3 CREATE OR REPLACE FUNCTION biblio.extract_located_uris( bib_id BIGINT, marcxml TEXT, editor_id INT ) RETURNS VOID AS $func$
10 uri_owner_list TEXT[];
19 current_uri_map_list INT[];
20 current_map_owner_list INT[];
24 uris := oils_xpath('//*[@tag="856" and (@ind1="4" or @ind1="1") and (@ind2="0" or @ind2="1")]',marcxml);
25 IF ARRAY_UPPER(uris,1) > 0 THEN
26 FOR i IN 1 .. ARRAY_UPPER(uris, 1) LOOP
27 -- First we pull info out of the 856
30 uri_href := (oils_xpath('//*[@code="u"]/text()',uri_xml))[1];
31 uri_label := (oils_xpath('//*[@code="y"]/text()|//*[@code="3"]/text()',uri_xml))[1];
32 uri_use := (oils_xpath('//*[@code="z"]/text()|//*[@code="2"]/text()|//*[@code="n"]/text()',uri_xml))[1];
34 IF uri_label IS NULL THEN
35 uri_label := uri_href;
37 CONTINUE WHEN uri_href IS NULL;
39 -- Get the distinct list of libraries wanting to use
41 DISTINCT REGEXP_REPLACE(
43 $re$^.*?\((\w+)\).*$$re$,
49 '//*[@code="9"]/text()|//*[@code="w"]/text()|//*[@code="n"]/text()',
54 IF ARRAY_UPPER(uri_owner_list,1) > 0 THEN
56 -- look for a matching uri
57 IF uri_use IS NULL THEN
60 WHERE label = uri_label AND href = uri_href AND use_restriction IS NULL AND active
62 IF NOT FOUND THEN -- create one
63 INSERT INTO asset.uri (label, href, use_restriction) VALUES (uri_label, uri_href, uri_use);
66 WHERE label = uri_label AND href = uri_href AND use_restriction IS NULL AND active;
71 WHERE label = uri_label AND href = uri_href AND use_restriction = uri_use AND active
73 IF NOT FOUND THEN -- create one
74 INSERT INTO asset.uri (label, href, use_restriction) VALUES (uri_label, uri_href, uri_use);
77 WHERE label = uri_label AND href = uri_href AND use_restriction = uri_use AND active;
81 FOR j IN 1 .. ARRAY_UPPER(uri_owner_list, 1) LOOP
82 uri_owner := uri_owner_list[j];
84 SELECT id INTO uri_owner_id FROM actor.org_unit WHERE shortname = BTRIM(REPLACE(uri_owner,chr(160),''));
85 CONTINUE WHEN NOT FOUND;
87 -- we need a call number to link through
88 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;
90 INSERT INTO asset.call_number (owning_lib, record, create_date, edit_date, creator, editor, label)
91 VALUES (uri_owner_id, bib_id, 'now', 'now', editor_id, editor_id, '##URI##');
92 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;
95 -- now, link them if they're not already
96 SELECT id INTO uri_map_id FROM asset.uri_call_number_map WHERE call_number = uri_cn_id AND uri = uri_id;
98 INSERT INTO asset.uri_call_number_map (call_number, uri) VALUES (uri_cn_id, uri_id);
99 SELECT id INTO uri_map_id FROM asset.uri_call_number_map WHERE call_number = uri_cn_id AND uri = uri_id;
102 current_uri_map_list := current_uri_map_list || uri_map_id;
103 current_map_owner_list := current_map_owner_list || uri_cn_id;
112 -- Clear any orphaned URIs, URI mappings and call
113 -- numbers for this bib that weren't mapped above.
116 FROM asset.uri_call_number_map m
117 LEFT JOIN asset.call_number cn ON (cn.id = m.call_number)
118 WHERE cn.record = bib_id
119 AND cn.label = '##URI##'
120 AND (NOT (m.id = ANY (current_uri_map_list))
121 OR current_uri_map_list is NULL)
123 SELECT uri INTO current_uri FROM asset.uri_call_number_map WHERE id = current_map;
124 DELETE FROM asset.uri_call_number_map WHERE id = current_map;
126 SELECT COUNT(*) INTO uri_map_count FROM asset.uri_call_number_map WHERE uri = current_uri;
127 IF uri_map_count = 0 THEN
128 DELETE FROM asset.uri WHERE id = current_uri;
132 UPDATE asset.call_number
133 SET deleted = TRUE, edit_date = now(), editor = editor_id
136 FROM asset.call_number
137 WHERE record = bib_id
138 AND label = '##URI##'
140 AND (NOT (id = ANY (current_map_owner_list))
141 OR current_map_owner_list is NULL)
146 $func$ LANGUAGE PLPGSQL;
148 -- Remove existing orphaned URIs from the database.
149 DELETE FROM asset.uri
154 LEFT JOIN asset.uri_call_number_map
155 ON uri_call_number_map.uri = uri.id
156 LEFT JOIN serial.item
158 WHERE uri_call_number_map IS NULL