Resolve "Provide ability to retrieve `visibility` level via Snippets API"

changelogs/unreleased/35158-snippets-api-visibility.yml

+---
+title: Expose visibility via Snippets API
+merge_request: 19620
+author: Jan Beckmann
+type: added

doc/api/snippets.md

@@ -49,6 +49,7 @@ Example response:
   "title": "test",
   "file_name": "add.rb",
   "description": "Ruby test snippet",
+  "visibility": "private",
   "author": {
     "id": 1,
     "username": "john_smith",
@@ -99,6 +100,7 @@ Example response:
   "title": "This is a snippet",
   "file_name": "test.txt",
   "description": "Hello World snippet",
+  "visibility": "internal",
   "author": {
     "id": 1,
     "username": "john_smith",
@@ -150,6 +152,7 @@ Example response:
   "title": "test",
   "file_name": "add.rb",
   "description": "description of snippet",
+  "visibility": "internal",
   "author": {
     "id": 1,
     "username": "john_smith",
@@ -238,7 +241,8 @@ Example response:
         "raw_url": "http://localhost:3000/snippets/48/raw",
         "title": "Minus similique nesciunt vel fugiat qui ullam sunt.",
         "updated_at": "2016-11-25T16:53:34.479Z",
-        "web_url": "http://localhost:3000/snippets/48"
+        "web_url": "http://localhost:3000/snippets/48",
+        "visibility": "public"
     }
 ]
 ```

lib/api/entities.rb

@@ -362,7 +362,7 @@ module API
     end
 
     class Snippet < Grape::Entity
-      expose :id, :title, :file_name, :description
+      expose :id, :title, :file_name, :description, :visibility
       expose :author, using: Entities::UserBasic
       expose :updated_at, :created_at
       expose :project_id

spec/fixtures/api/schemas/public_api/v4/snippets.json

@@ -8,6 +8,7 @@
       "title": { "type": "string" },
       "file_name": { "type": ["string", "null"] },
       "description": { "type": ["string", "null"] },
+      "visibility": { "type": "string" },
       "web_url": { "type": "string" },
       "created_at": { "type": "date" },
       "updated_at": { "type": "date" },

spec/requests/api/snippets_spec.rb

@@ -20,6 +20,7 @@ describe API::Snippets do
         private_snippet.id)
       expect(json_response.last).to have_key('web_url')
       expect(json_response.last).to have_key('raw_url')
+      expect(json_response.last).to have_key('visibility')
     end
 
     it 'hides private snippets from regular user' do
@@ -112,6 +113,7 @@ describe API::Snippets do
       expect(json_response['title']).to eq(snippet.title)
       expect(json_response['description']).to eq(snippet.description)
       expect(json_response['file_name']).to eq(snippet.file_name)
+      expect(json_response['visibility']).to eq(snippet.visibility)
     end
 
     it 'returns 404 for invalid snippet id' do
@@ -142,6 +144,7 @@ describe API::Snippets do
       expect(json_response['title']).to eq(params[:title])
       expect(json_response['description']).to eq(params[:description])
       expect(json_response['file_name']).to eq(params[:file_name])
+      expect(json_response['visibility']).to eq(params[:visibility])
     end
 
     it 'returns 400 for missing parameters' do