Merge branch 'api-expose-subscribed' into 'master'

API: Expose subscribed? on issues and merge requests

This is the first start for the new `subscribable` API. It exposes the `subscribed` field for issues and merge requests.

Related to #6024

See merge request !3611

7 files changed, 46 insertions, 25 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 54d79259b30..35c5417da22 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -12,6 +12,7 @@ v 8.7.0 (unreleased)
   - Allow back dating on issues when created through the API
   - Fix Error 500 after renaming a project path (Stan Hu)
   - Fix avatar stretching by providing a cropping feature
+  - API: Expose `subscribed` for issues and merge requests (Robert Schilling)
   - Allow SAML to handle external users based on user's information !3530
   - Add endpoints to archive or unarchive a project !3372
   - Add links to CI setup documentation from project settings and builds pages
diff --git a/doc/api/issues.md b/doc/api/issues.md
index cc6355d34ef..1c635a6cdcf 100644
--- a/doc/api/issues.md
+++ b/doc/api/issues.md
@@ -76,8 +76,9 @@ Example response:
       "title" : "Consequatur vero maxime deserunt laboriosam est voluptas dolorem.",
       "created_at" : "2016-01-04T15:31:51.081Z",
       "iid" : 6,
-      "labels" : []
-   },
+      "labels" : [],
+      "subscribed" : false
+   }
 ]
 ```
 
@@ -152,7 +153,8 @@ Example response:
       "id" : 41,
       "title" : "Ut commodi ullam eos dolores perferendis nihil sunt.",
       "updated_at" : "2016-01-04T15:31:46.176Z",
-      "created_at" : "2016-01-04T15:31:46.176Z"
+      "created_at" : "2016-01-04T15:31:46.176Z",
+      "subscribed" : false
    }
 ]
 ```
@@ -213,7 +215,8 @@ Example response:
    "id" : 41,
    "title" : "Ut commodi ullam eos dolores perferendis nihil sunt.",
    "updated_at" : "2016-01-04T15:31:46.176Z",
-   "created_at" : "2016-01-04T15:31:46.176Z"
+   "created_at" : "2016-01-04T15:31:46.176Z",
+   "subscribed": false
 }
 ```
 
@@ -267,7 +270,8 @@ Example response:
    },
    "description" : null,
    "updated_at" : "2016-01-07T12:44:33.959Z",
-   "milestone" : null
+   "milestone" : null,
+   "subscribed" : true
 }
 ```
 
@@ -323,7 +327,8 @@ Example response:
    ],
    "id" : 85,
    "assignee" : null,
-   "milestone" : null
+   "milestone" : null,
+   "subscribed" : true
 }
 ```
 
diff --git a/doc/api/merge_requests.md b/doc/api/merge_requests.md
index b20a6300b7a..20db73ea6c0 100644
--- a/doc/api/merge_requests.md
+++ b/doc/api/merge_requests.md
@@ -66,7 +66,8 @@ Parameters:
       "due_date": null
     },
     "merge_when_build_succeeds": true,
-    "merge_status": "can_be_merged"
+    "merge_status": "can_be_merged",
+    "subscribed" : false
   }
 ]
 ```
@@ -128,7 +129,8 @@ Parameters:
     "due_date": null
   },
   "merge_when_build_succeeds": true,
-  "merge_status": "can_be_merged"
+  "merge_status": "can_be_merged",
+  "subscribed" : true
 }
 ```
 
@@ -227,6 +229,7 @@ Parameters:
   },
   "merge_when_build_succeeds": true,
   "merge_status": "can_be_merged",
+  "subscribed" : true,
   "changes": [
     {
     "old_path": "VERSION",
@@ -304,7 +307,8 @@ Parameters:
     "due_date": null
   },
   "merge_when_build_succeeds": true,
-  "merge_status": "can_be_merged"
+  "merge_status": "can_be_merged",
+  "subscribed" : true
 }
 ```
 
@@ -373,7 +377,8 @@ Parameters:
     "due_date": null
   },
   "merge_when_build_succeeds": true,
-  "merge_status": "can_be_merged"
+  "merge_status": "can_be_merged",
+  "subscribed" : true
 }
 ```
 
@@ -466,7 +471,8 @@ Parameters:
     "due_date": null
   },
   "merge_when_build_succeeds": true,
-  "merge_status": "can_be_merged"
+  "merge_status": "can_be_merged",
+  "subscribed" : true
 }
 ```
 
