Add support for list project forks (#305)

projects.go

@@ -178,16 +178,18 @@ func (s Project) String() string {
 // GitLab API docs: https://docs.gitlab.com/ce/api/projects.html#list-projects
 type ListProjectsOptions struct {
 	ListOptions
-	Archived   *bool            `url:"archived,omitempty" json:"archived,omitempty"`
-	OrderBy    *string          `url:"order_by,omitempty" json:"order_by,omitempty"`
-	Sort       *string          `url:"sort,omitempty" json:"sort,omitempty"`
-	Search     *string          `url:"search,omitempty" json:"search,omitempty"`
-	Simple     *bool            `url:"simple,omitempty" json:"simple,omitempty"`
-	Owned      *bool            `url:"owned,omitempty" json:"owned,omitempty"`
-	Membership *bool            `url:"membership,omitempty" json:"membership,omitempty"`
-	Starred    *bool            `url:"starred,omitempty" json:"starred,omitempty"`
-	Statistics *bool            `url:"statistics,omitempty" json:"statistics,omitempty"`
-	Visibility *VisibilityValue `url:"visibility,omitempty" json:"visibility,omitempty"`
+	Archived                 *bool            `url:"archived,omitempty" json:"archived,omitempty"`
+	OrderBy                  *string          `url:"order_by,omitempty" json:"order_by,omitempty"`
+	Sort                     *string          `url:"sort,omitempty" json:"sort,omitempty"`
+	Search                   *string          `url:"search,omitempty" json:"search,omitempty"`
+	Simple                   *bool            `url:"simple,omitempty" json:"simple,omitempty"`
+	Owned                    *bool            `url:"owned,omitempty" json:"owned,omitempty"`
+	Membership               *bool            `url:"membership,omitempty" json:"membership,omitempty"`
+	Starred                  *bool            `url:"starred,omitempty" json:"starred,omitempty"`
+	Statistics               *bool            `url:"statistics,omitempty" json:"statistics,omitempty"`
+	Visibility               *VisibilityValue `url:"visibility,omitempty" json:"visibility,omitempty"`
+	WithIssuesEnabled        *bool            `url:"with_issues_enabled,omitempty" json:"with_issues_enabled,omitempty"`
+	WithMergeRequestsEnabled *bool            `url:"with_merge_requests_enabled,omitempty" json:"with_merge_requests_enabled,omitempty"`
 }
 
 // ListProjects gets a list of projects accessible by the authenticated user.
@@ -903,3 +905,28 @@ func (s *ProjectsService) UploadFile(pid interface{}, file string, options ...Op
 
 	return uf, resp, nil
 }
+
+// ListProjectForks gets a list of project forks.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ce/api/projects.html#list-forks-of-a-project
+func (s *ProjectsService) ListProjectForks(pid interface{}, opt *ListProjectsOptions, options ...OptionFunc) ([]*Project, *Response, error) {
+	project, err := parseID(pid)
+	if err != nil {
+		return nil, nil, err
+	}
+	u := fmt.Sprintf("projects/%s/forks", url.QueryEscape(project))
+
+	req, err := s.client.NewRequest("GET", u, opt, options)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var forks []*Project
+	resp, err := s.client.Do(req, &forks)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return forks, resp, err
+}

projects_test.go

@@ -233,3 +233,36 @@ func TestUploadFile(t *testing.T) {
 		t.Errorf("Prokects.UploadFile returned %+v, want %+v", file, want)
 	}
 }
+
+func TestListProjectForks(t *testing.T) {
+	mux, server, client := setup()
+	defer teardown(server)
+
+	mux.HandleFunc("/projects/", func(w http.ResponseWriter, r *http.Request) {
+		want := "/projects/namespace%2Fname/forks"
+		if !strings.HasPrefix(r.RequestURI, want) {
+			t.Errorf("Request url: %+v, should have prefix %s", r.RequestURI, want)
+		}
+		testMethod(t, r, "GET")
+		fmt.Fprint(w, `[{"id":1},{"id":2}]`)
+	})
+
+	opt := &ListProjectsOptions{}
+	opt.ListOptions = ListOptions{2, 3}
+	opt.Archived = Bool(true)
+	opt.OrderBy = String("name")
+	opt.Sort = String("asc")
+	opt.Search = String("query")
+	opt.Simple = Bool(true)
+	opt.Visibility = Visibility(PublicVisibility)
+
+	projects, _, err := client.Projects.ListProjectForks("namespace/name", opt)
+	if err != nil {
+		t.Errorf("Projects.ListProjectForks returned error: %v", err)
+	}
+
+	want := []*Project{{ID: 1}, {ID: 2}}
+	if !reflect.DeepEqual(want, projects) {
+		t.Errorf("Projects.ListProjects returned %+v, want %+v", projects, want)
+	}
+}