Set up your own OAI data provider with Catmandu and Dancer

README.md

Download this gist and create a symbolic link

$ ln -s catmandu.yml config.yml

This is necessary for the dancer app. In this case Catmandu and Dancer are using the same configuration file.

catmandu.yml

store:
  oai:
    package: Elasticsearch
    options:
      index_name: oai
      bags:
        publication:
          cql_mapping:
            default_index: basic
            indexes:
              _id:
                op:
                  'any': true
                  'all': true
                  '=': true
                  'exact': true
                field: '_id'
              basic:
                op:
                  'any': true
                  'all': true
                  '=': true
                  '<>': true
                field: '_all'
                description: "index with common fields..."
              datestamp:
                op:
                  '=': true
                  '<': true
                  '<=': true
                  '>=': true
                  '>': true
                  'exact': true
                field: '_datestamp'
      index_mappings:
        publication:
          properties:
            _datestamp: {type: date, format: date_time_no_millis}

plugins:
  'Catmandu::OAI':
    store: oai
    bag: publication
    datestamp_field: datestamp
    repositoryName: "My OAI DataProvider"
    uri_base: "http://oai.service.com/oai"
    adminEmail: me@example.com
    earliestDatestamp: "1970-01-01T00:00:01Z"
    deletedRecord: persistent
    repositoryIdentifier: oai.service.com
    cql_filter: "datestamp>2014-12-01T00:00:00Z"
    limit: 200
    delimiter: ":"
    sampleIdentifier: "oai:oai.service.com:1585315"
    metadata_formats:
      -
        metadataPrefix: oai_dc
        schema: "http://www.openarchives.org/OAI/2.0/oai_dc.xsd"
        metadataNamespace: "http://www.openarchives.org/OAI/2.0/oai_dc/"
        template: oai_dc.tt
        fix:
          - nothing()
    sets:
      -
        setSpec: openaccess
        setName: Open Access
        cql: 'oa=1'

oai-app.pl

#!/usr/bin/env perl

use Dancer;
use Catmandu;
use Dancer::Plugin::Catmandu::OAI;

Catmandu->load;
Catmandu->config;

oai_provider '/oai';

dance;

oai_dc.tt

<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/oai_dc/"
           xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/"
           xmlns:dc="http://purl.org/dc/elements/1.1/"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
[%- FOREACH var IN ['title' 'creator' 'subject' 'description' 'publisher' 'contributor' 'date' 'type' 'format' 'identifier' 'source' 'language' 'relation' 'coverage' 'rights'] %]
	[%- FOREACH val IN $var %]
   	<dc:[% var %]>[% val | html %]</dc:[% var %]>
	[%- END %]
[%- END %]
</oai_dc:dc>