Add thumbnail to metadata and saving functions

server/googleActions.js

@@ -127,7 +127,8 @@ GoogleActions = {
 				tags        : '',
 				published   : file.properties.published ? file.properties.published == 'true' : false,
 				authors     : [req.account.username],	//TODO: properly save and load authors to google drive
-				systems     : []
+				systems     : [],
+				thumbnail   : file.properties.thumbnail
 			};
 		});
 	  return brews;
@@ -164,7 +165,8 @@ GoogleActions = {
 						renderer  : brew.renderer,
 						tags      : brew.tags,
 						pageCount : brew.pageCount,
-						systems   : brew.systems.join()
+						systems   : brew.systems.join(),
+						thumbnail : brew.thumbnail
 					}
 				},
 				media : {
@@ -203,7 +205,8 @@ GoogleActions = {
 				'title'     : brew.title,
 				'views'     : '0',
 				'pageCount' : brew.pageCount,
-				'renderer'  : brew.renderer || 'legacy'
+				'renderer'  : brew.renderer || 'legacy',
+				'thumbnail' : brew.thumbnail
 			}
 		};
 
@@ -246,7 +249,8 @@ GoogleActions = {
 			published   : brew.published,
 			renderer    : brew.renderer,
 			authors     : [],
-			systems     : []
+			systems     : [],
+			thumbnail   : brew.thumbnail
 		};
 
 		return newHomebrew;
@@ -258,7 +262,7 @@ GoogleActions = {
 
 		const obj = await drive.files.get({
 			fileId : id,
-			fields : 'properties, createdTime, modifiedTime, description, trashed'
+			fields : 'properties, createdTime, modifiedTime, description, trashed, thumbnail'
 		})
 		.catch((err)=>{
 			console.log('Error loading from Google');
@@ -314,6 +318,7 @@ GoogleActions = {
 				views      : parseInt(obj.data.properties.views) || 0, //brews with no view parameter will return undefined
 				version    : parseInt(obj.data.properties.version) || 0,
 				renderer   : obj.data.properties.renderer ? obj.data.properties.renderer : 'legacy',
+				thumbnail  : obj.data.properties.thumbnail ? obj.data.properties.thumbnail : '',
 
 				gDrive   : true,
 				googleId : id