feat(gql): add local support

Resolves #50

server/graphql/types.js

@@ -48,10 +48,11 @@ const getCustomTypes = (strapi, nexus) => {
  modelName: nexus.stringArg('The model name of the content type'),
  slug: nexus.stringArg('The slug to query for'),
  publicationState: nexus.stringArg('The publication state of the entry'),
+ locale: nexus.stringArg('The locale for the entry'),
  },
  resolve: async (_parent, args, ctx) => {
  const { modelsByName } = getPluginService('settingsService').get();
- const { modelName, slug, publicationState } = args;
+ const { modelName, slug, publicationState, locale } = args;
  const { auth } = ctx.state;
 
  isValidFindSlugParams({
@@ -77,6 +78,17 @@ const getCustomTypes = (strapi, nexus) => {
  query.publicationState = publicationState || 'live';
  }
 
+ const isLocaleFieldEnabled = strapi
+ .plugin('graphql')
+ .service('extension')
+ .shadowCRUD(uid)
+ .field('locale')
+ .isEnabled();
+
+ if (isLocaleFieldEnabled) {
+ query.locale = locale || 'en';
+ }
+
  const data = await getPluginService('slugService').findOne(uid, query);
  const sanitizedEntity = await sanitizeOutput(data, contentType, auth);
  return toEntityResponse(sanitizedEntity, { resourceUID: uid });