Implement multi select deletion for container registry

Added checkboxes to each image row
Added delete selected images button
Changed row delete button to appear on row hover
Changed confirmation modal message
Changed delete logic to support multi
Added tests for multi select
Updated pot file
Updated rspec test for new functionality

7 files changed, 282 insertions, 46 deletions

diff --git a/app/assets/javascripts/registry/components/collapsible_container.vue b/app/assets/javascripts/registry/components/collapsible_container.vue
index e157036871b..bfb2305c48c 100644
--- a/app/assets/javascripts/registry/components/collapsible_container.vue
+++ b/app/assets/javascripts/registry/components/collapsible_container.vue
@@ -84,7 +84,7 @@ export default {
           v-gl-modal="modalId"
           :title="s__('ContainerRegistry|Remove repository')"
           :aria-label="s__('ContainerRegistry|Remove repository')"
-          class="js-remove-repo"
+          class="js-remove-repo btn-inverted"
           variant="danger"
         >
           <icon name="remove" />
diff --git a/app/assets/javascripts/registry/components/table_registry.vue b/app/assets/javascripts/registry/components/table_registry.vue
index a498a553908..a241db13e5a 100644
--- a/app/assets/javascripts/registry/components/table_registry.vue
+++ b/app/assets/javascripts/registry/components/table_registry.vue
@@ -1,7 +1,13 @@
 <script>
 import { mapActions } from 'vuex';
-import { GlButton, GlTooltipDirective, GlModal, GlModalDirective } from '@gitlab/ui';
-import { n__ } from '../../locale';
+import {
+  GlButton,
+  GlFormCheckbox,
+  GlTooltipDirective,
+  GlModal,
+  GlModalDirective,
+} from '@gitlab/ui';
+import { n__, s__, sprintf } from '../../locale';
 import createFlash from '../../flash';
 import ClipboardButton from '../../vue_shared/components/clipboard_button.vue';
 import TablePagination from '../../vue_shared/components/pagination/table_pagination.vue';
@@ -14,6 +20,7 @@ export default {
   components: {
     ClipboardButton,
     TablePagination,
+    GlFormCheckbox,
     GlButton,
     Icon,
     GlModal,
@@ -31,14 +38,44 @@ export default {
   },
   data() {
     return {
-      itemToBeDeleted: null,
+      singleItemToBeDeleted: null,
+      itemsToBeDeleted: [],
       modalId: `confirm-image-deletion-modal-${this.repo.id}`,
+      selectAllChecked: false,
     };
   },
   computed: {
     shouldRenderPagination() {
       return this.repo.pagination.total > this.repo.pagination.perPage;
     },
+    modalTitle() {
+      if (this.singleItemToBeDeleted !== null || this.itemsToBeDeleted.length === 1) {
+        return s__('ContainerRegistry|Remove image');
+      }
+      return s__('ContainerRegistry|Remove images');
+    },
+    modalDescription() {
+      const selectedCount = this.itemsToBeDeleted.length;
+
+      if (this.singleItemToBeDeleted !== null || selectedCount === 1) {
+        const { tag } =
+          this.singleItemToBeDeleted !== null
+            ? this.repo.list[this.singleItemToBeDeleted]
+            : this.repo.list[this.itemsToBeDeleted[0]];
+
+        return sprintf(
+          s__(`ContainerRegistry|You are about to delete the image <b>%{title}</b>. This will
+          delete the image and all tags pointing to this image.`),
+          { title: `${this.repo.name}:${tag}` },
+        );
+      }
+
+      return sprintf(
+        s__(`ContainerRegistry|You are about to delete <b>%{count}</b> images. This will
+          delete the images and all tags pointing to them.`),
+        { count: selectedCount },
+      );
+    },
   },
   methods: {
     ...mapActions(['fetchList', 'deleteItem']),
@@ -48,13 +85,32 @@ export default {
     formatSize(size) {
