Open-ILS/src/sql/Pg/upgrade/0430.schema.strict_ou_test.sql

   1 BEGIN;
   2
   3 INSERT INTO config.upgrade_log (version) VALUES ('0430'); -- miker
   4
   5 ALTER TABLE config.hold_matrix_matchpoint ADD COLUMN strict_ou_match BOOL NOT NULL DEFAULT FALSE;
   6
   7 CREATE OR REPLACE FUNCTION action.find_hold_matrix_matchpoint( pickup_ou INT, request_ou INT, match_item BIGINT, match_user INT, match_requestor INT ) RETURNS INT AS $func$
   8 DECLARE
   9     current_requestor_group    permission.grp_tree%ROWTYPE;
  10     requestor_object    actor.usr%ROWTYPE;
  11     user_object        actor.usr%ROWTYPE;
  12     item_object        asset.copy%ROWTYPE;
  13     item_cn_object        asset.call_number%ROWTYPE;
  14     rec_descriptor        metabib.rec_descriptor%ROWTYPE;
  15     current_mp_weight    FLOAT;
  16     matchpoint_weight    FLOAT;
  17     tmp_weight        FLOAT;
  18     current_mp        config.hold_matrix_matchpoint%ROWTYPE;
  19     matchpoint        config.hold_matrix_matchpoint%ROWTYPE;
  20 BEGIN
  21     SELECT INTO user_object * FROM actor.usr WHERE id = match_user;
  22     SELECT INTO requestor_object * FROM actor.usr WHERE id = match_requestor;
  23     SELECT INTO item_object * FROM asset.copy WHERE id = match_item;
  24     SELECT INTO item_cn_object * FROM asset.call_number WHERE id = item_object.call_number;
  25     SELECT INTO rec_descriptor r.* FROM metabib.rec_descriptor r WHERE r.record = item_cn_object.record;
  26
  27     PERFORM * FROM config.internal_flag WHERE name = 'circ.holds.usr_not_requestor' AND enabled;
  28
  29     IF NOT FOUND THEN
  30         SELECT INTO current_requestor_group * FROM permission.grp_tree WHERE id = requestor_object.profile;
  31     ELSE
  32         SELECT INTO current_requestor_group * FROM permission.grp_tree WHERE id = user_object.profile;
  33     END IF;
  34
  35     LOOP
  36         -- for each potential matchpoint for this ou and group ...
  37         FOR current_mp IN
  38             SELECT    m.*
  39               FROM    config.hold_matrix_matchpoint m
  40               WHERE    m.requestor_grp = current_requestor_group.id AND m.active
  41               ORDER BY    CASE WHEN m.circ_modifier    IS NOT NULL THEN 16 ELSE 0 END +
  42                     CASE WHEN m.juvenile_flag    IS NOT NULL THEN 16 ELSE 0 END +
  43                     CASE WHEN m.marc_type        IS NOT NULL THEN 8 ELSE 0 END +
  44                     CASE WHEN m.marc_form        IS NOT NULL THEN 4 ELSE 0 END +
  45                     CASE WHEN m.marc_vr_format    IS NOT NULL THEN 2 ELSE 0 END +
  46                     CASE WHEN m.ref_flag        IS NOT NULL THEN 1 ELSE 0 END DESC LOOP
  47
  48             current_mp_weight := 5.0;
  49
  50             IF current_mp.circ_modifier IS NOT NULL THEN
  51                 CONTINUE WHEN current_mp.circ_modifier <> item_object.circ_modifier OR item_object.circ_modifier IS NULL;
  52             END IF;
  53
  54             IF current_mp.marc_type IS NOT NULL THEN
  55                 IF item_object.circ_as_type IS NOT NULL THEN
  56                     CONTINUE WHEN current_mp.marc_type <> item_object.circ_as_type;
  57                 ELSE
  58                     CONTINUE WHEN current_mp.marc_type <> rec_descriptor.item_type;
  59                 END IF;
  60             END IF;
  61
  62             IF current_mp.marc_form IS NOT NULL THEN
  63                 CONTINUE WHEN current_mp.marc_form <> rec_descriptor.item_form;
  64             END IF;
  65
  66             IF current_mp.marc_vr_format IS NOT NULL THEN
  67                 CONTINUE WHEN current_mp.marc_vr_format <> rec_descriptor.vr_format;
  68             END IF;
  69
