From 6a0ae01cf2a7396c9e96e564d274ebcf1724c330 Mon Sep 17 00:00:00 2001
From: Albert Martin <albert@imor.tl>
Date: Thu, 8 Nov 2018 21:13:59 -0600
Subject: [PATCH] feat: add purge option to sync

---
 index.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 7e5d83e..495d9b0 100644
--- a/index.js
+++ b/index.js
@@ -118,9 +118,19 @@ class ContentfulCache {
   /**
    * Helper function to run a full sync against Contentful. All content will be
    * pulled down with paginated API requests and cached.
+   * @param {Object} config - Optional flags.
+   * @param {Boolean} config.purge - Whether the database should be flushed
+   * before a re-sync. Useful if the cache has become corrupted. Use with care
+   * since the purge will happen whether or not the Contentful API is reachable.
    * @return {Promise} - Fulfilled when the sync has finished.
    */
-  async sync() {
+  async sync(config = {}) {
+    if (config.purge) {
+      return this.cache.client.flushdb((err) => {
+        if (err) console.error(err);
+        this.syncPaged();
+      });
+    }
     return this.syncPaged();
   }