       return numberToHumanSize(size);
     },
-    setItemToBeDeleted(item) {
-      this.itemToBeDeleted = item;
+    setSingleItemToBeDeleted(idx) {
+      this.singleItemToBeDeleted = idx;
+    },
+    resetSingleItemToBeDeleted() {
+      this.singleItemToBeDeleted = null;
     },
     handleDeleteRegistry() {
-      const { itemToBeDeleted } = this;
-      this.itemToBeDeleted = null;
-      this.deleteItem(itemToBeDeleted)
+      let { itemsToBeDeleted } = this;
+      this.itemsToBeDeleted = [];
+
+      if (this.singleItemToBeDeleted !== null) {
+        const { singleItemToBeDeleted } = this;
+        this.singleItemToBeDeleted = null;
+        itemsToBeDeleted = [singleItemToBeDeleted];
+      }
+
+      const deleteActions = itemsToBeDeleted.map(
+        x =>
+          new Promise((resolve, reject) => {
+            this.deleteItem(this.repo.list[x])
+              .then(resolve)
+              .catch(reject);
+          }),
+      );
+
+      Promise.all(deleteActions)
         .then(() => this.fetchList({ repo: this.repo }))
         .catch(() => this.showError(errorMessagesTypes.DELETE_REGISTRY));
     },
@@ -66,6 +122,29 @@ export default {
     showError(message) {
       createFlash(errorMessages[message]);
     },
+    selectAll() {
+      if (!this.selectAllChecked) {
+        this.itemsToBeDeleted = this.repo.list.map((x, idx) => idx);
+        this.selectAllChecked = true;
+      } else {
+        this.itemsToBeDeleted = [];
+        this.selectAllChecked = false;
+      }
+    },
+    updateItemsToBeDeleted(idx) {
+      const delIdx = this.itemsToBeDeleted.findIndex(x => x === idx);
+
+      if (delIdx > -1) {
+        this.itemsToBeDeleted.splice(delIdx, 1);
+        this.selectAllChecked = false;
+      } else {
+        this.itemsToBeDeleted.push(idx);
+
+        if (this.itemsToBeDeleted.length === this.repo.list.length) {
+          this.selectAllChecked = true;
+        }
+      }
+    },
   },
 };
 </script>
@@ -74,15 +153,43 @@ export default {
     <table class="table tags">
       <thead>
         <tr>
+          <th>
+            <gl-form-checkbox
+              v-if="repo.canDelete"
+              class="js-select-all-checkbox"
+              :checked="selectAllChecked"
+              @change="selectAll"
+            />
+          </th>
           <th>{{ s__('ContainerRegistry|Tag') }}</th>
           <th>{{ s__('ContainerRegistry|Tag ID') }}</th>
           <th>{{ s__('ContainerRegistry|Size') }}</th>
           <th>{{ s__('ContainerRegistry|Last Updated') }}</th>
-          <th></th>
+          <th>
+            <gl-button
+              v-if="repo.canDelete"
+              v-gl-tooltip
+              v-gl-modal="modalId"
+              :disabled="!itemsToBeDeleted || itemsToBeDeleted.length === 0"
+              class="js-delete-registry float-right"
+              variant="danger"
+              :title="s__('ContainerRegistry|Remove selected images')"
+              :aria-label="s__('ContainerRegistry|Remove selected images')"
+              ><icon name="remove"
+            /></gl-button>
+          </th>
         </tr>
       </thead>
       <tbody>
-        <tr v-for="item in repo.list" :key="item.tag">
+        <tr v-for="(item, idx) in repo.list" :key="item.tag">
+          <td class="check">
+            <gl-form-checkbox
+              v-if="item.canDelete"
+              class="js-select-checkbox"
+              :checked="itemsToBeDeleted && itemsToBeDeleted.includes(idx)"
+              @change="updateItemsToBeDeleted(idx)"
+            />
+          </td>
           <td class="monospace">
             {{ item.tag }}
             <clipboard-button
@@ -111,16 +218,15 @@ export default {
             </span>
           </td>
 
