Add initial Sprints GraphQL endpoint

Adds a GraphQL type for Sprints as well as adding it to
Issues/Projects/Groups and adding an Issue::SetSprint and
Group::CreateSprint mutators.

ee/app/assets/javascripts/iterations/components/iteration_form.vue

+<script>
+import { GlButton, GlForm, GlFormInput } from '@gitlab/ui';
+import createFlash from '~/flash';
+import { visitUrl } from '~/lib/utils/url_utility';
+import { __ } from '~/locale';
+import MarkdownField from '~/vue_shared/components/markdown/field.vue';
+import createIteration from '../queries/create_iteration.mutation.graphql';
+import DueDateSelectors from '~/due_date_select';
+
+export default {
+  components: {
+    GlButton,
+    GlForm,
+    GlFormInput,
+    MarkdownField,
+  },
+  props: {
+    groupPath: {
+      type: String,
+      required: true,
+    },
+    previewMarkdownPath: {
+      type: String,
+      required: false,
+      default: '',
+    },
+    iterationsListPath: {
+      type: String,
+      required: true,
+    },
+  },
+  data() {
+    return {
+      iterations: [],
+      loading: false,
+      title: '',
+      description: '',
+      startDate: '',
+      dueDate: '',
+    };
+  },
+  mounted() {
+    // eslint-disable-next-line no-new
+    new DueDateSelectors();
+  },
+  methods: {
+    save() {
+      this.loading = true;
+      return this.$apollo
+        .mutate({
+          mutation: createIteration,
+          variables: {
+            input: {
+              groupPath: this.groupPath,
+              title: this.title,
+              description: this.description,
+              startDate: this.startDate,
+              dueDate: this.dueDate,
+            },
+          },
+        })
+        .then(({ data }) => {
+          const { errors, iteration } = data.createIteration;
+          if (errors?.length > 0) {
+            this.loading = false;
+            createFlash(errors[0]);
+            return;
+          }
+
+          visitUrl(iteration.webUrl);
+        })
+        .catch(() => {
+          this.loading = false;
+          createFlash(__('Unable to save iteration. Please try again'));
+        });
+    },
+    updateDueDate(val) {
+      this.dueDate = val;
+    },
+    updateStartDate(val) {
+      this.startDate = val;
+    },
+  },
+};
+</script>
+
+<template>
+  <div>
+    <div class="gl-display-flex">
+      <h3 class="page-title">{{ __('New Iteration') }}</h3>
+    </div>
+    <hr />
+    <gl-form class="row common-note-form">
+      <div class="col-md-6">
+        <div class="form-group row">
+          <div class="col-form-label col-sm-2">
+            <label for="iteration-title">{{ __('Title') }}</label>
+          </div>
+          <div class="col-sm-10">
+            <gl-form-input id="iteration-title" v-model="title" autocomplete="off" />
+          </div>
+        </div>
+
+        <div class="form-group row">
+          <div class="col-form-label col-sm-2">
+            <label for="iteration-description">{{ __('Description') }}</label>
+          </div>
+          <div class="col-sm-10">
+            <markdown-field
+              :markdown-preview-path="previewMarkdownPath"
+              :can-attach-file="false"
+              :enable-autocomplete="true"
+              label="Description"
+              :textarea-value="description"
+              markdown-docs-path="/help/user/markdown"
+              :add-spacing-classes="false"
+              class="md-area"
+            >
+              <template #textarea>
+                <textarea
+                  id="iteration-description"
+                  v-model="description"
+                  class="note-textarea js-gfm-input js-autosize markdown-area"
+                  dir="auto"
+                  data-supports-quick-actions="false"
+                  :aria-label="__('Description')"
+                >
+                </textarea>
+              </template>
+            </markdown-field>
+          </div>
+        </div>
+      </div>
+
+      <div class="col-md-6">
+        <div class="form-group row">
+          <div class="col-form-label col-sm-2">
+            <label for="iteration-start-date">{{ __('Start date') }}</label>
+          </div>
+          <div class="col-sm-10">
+            <gl-form-input
+              id="iteration-start-date"
+              v-model="startDate"
+              class="datepicker form-control"
+              :placeholder="__('Select start date')"
+              autocomplete="off"
+              @change="updateStartDate"
+            />
+            <a class="inline float-right gl-mt-2 js-clear-start-date" href="#">{{
+              __('Clear start date')
+            }}</a>
+          </div>
+        </div>
+        <div class="form-group row">
+          <div class="col-form-label col-sm-2">
+            <label for="iteration-due-date">{{ __('Due Date') }}</label>
+          </div>
+          <div class="col-sm-10">
+            <gl-form-input
+              id="iteration-due-date"
+              v-model="dueDate"
+              class="datepicker form-control"
+              :placeholder="__('Select due date')"
+              autocomplete="off"
+              @change="updateDueDate"
+            />
+            <a class="inline float-right gl-mt-2 js-clear-due-date" href="#">{{
+              __('Clear due date')
+            }}</a>
+          </div>
+        </div>
+      </div>
+    </gl-form>
+
+    <div class="form-actions d-flex">
+      <gl-button :loading="loading" data-testid="save-iteration" variant="success" @click="save">{{
+        __('Create iteration')
+      }}</gl-button>
+      <gl-button class="ml-auto" data-testid="cancel-iteration" :href="iterationsListPath">{{
+        __('Cancel')
+      }}</gl-button>
+    </div>
+  </div>
+</template>

