Added store for file templates in the Web IDE

#47947

10 files changed, 584 insertions, 0 deletions

diff --git a/app/assets/javascripts/api.js b/app/assets/javascripts/api.js
index 25fe2ae553e..cd800d75f7a 100644
--- a/app/assets/javascripts/api.js
+++ b/app/assets/javascripts/api.js
@@ -15,6 +15,7 @@ const Api = {
   mergeRequestChangesPath: '/api/:version/projects/:id/merge_requests/:mrid/changes',
   mergeRequestVersionsPath: '/api/:version/projects/:id/merge_requests/:mrid/versions',
   groupLabelsPath: '/groups/:namespace_path/-/labels',
+  templatesPath: '/api/:version/templates/:key',
   licensePath: '/api/:version/templates/licenses/:key',
   gitignorePath: '/api/:version/templates/gitignores/:key',
   gitlabCiYmlPath: '/api/:version/templates/gitlab_ci_ymls/:key',
@@ -265,6 +266,12 @@ const Api = {
     });
   },
 
+  templates(key, params = {}) {
+    const url = Api.buildUrl(this.templatesPath).replace(':key', key);
+
+    return axios.get(url, { params });
+  },
+
   buildUrl(url) {
     let urlRoot = '';
     if (gon.relative_url_root != null) {
diff --git a/app/assets/javascripts/ide/stores/modules/file_templates/actions.js b/app/assets/javascripts/ide/stores/modules/file_templates/actions.js
new file mode 100644
index 00000000000..c86310be379
--- /dev/null
+++ b/app/assets/javascripts/ide/stores/modules/file_templates/actions.js
@@ -0,0 +1,81 @@
+import Api from '~/api';
+import { __ } from '~/locale';
+import * as types from './mutation_types';
+
+export const requestTemplateTypes = ({ commit }) => commit(types.REQUEST_TEMPLATE_TYPES);
+export const receiveTemplateTypesError = ({ commit, dispatch }) => {
+  commit(types.RECEIVE_TEMPLATE_TYPES_ERROR);
+  dispatch(
+    'setErrorMessage',
+    {
+      text: __('Error loading template types.'),
+      action: () =>
+        dispatch('fetchTemplateTypes').then(() =>
+          dispatch('setErrorMessage', null, { root: true }),
+        ),
+      actionText: __('Please try again'),
+    },
+    { root: true },
+  );
+};
+export const receiveTemplateTypesSuccess = ({ commit }, templates) =>
+  commit(types.RECEIVE_TEMPLATE_TYPES_SUCCESS, templates);
+
+export const fetchTemplateTypes = ({ dispatch, state }) => {
+  if (!Object.keys(state.selectedTemplateType).length) return Promise.reject();
+
+  dispatch('requestTemplateTypes');
+
+  return Api.templates(state.selectedTemplateType.key)
+    .then(({ data }) => dispatch('receiveTemplateTypesSuccess', data))
+    .catch(() => dispatch('receiveTemplateTypesError'));
+};
+
+export const setSelectedTemplateType = ({ commit }, type) =>
+  commit(types.SET_SELECTED_TEMPLATE_TYPE, type);
+
+export const receiveTemplateError = ({ dispatch }, template) => {
+  dispatch(
+    'setErrorMessage',
+    {
+      text: __('Error loading template.'),
+      action: payload =>
+        dispatch('fetchTemplateTypes', payload).then(() =>
+          dispatch('setErrorMessage', null, { root: true }),
+        ),
+      actionText: __('Please try again'),
+      actionPayload: template,
+    },
+    { root: true },
+  );
+};
+
+export const fetchTemplate = ({ dispatch, state }, template) => {
+  if (template.content) {
+    return dispatch('setFileTemplate', template);
+  }
+
+  return Api.templates(`${state.selectedTemplateType.key}/${template.key || template.name}`)
+    .then(({ data }) => {
+      dispatch('setFileTemplate', data);
+    })
+    .catch(() => dispatch('receiveTemplateError', template));
+};
+
+export const setFileTemplate = ({ dispatch, commit, rootGetters }, template) => {
+  dispatch(
+    'changeFileContent',
+    { path: rootGetters.activeFile.path, content: template.content },
+    { root: true },
+  );
+  commit(types.SET_UPDATE_SUCCESS, true);
+};
+
+export const undoFileTemplate = ({ dispatch, commit, rootGetters }) => {
+  const file = rootGetters.activeFile;
+