-          <td class="content">
+          <td class="content action-buttons">
             <gl-button
               v-if="item.canDelete"
-              v-gl-tooltip
               v-gl-modal="modalId"
               :title="s__('ContainerRegistry|Remove image')"
               :aria-label="s__('ContainerRegistry|Remove image')"
               variant="danger"
-              class="js-delete-registry d-none d-sm-block float-right"
-              @click="setItemToBeDeleted(item)"
+              class="js-delete-registry-row float-right btn-inverted btn-border-color btn-icon"
+              @click="setSingleItemToBeDeleted(idx)"
             >
               <icon name="remove" />
             </gl-button>
@@ -135,19 +241,15 @@ export default {
       :page-info="repo.pagination"
     />
 
-    <gl-modal :modal-id="modalId" ok-variant="danger" @ok="handleDeleteRegistry">
-      <template v-slot:modal-title>{{ s__('ContainerRegistry|Remove image') }}</template>
-      <template v-slot:modal-ok>{{ s__('ContainerRegistry|Remove image and tags') }}</template>
-      <p
-        v-html="
-          sprintf(
-            s__(
-              'ContainerRegistry|You are about to delete the image <b>%{title}</b>. This will delete the image and all tags pointing to this image.',
-            ),
-            { title: repo.name },
-          )
-        "
-      ></p>
+    <gl-modal
+      :modal-id="modalId"
+      ok-variant="danger"
+      @ok="handleDeleteRegistry"
+      @cancel="resetSingleItemToBeDeleted"
+    >
+      <template v-slot:modal-title>{{ modalTitle }}</template>
+      <template v-slot:modal-ok>{{ s__('ContainerRegistry|Remove image(s) and tags') }}</template>
+      <p v-html="modalDescription"></p>
     </gl-modal>
   </div>
 </template>
diff --git a/app/assets/stylesheets/pages/container_registry.scss b/app/assets/stylesheets/pages/container_registry.scss
index a21fa29f34a..ed9de6f7e30 100644
--- a/app/assets/stylesheets/pages/container_registry.scss
+++ b/app/assets/stylesheets/pages/container_registry.scss
@@ -31,4 +31,27 @@
 
 .table.tags {
   margin-bottom: 0;
+
+  th {
+    height: 55px;
+  }
+
+  tr {
+    &:hover {
+      td {
+        &.action-buttons {
+          opacity: 1;
+        }
+      }
+    }
+
+    td.check {
+      padding-right: $gl-padding;
+      width: 5%;
+    }
+
+    td.action-buttons {
+      opacity: 0;
+    }
+  }
 }
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index 591dc2a7e39..557a8f2681e 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -3132,12 +3132,18 @@ msgstr ""
 msgid "ContainerRegistry|Remove image"
 msgstr ""
 
-msgid "ContainerRegistry|Remove image and tags"
+msgid "ContainerRegistry|Remove image(s) and tags"
+msgstr ""
+
+msgid "ContainerRegistry|Remove images"
 msgstr ""
 
 msgid "ContainerRegistry|Remove repository"
 msgstr ""
 
+msgid "ContainerRegistry|Remove selected images"
+msgstr ""
+
 msgid "ContainerRegistry|Size"
 msgstr ""
 
@@ -3159,6 +3165,9 @@ msgstr ""
 msgid "ContainerRegistry|With the Docker Container Registry integrated into GitLab, every project can have its own space to store its Docker images. %{docLinkStart}More Information%{docLinkEnd}"
 msgstr ""
 
+msgid "ContainerRegistry|You are about to delete <b>%{count}</b> images. This will delete the images and all tags pointing to them."
+msgstr ""
+
 msgid "ContainerRegistry|You are about to delete the image <b>%{title}</b>. This will delete the image and all tags pointing to this image."
 msgstr ""
 
diff --git a/spec/features/container_registry_spec.rb b/spec/features/container_registry_spec.rb
index 89dece97a35..aefdc4d6d4f 100644
--- a/spec/features/container_registry_spec.rb
+++ b/spec/features/container_registry_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-describe "Container Registry", :js do
+describe 'Container Registry', :js do
   let(:user) { create(:user) }
   let(:project) { create(:project) }
 
