--- /dev/null
+
+BEGIN;
+
+INSERT INTO config.upgrade_log (version) VALUES ('0399'); -- miker
+
+CREATE OR REPLACE FUNCTION action.find_circ_matrix_matchpoint( context_ou INT, match_item BIGINT, match_user INT, renewal BOOL ) RETURNS config.circ_matrix_matchpoint AS $func$
+DECLARE
+ current_group permission.grp_tree%ROWTYPE;
+ user_object actor.usr%ROWTYPE;
+ item_object asset.copy%ROWTYPE;
+ cn_object asset.call_number%ROWTYPE;
+ rec_descriptor metabib.rec_descriptor%ROWTYPE;
+ current_mp config.circ_matrix_matchpoint%ROWTYPE;
+ matchpoint config.circ_matrix_matchpoint%ROWTYPE;
+BEGIN
+ SELECT INTO user_object * FROM actor.usr WHERE id = match_user;
+ SELECT INTO item_object * FROM asset.copy WHERE id = match_item;
+ SELECT INTO cn_object * FROM asset.call_number WHERE id = item_object.call_number;
+ SELECT INTO rec_descriptor r.* FROM metabib.rec_descriptor r JOIN asset.call_number c USING (record) WHERE c.id = item_object.call_number;
+ SELECT INTO current_group * FROM permission.grp_tree WHERE id = user_object.profile;
+
+ LOOP
+ -- for each potential matchpoint for this ou and group ...
+ FOR current_mp IN
+ SELECT m.*
+ FROM config.circ_matrix_matchpoint m
+ JOIN actor.org_unit_ancestors( context_ou ) d ON (m.org_unit = d.id)
+ LEFT JOIN actor.org_unit_proximity p ON (p.from_org = context_ou AND p.to_org = d.id)
+ WHERE m.grp = current_group.id
+ AND m.active
+ AND (m.copy_owning_lib IS NULL OR cn_object.owning_lib IN ( SELECT id FROM actor.org_unit_descendants(m.copy_owning_lib) ))
+ AND (m.copy_circ_lib IS NULL OR item_object.circ_lib IN ( SELECT id FROM actor.org_unit_descendants(m.copy_circ_lib) ))
+ ORDER BY CASE WHEN p.prox IS NULL THEN 999 ELSE p.prox END,
+ CASE WHEN m.copy_owning_lib IS NOT NULL
+ THEN 256 / ( SELECT COALESCE(prox, 255) + 1 FROM actor.org_unit_proximity WHERE to_org = cn_object.owning_lib AND from_org = m.copy_owning_lib LIMIT 1 )
+ ELSE 0
+ END +
+ CASE WHEN m.copy_circ_lib IS NOT NULL
+ THEN 256 / ( SELECT COALESCE(prox, 255) + 1 FROM actor.org_unit_proximity WHERE to_org = item_object.circ_lib AND from_org = m.copy_circ_lib LIMIT 1 )
+ ELSE 0
+ END +
+ CASE WHEN m.is_renewal = renewal THEN 128 ELSE 0 END +
+ CASE WHEN m.juvenile_flag IS NOT NULL THEN 64 ELSE 0 END +
+ CASE WHEN m.circ_modifier IS NOT NULL THEN 32 ELSE 0 END +
+ CASE WHEN m.marc_type IS NOT NULL THEN 16 ELSE 0 END +
+ CASE WHEN m.marc_form IS NOT NULL THEN 8 ELSE 0 END +
+ CASE WHEN m.marc_vr_format IS NOT NULL THEN 4 ELSE 0 END +
+ CASE WHEN m.ref_flag IS NOT NULL THEN 2 ELSE 0 END +
+ CASE WHEN m.usr_age_lower_bound IS NOT NULL THEN 0.5 ELSE 0 END +
+ CASE WHEN m.usr_age_upper_bound IS NOT NULL THEN 0.5 ELSE 0 END DESC LOOP
+
+ IF current_mp.is_renewal IS NOT NULL THEN
+ CONTINUE WHEN current_mp.is_renewal <> renewal;
+ END IF;
+
+ IF current_mp.circ_modifier IS NOT NULL THEN
+ CONTINUE WHEN current_mp.circ_modifier <> item_object.circ_modifier OR item_object.circ_modifier IS NULL;
+ END IF;
+
+ IF current_mp.marc_type IS NOT NULL THEN
+ IF item_object.circ_as_type IS NOT NULL THEN
+ CONTINUE WHEN current_mp.marc_type <> item_object.circ_as_type;
+ ELSE
+ CONTINUE WHEN current_mp.marc_type <> rec_descriptor.item_type;
+ END IF;
+ END IF;
+
+ IF current_mp.marc_form IS NOT NULL THEN
+ CONTINUE WHEN current_mp.marc_form <> rec_descriptor.item_form;
+ END IF;
+
+ IF current_mp.marc_vr_format IS NOT NULL THEN
+ CONTINUE WHEN current_mp.marc_vr_format <> rec_descriptor.vr_format;
+ END IF;
+
+ IF current_mp.ref_flag IS NOT NULL THEN
+ CONTINUE WHEN current_mp.ref_flag <> item_object.ref;
+ END IF;
+
+ IF current_mp.juvenile_flag IS NOT NULL THEN
+ CONTINUE WHEN current_mp.juvenile_flag <> user_object.juvenile;
+ END IF;
+
+ IF current_mp.usr_age_lower_bound IS NOT NULL THEN
+ CONTINUE WHEN user_object.dob IS NULL OR current_mp.usr_age_lower_bound < age(user_object.dob);
+ END IF;
+
+ IF current_mp.usr_age_upper_bound IS NOT NULL THEN
+ CONTINUE WHEN user_object.dob IS NULL OR current_mp.usr_age_upper_bound > age(user_object.dob);
+ END IF;
+
+
+ -- everything was undefined or matched
+ matchpoint = current_mp;
+
+ EXIT WHEN matchpoint.id IS NOT NULL;
+ END LOOP;
+
+ EXIT WHEN current_group.parent IS NULL OR matchpoint.id IS NOT NULL;
+
+ SELECT INTO current_group * FROM permission.grp_tree WHERE id = current_group.parent;
+ END LOOP;
+
+ RETURN matchpoint;
+END;
+$func$ LANGUAGE plpgsql;
+
+COMMIT;
+