#!/usr/bin/perl


# Database Updater
# This script checks for required updates to the database.

# Part of the Koha Library Software www.koha.org
# Licensed under the GPL.

# Bugs/ToDo:
# - Would also be a good idea to offer to do a backup at this time...

# NOTE:  If you do something more than once in here, make it table driven.
use strict;

# CPAN modules
use DBI;
use Getopt::Long;
# Koha modules
use C4::Context;

use MARC::Record;
use MARC::File::XML ( BinaryEncoding => 'utf8' );
 
# FIXME - The user might be installing a new database, so can't rely
# on /etc/koha.conf anyway.

my $debug = 0;

my (
    $sth, $sti,
    $query,
    %existingtables,    # tables already in database
    %types,
    $table,
    $column,
    $type, $null, $key, $default, $extra,
    $prefitem,          # preference item in systempreferences table
);

my $silent;
GetOptions(
    's' =>\$silent
    );
my $dbh = C4::Context->dbh;
$|=1; # flushes output

=item
    Deal with virtualshelves
=cut

my $DBversion = "3.00.00.001";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
    # update virtualshelves table to
    # 
    $dbh->do("ALTER TABLE `bookshelf` RENAME `virtualshelves`");
    $dbh->do("ALTER TABLE `shelfcontents` RENAME `virtualshelfcontents`");
    $dbh->do("ALTER TABLE `virtualshelfcontents` ADD `biblionumber` INT( 11 ) NOT NULL");
    $dbh->do("UPDATE `virtualshelfcontents` SET biblionumber=(SELECT biblionumber FROM items WHERE items.itemnumber=virtualshelfcontents.itemnumber)");
    # drop all foreign keys : otherwise, we can't drop itemnumber field.
    DropAllForeignKeys('virtualshelfcontents');
    # create the new foreign keys (on biblionumber)
    $dbh->do("ALTER TABLE `virtualshelfcontents` ADD FOREIGN KEY biblionumber_fk (biblionumber) REFERENCES biblio (biblionumber) ON UPDATE CASCADE ON DELETE CASCADE");
    # re-create the foreign key on virtualshelf
    $dbh->do("ALTER TABLE `virtualshelfcontents` ADD FOREIGN KEY shelfnumber_fk (shelfnumber) REFERENCES virtualshelves (shelfnumber) ON UPDATE CASCADE ON DELETE CASCADE");
    # now we can drop the itemnumber column
    $dbh->do("ALTER TABLE `virtualshelfcontents` DROP `itemnumber`");
    print "Upgrade to $DBversion done (virtualshelves)\n";
    SetVersion ($DBversion);
}


$DBversion = "3.00.00.002";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
    $dbh->do("DROP TABLE sessions");
    $dbh->do("CREATE TABLE `sessions` (
  `id` char(32) NOT NULL,
  `a_session` text NOT NULL,
  UNIQUE KEY `id` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;");
    print "Upgrade to $DBversion done (sessions uses CGI::session, new table structure for sessions)\n";
    SetVersion ($DBversion);
}


$DBversion = "3.00.00.003";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
    if (C4::Context->preference("opaclanguage") eq "fr") {
        $dbh->do("INSERT INTO `systempreferences` (variable,value,explanation,options,type) VALUES('ReservesNeedReturns','0','Si ce paramètre est mis à 1, une réservation posée sur un exemplaire présent sur le site devra être passée en retour pour être disponible. Sinon, elle sera automatiquement disponible, Koha considère que le bibliothécaire place la réservation en ayant le document en mains','','YesNo')");
    } else {
        $dbh->do("INSERT INTO `systempreferences` (variable,value,explanation,options,type) VALUES('ReservesNeedReturns','0','If set, a reserve done on an item available in this branch need a check-in, otherwise, a reserve on a specific item, that is on the branch & available is considered as available','','YesNo')");
    }
    print "Upgrade to $DBversion done (adding ReservesNeedReturns systempref, in circulation)\n";
    SetVersion ($DBversion);
}


$DBversion = "3.00.00.004";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
	$dbh->do("INSERT INTO `systempreferences` VALUES ('DebugLevel','2','set the level of error info sent to the browser. 0=none, 1=some, 2=most','0|1|2','Choice')");    
    print "Upgrade to $DBversion done (adding DebugLevel systempref, in 'Admin' tab)\n";
    SetVersion ($DBversion);
}

