diff_refs: nil)
super(compare.diffs(diff_options),
project: project,
diff_options: diff_options,
diff_refs: diff_refs)
end
end
end
module SafeDiffs
class MergeRequest < Base
def initialize(merge_request, diff_options:)
@merge_request = merge_request
super(merge_request.diffs(diff_options),
project: merge_request.project,
diff_options: diff_options,
diff_refs: merge_request.diff_refs)
end
private
#
# If we find the highlighted diff files lines on the cache we replace existing diff_files lines (no highlighted)
# for the highlighted ones, so we just skip their execution.
# If the highlighted diff files lines are not cached we calculate and cache them.
#
# The content of the cache is and Hash where the key correspond to the file_path and the values are Arrays of
# hashes than represent serialized diff lines.
#
def cache_highlight!(diff_files)
highlighted_cache = Rails.cache.read(cache_key) || {}
highlighted_cache_was_empty = highlighted_cache.empty?
diff_files.each do |diff_file|
file_path = diff_file.file_path
if highlighted_cache[file_path]
highlight_diff_file_from_cache!(diff_file, highlighted_cache[file_path])
else
highlight_diff_file!(diff_file)
highlighted_cache[file_path] = diff_file.diff_lines.map(&:to_hash)
end
end
if highlighted_cache_was_empty
Rails.cache.write(cache_key, highlighted_cache)
end
diff_files
end
def cacheable?
@merge_request.merge_request_diff.present?
end
def cache_key
[@merge_request.merge_request_diff, 'highlighted-safe-diff-files', diff_options]
end
end
end
...@@ -2,7 +2,7 @@ module MergeRequests ...@@ -2,7 +2,7 @@ module MergeRequests
class MergeRequestDiffCacheService class MergeRequestDiffCacheService
def execute(merge_request) def execute(merge_request)
# Executing the iteration we cache all the highlighted diff information # Executing the iteration we cache all the highlighted diff information
SafeDiffs::MergeRequest.new(merge_request, diff_options: SafeDiffs.default_options).diff_files.to_a merge_request.diff_file_collection(Gitlab::Diff::FileCollection.default_options).diff_files.to_a
end end
end end
end end
...@@ -75,7 +75,7 @@ ...@@ -75,7 +75,7 @@
- blob = diff_file.blob - blob = diff_file.blob
- if blob && blob.respond_to?(:text?) && blob_text_viewable?(blob) - if blob && blob.respond_to?(:text?) && blob_text_viewable?(blob)
%table.code.white %table.code.white
- diff_file.diff_lines.each do |line| - diff_file.highlighted_diff_lines.each do |line|
= render "projects/diffs/line", line: line, diff_file: diff_file, plain: true = render "projects/diffs/line", line: line, diff_file: diff_file, plain: true
- else - else
No preview for this file type No preview for this file type
......
...@@ -2,7 +2,7 @@ ...@@ -2,7 +2,7 @@
= nav_link(path: 'commit#show') do = nav_link(path: 'commit#show') do
= link_to namespace_project_commit_path(@project.namespace, @project, @commit.id) do = link_to namespace_project_commit_path(@project.namespace, @project, @commit.id) do
Changes Changes
%span.badge= @diffs.count %span.badge= @diffs.size
= nav_link(path: 'commit#builds') do = nav_link(path: 'commit#builds') do
= link_to builds_namespace_project_commit_path(@project.namespace, @project, @commit.id) do = link_to builds_namespace_project_commit_path(@project.namespace, @project, @commit.id) do
Builds Builds
......
...@@ -5,7 +5,7 @@ ...@@ -5,7 +5,7 @@
%table.text-file.code.js-syntax-highlight{ data: diff_view_data, class: too_big ? 'hide' : '' } %table.text-file.code.js-syntax-highlight{ data: diff_view_data, class: too_big ? 'hide' : '' }
- last_line = 0 - last_line = 0
- diff_file.diff_lines.each do |line| - diff_file.highlighted_diff_lines.each do |line|
- last_line = line.new_pos - last_line = line.new_pos
= render "projects/diffs/line", line: line, diff_file: diff_file = render "projects/diffs/line", line: line, diff_file: diff_file
......
- if @merge_request_diff.collected? - if @merge_request_diff.collected?
