Commit 91ed0dbc authored by Sean McGivern's avatar Sean McGivern

Merge branch 'issue_48084' into 'master'

Use a serializer to render diff lines

Closes #48084

See merge request gitlab-org/gitlab-ce!21260
parents b5be01bc 5bc54ca4
......@@ -127,7 +127,7 @@ class Projects::BlobController < Projects::ApplicationController
add_match_line
render json: @lines
render json: DiffLineSerializer.new.represent(@lines)
end
def add_match_line
......
......@@ -135,12 +135,12 @@ class DiffFileEntity < Grape::Entity
end
# Used for inline diffs
expose :highlighted_diff_lines, if: -> (diff_file, _) { diff_file.text? } do |diff_file|
expose :highlighted_diff_lines, using: DiffLineEntity, if: -> (diff_file, _) { diff_file.text? } do |diff_file|
diff_file.diff_lines_for_serializer
end
# Used for parallel diffs
expose :parallel_diff_lines, if: -> (diff_file, _) { diff_file.text? }
expose :parallel_diff_lines, using: DiffLineParallelEntity, if: -> (diff_file, _) { diff_file.text? }
def current_user
request.current_user
......
# frozen_string_literal: true
class DiffLineEntity < Grape::Entity
expose :line_code
expose :type
expose :old_line
expose :new_line
expose :text
expose :meta_positions, as: :meta_data
expose :rich_text do |line|
line.rich_text || CGI.escapeHTML(line.text)
end
end
# frozen_string_literal: true
class DiffLineParallelEntity < Grape::Entity
expose :left, using: DiffLineEntity
expose :right, using: DiffLineEntity
end
# frozen_string_literal: true
class DiffLineSerializer < BaseSerializer
entity DiffLineEntity
end
......@@ -43,7 +43,7 @@ class DiscussionEntity < Grape::Entity
project_merge_request_discussion_path(discussion.project, discussion.noteable, discussion)
end
expose :truncated_diff_lines, if: -> (d, _) { d.diff_discussion? && d.on_text? && (d.expanded? || render_truncated_diff_lines?) }
expose :truncated_diff_lines, using: DiffLineEntity, if: -> (d, _) { d.diff_discussion? && d.on_text? && (d.expanded? || render_truncated_diff_lines?) }
expose :image_diff_html, if: -> (d, _) { d.diff_discussion? && d.on_image? } do |discussion|
diff_file = discussion.diff_file
......
......@@ -79,16 +79,10 @@ module Gitlab
}
end
# We have to keep this here since it is still used for conflict resolution
# Conflict::File#as_json renders json diff lines in sections
def as_json(opts = nil)
{
line_code: line_code,
type: type,
old_line: old_line,
new_line: new_line,
text: text,
rich_text: rich_text || CGI.escapeHTML(text),
meta_data: meta_positions
}
DiffLineSerializer.new.represent(self)
end
private
......
{
"type": "object",
"required": ["type"],
"properties": {
"line_code": { "type": ["string", "null"] },
"type": { "type": ["string", "null"] },
"old_line": { "type": ["integer", "null"] },
"new_line": { "type": ["integer", "null"] },
"text": { "type": ["string"] },
"rich_text": { "type": ["string"] },
"meta_data": { "type": ["object", "null"] }
},
"additionalProperties": false
}
{
"required" : [
"left",
"right"
],
"properties" : {
"left": { "$ref": "diff_line.json" },
"right": { "$ref": "diff_line.json" }
},
"additionalProperties": false
}
......@@ -67,4 +67,21 @@ describe DiffFileEntity do
end
end
end
context '#parallel_diff_lines' do
it 'exposes parallel diff lines correctly' do
response = subject
lines = response[:parallel_diff_lines]
# make sure at least one line is present for each side
expect(lines.map { |line| line[:right] }.compact).to be_present
expect(lines.map { |line| line[:left] }.compact).to be_present
# make sure all lines are in correct format
lines.each do |parallel_line|
expect(parallel_line[:left].as_json).to match_schema('entities/diff_line') if parallel_line[:left]
expect(parallel_line[:right].as_json).to match_schema('entities/diff_line') if parallel_line[:right]
end
end
end
end
require 'spec_helper'
describe DiffLineSerializer do
let(:line) { Gitlab::Diff::Line.new('hello world', 'new', 1, nil, 1) }
let(:serializer) { described_class.new.represent(line) }
describe '#to_json' do
subject { serializer.to_json }
it 'matches the schema' do
expect(subject).to match_schema('entities/diff_line')
end
context 'when lines are parallel' do
let(:right_line) { Gitlab::Diff::Line.new('right line', 'new', 1, nil, 1) }
let(:left_line) { Gitlab::Diff::Line.new('left line', 'match', 1, nil, 1) }
let(:parallel_line) { [{ right: right_line, left: left_line }] }
let(:serializer) { described_class.new.represent(parallel_line, {}, DiffLineParallelEntity) }
it 'matches the schema' do
expect(subject).to match_schema('entities/diff_line_parallel')
end
end
end
end
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