+  dispatch('changeFileContent', { path: file.path, content: file.raw }, { root: true });
+  commit(types.SET_UPDATE_SUCCESS, false);
+};
+
+export default () => {};
diff --git a/app/assets/javascripts/ide/stores/modules/file_templates/getters.js b/app/assets/javascripts/ide/stores/modules/file_templates/getters.js
new file mode 100644
index 00000000000..38318fd49bf
--- /dev/null
+++ b/app/assets/javascripts/ide/stores/modules/file_templates/getters.js
@@ -0,0 +1,23 @@
+export const templateTypes = () => [
+  {
+    name: '.gitlab-ci.yml',
+    key: 'gitlab_ci_ymls',
+  },
+  {
+    name: '.gitignore',
+    key: 'gitignores',
+  },
+  {
+    name: 'LICENSE',
+    key: 'licenses',
+  },
+  {
+    name: 'Dockerfile',
+    key: 'dockerfiles',
+  },
+];
+
+export const showFileTemplatesBar = (_, getters) => name =>
+  getters.templateTypes.find(t => t.name === name);
+
+export default () => {};
diff --git a/app/assets/javascripts/ide/stores/modules/file_templates/index.js b/app/assets/javascripts/ide/stores/modules/file_templates/index.js
new file mode 100644
index 00000000000..dfa5ef54413
--- /dev/null
+++ b/app/assets/javascripts/ide/stores/modules/file_templates/index.js
@@ -0,0 +1,12 @@
+import createState from './state';
+import * as actions from './actions';
+import * as getters from './getters';
+import mutations from './mutations';
+
+export default {
+  namespaced: true,
+  actions,
+  state: createState(),
+  getters,
+  mutations,
+};
diff --git a/app/assets/javascripts/ide/stores/modules/file_templates/mutation_types.js b/app/assets/javascripts/ide/stores/modules/file_templates/mutation_types.js
new file mode 100644
index 00000000000..cf4499c0264
--- /dev/null
+++ b/app/assets/javascripts/ide/stores/modules/file_templates/mutation_types.js
@@ -0,0 +1,7 @@
+export const REQUEST_TEMPLATE_TYPES = 'REQUEST_TEMPLATE_TYPES';
+export const RECEIVE_TEMPLATE_TYPES_ERROR = 'RECEIVE_TEMPLATE_TYPES_ERROR';
+export const RECEIVE_TEMPLATE_TYPES_SUCCESS = 'RECEIVE_TEMPLATE_TYPES_SUCCESS';
+
+export const SET_SELECTED_TEMPLATE_TYPE = 'SET_SELECTED_TEMPLATE_TYPE';
+
+export const SET_UPDATE_SUCCESS = 'SET_UPDATE_SUCCESS';
diff --git a/app/assets/javascripts/ide/stores/modules/file_templates/mutations.js b/app/assets/javascripts/ide/stores/modules/file_templates/mutations.js
new file mode 100644
index 00000000000..e413e61eaaa
--- /dev/null
+++ b/app/assets/javascripts/ide/stores/modules/file_templates/mutations.js
@@ -0,0 +1,21 @@
+/* eslint-disable no-param-reassign */
+import * as types from './mutation_types';
+
+export default {
+  [types.REQUEST_TEMPLATE_TYPES](state) {
+    state.isLoading = true;
+  },
+  [types.RECEIVE_TEMPLATE_TYPES_ERROR](state) {
+    state.isLoading = false;
+  },
+  [types.RECEIVE_TEMPLATE_TYPES_SUCCESS](state, templates) {
+    state.isLoading = false;
+    state.templates = templates;
+  },
+  [types.SET_SELECTED_TEMPLATE_TYPE](state, type) {
+    state.selectedTemplateType = type;
+  },
+  [types.SET_UPDATE_SUCCESS](state, success) {
+    state.updateSuccess = success;
+  },
+};
diff --git a/app/assets/javascripts/ide/stores/modules/file_templates/state.js b/app/assets/javascripts/ide/stores/modules/file_templates/state.js
new file mode 100644
index 00000000000..bd4b7d7bc52
--- /dev/null
+++ b/app/assets/javascripts/ide/stores/modules/file_templates/state.js
@@ -0,0 +1,6 @@
+export default () => ({
+  isLoading: false,
+  templates: [],
+  selectedTemplateType: {},
+  updateSuccess: false,
+});
diff --git a/spec/javascripts/ide/stores/modules/file_templates/actions_spec.js b/spec/javascripts/ide/stores/modules/file_templates/actions_spec.js
new file mode 100644
index 00000000000..f831a9f0a5d
--- /dev/null
+++ b/spec/javascripts/ide/stores/modules/file_templates/actions_spec.js
@@ -0,0 +1,336 @@
+import MockAdapter from 'axios-mock-adapter';
+import axios from '~/lib/utils/axios_utils';
