1 files changed, 116 insertions, 0 deletions
diff --git a/app/assets/javascripts/ci_variable_list/ajax_variable_list.js b/app/assets/javascripts/ci_variable_list/ajax_variable_list.js
new file mode 100644
index 00000000000..76f93e5c6bd
--- /dev/null
+++ b/app/assets/javascripts/ci_variable_list/ajax_variable_list.js
@@ -0,0 +1,116 @@
+import _ from 'underscore';
+import axios from '../lib/utils/axios_utils';
+import { s__ } from '../locale';
+import Flash from '../flash';
+import { convertPermissionToBoolean } from '../lib/utils/common_utils';
+import statusCodes from '../lib/utils/http_status';
+import VariableList from './ci_variable_list';
+
+function generateErrorBoxContent(errors) {
+  const errorList = [].concat(errors).map(errorString => `
+    <li>
+      ${_.escape(errorString)}
+    </li>
+  `);
+
+  return `
+    <p>
+      ${s__('CiVariable|Validation failed')}
+    </p>
+    <ul>
+      ${errorList.join('')}
+    </ul>
+  `;
+}
+
+// Used for the variable list on CI/CD projects/groups settings page
+export default class AjaxVariableList {
+  constructor({
+    container,
+    saveButton,
+    errorBox,
+    formField = 'variables',
+    saveEndpoint,
+  }) {
+    this.container = container;
+    this.saveButton = saveButton;
+    this.errorBox = errorBox;
+    this.saveEndpoint = saveEndpoint;
+
+    this.variableList = new VariableList({
+      container: this.container,
+      formField,
+    });
+
+    this.bindEvents();
+    this.variableList.init();
+  }
+
+  bindEvents() {
+    this.saveButton.addEventListener('click', this.onSaveClicked.bind(this));
+  }
+
+  onSaveClicked() {
+    const loadingIcon = this.saveButton.querySelector('.js-secret-variables-save-loading-icon');
+    loadingIcon.classList.toggle('hide', false);
+    this.errorBox.classList.toggle('hide', true);
+    // We use this to prevent a user from changing a key before we have a chance
+    // to match it up in `updateRowsWithPersistedVariables`
+    this.variableList.toggleEnableRow(false);
+
+    return axios.patch(this.saveEndpoint, {
+      variables_attributes: this.variableList.getAllData(),
+    }, {
+      // We want to be able to process the `res.data` from a 400 error response
+      // and print the validation messages such as duplicate variable keys
+      validateStatus: status => (
+          status >= statusCodes.OK &&
+          status < statusCodes.MULTIPLE_CHOICES
+        ) ||
+        status === statusCodes.BAD_REQUEST,
+    })
+      .then((res) => {
+        loadingIcon.classList.toggle('hide', true);
+        this.variableList.toggleEnableRow(true);
+
+        if (res.status === statusCodes.OK && res.data) {
+          this.updateRowsWithPersistedVariables(res.data.variables);
+        } else if (res.status === statusCodes.BAD_REQUEST) {
+          // Validation failed
+          this.errorBox.innerHTML = generateErrorBoxContent(res.data);
+          this.errorBox.classList.toggle('hide', false);
+        }
+      })
+      .catch(() => {
+        loadingIcon.classList.toggle('hide', true);
+        this.variableList.toggleEnableRow(true);
+        Flash(s__('CiVariable|Error occured while saving variables'));
+      });
+  }
+
+  updateRowsWithPersistedVariables(persistedVariables = []) {
+    const persistedVariableMap = [].concat(persistedVariables).reduce((variableMap, variable) => ({
+      ...variableMap,
+      [variable.key]: variable,
+    }), {});
+
+    this.container.querySelectorAll('.js-row').forEach((row) => {
+      // If we submitted a row that was destroyed, remove it so we don't try
+      // to destroy it again which would cause a BE error
+      const destroyInput = row.querySelector('.js-ci-variable-input-destroy');
+      if (convertPermissionToBoolean(destroyInput.value)) {
+        row.remove();
+      // Update the ID input so any future edits and `_destroy` will apply on the BE
+      } else {
+        const key = row.querySelector('.js-ci-variable-input-key').value;
+        const persistedVariable = persistedVariableMap[key];
+
+        if (persistedVariable) {
+          // eslint-disable-next-line no-param-reassign
+          row.querySelector('.js-ci-variable-input-id').value = persistedVariable.id;
+          row.setAttribute('data-is-persisted', 'true');
+        }
+      }
+    });
+  }
+}