@@ -40,8 +40,7 @@ describe "Container Registry", :js do
     it 'user removes entire container repository' do
       visit_container_registry
 
-      expect_any_instance_of(ContainerRepository)
-        .to receive(:delete_tags!).and_return(true)
+      expect_any_instance_of(ContainerRepository).to receive(:delete_tags!).and_return(true)
 
       click_on(class: 'js-remove-repo')
       expect(find('.modal .modal-title')).to have_content 'Remove repository'
@@ -54,10 +53,9 @@ describe "Container Registry", :js do
       find('.js-toggle-repo').click
       wait_for_requests
 
-      expect_any_instance_of(ContainerRegistry::Tag)
-        .to receive(:delete).and_return(true)
+      expect_any_instance_of(ContainerRegistry::Tag).to receive(:delete).and_return(true)
 
-      click_on(class: 'js-delete-registry')
+      click_on(class: 'js-delete-registry-row', visible: false)
       expect(find('.modal .modal-title')).to have_content 'Remove image'
       find('.modal .modal-footer .btn-danger').click
     end
diff --git a/spec/javascripts/registry/components/table_registry_spec.js b/spec/javascripts/registry/components/table_registry_spec.js
index 31ac970378e..9ee326325e0 100644
--- a/spec/javascripts/registry/components/table_registry_spec.js
+++ b/spec/javascripts/registry/components/table_registry_spec.js
@@ -3,15 +3,19 @@ import tableRegistry from '~/registry/components/table_registry.vue';
 import store from '~/registry/stores';
 import { repoPropsData } from '../mock_data';
 
-const [firstImage] = repoPropsData.list;
+const [firstImage, secondImage] = repoPropsData.list;
 
 describe('table registry', () => {
   let vm;
   let Component;
 
   const findDeleteBtn = () => vm.$el.querySelector('.js-delete-registry');
+  const findDeleteBtnRow = () => vm.$el.querySelector('.js-delete-registry-row');
+  const findSelectAllCheckbox = () => vm.$el.querySelector('.js-select-all-checkbox > input');
+  const findAllRowCheckboxes = () =>
+    Array.from(vm.$el.querySelectorAll('.js-select-checkbox input'));
 
-  beforeEach(() => {
+  const createComponent = () => {
     Component = Vue.extend(tableRegistry);
     vm = new Component({
       store,
@@ -19,6 +23,10 @@ describe('table registry', () => {
         repo: repoPropsData,
       },
     }).$mount();
+  };
+
+  beforeEach(() => {
+    createComponent();
   });
 
   afterEach(() => {
@@ -41,23 +49,108 @@ describe('table registry', () => {
     expect(textRendered).toContain(repoPropsData.list[0].size);
   });
 
-  describe('delete registry', () => {
-    it('should be possible to delete a registry', () => {
-      expect(findDeleteBtn()).toBeDefined();
+  describe('multi select', () => {
+    beforeEach(() => {
+      vm.itemsToBeDeleted = [];
+    });
+
+    it('should support multiselect and selecting a row should enable delete button', done => {
+      findSelectAllCheckbox().click();
+
+      vm.selectAll();
+
+      expect(findSelectAllCheckbox().checked).toBe(true);
+
+      Vue.nextTick(() => {
+        expect(findDeleteBtn().disabled).toBe(false);
+        done();
+      });
     });
 
-    it('should call deleteItem and reset itemToBeDeleted when confirming deletion', done => {
-      findDeleteBtn().click();
-      spyOn(vm, 'deleteItem').and.returnValue(Promise.resolve());
+    it('selecting all checkbox should select all rows and enable delete button', done => {
+      findSelectAllCheckbox().click();
+      vm.selectAll();
 
