+++ /dev/null
-BEGIN;
-
-CREATE OR REPLACE FUNCTION biblio.extract_located_uris( bib_id BIGINT, marcxml TEXT, editor_id INT ) RETURNS VOID AS $func$
-DECLARE
- uris TEXT[];
- uri_xml TEXT;
- uri_label TEXT;
- uri_href TEXT;
- uri_use TEXT;
- uri_owner_list TEXT[];
- uri_owner TEXT;
- uri_owner_id INT;
- uri_id INT;
- uri_cn_id INT;
- uri_map_id INT;
- current_uri INT;
- current_map INT;
- uri_map_count INT;
- current_uri_map_list INT[];
- current_map_owner_list INT[];
-
-BEGIN
-
- uris := oils_xpath('//*[@tag="856" and (@ind1="4" or @ind1="1") and (@ind2="0" or @ind2="1")]',marcxml);
- IF ARRAY_UPPER(uris,1) > 0 THEN
- FOR i IN 1 .. ARRAY_UPPER(uris, 1) LOOP
- -- First we pull info out of the 856
- uri_xml := uris[i];
-
- uri_href := (oils_xpath('//*[@code="u"]/text()',uri_xml))[1];
- uri_label := (oils_xpath('//*[@code="y"]/text()|//*[@code="3"]/text()',uri_xml))[1];
- uri_use := (oils_xpath('//*[@code="z"]/text()|//*[@code="2"]/text()|//*[@code="n"]/text()',uri_xml))[1];
-
- IF uri_label IS NULL THEN
- uri_label := uri_href;
- END IF;
- CONTINUE WHEN uri_href IS NULL;
-
- -- Get the distinct list of libraries wanting to use
- SELECT ARRAY_AGG(
- DISTINCT REGEXP_REPLACE(
- x,
- $re$^.*?\((\w+)\).*$$re$,
- E'\\1'
- )
- ) INTO uri_owner_list
- FROM UNNEST(
- oils_xpath(
- '//*[@code="9"]/text()|//*[@code="w"]/text()|//*[@code="n"]/text()',
- uri_xml
- )
- )x;
-
- IF ARRAY_UPPER(uri_owner_list,1) > 0 THEN
-
- -- look for a matching uri
- IF uri_use IS NULL THEN
- SELECT id INTO uri_id
- FROM asset.uri
- WHERE label = uri_label AND href = uri_href AND use_restriction IS NULL AND active
- ORDER BY id LIMIT 1;
- IF NOT FOUND THEN -- create one
- INSERT INTO asset.uri (label, href, use_restriction) VALUES (uri_label, uri_href, uri_use);
- SELECT id INTO uri_id
- FROM asset.uri
- WHERE label = uri_label AND href = uri_href AND use_restriction IS NULL AND active;
- END IF;
- ELSE
- SELECT id INTO uri_id
- FROM asset.uri
- WHERE label = uri_label AND href = uri_href AND use_restriction = uri_use AND active
- ORDER BY id LIMIT 1;
- IF NOT FOUND THEN -- create one
- INSERT INTO asset.uri (label, href, use_restriction) VALUES (uri_label, uri_href, uri_use);
- SELECT id INTO uri_id
- FROM asset.uri
- WHERE label = uri_label AND href = uri_href AND use_restriction = uri_use AND active;
- END IF;
- END IF;
-
- FOR j IN 1 .. ARRAY_UPPER(uri_owner_list, 1) LOOP
- uri_owner := uri_owner_list[j];
-
- SELECT id INTO uri_owner_id FROM actor.org_unit WHERE shortname = BTRIM(REPLACE(uri_owner,chr(160),''));
- CONTINUE WHEN NOT FOUND;
-
- -- we need a call number to link through
- SELECT id INTO uri_cn_id FROM asset.call_number WHERE owning_lib = uri_owner_id AND record = bib_id AND label = '##URI##' AND NOT deleted;
- IF NOT FOUND THEN
- INSERT INTO asset.call_number (owning_lib, record, create_date, edit_date, creator, editor, label)
- VALUES (uri_owner_id, bib_id, 'now', 'now', editor_id, editor_id, '##URI##');
- SELECT id INTO uri_cn_id FROM asset.call_number WHERE owning_lib = uri_owner_id AND record = bib_id AND label = '##URI##' AND NOT deleted;
- END IF;
-
- -- now, link them if they're not already
- SELECT id INTO uri_map_id FROM asset.uri_call_number_map WHERE call_number = uri_cn_id AND uri = uri_id;
- IF NOT FOUND THEN
- INSERT INTO asset.uri_call_number_map (call_number, uri) VALUES (uri_cn_id, uri_id);
- SELECT id INTO uri_map_id FROM asset.uri_call_number_map WHERE call_number = uri_cn_id AND uri = uri_id;
- END IF;
-
- current_uri_map_list := current_uri_map_list || uri_map_id;
- current_map_owner_list := current_map_owner_list || uri_cn_id;
-
- END LOOP;
-
- END IF;
-
- END LOOP;
- END IF;
-
- -- Clear any orphaned URIs, URI mappings and call
- -- numbers for this bib that weren't mapped above.
- FOR current_map IN
- SELECT m.id
- FROM asset.uri_call_number_map m
- LEFT JOIN asset.call_number cn ON (cn.id = m.call_number)
- WHERE cn.record = bib_id
- AND cn.label = '##URI##'
- AND (NOT (m.id = ANY (current_uri_map_list))
- OR current_uri_map_list is NULL)
- LOOP
- SELECT uri INTO current_uri FROM asset.uri_call_number_map WHERE id = current_map;
- DELETE FROM asset.uri_call_number_map WHERE id = current_map;
-
- SELECT COUNT(*) INTO uri_map_count FROM asset.uri_call_number_map WHERE uri = current_uri;
- IF uri_map_count = 0 THEN
- DELETE FROM asset.uri WHERE id = current_uri;
- END IF;
- END LOOP;
-
- UPDATE asset.call_number
- SET deleted = TRUE, edit_date = now(), editor = editor_id
- WHERE id IN (
- SELECT id
- FROM asset.call_number
- WHERE record = bib_id
- AND label = '##URI##'
- AND NOT deleted
- AND (NOT (id = ANY (current_map_owner_list))
- OR current_map_owner_list is NULL)
- );
-
- RETURN;
-END;
-$func$ LANGUAGE PLPGSQL;
-
--- Remove existing orphaned URIs from the database.
-DELETE FROM asset.uri
-WHERE id IN
-(
-SELECT uri.id
-FROM asset.uri
-LEFT JOIN asset.uri_call_number_map
-ON uri_call_number_map.uri = uri.id
-LEFT JOIN serial.item
-ON item.uri = uri.id
-WHERE uri_call_number_map IS NULL
-AND item IS NULL
-);
-
-COMMIT;
-