Expose bib source in TPAC

- Add unapi.cbs database function to grab config.bib_source data, and
  include this in unapi.bre XML output.
- Make bib_source.id and bib_source.source available as record
  attributes in TPAC.

Signed-off-by: Jeff Davis <jdavis@sitka.bclibraries.ca>

diff --git a/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.unapi_include_bib_source.sql b/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.unapi_include_bib_source.sql
new file mode 100644 (file)
index 0000000..e852277
--- /dev/null
+++ b/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.unapi_include_bib_source.sql
@@ -0,0 +1,145 @@
+-- Include bib source in XML returned by unapi.bre.
+BEGIN;
+
+-- check whether patch can be applied
+SELECT evergreen.upgrade_deps_block_check('XXXX', :eg_version);
+
+CREATE OR REPLACE FUNCTION unapi.cbs ( obj_id BIGINT, format TEXT,  ename TEXT, includes TEXT[], org TEXT, depth INT DEFAULT NULL, slimit HSTORE DEFAULT NULL, soffset HSTORE DEFAULT NULL, include_xmlns BOOL DEFAULT TRUE ) RETURNS XML AS $F$
+    SELECT  XMLELEMENT(
+                name bib_source,
+                XMLATTRIBUTES(
+                    NULL AS xmlns, -- TODO needs equivalent to http://open-ils.org/spec/holdings/v1
+                    id AS ident,
+                    quality,
+                    transcendant,
+                    can_have_copies
+                ),
+                source
+            )
+      FROM  config.bib_source
+      WHERE id = $1;
+$F$ LANGUAGE SQL STABLE;
+
+
+CREATE OR REPLACE FUNCTION unapi.bre (
+    obj_id BIGINT,
+    format TEXT,
+    ename TEXT,
+    includes TEXT[],
+    org TEXT,
+    depth INT DEFAULT NULL,
+    slimit HSTORE DEFAULT NULL,
+    soffset HSTORE DEFAULT NULL,
+    include_xmlns BOOL DEFAULT TRUE,
+    pref_lib INT DEFAULT NULL
+)
+RETURNS XML AS $F$
+DECLARE
+    me      biblio.record_entry%ROWTYPE;
+    layout  unapi.bre_output_layout%ROWTYPE;
+    xfrm    config.xml_transform%ROWTYPE;
+    ouid    INT;
+    tmp_xml TEXT;
+    top_el  TEXT;
+    output  XML;
+    hxml    XML;
+    axml    XML;
+    source  XML;
+BEGIN
+
+    IF org = '-' OR org IS NULL THEN
+        SELECT shortname INTO org FROM evergreen.org_top();
+    END IF;
+
+    SELECT id INTO ouid FROM actor.org_unit WHERE shortname = org;
+
+    IF ouid IS NULL THEN
+        RETURN NULL::XML;
+    END IF;
+
+    IF format = 'holdings_xml' THEN -- the special case
+        output := unapi.holdings_xml( obj_id, ouid, org, depth, includes, slimit, soffset, include_xmlns);
+        RETURN output;
+    END IF;
+
+    SELECT * INTO layout FROM unapi.bre_output_layout WHERE name = format;
+
+    IF layout.name IS NULL THEN
+        RETURN NULL::XML;
+    END IF;
+
+    SELECT * INTO xfrm FROM config.xml_transform WHERE name = layout.transform;
+
+    SELECT * INTO me FROM biblio.record_entry WHERE id = obj_id;
+
+    -- grab bib_source, if any
+    IF me.source IS NOT NULL THEN
+        source := unapi.cbs(me.source,NULL,NULL,NULL,NULL);
+    ELSE
+        source := NULL::XML;
+    END IF;
+
+    -- grab SVF if we need them
+    IF ('mra' = ANY (includes)) THEN 
+        axml := unapi.mra(obj_id,NULL,NULL,NULL,NULL);
+    ELSE
+        axml := NULL::XML;
+    END IF;
+
+    -- grab holdings if we need them
+    IF ('holdings_xml' = ANY (includes)) THEN 
+        hxml := unapi.holdings_xml(obj_id, ouid, org, depth, evergreen.array_remove_item_by_value(includes,'holdings_xml'), slimit, soffset, include_xmlns, pref_lib);
+    ELSE
+        hxml := NULL::XML;
+    END IF;
+
+
+    -- generate our item node
+
+
+    IF format = 'marcxml' THEN
+        tmp_xml := me.marc;
+        IF tmp_xml !~ E'<marc:' THEN -- If we're not using the prefixed namespace in this record, then remove all declarations of it
+           tmp_xml := REGEXP_REPLACE(tmp_xml, ' xmlns:marc="http://www.loc.gov/MARC21/slim"', '', 'g');
+        END IF; 
+    ELSE
+        tmp_xml := oils_xslt_process(me.marc, xfrm.xslt)::XML;
+    END IF;
+
+    top_el := REGEXP_REPLACE(tmp_xml, E'^.*?<((?:\\S+:)?' || layout.holdings_element || ').*$', E'\\1');
+
+    IF source IS NOT NULL THEN
+        tmp_xml := REGEXP_REPLACE(tmp_xml, '</' || top_el || '>(.*?)$', source || '</' || top_el || E'>\\1');
+    END IF;
+
+    IF axml IS NOT NULL THEN 
+        tmp_xml := REGEXP_REPLACE(tmp_xml, '</' || top_el || '>(.*?)$', axml || '</' || top_el || E'>\\1');
+    END IF;
+
+    IF hxml IS NOT NULL THEN -- XXX how do we configure the holdings position?
+        tmp_xml := REGEXP_REPLACE(tmp_xml, '</' || top_el || '>(.*?)$', hxml || '</' || top_el || E'>\\1');
+    END IF;
+
+    IF ('bre.unapi' = ANY (includes)) THEN 
+        output := REGEXP_REPLACE(
+            tmp_xml,
+            '</' || top_el || '>(.*?)',
+            XMLELEMENT(
+                name abbr,
+                XMLATTRIBUTES(
+                    'http://www.w3.org/1999/xhtml' AS xmlns,
+                    'unapi-id' AS class,
+                    'tag:open-ils.org:U2@bre/' || obj_id || '/' || org AS title
+                )
+            )::TEXT || '</' || top_el || E'>\\1'
+        );
+    ELSE
+        output := tmp_xml;
+    END IF;
+
+    output := REGEXP_REPLACE(output::TEXT,E'>\\s+<','><','gs')::XML;
+    RETURN output;
+END;
+$F$ LANGUAGE PLPGSQL STABLE;
+
+COMMIT;

diff --git a/Open-ILS/src/templates/opac/parts/misc_util.tt2 b/Open-ILS/src/templates/opac/parts/misc_util.tt2
index fa3ed90..41f9961 100644 (file)
--- a/Open-ILS/src/templates/opac/parts/misc_util.tt2
+++ b/Open-ILS/src/templates/opac/parts/misc_util.tt2
@@ -285,6 +285,11 @@
 
         ou_hiding_disabled = ctx.org_hiding_disabled();
 
+        # explicitly grabbing the first bib_source node, though there should be only one anyway
+        bib_source = xml.findnodes('//*[local-name()="bib_source"][1]');
+        args.bib_source.id = bib_source.getAttribute('ident');
+        args.bib_source.source = bib_source.textContent;
+
         FOR volume IN xml.findnodes('//*[local-name()="volumes"]/*[local-name()="volume"]');
 
             # Check volume visibility - could push this into XPath