@@ -530,7 +536,8 @@ Parameters:
     "due_date": null
   },
   "merge_when_build_succeeds": true,
-  "merge_status": "can_be_merged"
+  "merge_status": "can_be_merged",
+  "subscribed" : true
 }
 ```
 
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index 4c49442bf8b..d76b46b8836 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -170,6 +170,10 @@ module API
       expose :label_names, as: :labels
       expose :milestone, using: Entities::Milestone
       expose :assignee, :author, using: Entities::UserBasic
+
+      expose :subscribed do |issue, options|
+        issue.subscribed?(options[:current_user])
+      end
     end
 
     class MergeRequest < ProjectEntity
@@ -183,6 +187,10 @@ module API
       expose :milestone, using: Entities::Milestone
       expose :merge_when_build_succeeds
       expose :merge_status
+
+      expose :subscribed do |merge_request, options|
+        merge_request.subscribed?(options[:current_user])
+      end
     end
 
     class MergeRequestChanges < MergeRequest
diff --git a/lib/api/issues.rb b/lib/api/issues.rb
index 1fee1dee1a6..c4ea05ee6cf 100644
--- a/lib/api/issues.rb
+++ b/lib/api/issues.rb
@@ -55,7 +55,7 @@ module API
         issues = filter_issues_state(issues, params[:state]) unless params[:state].nil?
         issues = filter_issues_labels(issues, params[:labels]) unless params[:labels].nil?
         issues.reorder(issuable_order_by => issuable_sort)
-        present paginate(issues), with: Entities::Issue
+        present paginate(issues), with: Entities::Issue, current_user: current_user
       end
     end
 
@@ -92,7 +92,7 @@ module API
         end
 
         issues.reorder(issuable_order_by => issuable_sort)
-        present paginate(issues), with: Entities::Issue
+        present paginate(issues), with: Entities::Issue, current_user: current_user
       end
 
       # Get a single project issue
@@ -105,7 +105,7 @@ module API
       get ":id/issues/:issue_id" do
         @issue = user_project.issues.find(params[:issue_id])
         not_found! unless can?(current_user, :read_issue, @issue)
-        present @issue, with: Entities::Issue
+        present @issue, with: Entities::Issue, current_user: current_user
       end
 
       # Create a new project issue
@@ -149,7 +149,7 @@ module API
             issue.add_labels_by_names(params[:labels].split(','))
           end
 
-          present issue, with: Entities::Issue
+          present issue, with: Entities::Issue, current_user: current_user
         else
           render_validation_error!(issue)
         end
@@ -189,7 +189,7 @@ module API
             issue.add_labels_by_names(params[:labels].split(','))
           end
 
-          present issue, with: Entities::Issue
+          present issue, with: Entities::Issue, current_user: current_user
         else
           render_validation_error!(issue)
         end
diff --git a/lib/api/merge_requests.rb b/lib/api/merge_requests.rb
index 93052fba06b..4e7de8867b4 100644
--- a/lib/api/merge_requests.rb
+++ b/lib/api/merge_requests.rb
@@ -56,7 +56,7 @@ module API
           end
 
         merge_requests = merge_requests.reorder(issuable_order_by => issuable_sort)
-        present paginate(merge_requests), with: Entities::MergeRequest
+        present paginate(merge_requests), with: Entities::MergeRequest, current_user: current_user
       end
 
       # Create MR
@@ -94,7 +94,7 @@ module API
             merge_request.add_labels_by_names(params[:labels].split(","))
           end
 
-          present merge_request, with: Entities::MergeRequest
+          present merge_request, with: Entities::MergeRequest, current_user: current_user
         else
           handle_merge_request_errors! merge_request.errors
         end
@@ -130,7 +130,7 @@ module API
 
           authorize! :read_merge_request, merge_request
 
-          present merge_request, with: Entities::MergeRequest
+          present merge_request, with: Entities::MergeRequest, current_user: current_user
         end
 
         # Show MR commits
@@ -162,7 +162,7 @@ module API
           merge_request = user_project.merge_requests.
             find(params[:merge_request_id])
           authorize! :read_merge_request, merge_request
-          present merge_request, with: Entities::MergeRequestChanges
+          present merge_request, with: Entities::MergeRequestChanges, current_user: current_user
         end
 
         # Update MR
@@ -204,7 +204,7 @@ module API
               merge_request.add_labels_by_names(params[:labels].split(","))
             end
 
-            present merge_request, with: Entities::MergeRequest
+            present merge_request, with: Entities::MergeRequest, current_user: current_user
           else
             handle_merge_request_errors! merge_request.errors
           end
@@ -246,7 +246,7 @@ module API
               execute(merge_request)
           end
 
-          present merge_request, with: Entities::MergeRequest
+          present merge_request, with: Entities::MergeRequest, current_user: current_user
         end
 
         # Cancel Merge if Merge When build succeeds is enabled
@@ -325,7 +325,7 @@ module API
         get "#{path}/closes_issues" do
           merge_request = user_project.merge_requests.find(params[:merge_request_id])
           issues = ::Kaminari.paginate_array(merge_request.closes_issues(current_user))
-          present paginate(issues), with: Entities::Issue
+          present paginate(issues), with: Entities::Issue, current_user: current_user
         end
       end
     end
diff --git a/lib/api/milestones.rb b/lib/api/milestones.rb
index afb6ffa3609..0f3f505fa05 100644
--- a/lib/api/milestones.rb
+++ b/lib/api/milestones.rb
@@ -103,7 +103,7 @@ module API
         authorize! :read_milestone, user_project
 
         @milestone = user_project.milestones.find(params[:milestone_id])
-        present paginate(@milestone.issues), with: Entities::Issue
+        present paginate(@milestone.issues), with: Entities::Issue, current_user: current_user
       end
 
     end