  70             IF current_mp.juvenile_flag IS NOT NULL THEN
  71                 CONTINUE WHEN current_mp.juvenile_flag <> user_object.juvenile;
  72             END IF;
  73
  74             IF current_mp.ref_flag IS NOT NULL THEN
  75                 CONTINUE WHEN current_mp.ref_flag <> item_object.ref;
  76             END IF;
  77
  78
  79             -- caclulate the rule match weight
  80             IF current_mp.item_owning_ou IS NOT NULL THEN
  81                 IF NOT current_mp.strict_ou_match THEN
  82                     SELECT INTO tmp_weight 1.0 / (actor.org_unit_proximity(current_mp.item_owning_ou, item_cn_object.owning_lib)::FLOAT + 1.0)::FLOAT;
  83                 ELSE
  84                     tmp_weight := CASE WHEN current_mp.item_owning_ou = item_cn_object.owning_lib THEN 1.0 ELSE 0.0 END;
  85                 END IF;
  86                 current_mp_weight := current_mp_weight - tmp_weight;
  87             END IF;
  88
  89             IF current_mp.item_circ_ou IS NOT NULL THEN
  90                 IF NOT current_mp.strict_ou_match THEN
  91                     SELECT INTO tmp_weight 1.0 / (actor.org_unit_proximity(current_mp.item_circ_ou, item_object.circ_lib)::FLOAT + 1.0)::FLOAT;
  92                 ELSE
  93                     tmp_weight := CASE WHEN current_mp.item_circ_ou = item_object.circ_lib THEN 1.0 ELSE 0.0 END;
  94                 END IF;
  95                 current_mp_weight := current_mp_weight - tmp_weight;
  96             END IF;
  97
  98             IF current_mp.pickup_ou IS NOT NULL THEN
  99                 IF NOT current_mp.strict_ou_match THEN
 100                     SELECT INTO tmp_weight 1.0 / (actor.org_unit_proximity(current_mp.pickup_ou, pickup_ou)::FLOAT + 1.0)::FLOAT;
 101                 ELSE
 102                     tmp_weight := CASE WHEN current_mp.pickup_ou = pickiup_ou THEN 1.0 ELSE 0.0 END;
 103                 END IF;
 104                 current_mp_weight := current_mp_weight - tmp_weight;
 105             END IF;
 106
 107             IF current_mp.request_ou IS NOT NULL THEN
 108                 IF NOT current_mp.strict_ou_match THEN
 109                     SELECT INTO tmp_weight 1.0 / (actor.org_unit_proximity(current_mp.request_ou, request_ou)::FLOAT + 1.0)::FLOAT;
 110                 ELSE
 111                     tmp_weight := CASE WHEN current_mp.request_ou = request_ou THEN 1.0 ELSE 0.0 END;
 112                 END IF;
 113                 current_mp_weight := current_mp_weight - tmp_weight;
 114             END IF;
 115
 116             IF current_mp.user_home_ou IS NOT NULL THEN
 117                 IF NOT current_mp.strict_ou_match THEN
 118                     SELECT INTO tmp_weight 1.0 / (actor.org_unit_proximity(current_mp.user_home_ou, user_object.home_ou)::FLOAT + 1.0)::FLOAT;
 119                 ELSE
 120                     tmp_weight := CASE WHEN current_mp.user_home_ou = user_object.home_ou THEN 1.0 ELSE 0.0 END;
 121                 END IF;
 122                 current_mp_weight := current_mp_weight - tmp_weight;
 123             END IF;
 124
 125             -- set the matchpoint if we found the best one
 126             IF matchpoint_weight IS NULL OR matchpoint_weight > current_mp_weight THEN
 127                 matchpoint = current_mp;
 128                 matchpoint_weight = current_mp_weight;
 129             END IF;
 130
 131         END LOOP;
 132
 133         EXIT WHEN current_requestor_group.parent IS NULL OR matchpoint.id IS NOT NULL;
 134
 135         SELECT INTO current_requestor_group * FROM permission.grp_tree WHERE id = current_requestor_group.parent;
 136     END LOOP;
 137
 138     RETURN matchpoint.id;
 139 END;
 140 $func$ LANGUAGE plpgsql;
 141
 142 COMMIT;
 143