- diffs = SafeDiffs::MergeRequest.new(@merge_request, diff_options: diff_options) = render "projects/diffs/diffs", diff_files: @diffs.diff_files,
= render "projects/diffs/diffs", diff_files: diffs.diff_files, diff_refs: @diffs.diff_refs, project: @diffs.project
diff_refs: diffs.diff_refs, project: diffs.project
- elsif @merge_request_diff.empty? - elsif @merge_request_diff.empty?
.nothing-here-block Nothing to merge from #{@merge_request.source_branch} into #{@merge_request.target_branch} .nothing-here-block Nothing to merge from #{@merge_request.source_branch} into #{@merge_request.target_branch}
- else - else
......
...@@ -142,7 +142,7 @@ class IrkerWorker ...@@ -142,7 +142,7 @@ class IrkerWorker
def files_count(commit) def files_count(commit)
files = "#{commit.diffs.real_size} file" files = "#{commit.diffs.real_size} file"
files += 's' if commit.diffs.count > 1 files += 's' if commit.diffs.size > 1
files files
end end
......
...@@ -63,7 +63,7 @@ module Gitlab ...@@ -63,7 +63,7 @@ module Gitlab
diff_refs.try(:head_sha) diff_refs.try(:head_sha)
end end
attr_writer :diff_lines, :highlighted_diff_lines attr_writer :highlighted_diff_lines
# Array of Gitlab::Diff::Line objects # Array of Gitlab::Diff::Line objects
def diff_lines def diff_lines
......
module Gitlab
module Diff
module FileCollection
def self.default_options
::Commit.max_diff_options.merge(ignore_whitespace_change: false, no_collapse: false)
end
end
end
end
module Gitlab
module Diff
module FileCollection
class Base
attr_reader :project, :diff_options, :diff_view, :diff_refs
delegate :count, :size, :real_size, to: :diff_files
def initialize(diffs, project:, diff_options:, diff_refs: nil)
@diffs = diffs
@project = project
@diff_options = diff_options
@diff_refs = diff_refs
end
def diff_files
@diffs.decorate! { |diff| decorate_diff!(diff) }
end
private
def decorate_diff!(diff)
return diff if diff.is_a?(Gitlab::Diff::File)
Gitlab::Diff::File.new(diff, diff_refs: @diff_refs, repository: @project.repository)
end
end
end
end
end
module Gitlab
module Diff
module FileCollection
class Commit < Base
def initialize(commit, diff_options:)
super(commit.diffs(diff_options),
project: commit.project,
diff_options: diff_options,
diff_refs: commit.diff_refs)
end
end
end
end
end
module Gitlab
module Diff
module FileCollection
class Compare < Base
def initialize(compare, project:, diff_options:, diff_refs: nil)
super(compare.diffs(diff_options),
project: project,
diff_options: diff_options,
diff_refs: diff_refs)
end
end
end
end
end
module Gitlab
module Diff
module FileCollection
class MergeRequest < Base
def initialize(merge_request, diff_options:)
@merge_request = merge_request
super(merge_request.diffs(diff_options),
project: merge_request.project,
diff_options: diff_options,
diff_refs: merge_request.diff_refs)
end
def diff_files
super.tap { |_| store_highlight_cache }
end
private
# Extracted method to highlight in the same iteration to the diff_collection. Iteration in the DiffCollections
# seems particularly slow on big diffs (event when already populated).
def decorate_diff!(diff)
highlight! super
end
def highlight!(diff_file)
if cacheable?
cache_highlight!(diff_file)
else
highlight_diff_file!(diff_file)
end
end
def highlight_diff_file!(diff_file)
diff_file.highlighted_diff_lines = Gitlab::Diff::Highlight.new(diff_file, repository: diff_file.repository).highlight
diff_file
end
def highlight_diff_file_from_cache!(diff_file, cache_diff_lines)
diff_file.highlighted_diff_lines = cache_diff_lines.map do |line|
Gitlab::Diff::Line.init_from_hash(line)
end
end
#
# If we find the highlighted diff files lines on the cache we replace existing diff_files lines (no highlighted)
# for the highlighted ones, so we just skip their execution.
# If the highlighted diff files lines are not cached we calculate and cache them.
#
# The content of the cache is a Hash where the key correspond to the file_path and the values are Arrays of
# hashes that represent serialized diff lines.
#
def cache_highlight!(diff_file)
file_path = diff_file.file_path
if highlight_cache[file_path]
highlight_diff_file_from_cache!(diff_file, highlight_cache[file_path])
else
highlight_diff_file!(diff_file)
highlight_cache[file_path] = diff_file.highlighted_diff_lines.map(&:to_hash)
end
diff_file
end
def highlight_cache
return @highlight_cache if defined?(@highlight_cache)
@highlight_cache = Rails.cache.read(cache_key) || {}
@highlight_cache_was_empty = highlight_cache.empty?
