Adding raw_plain_data type to snippets

Changelog: added

app/graphql/types/snippets/blob_type.rb

@@ -16,6 +16,10 @@ module Types
             description: 'Blob plain highlighted data.',
             null: true
 
+      field :raw_plain_data, GraphQL::STRING_TYPE,
+            description: 'The raw content of the blob, if the blob is text data.',
+            null: true
+
       field :raw_path, GraphQL::STRING_TYPE,
             description: 'Blob raw content endpoint path.',
             null: false

app/presenters/blob_presenter.rb

@@ -26,6 +26,10 @@ class BlobPresenter < Gitlab::View::Presenter::Delegated
     highlight(plain: false)
   end
 
+  def raw_plain_data
+    blob.data unless blob.binary?
+  end
+
   def web_url
     url_helpers.project_blob_url(project, ref_qualified_path)
   end

app/presenters/snippet_blob_presenter.rb

@@ -17,6 +17,10 @@ class SnippetBlobPresenter < BlobPresenter
     snippet_blob_raw_route
   end
 
+  def raw_plain_data
+    blob.data unless blob.binary?
+  end
+
   private
 
   def snippet

doc/api/graphql/reference/index.md

@@ -12803,6 +12803,7 @@ Represents the snippet blob.
 | <a id="snippetblobpath"></a>`path` | [`String`](#string) | Blob path. |
 | <a id="snippetblobplaindata"></a>`plainData` | [`String`](#string) | Blob plain highlighted data. |
 | <a id="snippetblobrawpath"></a>`rawPath` | [`String!`](#string) | Blob raw content endpoint path. |
+| <a id="snippetblobrawplaindata"></a>`rawPlainData` | [`String`](#string) | The raw content of the blob, if the blob is text data. |
 | <a id="snippetblobrenderedastext"></a>`renderedAsText` | [`Boolean!`](#boolean) | Shows whether the blob is rendered as text. |
 | <a id="snippetblobrichdata"></a>`richData` | [`String`](#string) | Blob highlighted data. |
 | <a id="snippetblobrichviewer"></a>`richViewer` | [`SnippetBlobViewer`](#snippetblobviewer) | Blob content rich viewer. |

spec/graphql/types/snippets/blob_type_spec.rb

@@ -6,7 +6,7 @@ RSpec.describe GitlabSchema.types['SnippetBlob'] do
   include GraphqlHelpers
 
   it 'has the correct fields' do
-    expected_fields = [:rich_data, :plain_data,
+    expected_fields = [:rich_data, :plain_data, :raw_plain_data,
                        :raw_path, :size, :binary, :name, :path,
                        :simple_viewer, :rich_viewer, :mode, :external_storage,
                        :rendered_as_text]
@@ -18,6 +18,7 @@ RSpec.describe GitlabSchema.types['SnippetBlob'] do
     {
       'richData' => be_nullable,
       'plainData' => be_nullable,
+      'rawPlainData' => be_nullable,
       'rawPath' => be_non_null,
       'size' => be_non_null,
       'binary' => be_non_null,

spec/presenters/blob_presenter_spec.rb

@@ -121,16 +121,26 @@ RSpec.describe BlobPresenter do
     end
   end
 
-  describe '#plain_data' do
+  describe '#raw_plain_data' do
     let(:blob) { repository.blob_at('HEAD', file) }
 
-    subject { described_class.new(blob).plain_data }
+    context 'when blob is text' do
+      let(:file) { 'files/ruby/popen.rb' }
+
+      it 'does not include html in the content' do
+        expect(presenter.raw_plain_data.include?('</span>')).to be_falsey
+      end
+    end
+  end
+
+  describe '#plain_data' do
+    let(:blob) { repository.blob_at('HEAD', file) }
 
     context 'when blob is binary' do
       let(:file) { 'files/images/logo-black.png' }
 
       it 'returns nil' do
-        expect(subject).to be_nil
+        expect(presenter.plain_data).to be_nil
       end
     end
 
@@ -138,7 +148,7 @@ RSpec.describe BlobPresenter do
       let(:file) { 'README.md' }
 
       it 'returns plain content' do
-        expect(subject).to include('<span id="LC1" class="line" lang="markdown">')
+        expect(presenter.plain_data).to include('<span id="LC1" class="line" lang="markdown">')
       end
     end
 
@@ -146,7 +156,7 @@ RSpec.describe BlobPresenter do
       let(:file) { 'files/ruby/regex.rb' }
 
       it 'returns highlighted syntax content' do
-        expect(subject)
+        expect(presenter.plain_data)
           .to include '<span id="LC1" class="line" lang="ruby"><span class="k">module</span> <span class="nn">Gitlab</span>'
       end
     end
@@ -155,7 +165,7 @@ RSpec.describe BlobPresenter do
       let(:file) { 'LICENSE' }
 
       it 'returns plain text highlighted content' do
-        expect(subject).to include('<span id="LC1" class="line" lang="plaintext">The MIT License (MIT)</span>')
+        expect(presenter.plain_data).to include('<span id="LC1" class="line" lang="plaintext">The MIT License (MIT)</span>')
       end
     end
   end

spec/presenters/snippet_blob_presenter_spec.rb

@@ -120,6 +120,27 @@ RSpec.describe SnippetBlobPresenter do
       end
     end
 
+    describe '#raw_plain_data' do
+      context "with a plain file" do
+        subject { described_class.new(blob, current_user: user) }
+
+        it 'shows raw data for non binary files' do
+          expect(subject.raw_plain_data).to eq(blob.data)
+        end
+      end
+
+      context "with a binary file" do
+        let(:file) { 'files/images/logo-black.png' }
+        let(:blob) { blob_at(file) }
+
+        subject { described_class.new(blob, current_user: user) }
+
+        it 'returns nil' do
+          expect(subject.raw_plain_data).to be_nil
+        end
+      end
+    end
+
     describe '#raw_url' do
       subject { described_class.new(blob, current_user: user).raw_url }