Fixes converting events xml (#2)

* Accept newer versions of bundle

* Fix conversion of nested models to json

Was converting them into json twice, so they would appear as a string
in the final result.

* Fix parsing when there's only one event in events.xml

* Add :to_h to recording

bbbevents.gemspec

@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.15"
+  spec.add_development_dependency "bundler", ">= 1.15"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.4"
 

lib/bbbevents/recording.rb

@@ -21,7 +21,8 @@ def initialize(events_xml)
       raise "#{filename} is missing recording key." unless raw_recording_data.key?("recording")
 
       recording_data = raw_recording_data["recording"]
-      events         = recording_data["event"]
+      events = recording_data["event"]
+      events = [events] unless events.is_a?(Array)
 
       @metadata   = recording_data["metadata"]
       @meeting_id = recording_data["meeting"]["id"]
@@ -90,17 +91,21 @@ def create_csv(filepath)
       end
     end
 
-    def to_json
+    def to_h
       {
         metadata: @metadata,
         meeting_id: @meeting_id,
         duration: @duration,
         start: @start,
         finish: @finish,
-        attendees: attendees.map(&:to_h), 
+        attendees: attendees.map(&:to_h),
         files: @files,
-        polls: polls.map(&:to_h),
-      }.to_json
+        polls: polls.map(&:to_h)
+      }
+    end
+
+    def to_json
+      to_h.to_json
     end
 
     private