ee/app/assets/javascripts/iterations/index.js

+import Vue from 'vue';
+import VueApollo from 'vue-apollo';
+import createDefaultClient from '~/lib/graphql';
+import IterationForm from './components/iteration_form.vue';
+
+Vue.use(VueApollo);
+
+const apolloProvider = new VueApollo({
+  defaultClient: createDefaultClient(),
+});
+
+export function initIterationForm() {
+  const el = document.querySelector('.js-iteration-new');
+
+  if (!el) {
+    return null;
+  }
+
+  return new Vue({
+    el,
+    apolloProvider,
+    render(createElement) {
+      return createElement(IterationForm, {
+        props: {
+          groupPath: el.dataset.groupFullPath,
+          previewMarkdownPath: el.dataset.previewMarkdownPath,
+          iterationsListPath: el.dataset.iterationsListPath,
+        },
+      });
+    },
+  });
+}
+
+export default {};

ee/app/assets/javascripts/iterations/queries/create_iteration.mutation.graphql

+mutation createIteration($input: CreateIterationInput!) {
+  createIteration(input: $input) {
+    iteration {
+      title,
+      description,
+      startDate,
+      dueDate,
+      webUrl
+    }
+    errors
+  }
+}

ee/app/assets/javascripts/iterations/queries/group_iteration.query.graphql

+query GroupIterations($fullPath: ID!, $state: IterationState) {
+  group(fullPath: $fullPath) {
+    sprints(state: $state, first: 20) {
+      nodes {
+        title
+        state
+        id
+        webPath
+        startDate
+        dueDate
+      }
+    }
+  }
+}

ee/app/assets/javascripts/pages/groups/iterations/new/index.js

+import { initIterationForm } from 'ee/iterations';
+
+document.addEventListener('DOMContentLoaded', () => {
+  initIterationForm();
+});

ee/app/views/groups/iterations/new.html.haml

@@ -2,7 +2,4 @@
 - breadcrumb_title _("New")
 - page_title _("Iterations")
 
-%h3.page-title
-  = _("New Iteration")
-
-.js-iteration-new{ data: { group_full_path: @group.full_path } }
+.js-iteration-new{ data: { group_full_path: @group.full_path, preview_markdown_path: preview_markdown_path(@group), iterations_list_path: group_iterations_path(@group) } }

ee/spec/features/groups/iteration_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'Group iterations' do
+  let_it_be(:title_selector) { 'iteration-title' }
+  let_it_be(:description_selector) { '#iteration-description' }
+  let_it_be(:start_date_selector) { '#iteration-start-date' }
+  let_it_be(:due_date_selector) { '#iteration-due-date' }
+
+  let_it_be(:group) { create(:group) }
+  let_it_be(:project) { create(:project_empty_repo, group: group) }
+  let_it_be(:user) { create(:group_member, :maintainer, user: create(:user), group: group ).user }
+
+  around do |example|
+    Timecop.freeze { example.run }
+  end
+
+  before do
+    sign_in(user)
+  end
+
+  context 'create an iteration', :js do
+    before do
+      visit new_group_iteration_path(group)
+    end
+
+    it 'renders description preview' do
+      description = find(description_selector)
+      description.native.send_keys('')
+      click_button('Preview')
+      preview = find('.js-vue-md-preview')
+
+      expect(preview).to have_content('Nothing to preview.')
+
+      click_button('Write')
+      description.native.send_keys(':+1: Nice')
+      click_button('Preview')
+
+      expect(preview).to have_css('gl-emoji')
+      expect(find('#iteration-description', visible: false)).not_to be_visible
+    end
+
+    it 'description input does not support autocomplete' do
+      description = find(description_selector)
+      description.native.send_keys('!')
+
+      expect(page).not_to have_selector('.atwho-view')
+    end
+  end
+end

