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					Drupal with CONTENTdm Digital Collections
Marcus Barnes, Simon Fraser University, June 2, 2012
• Overview and Introduction: Drupal in Libraries
  and CONTENTdm

• CONTENTdm Integration Modules

• Tutorial Demo: Getting started with the
  CONTENTdm Integration Modules

• Closing Remarks with Q/A.


Outline
                                                   2
  • Used by many libraries
     •   Rich API
     •   Thousands of ‘contrib’ modules
     •   Ease of integrating with other systems
     •   Thriving Drupal library community
          • http://drupalib.interoperating.info
          • http://groups.drupal.org/libraries
          • drupal4lib email list

Bottom Line:
Drupal offers the flexibility and control necessary for a
library website while leveraging the power of an active open
source community.

Drupal in Libraries
                                                               3
• CONTENTdm: “digital collection management software that
  allows for the upload, description, management and access of
  digital collections.”1 (Product offering of the Online Computer
  Library Center, Inc. (OCLC) [a non-profit membership
  cooperative.]

• Complex issues involved with digital collections – CONTENTdm
  is a vertical application that helps better manage these issues
  into the workflow.

• Windows client especially useful for enforcing business rules
  and quality control during the digitization and uploading stages
  of a project.



CONTENTdm
                                                                     4
CONTENTdm Windows Client:
Editing an Uploaded Item
                            5
CONTENTdm Windows Client:
Adding Multiple Compound Objects
                                   6
 • “A set of modules that allows users to search,
   browse and view CONTENTdm 6.x
   collections from within a Drupal website”
 • Hosted at http://drupal.org/project/contentdm
 • Design principles
   – Modularity
   – Extensibility
   – Ease of customization




Overview of the CONTENTdm modules
                                                    7
• Basic search module
• Viewers for image, PDF, media, compound
  items, URL, and plain text items
• Hierarchical document browser
• Custom queries module, for prebuilt search
  results
• A 'scopes' module, which defines subsets of
  CONTENTdm collections for searching and
  browsing


Out of the box
                                                8
                      Drupal
                  search
        Query
                                  Get / create
                       Result 1   Drupal
                       Result 2   node
CONTENTdm              Result 3                             Comments
   API                 Result 4                             Tags
                       Result 5   Determine
                                  viewer
            Results

                                  Render          Title
                                  output          Creator
                                                  Description


                                                 Display


  Technical architecture
                                                                       9
• The Web Services API makes the CONTENTdm
  PHP API available through a REST interface
• SFU developed this API during the Multicultural
  Canada project, in partnership with Athabasca
  University
• Rationale: We needed to run the MCC website on a
  different web server than CONTENTdm was running
  on.
   – The PHP API was only available if you ran your
      application (e.g., Drupal) on the same web server
      as CONTENTdm


CONTENTdm Web Services API
                                                          10
• Released by OCLC as part of CONTENTdm
  6.x
• REST calls mirror CONTENTdm 5.x PHP API
  functions
  – E.g., dmGetCollectionList, dmQuery,
    dmGetItemInfo
• Response from CONTENTdm is returned in
  either XML or JSON




CONTENTdm API details
                                            11
• Generic form
  – http://CdmServer.com:port/dmwebsetrvices/index.
    php?q=function/param1/param2/format/help/log
• Specific example
  – http://content.lib.sfu.ca:81/dmwebservices/index.p
    hp?q=dmQuery/all/subjec^canada^all^and/title!su
    bjec/title/50/1/0/0/0/0/json




CONTENTdm API REST URLs
                                                         12
• Sites that run the modules:

  – Multicultural Canada (SFU)

  – Denver Public Library

  – Komagata Maru Journey (SFU)

  – Chinese Canadian Stories (UBC)




CONTENTdm Integration Modules
                                     13
1. dmQuery
  – Searches CONTENTdm and returns a result list

2. dmGetItemInfo
  – Returns metadata, filename, and full text for the
    designated item

3. dmGetCompoundObjectInfo
  – If the item is compound, returns a list of all its
    children and its hierarchical structure


CONTENTdm REST API:
Typical Use Pattern                                      14
• CONTENTdm Integration modules for Drupal
  – http://drupal.org/project/contentdm

• Canadiana.org Metadata Exporter

• LOCKSS-friendly front end to CONTENTdm

• SFU Multisearch also uses the API to query
  CONTENTdm


CONTENTdm API: Applications
                                               15
Chinese Head Tax search
                          16
Komagata Maru passenger list entry
                                     17
Google Docs Viewer integration
                                 18
Assumptions:

• You know how to install an instance of Drupal 6.

• You have access to a CONTENTdm Server.




 Demo
                                                     19
• Migration to Drupal 7
• Better synchronizing of updated / reloaded
  items in CONTENTdm
• Integration of more media viewers
  – HTML5 media
  – PDFObject
• Integrate new features of the CONTENTdm
  APIs as they become available
  – Catcher


Future plans
                                               20
   • http://drupal.org/project/contentdm
   • Contributors:
       – Mark Jordan: markj (Project Creator & Leader)
       – Marcus Barnes: M.E.B. (forthcoming)
       – Andy Laken: laken (CONTENTdm Organic Groups integration)




A special thank you to the Simon Fraser University Library and
the Library Systems group for their encouragement and
support on this and other projects.

Closing Remarks
                                                                    21
• Putting content online: a practical guide for libraries
  by Mark Jordan (Oxford: Chandos, 2006)




Resources
                                                            22

				
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