From 561d1f41b5803b90ef4baf0d129e28dde3fc2f25 Mon Sep 17 00:00:00 2001
From: GitLab Bot <gitlab-bot@gitlab.com>
Date: Thu, 13 May 2021 18:10:32 +0000
Subject: Add latest changes from gitlab-org/gitlab@master

---
 .../components/file_nav/branch_switcher.vue        | 136 ++++++++++++++++++---
 .../javascripts/pipeline_editor/constants.js       |   3 +
 .../graphql/queries/available_branches.graphql     |  13 +-
 .../pipeline_editor/graphql/resolvers.js           |  16 ---
 app/assets/javascripts/pipeline_editor/index.js    |   2 +
 5 files changed, 130 insertions(+), 40 deletions(-)

(limited to 'app/assets/javascripts/pipeline_editor')

diff --git a/app/assets/javascripts/pipeline_editor/components/file_nav/branch_switcher.vue b/app/assets/javascripts/pipeline_editor/components/file_nav/branch_switcher.vue
index af5f77e2d64..1acf3a03e73 100644
--- a/app/assets/javascripts/pipeline_editor/components/file_nav/branch_switcher.vue
+++ b/app/assets/javascripts/pipeline_editor/components/file_nav/branch_switcher.vue
@@ -1,34 +1,77 @@
 <script>
-import { GlDropdown, GlDropdownItem, GlDropdownSectionHeader, GlIcon } from '@gitlab/ui';
+import {
+  GlDropdown,
+  GlDropdownItem,
+  GlDropdownSectionHeader,
+  GlInfiniteScroll,
+  GlLoadingIcon,
+  GlSearchBoxByType,
+} from '@gitlab/ui';
 import { historyPushState } from '~/lib/utils/common_utils';
 import { setUrlParams } from '~/lib/utils/url_utility';
 import { s__ } from '~/locale';
-import { DEFAULT_FAILURE } from '~/pipeline_editor/constants';
+import {
+  BRANCH_PAGINATION_LIMIT,
+  BRANCH_SEARCH_DEBOUNCE,
+  DEFAULT_FAILURE,
+} from '~/pipeline_editor/constants';
 import getAvailableBranches from '~/pipeline_editor/graphql/queries/available_branches.graphql';
 import getCurrentBranch from '~/pipeline_editor/graphql/queries/client/current_branch.graphql';
 
 export default {
   i18n: {
+    dropdownHeader: s__('Switch Branch'),
     title: s__('Branches'),
     fetchError: s__('Unable to fetch branch list for this project.'),
   },
+  inputDebounce: BRANCH_SEARCH_DEBOUNCE,
   components: {
     GlDropdown,
     GlDropdownItem,
     GlDropdownSectionHeader,
-    GlIcon,
+    GlInfiniteScroll,
+    GlLoadingIcon,
+    GlSearchBoxByType,
+  },
+  inject: ['projectFullPath', 'totalBranches'],
+  props: {
+    paginationLimit: {
+      type: Number,
+      required: false,
+      default: BRANCH_PAGINATION_LIMIT,
+    },
+  },
+  data() {
+    return {
+      branches: [],
+      page: {
+        limit: this.paginationLimit,
+        offset: 0,
+        searchTerm: '',
+      },
+    };
   },
-  inject: ['projectFullPath'],
   apollo: {
-    branches: {
+    availableBranches: {
       query: getAvailableBranches,
       variables() {
         return {
+          limit: this.page.limit,
+          offset: this.page.offset,
           projectFullPath: this.projectFullPath,
+          searchPattern: this.searchPattern,
         };
       },
       update(data) {
-        return data.project?.repository?.branches || [];
+        return data.project?.repository?.branchNames || [];
+      },
+      result({ data }) {
+        const newBranches = data.project?.repository?.branchNames || [];
+
+        // check that we're not re-concatenating existing fetch results
+        if (!this.branches.includes(newBranches[0])) {
+          this.branches = this.branches.concat(newBranches);
+        }
       },
       error() {
         this.$emit('showError', {
@@ -42,11 +85,37 @@ export default {
     },
   },
   computed: {
-    hasBranchList() {
-      return this.branches?.length > 0;
+    isBranchesLoading() {
+      return this.$apollo.queries.availableBranches.loading;
+    },
+    showBranchSwitcher() {
+      return this.branches.length > 0 || this.page.searchTerm.length > 0;
+    },
+    searchPattern() {
+      if (this.page.searchTerm === '') {
+        return '*';
+      }
+
+      return `*${this.page.searchTerm}*`;
     },
   },
   methods: {
+    // if there is no searchPattern, paginate by {paginationLimit} branches
+    fetchNextBranches() {
+      if (
+        this.isBranchesLoading ||
+        this.page.searchTerm.length > 0 ||
+        this.branches.length === this.totalBranches
+      ) {
+        return;
+      }
+
+      this.page = {
+        ...this.page,
+        limit: this.paginationLimit,
+        offset: this.page.offset + this.paginationLimit,
+      };
+    },
     async selectBranch(newBranch) {
       if (newBranch === this.currentBranch) {
         return;
@@ -62,24 +131,53 @@ export default {
 
       this.$emit('refetchContent');
     },
+    setSearchTerm(newSearchTerm) {
+      this.branches = [];
+      this.page = {
+        limit: newSearchTerm.trim() === '' ? this.paginationLimit : this.totalBranches,
+        offset: 0,
+        searchTerm: newSearchTerm.trim(),
+      };
+    },
   },
 };
 </script>
 
