Add Advanced Option for Alternate Metadata Provider Source

frontend/src/Settings/Metadata/MetadataProvider/MetadataProviderConnector.js

@@ -0,0 +1,92 @@
+import PropTypes from 'prop-types';
+import React, { Component } from 'react';
+import { createSelector } from 'reselect';
+import createSettingsSectionSelector from 'Store/Selectors/createSettingsSectionSelector';
+import { setMetadataProviderValue, saveMetadataProvider, fetchMetadataProvider } from 'Store/Actions/settingsActions';
+import { clearPendingChanges } from 'Store/Actions/baseActions';
+import connectSection from 'Store/connectSection';
+import MetadataProvider from './MetadataProvider';
+
+function createMapStateToProps() {
+  return createSelector(
+    (state) => state.settings.advancedSettings,
+    createSettingsSectionSelector(),
+    (advancedSettings, sectionSettings) => {
+      return {
+        advancedSettings,
+        ...sectionSettings
+      };
+    }
+  );
+}
+
+const mapDispatchToProps = {
+  setMetadataProviderValue,
+  saveMetadataProvider,
+  fetchMetadataProvider,
+  clearPendingChanges
+};
+
+class MetadataProviderConnector extends Component {
+
+  //
+  // Lifecycle
+
+  componentDidMount() {
+    this.props.fetchMetadataProvider();
+  }
+
+  componentDidUpdate(prevProps) {
+    if (this.props.hasPendingChanges !== prevProps.hasPendingChanges) {
+      this.props.onHasPendingChange(this.props.hasPendingChanges);
+    }
+  }
+
+  componentWillUnmount() {
+    this.props.clearPendingChanges({ section: this.props.section });
+  }
+
+  //
+  // Control
+
+  save = () => {
+    this.props.saveMetadataProvider();
+  }
+
+  //
+  // Listeners
+
+  onInputChange = ({ name, value }) => {
+    this.props.setMetadataProviderValue({ name, value });
+  }
+
+  //
+  // Render
+
+  render() {
+    return (
+      <MetadataProvider
+        onInputChange={this.onInputChange}
+        {...this.props}
+      />
+    );
+  }
+}
+
+MetadataProviderConnector.propTypes = {
+  section: PropTypes.string.isRequired,
+  hasPendingChanges: PropTypes.bool.isRequired,
+  setMetadataProviderValue: PropTypes.func.isRequired,
+  saveMetadataProvider: PropTypes.func.isRequired,
+  fetchMetadataProvider: PropTypes.func.isRequired,
+  clearPendingChanges: PropTypes.func.isRequired,
+  onHasPendingChange: PropTypes.func.isRequired
+};
+
+export default connectSection(
+                createMapStateToProps,
+                mapDispatchToProps,
+                undefined,
+                { withRef: true },
+                { section: 'metadataProvider' }
+               )(MetadataProviderConnector);