       Vue.nextTick(() => {
-        document.querySelector(`#${vm.modalId} .btn-danger`).click();
+        const checkedValues = findAllRowCheckboxes().filter(x => x.checked);
 
-        expect(vm.deleteItem).toHaveBeenCalledWith(firstImage);
-        expect(vm.itemToBeDeleted).toBeNull();
+        expect(checkedValues.length).toBe(repoPropsData.list.length);
         done();
       });
     });
+
+    it('deselecting select all checkbox should deselect all rows and disable delete button', done => {
+      findSelectAllCheckbox().click();
+      vm.selectAll(); // Select them all on
+      vm.selectAll(); // Select them all off
+
+      Vue.nextTick(() => {
+        const checkedValues = findAllRowCheckboxes().filter(x => x.checked);
+
+        expect(checkedValues.length).toBe(0);
+        done();
+      });
+    });
+
+    it('should delete multiple items when multiple items are selected', done => {
+      findSelectAllCheckbox().click();
+      vm.selectAll();
+
+      Vue.nextTick(() => {
+        expect(vm.itemsToBeDeleted).toEqual([0, 1]);
+        expect(findDeleteBtn().disabled).toBe(false);
+
+        findDeleteBtn().click();
+        spyOn(vm, 'deleteItem').and.returnValue(Promise.resolve());
+
+        Vue.nextTick(() => {
+          const modal = document.querySelector(`#${vm.modalId}`);
+          document.querySelector(`#${vm.modalId} .btn-danger`).click();
+
+          expect(modal).toExist();
+
+          Vue.nextTick(() => {
+            expect(vm.itemsToBeDeleted).toEqual([]);
+            expect(vm.deleteItem).toHaveBeenCalledWith(firstImage);
+            expect(vm.deleteItem).toHaveBeenCalledWith(secondImage);
+            done();
+          });
+        });
+      });
+    });
+  });
+
+  describe('delete registry', () => {
+    beforeEach(() => {
+      vm.itemsToBeDeleted = [0];
+    });
+
+    it('should be possible to delete a registry', done => {
+      Vue.nextTick(() => {
+        expect(vm.itemsToBeDeleted).toEqual([0]);
+        expect(findDeleteBtn()).toBeDefined();
+        expect(findDeleteBtn().disabled).toBe(false);
+        expect(findDeleteBtnRow()).toBeDefined();
+        done();
+      });
+    });
+
+    it('should call deleteItem and reset itemsToBeDeleted when confirming deletion', done => {
+      Vue.nextTick(() => {
+        expect(vm.itemsToBeDeleted).toEqual([0]);
+        expect(findDeleteBtn().disabled).toBe(false);
+        findDeleteBtn().click();
+        spyOn(vm, 'deleteItem').and.returnValue(Promise.resolve());
+
+        Vue.nextTick(() => {
+          document.querySelector(`#${vm.modalId} .btn-danger`).click();
+
+          expect(vm.itemsToBeDeleted).toEqual([]);
+          expect(vm.deleteItem).toHaveBeenCalledWith(firstImage);
+          done();
+        });
+      });
+    });
   });
 
   describe('pagination', () => {
diff --git a/spec/javascripts/registry/mock_data.js b/spec/javascripts/registry/mock_data.js
index 22db203e77f..130ab298e89 100644
--- a/spec/javascripts/registry/mock_data.js
+++ b/spec/javascripts/registry/mock_data.js
@@ -108,6 +108,17 @@ export const repoPropsData = {
       destroyPath: 'path',
       canDelete: true,
     },
+    {
+      tag: 'test-image',
+      revision: 'b969de599faea2b3d9b6605a8b0897261c571acaa36db1bdc7349b5775b4e0b4',
+      shortRevision: 'b969de599',
+      size: 19,
+      layers: 10,
+      location: 'location-2',
+      createdAt: 1505828744434,
+      destroyPath: 'path-2',
+      canDelete: true,
+    },
   ],
   location: 'location',
   name: 'foo',