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islandora_oai.install
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islandora_oai.install
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<?PHP
/**
* @file
* Installs required DB tables and default metadata prefixes for islandora_oai.
*/
/**
* Implements hook_install().
*/
function islandora_oai_install() {
drupal_mkdir('public://islandora_oai_xsls');
db_insert('islandora_oai_metadata_formats')
->fields(array(
'name' => 'oai_dc',
'metadata_prefix' => 'oai_dc',
'oai2_schema' => 'http://www.openarchives.org/OAI/2.0/oai_dc.xsd',
'metadata_namespace' => 'http://www.openarchives.org/OAI/2.0/oai_dc/',
'record_prefix' => 'dc',
'record_namespace' => 'http://purl.org/dc/elements/1.1/',
))
->execute();
db_insert('islandora_oai_metadata_formats')
->fields(array(
'name' => 'oai_etdms',
'metadata_prefix' => 'oai_etdms',
'oai2_schema' => 'http://www.ndltd.org/standards/metadata/etdms/1-0/etdms.xsd',
'metadata_namespace' => 'http://www.ndltd.org/standards/metadata/etdms/1.0/',
'record_prefix' => 'thesis',
'record_namespace' => 'http://www.ndltd.org/standards/metadata/etdms/1.0/',
))
->execute();
db_insert('islandora_oai_metadata_formats')
->fields(array(
'name' => 'mods',
'metadata_prefix' => 'mods',
'oai2_schema' => 'http://www.loc.gov/standards/mods/v3/mods-3-4.xsd',
'metadata_namespace' => 'http://www.loc.gov/mods/v3',
'record_prefix' => 'mods',
'record_namespace' => 'http://www.loc.gov/mods/v3',
))
->execute();
db_insert('islandora_oai_metadata_formats')
->fields(array(
'name' => 'qdc',
'metadata_prefix' => 'oai_qdc',
'oai2_schema' => 'http://dublincore.org/schemas/xmls/qdc/2008/02/11/qualifieddc.xsd',
'metadata_namespace' => 'http://purl.org/dc/terms/',
'record_prefix' => 'dc',
'record_namespace' => 'http://purl.org/dc/terms/',
))
->execute();
}
/**
* Implements hook_schema().
*/
function islandora_oai_schema() {
$schema = array();
$schema['islandora_oai_tokens'] = array(
'fields' => array(
'id' => array(
'type' => 'int',
'size' => 'big',
'not null' => TRUE,
'default' => 0,
'disp-width' => '20',
),
'deliveredrecords' => array(
'type' => 'int',
'not null' => TRUE,
'default' => 0,
'disp-width' => '11',
),
'extquery' => array(
'type' => 'varchar',
'length' => '255',
'not null' => FALSE,
'default' => '',
),
'queryargs' => array(
'type' => 'varchar',
'length' => '255',
'not null' => FALSE,
'default' => '',
),
'setargs' => array(
'type' => 'varchar',
// Length of Fedora pid.
'length' => '64',
'not null' => FALSE,
'default' => '',
),
'metadata_prefix' => array(
'type' => 'varchar',
'length' => '255',
'not null' => FALSE,
'default' => '',
),
'timestamp' => array(
'type' => 'int',
'not null' => TRUE,
'default' => 0,
'disp-width' => '11',
),
),
'primary key' => array('id'),
);
$schema['islandora_oai_metadata_formats'] = array(
'description' => 'Stores information about OAI2 formats',
'fields' => array(
'name' => array(
'type' => 'varchar',
'length' => '100',
'not null' => TRUE,
'default' => '',
),
'metadata_prefix' => array(
'type' => 'varchar',
'length' => '100',
'not null' => TRUE,
'default' => '',
),
'oai2_schema' => array(
'type' => 'varchar',
'length' => '255',
'not null' => TRUE,
'default' => '',
),
'metadata_namespace' => array(
'type' => 'varchar',
'length' => '255',
'not null' => TRUE,
'default' => '',
),
'record_prefix' => array(
'type' => 'varchar',
'length' => '100',
'not null' => TRUE,
'default' => '',
),
'record_namespace' => array(
'type' => 'varchar',
'length' => '255',
'not null' => TRUE,
'default' => '',
),
),
'primary key' => array('name'),
);
return $schema;
}
/**
* Implements hook_uninstall().