@highlight_cache
end
def store_highlight_cache
Rails.cache.write(cache_key, highlight_cache) if @highlight_cache_was_empty
end
def cacheable?
@merge_request.merge_request_diff.present?
end
def cache_key
[@merge_request.merge_request_diff, 'highlighted-diff-files', diff_options]
end
end
end
end
end
...@@ -40,16 +40,18 @@ module Gitlab ...@@ -40,16 +40,18 @@ module Gitlab
def diffs def diffs
return unless compare return unless compare
@diffs ||= SafeDiffs::Compare.new(compare, diff_options: { max_files: 30 }, project: project, diff_refs: diff_refs).diff_files @diffs ||= compare.diff_file_collection(diff_options: { max_files: 30 }, diff_refs: diff_refs).diff_files
end end
def diffs_count def diffs_count
diffs.count if diffs diffs.size if diffs
end end
def compare def compare
@opts[:compare] if @opts[:compare]
Compare.decorate(@opts[:compare], project)
end
end end
def diff_refs def diff_refs
......
...@@ -267,9 +267,9 @@ describe Projects::CommitController do ...@@ -267,9 +267,9 @@ describe Projects::CommitController do
end end
it 'only renders the diffs for the path given' do it 'only renders the diffs for the path given' do
expect(controller).to receive(:render_diff_for_path).and_wrap_original do |meth, safe_diffs| expect(controller).to receive(:render_diff_for_path).and_wrap_original do |meth, diffs|
expect(safe_diffs.diff_files.map(&:new_path)).to contain_exactly(existing_path) expect(diffs.diff_files.map(&:new_path)).to contain_exactly(existing_path)
meth.call(safe_diffs) meth.call(diffs)
end end
diff_for_path(id: commit.id, old_path: existing_path, new_path: existing_path) diff_for_path(id: commit.id, old_path: existing_path, new_path: existing_path)
......
...@@ -32,10 +32,11 @@ describe Projects::CompareController do ...@@ -32,10 +32,11 @@ describe Projects::CompareController do
w: 1) w: 1)
expect(response).to be_success expect(response).to be_success
expect(assigns(:diffs).diff_files.first).not_to be_nil diff_file = assigns(:diffs).diff_files.first
expect(diff_file).not_to be_nil
expect(assigns(:commits).length).to be >= 1 expect(assigns(:commits).length).to be >= 1
# without whitespace option, there are more than 2 diff_splits # without whitespace option, there are more than 2 diff_splits
diff_splits = assigns(:diffs).diff_files.first.diff.diff.split("\n") diff_splits = diff_file.diff.diff.split("\n")
expect(diff_splits.length).to be <= 2 expect(diff_splits.length).to be <= 2
end end
...@@ -87,9 +88,9 @@ describe Projects::CompareController do ...@@ -87,9 +88,9 @@ describe Projects::CompareController do
end end
it 'only renders the diffs for the path given' do it 'only renders the diffs for the path given' do
expect(controller).to receive(:render_diff_for_path).and_wrap_original do |meth, safe_diffs| expect(controller).to receive(:render_diff_for_path).and_wrap_original do |meth, diffs|
expect(safe_diffs.diff_files.map(&:new_path)).to contain_exactly(existing_path) expect(diffs.diff_files.map(&:new_path)).to contain_exactly(existing_path)
meth.call(safe_diffs) meth.call(diffs)
end end
diff_for_path(from: ref_from, to: ref_to, old_path: existing_path, new_path: existing_path) diff_for_path(from: ref_from, to: ref_to, old_path: existing_path, new_path: existing_path)
......