ee/spec/frontend/iterations/components/iteration_form_spec.js

+import { shallowMount } from '@vue/test-utils';
+import { ApolloMutation } from 'vue-apollo';
+import { GlForm } from '@gitlab/ui';
+import { visitUrl } from '~/lib/utils/url_utility';
+import IterationForm from 'ee/iterations/components/iteration_form.vue';
+import createIteration from 'ee/iterations/queries/create_iteration.mutation.graphql';
+import { TEST_HOST } from 'helpers/test_constants';
+
+jest.mock('~/lib/utils/url_utility');
+
+describe('Iteration Form', () => {
+  let wrapper;
+  const groupPath = 'gitlab-org';
+  const successfulMutation = { data: { createIteration: { iteration: {}, errors: [] } } };
+  const failedMutation = {
+    data: { createIteration: { iteration: {}, errors: ['alas, your data is unchanged'] } },
+  };
+  const props = { groupPath, iterationsListPath: TEST_HOST };
+
+  function createComponent({ mutationResult = successfulMutation } = {}) {
+    wrapper = shallowMount(IterationForm, {
+      propsData: props,
+      stubs: {
+        ApolloMutation,
+        MarkdownField: '<div><slot name="textarea"></slot></div>',
+      },
+      mocks: {
+        $apollo: {
+          mutate: jest.fn().mockResolvedValue(mutationResult),
+        },
+      },
+    });
+  }
+
+  afterEach(() => {
+    wrapper.destroy();
+    wrapper = null;
+  });
+
+  const findTitle = () => wrapper.find('#iteration-title');
+  const findDescription = () => wrapper.find('#iteration-description');
+  const findStartDate = () => wrapper.find('#iteration-start-date');
+  const findDueDate = () => wrapper.find('#iteration-due-date');
+  const findSaveButton = () => wrapper.find('[data-testid="save-iteration"]');
+  const findCancelButton = () => wrapper.find('[data-testid="cancel-iteration"]');
+
+  it('renders a form', () => {
+    createComponent();
+    expect(wrapper.find(GlForm).exists()).toBe(true);
+  });
+
+  it('cancel button links to list page', () => {
+    createComponent();
+    expect(findCancelButton().attributes('href')).toBe(TEST_HOST);
+  });
+
+  describe('save', () => {
+    it('trigges mutation with form data', () => {
+      createComponent();
+
+      const title = 'Iteration 5';
+      const description = 'The fifth iteration';
+      const startDate = '2020-05-05';
+      const dueDate = '2020-05-25';
+
+      findTitle().vm.$emit('input', title);
+      findDescription().setValue(description);
+      findStartDate().vm.$emit('input', startDate);
+      findDueDate().vm.$emit('input', dueDate);
+
+      findSaveButton().vm.$emit('click');
+
+      expect(wrapper.vm.$apollo.mutate).toHaveBeenCalledWith({
+        mutation: createIteration,
+        variables: {
+          input: {
+            groupPath,
+            title,
+            description,
+            startDate,
+            dueDate,
+          },
+        },
+      });
+    });
+
+    it('loading=true immediately', () => {
+      createComponent();
+
+      wrapper.vm.save();
+
+      expect(wrapper.vm.loading).toBeTruthy();
+    });
+
+    it('redirects to Iteration page on success', () => {
+      createComponent();
+
+      return wrapper.vm.save().then(() => {
+        expect(findSaveButton().props('loading')).toBeTruthy();
+        expect(visitUrl).toHaveBeenCalled();
+      });
+    });
+
+    it('loading=false on error', () => {
+      createComponent({ mutationResult: failedMutation });
+
+      return wrapper.vm.save().then(() => {
+        expect(findSaveButton().props('loading')).toBeFalsy();
+      });
+    });
+  });
+});

locale/gitlab.pot

@@ -6407,6 +6407,9 @@ msgstr ""
 msgid "Create issue"
 msgstr ""
 
+msgid "Create iteration"
+msgstr ""
+
 msgid "Create lists from labels. Issues with that label appear in that list."
 msgstr ""
 
@@ -23330,6 +23333,9 @@ msgstr ""
 msgid "Unable to resolve"
 msgstr ""
 
+msgid "Unable to save iteration. Please try again"
+msgstr ""
+
 msgid "Unable to save your changes. Please try again."
 msgstr ""