 <template>
-  <gl-dropdown v-if="hasBranchList" class="gl-ml-2" :text="currentBranch" icon="branch">
+  <gl-dropdown
+    v-if="showBranchSwitcher"
+    class="gl-ml-2"
+    :header-text="$options.i18n.dropdownHeader"
+    :text="currentBranch"
+    icon="branch"
+  >
+    <gl-search-box-by-type :debounce="$options.inputDebounce" @input="setSearchTerm" />
     <gl-dropdown-section-header>
-      {{ this.$options.i18n.title }}
+      {{ $options.i18n.title }}
     </gl-dropdown-section-header>
-    <gl-dropdown-item
-      v-for="branch in branches"
-      :key="branch.name"
-      :is-checked="currentBranch === branch.name"
-      :is-check-item="true"
-      @click="selectBranch(branch.name)"
+
+    <gl-infinite-scroll
+      :fetched-items="branches.length"
+      :total-items="totalBranches"
+      :max-list-height="250"
+      @bottomReached="fetchNextBranches"
     >
-      <gl-icon name="check" class="gl-visibility-hidden" />
-      {{ branch.name }}
-    </gl-dropdown-item>
+      <template #items>
+        <gl-dropdown-item
+          v-for="branch in branches"
+          :key="branch"
+          :is-checked="currentBranch === branch"
+          :is-check-item="true"
+          @click="selectBranch(branch)"
+        >
+          {{ branch }}
+        </gl-dropdown-item>
+      </template>
+      <template #default>
+        <gl-dropdown-item v-if="isBranchesLoading" key="loading">
+          <gl-loading-icon size="md" />
+        </gl-dropdown-item>
+      </template>
+    </gl-infinite-scroll>
   </gl-dropdown>
 </template>
diff --git a/app/assets/javascripts/pipeline_editor/constants.js b/app/assets/javascripts/pipeline_editor/constants.js
index dba815368eb..f0a24e0c061 100644
--- a/app/assets/javascripts/pipeline_editor/constants.js
+++ b/app/assets/javascripts/pipeline_editor/constants.js
@@ -28,3 +28,6 @@ export const COMMIT_ACTION_CREATE = 'CREATE';
 export const COMMIT_ACTION_UPDATE = 'UPDATE';
 
 export const DRAWER_EXPANDED_KEY = 'pipeline_editor_drawer_expanded';
+
+export const BRANCH_PAGINATION_LIMIT = 20;
+export const BRANCH_SEARCH_DEBOUNCE = '500';
diff --git a/app/assets/javascripts/pipeline_editor/graphql/queries/available_branches.graphql b/app/assets/javascripts/pipeline_editor/graphql/queries/available_branches.graphql
index f162bb11d47..46e9b108b41 100644
--- a/app/assets/javascripts/pipeline_editor/graphql/queries/available_branches.graphql
+++ b/app/assets/javascripts/pipeline_editor/graphql/queries/available_branches.graphql
@@ -1,9 +1,12 @@
-query getAvailableBranches($projectFullPath: ID!) {
-  project(fullPath: $projectFullPath) @client {
+query getAvailableBranches(
+  $limit: Int!
+  $offset: Int!
+  $projectFullPath: ID!
+  $searchPattern: String!
+) {
+  project(fullPath: $projectFullPath) {
     repository {
-      branches {
-        name
-      }
+      branchNames(limit: $limit, offset: $offset, searchPattern: $searchPattern)
     }
   }
 }
diff --git a/app/assets/javascripts/pipeline_editor/graphql/resolvers.js b/app/assets/javascripts/pipeline_editor/graphql/resolvers.js
index 1028770667a..81e75c32846 100644
--- a/app/assets/javascripts/pipeline_editor/graphql/resolvers.js
+++ b/app/assets/javascripts/pipeline_editor/graphql/resolvers.js
@@ -11,22 +11,6 @@ export const resolvers = {
         }),
       };
     },
-    /* eslint-disable @gitlab/require-i18n-strings */
-    project() {
-      return {
-        __typename: 'Project',
-        repository: {
-          __typename: 'Repository',
-          branches: [
-            { __typename: 'Branch', name: 'main' },
-            { __typename: 'Branch', name: 'develop' },
-            { __typename: 'Branch', name: 'production' },
-            { __typename: 'Branch', name: 'test' },
-          ],
-        },
-      };
-    },
-    /* eslint-enable @gitlab/require-i18n-strings */
   },
   Mutation: {
     lintCI: (_, { endpoint, content, dry_run }) => {
diff --git a/app/assets/javascripts/pipeline_editor/index.js b/app/assets/javascripts/pipeline_editor/index.js
index 361e2b64e0b..66158bdba88 100644
--- a/app/assets/javascripts/pipeline_editor/index.js
+++ b/app/assets/javascripts/pipeline_editor/index.js
@@ -43,6 +43,7 @@ export const initPipelineEditor = (selector = '#js-pipeline-editor') => {
     projectPath,
     projectNamespace,
     runnerHelpPagePath,
+    totalBranches,
     ymlHelpPagePath,
   } = el?.dataset;
 
@@ -100,6 +101,7 @@ export const initPipelineEditor = (selector = '#js-pipeline-editor') => {
       projectPath,
       projectNamespace,
       runnerHelpPagePath,
+      totalBranches: parseInt(totalBranches, 10),
       ymlHelpPagePath,
     },
     render(h) {
-- 
cgit v1.2.3