Improve sources

- Add proper error handling,
- Use flash[:alert] and flash[:notice],
- Use `resource` instead of `resources`,

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/mattermost/team.rb b/lib/mattermost/team.rb
index 5ee77aa9adf..2de01eced0b 100644
--- a/lib/mattermost/team.rb
+++ b/lib/mattermost/team.rb
@@ -1,7 +1,15 @@
 module Mattermost
   class Team
     def self.all(session)
-      session.get('/api/v3/teams/all').parsed_response
+      response = session.get('/api/v3/teams/all')
+
+      if response.success?
+        response.parsed_response
+      elsif response.parsed_response.try(:has_key?, 'message')
+        raise response.parsed_response['message']
+      else
+        raise 'Failed to list teams'
+      end
     end
   end
 end