+import createState from '~/ide/stores/modules/file_templates/state';
+import * as actions from '~/ide/stores/modules/file_templates/actions';
+import * as types from '~/ide/stores/modules/file_templates/mutation_types';
+import testAction from 'spec/helpers/vuex_action_helper';
+
+describe('IDE file templates actions', () => {
+  let state;
+  let mock;
+
+  beforeEach(() => {
+    state = createState();
+
+    mock = new MockAdapter(axios);
+  });
+
+  afterEach(() => {
+    mock.restore();
+  });
+
+  describe('requestTemplateTypes', () => {
+    it('commits REQUEST_TEMPLATE_TYPES', done => {
+      testAction(
+        actions.requestTemplateTypes,
+        null,
+        state,
+        [{ type: types.REQUEST_TEMPLATE_TYPES }],
+        [],
+        done,
+      );
+    });
+  });
+
+  describe('receiveTemplateTypesError', () => {
+    it('commits RECEIVE_TEMPLATE_TYPES_ERROR and dispatches setErrorMessage', done => {
+      testAction(
+        actions.receiveTemplateTypesError,
+        null,
+        state,
+        [{ type: types.RECEIVE_TEMPLATE_TYPES_ERROR }],
+        [
+          {
+            type: 'setErrorMessage',
+            payload: {
+              action: jasmine.any(Function),
+              actionText: 'Please try again',
+              text: 'Error loading template types.',
+            },
+          },
+        ],
+        done,
+      );
+    });
+  });
+
+  describe('receiveTemplateTypesSuccess', () => {
+    it('commits RECEIVE_TEMPLATE_TYPES_SUCCESS', done => {
+      testAction(
+        actions.receiveTemplateTypesSuccess,
+        'test',
+        state,
+        [{ type: types.RECEIVE_TEMPLATE_TYPES_SUCCESS, payload: 'test' }],
+        [],
+        done,
+      );
+    });
+  });
+
+  describe('fetchTemplateTypes', () => {
+    describe('success', () => {
+      beforeEach(() => {
+        mock.onGet(/api\/(.*)\/templates\/licenses/).replyOnce(200, [
+          {
+            name: 'MIT',
+          },
+        ]);
+      });
+
+      it('rejects if selectedTemplateType is empty', done => {
+        const dispatch = jasmine.createSpy('dispatch');
+
+        actions
+          .fetchTemplateTypes({ dispatch, state })
+          .then(done.fail)
+          .catch(() => {
+            expect(dispatch).not.toHaveBeenCalled();
+
+            done();
+          });
+      });
+
+      it('dispatches actions', done => {
+        state.selectedTemplateType = {
+          key: 'licenses',
+        };
+
+        testAction(
+          actions.fetchTemplateTypes,
+          null,
+          state,
+          [],
+          [
+            {
+              type: 'requestTemplateTypes',
+            },
+            {
+              type: 'receiveTemplateTypesSuccess',
+              payload: [
+                {
+                  name: 'MIT',
+                },
+              ],
+            },
+          ],
+          done,
+        );
+      });
+    });
+
+    describe('error', () => {
+      beforeEach(() => {
+        mock.onGet(/api\/(.*)\/templates\/licenses/).replyOnce(500);
+      });
+
+      it('dispatches actions', done => {
+        state.selectedTemplateType = {
+          key: 'licenses',
+        };
+
+        testAction(
+          actions.fetchTemplateTypes,
+          null,
+          state,
+          [],
+          [
+            {
+              type: 'requestTemplateTypes',
+            },
+            {
+              type: 'receiveTemplateTypesError',
+            },
+          ],
+          done,
+        );
+      });
+    });
+  });
+
+  describe('setSelectedTemplateType', () => {
+    it('commits SET_SELECTED_TEMPLATE_TYPE', done => {
+      testAction(
+        actions.setSelectedTemplateType,
+        'test',
+        state,
+        [{ type: types.SET_SELECTED_TEMPLATE_TYPE, payload: 'test' }],
+        [],
+        done,
+      );
+    });
+  });
+
+  describe('receiveTemplateError', () => {
