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Search and Index
Finding Aids is powered by Blacklight, which means Solr. A Solr index allows for robust searching and quick retrieval of large data sets. How perfect for special collections finding aids! These finding aids, exported by Archivists' Toolkit or Archivespace or [INSERT YOUR ARCHIVE TOOL HERE] as EAD (Encoded Archival Description) XML documents, can be massive files with varying search and styling needs. With the use of the solr_ead gem we've been able to index these documents in Solr in a way Blacklight can easily read and hence we can benefit from all its built-in freebies.
Another github repository houses the actual EADs in all their original exported glory. We can schedule a full reindex of the EADs into Solr. We can also schedule jobs to reindex only changed EADs or EADs changed within a certain period of time.
rake findingaids:ead:index EAD=findingaids_eads/archives/adler.xml
rake findingaids:ead:index EAD=findingaids_eads/archives
rake findingaids:ead:reindex_changed
rake findingaids:ead:reindex_changed_since_last_week
rake findingaids:ead:reindex_changed_since_yesterday
rake findingaids:ead:reindex_changed_since_days_ago[days]
Never do this in production*
rake findingaids:ead:clean
To delete all records from the index do the following in the Rails console:
indexer = SolrEad::Indexer.new
indexer.solr.delete_by_query("*:*")
Or the following for a delete by query:
indexer.solr.delete_by_query("respository_s:fales")
SolrEad allows for the definition of a CustomDocument which overrides the default terminology when converting the EAD into a Solr document (the terminology is written in om format). This CustomDocument can be found in lib/findingaids/custom_document.rb with further formatting done in lib/findingaids/record.rb.
See the solr_ead documentation for more information on custom documents.
EAD XML documents have separate components denoted by <c> elements, which if specified SolrEad indexes separately with a reference back to its parent EAD. Similarly to the CustomDocument, a CustomComponent can be defined and is defined by us at lib/findingaids/custom_component.rb.