-- NOTE -- This will delete everything from kamailio.dialplan!
-- NOTE -- A backup is made to migration tables, run 5824.up immediately to restore it!

use provisioning;

CREATE TABLE `voip_rewrite_rule_sets` (
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `name` varchar(32) NOT NULL,
  `description` varchar(255) DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `name_idx` (`name`)
) ENGINE=InnoDB;
 
CREATE TABLE `voip_rewrite_rules` (
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `set_id` int(11) unsigned NOT NULL,
  `match_pattern` varchar(64) NOT NULL DEFAULT '',
  `replace_pattern` varchar(64) NOT NULL,
  `description` varchar(127) NOT NULL DEFAULT '',
  `direction` enum('in','out') NOT NULL DEFAULT 'in',
  `field` enum('caller','callee') NOT NULL DEFAULT 'caller',
  `priority` int(11) unsigned NOT NULL DEFAULT '50',
  PRIMARY KEY (`id`),
  KEY `setidx` (`set_id`),
  KEY `dirfieldidx` (`direction`,`field`),
  CONSTRAINT `v_rwr_setid_ref` FOREIGN KEY (`set_id`) REFERENCES `voip_rewrite_rule_sets` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB;

DROP TRIGGER voip_domrw_crepl_trig;
DROP TRIGGER voip_domrw_urepl_trig;
DROP TRIGGER voip_domrw_drepl_trig;
DROP TRIGGER voip_peerrw_crepl_trig;
DROP TRIGGER voip_peerrw_urepl_trig;
DROP TRIGGER voip_peerrw_drepl_trig;

DELETE FROM kamailio.dialplan;

DELIMITER |

CREATE TRIGGER voip_rwrules_crepl_trig AFTER INSERT ON voip_rewrite_rules
  FOR EACH ROW BEGIN

  INSERT INTO kamailio.dialplan (dpid,pr,match_op,match_exp,match_len,subst_exp,repl_exp,attrs)
                          VALUES(NEW.set_id,NEW.priority,1,NEW.match_pattern,0,NEW.match_pattern,NEW.replace_pattern,'');

  END;
|

CREATE TRIGGER voip_rwrules_urepl_trig AFTER UPDATE ON voip_rewrite_rules
  FOR EACH ROW BEGIN

  UPDATE kamailio.dialplan
     SET pr        = NEW.priority,
         match_exp = NEW.match_pattern,
         subst_exp = NEW.match_pattern,
         repl_exp  = NEW.replace_pattern
   WHERE dpid      = OLD.set_id
     AND pr        = OLD.priority
     AND match_exp = OLD.match_pattern
     AND subst_exp = OLD.match_pattern
     AND repl_exp  = OLD.replace_pattern;

  END;
|

CREATE TRIGGER voip_rwrules_drepl_trig BEFORE DELETE ON voip_rewrite_rules
  FOR EACH ROW BEGIN

  DELETE FROM kamailio.dialplan
   WHERE dpid      = OLD.set_id
     AND pr        = OLD.priority
     AND match_exp = OLD.match_pattern
     AND subst_exp = OLD.match_pattern 
     AND repl_exp  = OLD.replace_pattern;

  END;
|

CREATE TRIGGER voip_rwrulesets_drepl_trig BEFORE DELETE ON voip_rewrite_rule_sets
  FOR EACH ROW BEGIN

  -- work around MySQL bug. the cascaded delete should trigger our
  -- voip_dom_preferences delete action, but doesn't
  DELETE FROM kamailio.dialplan WHERE dpid = OLD.id;

  END;
|

DELIMITER ;

INSERT INTO voip_preferences (attribute, type, usr_pref, dom_pref, peer_pref, data_type, max_occur, description, modify_timestamp)
                       VALUES('rewrite_rule_set', 1, 1, 1, 1, 'int', 1, 'Specifies the list of caller and callee rewrite rules which should be applied for incoming and outgoing calls.', '1970-01-01 00:00:00');

-- create rw rules backup for upgrade
CREATE TABLE `voip_domain_rewrites_rwsmig` SELECT * FROM `voip_domain_rewrites`;
CREATE TABLE `voip_domain_rwsmig` SELECT b.domain_id,
                                         b.value AS dp_caller_in_id,
                                         d.value AS dp_callee_in_id,
                                         f.value AS dp_caller_out_id,
                                         h.value AS dp_callee_out_id
                                    FROM `voip_preferences` a INNER JOIN `voip_dom_preferences` b
                                                                     ON a.attribute = 'dp_dom_caller_in'
                                                                     AND a.id = b.attribute_id
                                                              INNER JOIN `voip_preferences` c
                                                                     ON c.attribute = 'dp_dom_callee_in'
                                                              INNER JOIN `voip_dom_preferences` d
                                                                     ON c.id = d.attribute_id
                                                                     AND b.domain_id = d.domain_id
                                                              INNER JOIN `voip_preferences` e
                                                                     ON e.attribute = 'dp_dom_caller_out'
                                                              INNER JOIN `voip_dom_preferences` f
                                                                     ON e.id = f.attribute_id
                                                                     AND d.domain_id = f.domain_id
                                                              INNER JOIN `voip_preferences` g
                                                                     ON g.attribute = 'dp_dom_callee_out'
                                                              INNER JOIN `voip_dom_preferences` h
                                                                     ON g.id = h.attribute_id
                                                                     AND f.domain_id = h.domain_id;
CREATE TABLE `voip_peer_rewrites_rwsmig` SELECT * FROM `voip_peer_rewrites`;
CREATE TABLE `voip_peer_hosts_rwsmig` SELECT * FROM `voip_peer_hosts`;

DROP TABLE `voip_domain_rewrites`;
DROP TABLE `voip_peer_rewrites`;