Managing content item collections

A computing system, comprising:

• a collections server configured to manage one or more collections of content items;
• and
• one or more processors coupled to the collections server, the one or more processors configured to:
• receive, from a client device, a request for collection item metadata associated with a collection item, the request comprising a collection item identifier;
• obtain a content item identifier corresponding to the collection item identifier;
• request content item metadata from a content management system, the content item metadata corresponding to the content item identifier of a content item stored by the content management system;
• receive content item metadata corresponding to the content item identifier;
• filter the content item metadata to remove a portion of the content item metadata comprising privileged information;
• retrieve collection item metadata using the collection item identifier;
• add the filtered content item metadata to the collection item metadata;
• and
• send to the client device the collection item metadata for the content item to be displayed to a user of the client device, without sending the portion of the metadata comprising privileged information.

A non-transitory computer readable medium including one or more sequences of instructions that, when executed by one or more processors, causes the one or more processors to perform operations comprising:

• requesting content item metadata from a content management system in response to receiving a request for collection item metadata, the content item metadata corresponding to a content item associated with a collection item identifier;
• receiving content item metadata corresponding to the content item;
• filtering the content item metadata to remove a portion of the content item metadata comprising privileged information;
• retrieving collection item metadata using the collection item identifier;
• adding the filtered content item metadata to the collection item metadata;
• and
• sending the collection item metadata for the content item to be displayed to a user of the client device, without sending the portion of the metadata comprising privileged information.