From 9aba5658a2b96ab9d10c703cf47d401313d2c9ff Mon Sep 17 00:00:00 2001
From: Cristobal Vergara <cristobal.vergara.niedermayr@gmail.com>
Date: Thu, 28 Jan 2016 11:18:37 -0800
Subject: [PATCH] Added support for external providers as npm modules.

---
 lib/factory.js | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/lib/factory.js b/lib/factory.js
index e03bc71..eafc86b 100644
--- a/lib/factory.js
+++ b/lib/factory.js
@@ -79,8 +79,17 @@ function createClient(options) {
     // Try to load the provider from providers folder
     handler = require('./providers/' + provider);
   } catch (err) {
-    // Fall back to pkgcloud
-    handler = require('pkgcloud').storage;
+    try {
+      // Fall back to using an external provider
+      handler = require(provider);
+      if (!handler || !handler.createClient) {
+        // Fall back to pkgcloud
+        handler = require('pkgcloud').storage;
+      }
+    } catch(err) {
+      // Fall back to pkgcloud
+      handler = require('pkgcloud').storage;
+    }
   }
   patchContainerAndFileClass(provider);
   return handler.createClient(options);
@@ -96,8 +105,13 @@ function getProvider(provider) {
     // Try to load the provider from providers folder
     return require('./providers/' + provider);
   } catch (err) {
-    // Fall back to pkgcloud
-    return require('pkgcloud').providers[provider];
+    try {
+      // Fall back to using an external provider
+      return require(provider);
+    } catch(err) {
+      // Fall back to pkgcloud
+      return require('pkgcloud').providers[provider];
+    }
   }
 }