+    it('dispatches setErrorMessage', done => {
+      testAction(
+        actions.receiveTemplateError,
+        'test',
+        state,
+        [],
+        [
+          {
+            type: 'setErrorMessage',
+            payload: {
+              action: jasmine.any(Function),
+              actionText: 'Please try again',
+              text: 'Error loading template.',
+              actionPayload: 'test',
+            },
+          },
+        ],
+        done,
+      );
+    });
+  });
+
+  describe('fetchTemplate', () => {
+    describe('success', () => {
+      beforeEach(() => {
+        mock.onGet(/api\/(.*)\/templates\/licenses\/mit/).replyOnce(200, {
+          content: 'MIT content',
+        });
+        mock.onGet(/api\/(.*)\/templates\/licenses\/testing/).replyOnce(200, {
+          content: 'testing content',
+        });
+      });
+
+      it('dispatches setFileTemplate if template already has content', done => {
+        const template = {
+          content: 'already has content',
+        };
+
+        testAction(
+          actions.fetchTemplate,
+          template,
+          state,
+          [],
+          [{ type: 'setFileTemplate', payload: template }],
+          done,
+        );
+      });
+
+      it('dispatches success', done => {
+        const template = {
+          key: 'mit',
+        };
+
+        state.selectedTemplateType = {
+          key: 'licenses',
+        };
+
+        testAction(
+          actions.fetchTemplate,
+          template,
+          state,
+          [],
+          [{ type: 'setFileTemplate', payload: { content: 'MIT content' } }],
+          done,
+        );
+      });
+
+      it('dispatches success and uses name key for API call', done => {
+        const template = {
+          name: 'testing',
+        };
+
+        state.selectedTemplateType = {
+          key: 'licenses',
+        };
+
+        testAction(
+          actions.fetchTemplate,
+          template,
+          state,
+          [],
+          [{ type: 'setFileTemplate', payload: { content: 'testing content' } }],
+          done,
+        );
+      });
+    });
+
+    describe('error', () => {
+      beforeEach(() => {
+        mock.onGet(/api\/(.*)\/templates\/licenses\/mit/).replyOnce(500);
+      });
+
+      it('dispatches error', done => {
+        const template = {
+          name: 'testing',
+        };
+
+        state.selectedTemplateType = {
+          key: 'licenses',
+        };
+
+        testAction(
+          actions.fetchTemplate,
+          template,
+          state,
+          [],
+          [{ type: 'receiveTemplateError', payload: template }],
+          done,
+        );
+      });
+    });
+  });
+
+  describe('setFileTemplate', () => {
+    it('dispatches changeFileContent', () => {
+      const dispatch = jasmine.createSpy('dispatch');
+      const commit = jasmine.createSpy('commit');
+      const rootGetters = {
+        activeFile: { path: 'test' },
+      };
+
+      actions.setFileTemplate({ dispatch, commit, rootGetters }, { content: 'content' });
+
+      expect(dispatch).toHaveBeenCalledWith(
+        'changeFileContent',
+        { path: 'test', content: 'content' },
+        { root: true },
+      );
+    });
+
+    it('commits SET_UPDATE_SUCCESS', () => {
+      const dispatch = jasmine.createSpy('dispatch');
+      const commit = jasmine.createSpy('commit');
+      const rootGetters = {
+        activeFile: { path: 'test' },
+      };
+
+      actions.setFileTemplate({ dispatch, commit, rootGetters }, { content: 'content' });
+
+      expect(commit).toHaveBeenCalledWith('SET_UPDATE_SUCCESS', true);
+    });
+  });
+
+  describe('undoFileTemplate', () => {
+    it('dispatches changeFileContent', () => {
+      const dispatch = jasmine.createSpy('dispatch');
+      const commit = jasmine.createSpy('commit');
