Merge pull request #46 from VeliovGroup/2.1.3

v2.1.3
 - Attempting to fix #45, thanks to @jankapunkt , @marcoschwartz , and @anjunatic 
 - Adding several fallbacks to get collection by name
 - Improved error message and details

lib/client/fileUpload.js

@@ -22,13 +22,32 @@ Template.afFileUpload.onCreated(function () {
     };
   }
 
-  const mongoCollection = Mongo.Collection.get
-    ? Mongo.Collection.get(this.data.atts.collection)
-    : Meteor.connection._mongo_livedata_collections[this.data.atts.collection]
+  // primary method: use dburles:mongo-collection-instances
+  if (Mongo.Collection.get) {
+    const mongoCollection = Mongo.Collection.get(this.data.atts.collection);
+    this.collection = mongoCollection && mongoCollection.filesCollection;
+  }
+
+  // 1. fallback using global scope
+  if (!this.collection) {
+    this.collection = global[this.data.atts.collection];
+  }
+
+  // 2. fallback using Meteor.connection / local collections
+  // if the Meteor release is newer than 2016 -> use _stores
+  // else use older _mongo_livedata_collections
+  // see https://github.com/meteor/meteor/pull/5845
+  if (!this.collection) {
+    const storedCollection =  Meteor.connection._stores[this.data.atts.collection];
+    this.collection = (storedCollection && storedCollection._getCollection)
+      ? storedCollection._getCollection().filesCollection
+      : Meteor.connection._mongo_livedata_collections[this.data.atts.collection];
+  }
 
-  this.collection = mongoCollection
-    ? mongoCollection.filesCollection
-    : global[this.data.atts.collection]
+  if (!this.collection) {
+    throw new Meteor.Error(404, `[meteor-autoform-files] No collection found by name "${this.data.atts.collection}"`,
+      `Collection's name is case-sensetive. Please, make sure you're using right collection name.`);
+  }
 
   this.uploadTemplate  = this.data.atts.uploadTemplate || null;
   this.previewTemplate = this.data.atts.previewTemplate || null;
@@ -43,10 +62,6 @@ Template.afFileUpload.onCreated(function () {
     this.insertConfig.chunkSize = parseInt(this.insertConfig.chunkSize);
   }
 
-  if (!this.collection) {
-    throw new Meteor.Error(404, '[meteor-autoform-files] No such collection "' + this.data.atts.collection + '"');
-  }
-
   this.collectionName = function () {
     return self.data.atts.collection;
   };

package.js

@@ -2,7 +2,7 @@ Package.describe({
   name: 'ostrio:autoform-files',
   summary: 'File upload for AutoForm using ostrio:files',
   description: 'File upload for AutoForm using ostrio:files',
-  version: '2.1.2',
+  version: '2.1.3',
   git: 'https://github.com/VeliovGroup/meteor-autoform-file.git'
 });
 
@@ -17,7 +17,7 @@ Package.onUse(function(api) {
     'reactive-var',
     '[email protected]',
     'aldeed:[email protected]',
-    'ostrio:[email protected].1'
+    'ostrio:[email protected].2'
   ]);
 
   api.addFiles([