Add option to resize avatars with image magick

.meteor/packages

@@ -49,3 +49,4 @@ http
 cfs:filesystem
 cfs:standard-packages
 cfs:gridfs
+cfs:graphicsmagick

.meteor/versions

@@ -20,6 +20,7 @@ cfs:collection-filters@0.2.4
 cfs:data-man@0.0.6
 cfs:file@0.1.17
 cfs:filesystem@0.1.2
+cfs:graphicsmagick@0.0.18
 cfs:gridfs@0.0.33
 cfs:http-methods@0.0.29
 cfs:http-publish@0.0.13

lib/file.coffee

@@ -7,6 +7,14 @@ store = undefined
 beforeWrite = (fileObj) ->
 	fileObj._setInfo 'avatars', 'storeType', storeType, true
 
+transformWrite = (fileObj, readStream, writeStream) ->
+	if Meteor.settings?.public?.avatarStore?.size?.height?
+		height = Meteor.settings.public.avatarStore.size.height
+		width = Meteor.settings.public.avatarStore.size.width
+		gm(readStream, fileObj.name()).resize(height, width).stream().pipe(writeStream)
+	else
+		readStream.pipe(writeStream)
+
 if storeType is 'FileSystem'
 	path = "~/uploads"
 	if Meteor.settings?.public?.avatarStore?.path?
@@ -15,6 +23,7 @@ if storeType is 'FileSystem'
 	store = new FS.Store.FileSystem "avatars",
 		path: path
 		beforeWrite: beforeWrite
+		transformWrite: transformWrite
 		fileKeyMaker: (fileObj) ->
 			filename = fileObj.name()
 			filenameInStore = fileObj.name({store: 'avatars'})
@@ -23,12 +32,13 @@ if storeType is 'FileSystem'
 else
 	store = new FS.Store.GridFS "avatars",
 		beforeWrite: beforeWrite
+		transformWrite: transformWrite
 
 @Avatars = new FS.Collection "avatars",
 	stores: [store]
 	filter:
-	allow:
-		contentTypes: ['image/*']
+		allow:
+			contentTypes: ['image/*']
 
 @Avatars.allow
 	insert: ->