From e0ab3ed5545df468411f1b8675de6873ed57e595 Mon Sep 17 00:00:00 2001
From: Fatih Acet <acetfatih@gmail.com>
Date: Sat, 18 Aug 2018 01:05:22 +0200
Subject: Disable Web IDE button if user is not allowed to push the source
 branch.

---
 .../components/mr_widget_header.vue                | 42 +++++++++++++++-----
 changelogs/unreleased/_acet-disable-ide-button.yml |  5 +++
 locale/gitlab.pot                                  |  3 ++
 .../components/mr_widget_header_spec.js            | 45 ++++++++++++++--------
 4 files changed, 69 insertions(+), 26 deletions(-)
 create mode 100644 changelogs/unreleased/_acet-disable-ide-button.yml

diff --git a/app/assets/javascripts/vue_merge_request_widget/components/mr_widget_header.vue b/app/assets/javascripts/vue_merge_request_widget/components/mr_widget_header.vue
index 72bd28ae03f..4c3f8dff3c4 100644
--- a/app/assets/javascripts/vue_merge_request_widget/components/mr_widget_header.vue
+++ b/app/assets/javascripts/vue_merge_request_widget/components/mr_widget_header.vue
@@ -4,6 +4,7 @@ import { n__, s__, sprintf } from '~/locale';
 import { mergeUrlParams, webIDEUrl } from '~/lib/utils/url_utility';
 import Icon from '~/vue_shared/components/icon.vue';
 import clipboardButton from '~/vue_shared/components/clipboard_button.vue';
+import tooltip from '~/vue_shared/directives/tooltip';
 import TooltipOnTruncate from '~/vue_shared/components/tooltip_on_truncate.vue';
 
 export default {
@@ -13,6 +14,9 @@ export default {
     clipboardButton,
     TooltipOnTruncate,
   },
+  directives: {
+    tooltip,
+  },
   props: {
     mr: {
       type: Object,
@@ -40,10 +44,19 @@ export default {
       });
     },
     webIdePath() {
-      return mergeUrlParams({
-        target_project: this.mr.sourceProjectFullPath !== this.mr.targetProjectFullPath ?
-          this.mr.targetProjectFullPath : '',
-      }, webIDEUrl(`/${this.mr.sourceProjectFullPath}/merge_requests/${this.mr.iid}`));
+      if (this.mr.canPushToSourceBranch) {
+        return mergeUrlParams({
+          target_project: this.mr.sourceProjectFullPath !== this.mr.targetProjectFullPath ?
+            this.mr.targetProjectFullPath : '',
+        }, webIDEUrl(`/${this.mr.sourceProjectFullPath}/merge_requests/${this.mr.iid}`));
+      }
+
+      return null;
+    },
+    ideButtonTitle() {
+      return !this.mr.canPushToSourceBranch
+        ? s__('mrWidget|You are not allowed to edit this project directly. Please fork to make changes.')
+        : '';
     },
   },
 };
@@ -93,13 +106,22 @@ export default {
         v-if="mr.isOpen"
         class="branch-actions"
       >
-        <a
-          v-if="!mr.sourceBranchRemoved"
-          :href="webIdePath"
-          class="btn btn-default inline js-web-ide d-none d-md-inline-block"
+        <span
+          v-tooltip
+          :title="ideButtonTitle"
+          data-placement="bottom"
+          tabindex="0"
         >
-          {{ s__("mrWidget|Open in Web IDE") }}
-        </a>
+          <a
+            v-if="!mr.sourceBranchRemoved"
+            :href="webIdePath"
+            :class="{ disabled: !mr.canPushToSourceBranch }"
+            class="btn btn-default inline js-web-ide d-none d-md-inline-block"
+            role="button"
+          >
+            {{ s__("mrWidget|Open in Web IDE") }}
+          </a>
+        </span>
         <button
           :disabled="mr.sourceBranchRemoved"
           data-target="#modal_merge_info"
diff --git a/changelogs/unreleased/_acet-disable-ide-button.yml b/changelogs/unreleased/_acet-disable-ide-button.yml
new file mode 100644
index 00000000000..2fff3847052
--- /dev/null
+++ b/changelogs/unreleased/_acet-disable-ide-button.yml
@@ -0,0 +1,5 @@
+---
+title: Disable Web IDE button if user is not allowed to push the source branch.
+merge_request: 21288
+author:
+type: added
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index 936b85146d4..4f79cbd12bb 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -6796,6 +6796,9 @@ msgstr ""
 msgid "mrWidget|This project is archived, write access has been disabled"
 msgstr ""
 
