Add Advanced Option for Alternate Metadata Provider Source

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

@@ -0,0 +1,75 @@
+import PropTypes from 'prop-types';
+import React from 'react';
+import { inputTypes, sizes } from 'Helpers/Props';
+import LoadingIndicator from 'Components/Loading/LoadingIndicator';
+import FieldSet from 'Components/FieldSet';
+import Form from 'Components/Form/Form';
+import FormGroup from 'Components/Form/FormGroup';
+import FormLabel from 'Components/Form/FormLabel';
+import FormInputGroup from 'Components/Form/FormInputGroup';
+
+function MetadataProvider(props) {
+  const {
+    advancedSettings,
+    isFetching,
+    error,
+    settings,
+    hasSettings,
+    onInputChange
+  } = props;
+
+  return (
+
+    <div>
+      {
+        isFetching &&
+          <LoadingIndicator />
+      }
+
+      {
+        !isFetching && error &&
+          <div>Unable to load Metadata Provider settings</div>
+      }
+
+      {
+        hasSettings && !isFetching && !error &&
+          <Form>
+            {
+                advancedSettings &&
+                  <FieldSet
+                    legend="Metadata Provider Source"
+                  >
+                    <FormGroup
+                      advancedSettings={advancedSettings}
+                      isAdvanced={true}
+                    >
+                      <FormLabel>Metadata Source</FormLabel>
+
+                      <FormInputGroup
+                        type={inputTypes.TEXT}
+                        name="metadataSource"
+                        helpText="Alternative Metadata Source (Leave blank for default)"
+                        helpLink="https://github.com/Lidarr/Lidarr/wiki/Metadata-Source"
+                        onChange={onInputChange}
+                        {...settings.metadataSource}
+                      />
+                    </FormGroup>
+                  </FieldSet>
+            }
+          </Form>
+      }
+    </div>
+
+  );
+}
+
+MetadataProvider.propTypes = {
+  advancedSettings: PropTypes.bool.isRequired,
+  isFetching: PropTypes.bool.isRequired,
+  error: PropTypes.object,
+  settings: PropTypes.object.isRequired,
+  hasSettings: PropTypes.bool.isRequired,
+  onInputChange: PropTypes.func.isRequired
+};
+
+export default MetadataProvider;