Only display CC 0 license for shared annotations in public groups

Do not display the CC 0 license for annotations that are shared in a
private group.

src/sidebar/components/annotation.js

@@ -541,6 +541,17 @@ function AnnotationController(
     };
   };
 
+  /**
+   * Return true if the CC 0 license notice should be shown beneath the
+   * annotation body.
+   */
+  vm.shouldShowLicense = function () {
+    if (!vm.editing() || !vm.isShared()) {
+      return false;
+    }
+    return vm.group().public;
+  };
+
   init();
 }
 

src/sidebar/components/test/annotation-test.js

@@ -9,6 +9,25 @@ var testUtil = require('../../../shared/test/util');
 var util = require('../../directive/test/util');
 
 var inject = angular.mock.inject;
+var unroll = testUtil.unroll;
+
+var draftFixtures = {
+  shared: { text: 'draft', tags: [], isPrivate: false },
+  private: { text: 'draft', tags: [], isPrivate: true },
+};
+
+var groupFixtures = {
+  private: {
+    id: 'private',
+    url: 'https://example.org/g/private',
+    public: false,
+  },
+  public: {
+    id: 'world',
+    url: 'https://example.org/g/public',
+    public: true,
+  },
+};
 
 /**
  * Returns the annotation directive with helpers stubbed out.
@@ -157,7 +176,7 @@ describe('annotation', function() {
       fakeDrafts = {
         update: sandbox.stub(),
         remove: sandbox.stub(),
-        get: sandbox.stub(),
+        get: sandbox.stub().returns(null),
       };
 
       fakeFeatures = {
@@ -193,10 +212,8 @@ describe('annotation', function() {
       fakeServiceUrl = sinon.stub();
 
       fakeGroups = {
-        focused: function() {
-          return {};
-        },
-        get: function() {},
+        focused: sinon.stub().returns(groupFixtures.public),
+        get: sinon.stub().returns(groupFixtures.public),
       };
 
       fakeSettings = {
@@ -791,6 +808,39 @@ describe('annotation', function() {
       });
     });
 
+    describe('#shouldShowLicense', function () {
+      unroll('returns #expected if #case_', function (testCase) {
+        var ann = fixtures.publicAnnotation();
+        ann.group = testCase.group.id;
+        fakeDrafts.get.returns(testCase.draft);
+        fakeGroups.get.returns(testCase.group);
+
+        var controller = createDirective(ann).controller;
+
+        assert.equal(controller.shouldShowLicense(), testCase.expected);
+      }, [{
+        case_: 'the annotation is not being edited',
+        draft: null,
+        group: groupFixtures.public,
+        expected: false,
+      },{
+        case_: 'the draft is private',
+        draft: draftFixtures.private,
+        group: groupFixtures.public,
+        expected: false,
+      },{
+        case_: 'the group is private',
+        draft: draftFixtures.shared,
+        group: groupFixtures.private,
+        expected: false,
+      },{
+        case_: 'the draft is shared and the group is public',
+        draft: draftFixtures.shared,
+        group: groupFixtures.public,
+        expected: true,
+      }]);
+    });
+
     describe('saving a new annotation', function() {
       var annotation;
 

src/sidebar/templates/annotation.html

@@ -82,7 +82,7 @@
     </div>
 
     <div class="annotation-section annotation-license"
-      ng-show="vm.isShared() && vm.editing()">
+         ng-show="vm.shouldShowLicense()">
       <a class="annotation-license__link" href="http://creativecommons.org/publicdomain/zero/1.0/"
         title="View more information about the Creative Commons Public Domain dedication"
         target="_blank">