*/
function islandora_oai_uninstall() {
$upload_path = 'public://islandora_oai_xsls';
$removal_files = file_scan_directory($upload_path, '/(.*)/');
foreach ($removal_files as $file) {
@file_delete($file);
}
drupal_rmdir($upload_path);
$metadata_formats = array();
$results = db_query('SELECT metadata_prefix FROM {islandora_oai_metadata_formats} ORDER BY name');
foreach ($results as $row) {
$metadata_formats[] = $row->metadata_prefix;
}
$variable_variables = array(
'islandora_oai_metadata_datastream_id_!format',
'islandora_oai_transform_file_!format',
'islandora_oai_self_transform_file_!format',
'islandora_oai_include_object_links_for_!format',
'islandora_oai_object_links_for_!format_xpath',
'islandora_oai_object_links_for_!format_field',
'islandora_oai_object_links_for_!format_record_namespace',
);
foreach ($metadata_formats as $metadata_prefix) {
foreach ($variable_variables as $var) {
$field = format_string($var, array('!format' => $metadata_prefix));
variable_del($field);
}
}
$variables = array(
'islandora_oai_collection_field',
'islandora_oai_content_model_field',
'islandora_oai_date_field',
'islandora_oai_exclude_content_models',
'islandora_oai_exclude_islandora_namespace',
'islandora_oai_append_dc_thumbnail',
'islandora_oai_query_backend',
'islandora_oai_solr_state_field',
'islandora_oai_solr_collection_description_field',
'islandora_oai_solr_object_ancestors_field',
);
array_walk($variables, 'variable_del');
}
/**
* Renames database tables to reflect the new ones.
*/
function islandora_oai_update_7100(&$sandbox) {
if (db_table_exists('oai2_tokens')) {
db_rename_table('oai2_tokens', 'islandora_oai_tokens');
}
if (db_table_exists('oai2_metadata_formats')) {
db_rename_table('oai2_metadata_formats', 'islandora_oai_metadata_formats');
}
}
/**
* Add support for MODS.
*/
function islandora_oai_update_7101(&$sandbox) {
db_insert('islandora_oai_metadata_formats')
->fields(array(
'name' => 'mods',
'metadata_prefix' => 'mods',
'oai2_schema' => 'http://www.loc.gov/standards/mods/v3/mods-3-4.xsd',
'metadata_namespace' => 'http://www.loc.gov/mods/v3',
'record_prefix' => 'mods',
'record_namespace' => 'http://www.loc.gov/mods/v3',
))
->execute();
}
/**
* Installs corrected ETDMS schema URL.
*/
function islandora_oai_update_7102() {
db_update('islandora_oai_metadata_formats')
->fields(array(
'oai2_schema' => 'http://www.ndltd.org/standards/metadata/etdms/1-0/etdms.xsd',
))
->condition('name', 'oai_etdms')
->condition('metadata_prefix', 'oai_etdms')
->execute();
}
/**
* Add support for QDC.
*/
function islandora_oai_update_7103(&$sandbox) {
db_insert('islandora_oai_metadata_formats')
->fields(array(
'name' => 'qdc',
'metadata_prefix' => 'oai_qdc',
'oai2_schema' => 'http://dublincore.org/schemas/xmls/qdc/2008/02/11/qualifieddc.xsd',
'metadata_namespace' => 'http://purl.org/dc/terms/',
'record_prefix' => 'dc',
'record_namespace' => 'http://purl.org/dc/terms/',
))
->execute();
}