Revert upvotes and downvotes params to MR API

app/models/concerns/issuable.rb

@@ -95,14 +95,12 @@ module Issuable
     opened? || reopened?
   end
 
-  # Deprecated. Still exists to preserve API compatibility.
   def downvotes
-    0
+    notes.awards.where(note: "thumbsdown").count
   end
 
-  # Deprecated. Still exists to preserve API compatibility.
   def upvotes
-    0
+    notes.awards.where(note: "thumbsup").count
   end
 
   def subscribed?(user)

app/models/note.rb

@@ -346,12 +346,10 @@ class Note < ActiveRecord::Base
     read_attribute(:system)
   end
 
-  # Deprecated. Still exists to preserve API compatibility.
   def downvote?
     false
   end
 
-  # Deprecated. Still exists to preserve API compatibility.
   def upvote?
     false
   end

doc/api/merge_requests.md

@@ -4,8 +4,7 @@
 
 Get all merge requests for this project. 
 The `state` parameter can be used to get only merge requests with a given state (`opened`, `closed`, or `merged`) or all of them (`all`).
-The pagination parameters `page` and `per_page` can be used to restrict the list of merge requests. With GitLab 8.2 the return fields `upvotes` and
-`downvotes` are deprecated and always return `0`.
+The pagination parameters `page` and `per_page` can be used to restrict the list of merge requests.
 
 ```
 GET /projects/:id/merge_requests
@@ -58,7 +57,7 @@ Parameters:
 
 ## Get single MR
 
-Shows information about a single merge request. With GitLab 8.2 the return fields `upvotes` and `downvotes` are deprecated and always return `0`.
+Shows information about a single merge request.
 
 ```
 GET /projects/:id/merge_request/:merge_request_id
@@ -141,8 +140,6 @@ Parameters:
 ## Get single MR changes
 
 Shows information about the merge request including its files and changes.
-With GitLab 8.2 the return fields `upvotes` and `downvotes` are deprecated and
-always return `0`.
 
 ```
 GET /projects/:id/merge_request/:merge_request_id/changes
@@ -213,9 +210,7 @@ Parameters:
 
 ## Create MR
 
-Creates a new merge request. With GitLab 8.2 the return fields `upvotes` and `
-downvotes` are deprecated and always return `0`.
-
+Creates a new merge request.
 ```
 POST /projects/:id/merge_requests
 ```
@@ -266,8 +261,7 @@ If an error occurs, an error number and a message explaining the reason is retur
 
 ## Update MR
 
-Updates an existing merge request. You can change the target branch, title, or even close the MR. With GitLab 8.2 the return fields `upvotes` and `downvotes`
-are deprecated and always return `0`.
+Updates an existing merge request. You can change the target branch, title, or even close the MR.
 
 ```
 PUT /projects/:id/merge_request/:merge_request_id
@@ -318,8 +312,7 @@ If an error occurs, an error number and a message explaining the reason is retur
 
 ## Accept MR
 
-Merge changes submitted with MR using this API. With GitLab 8.2 the return
-fields `upvotes` and `downvotes` are deprecated and always return `0`.
+Merge changes submitted with MR using this API.
 
 If merge success you get `200 OK`.
 

doc/api/notes.md

@@ -6,8 +6,7 @@ Notes are comments on snippets, issues or merge requests.
 
 ### List project issue notes
 
-Gets a list of all notes for a single issue. With GitLab 8.2 the return fields
-`upvote` and `downvote` are deprecated and always return `false`.
+Gets a list of all notes for a single issue.
 
 ```
 GET /projects/:id/issues/:issue_id/notes

lib/api/entities.rb

@@ -166,7 +166,6 @@ module API
 
     class MergeRequest < ProjectEntity
       expose :target_branch, :source_branch
-      # deprecated, always returns 0
       expose :upvotes,  :downvotes
       expose :author, :assignee, using: Entities::UserBasic
       expose :source_project_id, :target_project_id

spec/models/concerns/issuable_spec.rb

@@ -99,4 +99,18 @@ describe Issue, "Issuable" do
         to eq({ 'Author' => 'Robert', 'Assignee' => 'Douwe' })
     end
   end
+
+  describe "votes" do
+    before do
+      author = create :user
+      project = create :empty_project
+      issue.notes.awards.create!(note: "thumbsup", author: author, project: project)
+      issue.notes.awards.create!(note: "thumbsdown", author: author, project: project)
+    end
+
+    it "returns correct values" do
+      expect(issue.upvotes).to eq(1)
+      expect(issue.downvotes).to eq(1)
+    end
+  end
 end