newznab-tmux/database/migrations/2017_10_12_135623_create_triggers.php

<?php

use Illuminate\Database\Migrations\Migration;

class CreateTriggers extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        DB::unprepared("CREATE TRIGGER check_insert BEFORE INSERT ON releases FOR EACH ROW
  BEGIN
    IF NEW.searchname REGEXP '[a-fA-F0-9]{32}' OR NEW.name REGEXP '[a-fA-F0-9]{32}'
      THEN SET NEW.ishashed = 1;
    ELSEIF NEW.name REGEXP '^\\[ ?([[:digit:]]{4,6}) ?\\]|^REQ\\s*([[:digit:]]{4,6})|^([[:digit:]]{4,6})-[[:digit:]]{1}\\s?\\['
      THEN SET NEW.isrequestid = 1;
    END IF;
  END;

CREATE TRIGGER check_update BEFORE UPDATE ON releases FOR EACH ROW
  BEGIN
    IF NEW.searchname REGEXP '[a-fA-F0-9]{32}' OR NEW.name REGEXP '[a-fA-F0-9]{32}'
      THEN SET NEW.ishashed = 1;
    ELSEIF NEW.name REGEXP '^\\[ ?([[:digit:]]{4,6}) ?\\]|^REQ\\s*([[:digit:]]{4,6})|^([[:digit:]]{4,6})-[[:digit:]]{1}\\s?\\['
      THEN SET NEW.isrequestid = 1;
    END IF;
  END;

CREATE TRIGGER check_rfinsert BEFORE INSERT ON release_files FOR EACH ROW
  BEGIN
    IF NEW.name REGEXP '[a-fA-F0-9]{32}'
      THEN SET NEW.ishashed = 1;
    END IF;
  END;

CREATE TRIGGER check_rfupdate BEFORE UPDATE ON release_files FOR EACH ROW
  BEGIN
    IF NEW.name REGEXP '[a-fA-F0-9]{32}'
      THEN SET NEW.ishashed = 1;
    END IF;
  END;

CREATE TRIGGER insert_search AFTER INSERT ON releases FOR EACH ROW
  BEGIN
    INSERT INTO release_search_data (releases_id, guid, name, searchname, fromname) VALUES (NEW.id, NEW.guid, NEW.name, NEW.searchname, NEW.fromname);
  END;

CREATE TRIGGER update_search AFTER UPDATE ON releases FOR EACH ROW
  BEGIN
    IF NEW.guid != OLD.guid
      THEN UPDATE release_search_data SET guid = NEW.guid WHERE releases_id = OLD.id;
    END IF;
    IF NEW.name != OLD.name
      THEN UPDATE release_search_data SET name = NEW.name WHERE releases_id = OLD.id;
    END IF;
    IF NEW.searchname != OLD.searchname
      THEN UPDATE release_search_data SET searchname = NEW.searchname WHERE releases_id = OLD.id;
    END IF;
    IF NEW.fromname != OLD.fromname
      THEN UPDATE release_search_data SET fromname = NEW.fromname WHERE releases_id = OLD.id;
    END IF;
  END;

CREATE TRIGGER delete_search AFTER DELETE ON releases FOR EACH ROW
  BEGIN
    DELETE FROM release_search_data WHERE releases_id = OLD.id;
  END;

CREATE TRIGGER insert_hashes AFTER INSERT ON predb FOR EACH ROW BEGIN INSERT INTO predb_hashes (hash, predb_id) VALUES (UNHEX(MD5(NEW.title)), NEW.id), (UNHEX(MD5(MD5(NEW.title))), NEW.id), (UNHEX(SHA1(NEW.title)), NEW.id), (UNHEX(SHA2(NEW.title, 256)), NEW.id), (UNHEX(MD5(CONCAT(NEW.title, NEW.requestid))), NEW.id), (UNHEX(MD5(CONCAT(NEW.title, NEW.requestid, NEW.requestid))), NEW.id);END;

CREATE TRIGGER update_hashes AFTER UPDATE ON predb FOR EACH ROW BEGIN IF NEW.title != OLD.title THEN DELETE FROM predb_hashes WHERE hash IN ( UNHEX(md5(OLD.title)), UNHEX(md5(md5(OLD.title))), UNHEX(sha1(OLD.title)), UNHEX(sha2(OLD.title, 256)), UNHEX(MD5(CONCAT(OLD.title, OLD.requestid)))) AND predb_id = OLD.id; INSERT INTO predb_hashes (hash, predb_id) VALUES (UNHEX(MD5(NEW.title)), NEW.id), (UNHEX(MD5(MD5(NEW.title))), NEW.id), (UNHEX(SHA1(NEW.title)), NEW.id), (UNHEX(SHA2(NEW.title, 256)), NEW.id), (UNHEX(MD5(CONCAT((NEW.title, NEW.requestid)))), NEW.id), (UNHEX(MD5(CONCAT(NEW.title, NEW.requestid, NEW.requestid))), NEW.id);END IF;END;

CREATE TRIGGER delete_hashes AFTER DELETE ON predb FOR EACH ROW BEGIN DELETE FROM predb_hashes WHERE hash IN ( UNHEX(md5(OLD.title)), UNHEX(md5(md5(OLD.title))), UNHEX(sha1(OLD.title)), UNHEX(sha2(OLD.title, 256)), UNHEX(MD5(CONCAT(OLD.title, OLD.requestid))), UNHEX(MD5(CONCAT(OLD.title, OLD.requestid, OLD.requestid)))) AND predb_id = OLD.id;END;

CREATE TRIGGER insert_MD5 BEFORE INSERT ON release_comments FOR EACH ROW
  SET
    NEW.text_hash = MD5(NEW.text);");
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        DB::unprepared('
        DROP TRIGGER check_insert;
        DROP TRIGGER check_update;
        DROP TRIGGER check_rfinsert;
        DROP TRIGGER check_rfupdate;
        DROP TRIGGER insert_search;
        DROP TRIGGER update search;
        DROP TRIGGER delete_search;
        DROP TRIGGER insert_hashes;
        DROP TRIGGER update_hashes;
        DROP TRIGGER delete_hashes;
        DROP TRIGGER insert_MD5;');
    }
}