+      const rootGetters = {
+        activeFile: { path: 'test', raw: 'raw content' },
+      };
+
+      actions.undoFileTemplate({ dispatch, commit, rootGetters });
+
+      expect(dispatch).toHaveBeenCalledWith(
+        'changeFileContent',
+        { path: 'test', content: 'raw content' },
+        { root: true },
+      );
+    });
+
+    it('commits SET_UPDATE_SUCCESS', () => {
+      const dispatch = jasmine.createSpy('dispatch');
+      const commit = jasmine.createSpy('commit');
+      const rootGetters = {
+        activeFile: { path: 'test', raw: 'raw content' },
+      };
+
+      actions.undoFileTemplate({ dispatch, commit, rootGetters });
+
+      expect(commit).toHaveBeenCalledWith('SET_UPDATE_SUCCESS', false);
+    });
+  });
+});
diff --git a/spec/javascripts/ide/stores/modules/file_templates/getters_spec.js b/spec/javascripts/ide/stores/modules/file_templates/getters_spec.js
new file mode 100644
index 00000000000..e337c3f331b
--- /dev/null
+++ b/spec/javascripts/ide/stores/modules/file_templates/getters_spec.js
@@ -0,0 +1,30 @@
+import * as getters from '~/ide/stores/modules/file_templates/getters';
+
+describe('IDE file templates getters', () => {
+  describe('templateTypes', () => {
+    it('returns list of template types', () => {
+      expect(getters.templateTypes().length).toBe(4);
+    });
+  });
+
+  describe('showFileTemplatesBar', () => {
+    it('finds template type by name', () => {
+      expect(
+        getters.showFileTemplatesBar(null, {
+          templateTypes: getters.templateTypes(),
+        })('LICENSE'),
+      ).toEqual({
+        name: 'LICENSE',
+        key: 'licenses',
+      });
+    });
+
+    it('returns undefined if not found', () => {
+      expect(
+        getters.showFileTemplatesBar(null, {
+          templateTypes: getters.templateTypes(),
+        })('test'),
+      ).toBe(undefined);
+    });
+  });
+});
diff --git a/spec/javascripts/ide/stores/modules/file_templates/mutations_spec.js b/spec/javascripts/ide/stores/modules/file_templates/mutations_spec.js
new file mode 100644
index 00000000000..a51527d699f
--- /dev/null
+++ b/spec/javascripts/ide/stores/modules/file_templates/mutations_spec.js
@@ -0,0 +1,61 @@
+import createState from '~/ide/stores/modules/file_templates/state';
+import * as types from '~/ide/stores/modules/file_templates/mutation_types';
+import mutations from '~/ide/stores/modules/file_templates/mutations';
+
+describe('IDE file templates mutations', () => {
+  let state;
+
+  beforeEach(() => {
+    state = createState();
+  });
+
+  describe(types.REQUEST_TEMPLATE_TYPES, () => {
+    it('sets isLoading', () => {
+      mutations[types.REQUEST_TEMPLATE_TYPES](state);
+
+      expect(state.isLoading).toBe(true);
+    });
+  });
+
+  describe(types.RECEIVE_TEMPLATE_TYPES_ERROR, () => {
+    it('sets isLoading', () => {
+      state.isLoading = true;
+
+      mutations[types.RECEIVE_TEMPLATE_TYPES_ERROR](state);
+
+      expect(state.isLoading).toBe(false);
+    });
+  });
+
+  describe(types.RECEIVE_TEMPLATE_TYPES_SUCCESS, () => {
+    it('sets isLoading to false', () => {
+      state.isLoading = true;
+
+      mutations[types.RECEIVE_TEMPLATE_TYPES_SUCCESS](state, []);
+
+      expect(state.isLoading).toBe(false);
+    });
+
+    it('sets templates', () => {
+      mutations[types.RECEIVE_TEMPLATE_TYPES_SUCCESS](state, ['test']);
+
+      expect(state.templates).toEqual(['test']);
+    });
+  });
+
+  describe(types.SET_SELECTED_TEMPLATE_TYPE, () => {
+    it('sets selectedTemplateType', () => {
+      mutations[types.SET_SELECTED_TEMPLATE_TYPE](state, 'type');
+
+      expect(state.selectedTemplateType).toBe('type');
+    });
+  });
+
+  describe(types.SET_UPDATE_SUCCESS, () => {
+    it('sets updateSuccess', () => {
+      mutations[types.SET_UPDATE_SUCCESS](state, true);
+
+      expect(state.updateSuccess).toBe(true);
+    });
+  });
+});