+msgid "mrWidget|You are not allowed to edit this project directly. Please fork to make changes."
+msgstr ""
+
 msgid "mrWidget|You can merge this merge request manually using the"
 msgstr ""
 
diff --git a/spec/javascripts/vue_mr_widget/components/mr_widget_header_spec.js b/spec/javascripts/vue_mr_widget/components/mr_widget_header_spec.js
index 0e42537faed..237e2fa79f2 100644
--- a/spec/javascripts/vue_mr_widget/components/mr_widget_header_spec.js
+++ b/spec/javascripts/vue_mr_widget/components/mr_widget_header_spec.js
@@ -114,28 +114,31 @@ describe('MRWidgetHeader', () => {
     });
 
     describe('with an open merge request', () => {
+      const mrDefaultOptions = {
+        iid: 1,
+        divergedCommitsCount: 12,
+        sourceBranch: 'mr-widget-refactor',
+        sourceBranchLink: '<a href="/foo/bar/mr-widget-refactor">mr-widget-refactor</a>',
+        sourceBranchRemoved: false,
+        targetBranchPath: 'foo/bar/commits-path',
+        targetBranchTreePath: 'foo/bar/tree/path',
+        targetBranch: 'master',
+        isOpen: true,
+        canPushToSourceBranch: true,
+        emailPatchesPath: '/mr/email-patches',
+        plainDiffPath: '/mr/plainDiffPath',
+        statusPath: 'abc',
+        sourceProjectFullPath: 'root/gitlab-ce',
+        targetProjectFullPath: 'gitlab-org/gitlab-ce',
+      };
+
       afterEach(() => {
         vm.$destroy();
       });
 
       beforeEach(() => {
         vm = mountComponent(Component, {
-          mr: {
-            iid: 1,
-            divergedCommitsCount: 12,
-            sourceBranch: 'mr-widget-refactor',
-            sourceBranchLink: '<a href="/foo/bar/mr-widget-refactor">mr-widget-refactor</a>',
-            sourceBranchRemoved: false,
-            targetBranchPath: 'foo/bar/commits-path',
-            targetBranchTreePath: 'foo/bar/tree/path',
-            targetBranch: 'master',
-            isOpen: true,
-            emailPatchesPath: '/mr/email-patches',
-            plainDiffPath: '/mr/plainDiffPath',
-            statusPath: 'abc',
-            sourceProjectFullPath: 'root/gitlab-ce',
-            targetProjectFullPath: 'gitlab-org/gitlab-ce',
-          },
+          mr: Object.assign({}, mrDefaultOptions),
         });
       });
 
@@ -151,11 +154,21 @@ describe('MRWidgetHeader', () => {
         const button = vm.$el.querySelector('.js-web-ide');
 
         expect(button.textContent.trim()).toEqual('Open in Web IDE');
+        expect(button.classList.contains('disabled')).toBe(false);
         expect(button.getAttribute('href')).toEqual(
           '/-/ide/project/root/gitlab-ce/merge_requests/1?target_project=gitlab-org%2Fgitlab-ce',
         );
       });
 
+      it('renders web ide button in disabled state with no href', () => {
+        const mr = Object.assign({}, mrDefaultOptions, { canPushToSourceBranch: false });
+        vm = mountComponent(Component, { mr });
+
+        const link = vm.$el.querySelector('.js-web-ide');
+        expect(link.classList.contains('disabled')).toBe(true);
+        expect(link.getAttribute('href')).toBeNull();
+      });
+
       it('renders web ide button with blank query string if target & source project branch', done => {
         vm.mr.targetProjectFullPath = 'root/gitlab-ce';
 
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