...@@ -392,9 +392,9 @@ describe Projects::MergeRequestsController do ...@@ -392,9 +392,9 @@ describe Projects::MergeRequestsController do
end end
it 'only renders the diffs for the path given' do it 'only renders the diffs for the path given' do
expect(controller).to receive(:render_diff_for_path).and_wrap_original do |meth, safe_diffs| expect(controller).to receive(:render_diff_for_path).and_wrap_original do |meth, diffs|
expect(safe_diffs.diff_files.map(&:new_path)).to contain_exactly(existing_path) expect(diffs.diff_files.map(&:new_path)).to contain_exactly(existing_path)
meth.call(safe_diffs) meth.call(diffs)
end end
diff_for_path(id: merge_request.iid, old_path: existing_path, new_path: existing_path) diff_for_path(id: merge_request.iid, old_path: existing_path, new_path: existing_path)
...@@ -455,9 +455,9 @@ describe Projects::MergeRequestsController do ...@@ -455,9 +455,9 @@ describe Projects::MergeRequestsController do
end end
it 'only renders the diffs for the path given' do it 'only renders the diffs for the path given' do
expect(controller).to receive(:render_diff_for_path).and_wrap_original do |meth, safe_diffs| expect(controller).to receive(:render_diff_for_path).and_wrap_original do |meth, diffs|
expect(safe_diffs.diff_files.map(&:new_path)).to contain_exactly(existing_path) expect(diffs.diff_files.map(&:new_path)).to contain_exactly(existing_path)
meth.call(safe_diffs) meth.call(diffs)
end end
diff_for_path(old_path: existing_path, new_path: existing_path, merge_request: { source_branch: 'feature', target_branch: 'master' }) diff_for_path(old_path: existing_path, new_path: existing_path, merge_request: { source_branch: 'feature', target_branch: 'master' })
...@@ -477,9 +477,9 @@ describe Projects::MergeRequestsController do ...@@ -477,9 +477,9 @@ describe Projects::MergeRequestsController do
end end
it 'only renders the diffs for the path given' do it 'only renders the diffs for the path given' do
expect(controller).to receive(:render_diff_for_path).and_wrap_original do |meth, safe_diffs| expect(controller).to receive(:render_diff_for_path).and_wrap_original do |meth, diffs|
expect(safe_diffs.diff_files.map(&:new_path)).to contain_exactly(existing_path) expect(diffs.diff_files.map(&:new_path)).to contain_exactly(existing_path)
meth.call(safe_diffs) meth.call(diffs)
end end
diff_for_path(old_path: existing_path, new_path: existing_path, merge_request: { source_project: other_project, source_branch: 'feature', target_branch: 'master' }) diff_for_path(old_path: existing_path, new_path: existing_path, merge_request: { source_project: other_project, source_branch: 'feature', target_branch: 'master' })
......
...@@ -62,12 +62,12 @@ describe Gitlab::Email::Message::RepositoryPush do ...@@ -62,12 +62,12 @@ describe Gitlab::Email::Message::RepositoryPush do
describe '#diffs_count' do describe '#diffs_count' do
subject { message.diffs_count } subject { message.diffs_count }
it { is_expected.to eq compare.diffs.count } it { is_expected.to eq compare.diffs.size }
end end
describe '#compare' do describe '#compare' do
subject { message.compare } subject { message.compare }
it { is_expected.to be_an_instance_of Gitlab::Git::Compare } it { is_expected.to be_an_instance_of Compare }
end end
describe '#compare_timeout' do describe '#compare_timeout' do
......
...@@ -660,6 +660,12 @@ describe MergeRequest, models: true do ...@@ -660,6 +660,12 @@ describe MergeRequest, models: true do
subject.reload_diff subject.reload_diff
end end
it "executs diff cache service" do
expect_any_instance_of(MergeRequests::MergeRequestDiffCacheService).to receive(:execute).with(subject)
subject.reload_diff
end
it "updates diff note positions" do it "updates diff note positions" do
old_diff_refs = subject.diff_refs old_diff_refs = subject.diff_refs
......
require 'spec_helper'
describe MergeRequests::MergeRequestDiffCacheService do
let(:subject) { MergeRequests::MergeRequestDiffCacheService.new }
describe '#execute' do
it 'retrieve the diff files to cache the highlighted result' do
merge_request = create(:merge_request)
cache_key = [merge_request.merge_request_diff, 'highlighted-diff-files', Gitlab::Diff::FileCollection.default_options]
expect(Rails.cache).to receive(:read).with(cache_key).and_return({})
expect(Rails.cache).to receive(:write).with(cache_key, anything)
subject.execute(merge_request)
end
end
end
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