add endpoint for reading global config

scm-ui/src/config/modules/config.js

@@ -0,0 +1,71 @@
+// @flow
+import { apiClient } from "../../apiclient";
+import * as types from "../../modules/types";
+import type { Action } from "../../types/Action";
+
+export const FETCH_CONFIG = "scm/groups/FETCH_CONFIG";
+export const FETCH_CONFIG_PENDING = `${FETCH_CONFIG}_${types.PENDING_SUFFIX}`;
+export const FETCH_CONFIG_SUCCESS = `${FETCH_CONFIG}_${types.SUCCESS_SUFFIX}`;
+export const FETCH_CONFIG_FAILURE = `${FETCH_CONFIG}_${types.FAILURE_SUFFIX}`;
+
+const CONFIG_URL = "config";
+
+//fetch config
+export function fetchConfig() {
+  return function(dispatch: any) {
+    dispatch(fetchConfigPending());
+    return apiClient
+      .get(CONFIG_URL)
+      .then(response => {
+        return response.json();
+      })
+      .then(data => {
+        dispatch(fetchConfigSuccess(data));
+      })
+      .catch(cause => {
+        const error = new Error(`could not fetch config: ${cause.message}`);
+        dispatch(fetchConfigFailure(error));
+      });
+  };
+}
+
+export function fetchConfigPending(): Action {
+  return {
+    type: FETCH_CONFIG_PENDING
+  };
+}
+
+export function fetchConfigSuccess(config: any): Action {
+  return {
+    type: FETCH_CONFIG_SUCCESS,
+    payload: config
+  };
+}
+
+export function fetchConfigFailure(error: Error): Action {
+  return {
+    type: FETCH_CONFIG_FAILURE,
+    payload: {
+      error
+    }
+  };
+}
+
+//reducer
+
+function reducer(state: any = {}, action: any = {}) {
+  switch (action.type) {
+    case FETCH_CONFIG_SUCCESS:
+      return {
+        ...state,
+        config: {
+          entries: action.payload,
+          configUpdatePermission: action.payload._links.update ? true : false
+        }
+      };
+    default:
+      return state;
+  }
+}
+
+export default reducer;