Added methods to protect and unprotect branches

doc/api/repositories.md

@@ -33,7 +33,8 @@ Parameters:
       },
       "authored_date": "2012-06-27T05:51:39-07:00",
       "committed_date": "2012-06-28T03:44:20-07:00"
-    }
+    },
+    "protected": true
   }
 ]
 ```
@@ -73,7 +74,88 @@ Parameters:
     },
     "authored_date": "2012-06-27T05:51:39-07:00",
     "committed_date": "2012-06-28T03:44:20-07:00"
-  }
+  },
+  "protected": true
+}
+```
+
+## Protect a project repository branch
+
+Protect a single project repository branch.
+
+```
+PUT /projects/:id/repository/branches/:branch/protect
+```
+
+Parameters:
+
++ `id` (required) - The ID of a project
++ `branch` (required) - The name of the branch
+
+```json
+{
+  "name": "master",
+  "commit": {
+    "id": "7b5c3cc8be40ee161ae89a06bba6229da1032a0c",
+    "parents": [
+      {
+        "id": "4ad91d3c1144c406e50c7b33bae684bd6837faf8"
+      }
+    ],
+    "tree": "46e82de44b1061621357f24c05515327f2795a95",
+    "message": "add projects API",
+    "author": {
+      "name": "John Smith",
+      "email": "john@example.com"
+    },
+    "committer": {
+      "name": "John Smith",
+      "email": "john@example.com"
+    },
+    "authored_date": "2012-06-27T05:51:39-07:00",
+    "committed_date": "2012-06-28T03:44:20-07:00"
+  },
+  "protected": true
+}
+```
+
+## Unprotect a project repository branch
+
+Unprotect a single project repository branch.
+
+```
+PUT /projects/:id/repository/branches/:branch/unprotect
+```
+
+Parameters:
+
++ `id` (required) - The ID of a project
++ `branch` (required) - The name of the branch
+
+```json
+{
+  "name": "master",
+  "commit": {
+    "id": "7b5c3cc8be40ee161ae89a06bba6229da1032a0c",
+    "parents": [
+      {
+        "id": "4ad91d3c1144c406e50c7b33bae684bd6837faf8"
+      }
+    ],
+    "tree": "46e82de44b1061621357f24c05515327f2795a95",
+    "message": "add projects API",
+    "author": {
+      "name": "John Smith",
+      "email": "john@example.com"
+    },
+    "committer": {
+      "name": "John Smith",
+      "email": "john@example.com"
+    },
+    "authored_date": "2012-06-27T05:51:39-07:00",
+    "committed_date": "2012-06-28T03:44:20-07:00"
+  },
+  "protected": false
 }
 ```
 
@@ -110,7 +192,8 @@ Parameters:
       },
       "authored_date": "2012-05-28T04:42:42-07:00",
       "committed_date": "2012-05-28T04:42:42-07:00"
-    }
+    },
+    "protected": null
   }
 ]
 ```

lib/api/entities.rb

@@ -33,6 +33,11 @@ module Gitlab
 
     class RepoObject < Grape::Entity
       expose :name, :commit
+      expose :protected do |repo, options|
+        if options[:project]
+          options[:project].protected_branch? repo.name
+        end
+      end
     end
 
     class RepoCommit < Grape::Entity

lib/api/projects.rb

@@ -218,7 +218,7 @@ module Gitlab
       # Example Request:
       #   GET /projects/:id/repository/branches
       get ":id/repository/branches" do
-        present user_project.repo.heads.sort_by(&:name), with: Entities::RepoObject
+        present user_project.repo.heads.sort_by(&:name), with: Entities::RepoObject, project: user_project
       end
 
       # Get a single branch
@@ -230,7 +230,43 @@ module Gitlab
       #   GET /projects/:id/repository/branches/:branch
       get ":id/repository/branches/:branch" do
         @branch = user_project.repo.heads.find { |item| item.name == params[:branch] }
-        present @branch, with: Entities::RepoObject
+        present @branch, with: Entities::RepoObject, project: user_project
+      end
+
+      # Protect a single branch
+      #
+      # Parameters:
+      #   id (required) - The ID of a project
+      #   branch (required) - The name of the branch
+      # Example Request:
+      #   PUT /projects/:id/repository/branches/:branch/protect
+      put ":id/repository/branches/:branch/protect" do
+        @branch = user_project.repo.heads.find { |item| item.name == params[:branch] }
+        protected = user_project.protected_branches.find_by_name(@branch.name)
+
+        unless protected
+          user_project.protected_branches.create(:name => @branch.name)
+        end
+
+        present @branch, with: Entities::RepoObject, project: user_project
+      end
+
+      # Unprotect a single branch
+      #
+      # Parameters:
+      #   id (required) - The ID of a project
+      #   branch (required) - The name of the branch
+      # Example Request:
+      #   PUT /projects/:id/repository/branches/:branch/unprotect
+      put ":id/repository/branches/:branch/unprotect" do
+        @branch = user_project.repo.heads.find { |item| item.name == params[:branch] }
+        protected = user_project.protected_branches.find_by_name(@branch.name)
+
+        if protected
+          protected.destroy
+        end
+
+        present @branch, with: Entities::RepoObject, project: user_project
       end
 
       # Get a project repository tags

spec/requests/api/projects_spec.rb

@@ -107,6 +107,29 @@ describe Gitlab::API do
 
       json_response['name'].should == 'new_design'
       json_response['commit']['id'].should == '621491c677087aa243f165eab467bfdfbee00be1'
+      json_response['protected'].should == false
+    end
+  end
+
+  describe "PUT /projects/:id/repository/branches/:branch/protect" do
+    it "should protect a single branch" do
+      put api("/projects/#{project.id}/repository/branches/new_design/protect", user)
+      response.status.should == 200
+
+      json_response['name'].should == 'new_design'
+      json_response['commit']['id'].should == '621491c677087aa243f165eab467bfdfbee00be1'
+      json_response['protected'].should == true
+    end
+  end
+
+  describe "PUT /projects/:id/repository/branches/:branch/unprotect" do
+    it "should unprotect a single branch" do
+      put api("/projects/#{project.id}/repository/branches/new_design/unprotect", user)
+      response.status.should == 200
+
+      json_response['name'].should == 'new_design'
+      json_response['commit']['id'].should == '621491c677087aa243f165eab467bfdfbee00be1'
+      json_response['protected'].should == false
     end
   end