$DBversion = "3.00.00.005";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
	$dbh->do("CREATE TABLE `tags` (
                    `entry` varchar(255) NOT NULL default '',
                    `weight` bigint(20) NOT NULL default 0,
                    PRIMARY KEY  (`entry`)
                    ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
                ");
        $dbh->do("CREATE TABLE `nozebra` (
                `server` varchar(20)     NOT NULL,
                `indexname` varchar(40)  NOT NULL,
                `value` varchar(250)     NOT NULL,
                `biblionumbers` longtext NOT NULL,
                KEY `indexname` (`server`,`indexname`),
                KEY `value` (`server`,`value`))
                ENGINE=InnoDB DEFAULT CHARSET=utf8;
                ");
    print "Upgrade to $DBversion done (adding tags and nozebra tables )\n";
    SetVersion ($DBversion);
}

$DBversion = "3.00.00.006";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
	$dbh->do("UPDATE issues SET issuedate=timestamp WHERE issuedate='0000-00-00'");
    print "Upgrade to $DBversion done (filled issues.issuedate with timestamp)\n";
    SetVersion ($DBversion);
}

$DBversion = "3.00.00.007";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
	$dbh->do("INSERT INTO systempreferences (variable,value,explanation,options,type) VALUES ('SessionStorage','mysql','Use mysql or a temporary file for storing session data','mysql|tmp','Choice')");
    print "Upgrade to $DBversion done (set SessionStorage variable)\n";
    SetVersion ($DBversion);
}

$DBversion = "3.00.00.008";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
	$dbh->do("ALTER TABLE `biblio` ADD `datecreated` DATE NOT NULL AFTER `timestamp` ;");
	$dbh->do("UPDATE biblio SET datecreated=timestamp");
    print "Upgrade to $DBversion done (biblio creation date)\n";
    SetVersion ($DBversion);
}

$DBversion = "3.00.00.009";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {

    # Create backups of call number columns
    # in case default migration needs to be customized
    #
    # UPGRADE NOTE: temp_upg_biblioitems_call_num should be dropped 
    #               after call numbers have been transformed to the new structure
    #
    # Not bothering to do the same with deletedbiblioitems -- assume
    # default is good enough.
    $dbh->do("CREATE TABLE `temp_upg_biblioitems_call_num` AS 
              SELECT `biblioitemnumber`, `biblionumber`,
                     `classification`, `dewey`, `subclass`,
                     `lcsort`, `ccode`
              FROM `biblioitems`");

    # biblioitems changes
    $dbh->do("ALTER TABLE `biblioitems` CHANGE COLUMN `volumeddesc` `volumedesc` TEXT,
                                    ADD `cn_source` VARCHAR(10) DEFAULT NULL AFTER `ccode`,
                                    ADD `cn_class` VARCHAR(30) DEFAULT NULL AFTER `cn_source`,
                                    ADD `cn_item` VARCHAR(10) DEFAULT NULL AFTER `cn_class`,
                                    ADD `cn_suffix` VARCHAR(10) DEFAULT NULL AFTER `cn_item`,
                                    ADD `cn_sort` VARCHAR(30) DEFAULT NULL AFTER `cn_suffix`,
                                    ADD `totalissues` INT(10) AFTER `cn_sort`");

    # default mapping of call number columns:
    #   cn_class = concatentation of classification + dewey, 
    #              trimmed to fit -- assumes that most users do not
    #              populate both classification and dewey in a single record
    #   cn_item  = subclass
    #   cn_source = left null 
    #   cn_sort = lcsort 
    #
    # After upgrade, cn_sort will have to be set based on whatever
    # default call number scheme user sets as a preference.  Misc
    # script will be added at some point to do that.
    #
    $dbh->do("UPDATE `biblioitems` 
              SET cn_class = SUBSTR(TRIM(CONCAT_WS(' ', `classification`, `dewey`)), 1, 30),
                    cn_item = subclass,
                    `cn_sort` = `lcsort`
            ");

    # Now drop the old call number columns
    $dbh->do("ALTER TABLE `biblioitems` DROP COLUMN `classification`,
                                        DROP COLUMN `dewey`,
                                        DROP COLUMN `subclass`,
                                        DROP COLUMN `lcsort`,
                                        DROP COLUMN `ccode`");

    # deletedbiblio changes
    $dbh->do("ALTER TABLE `deletedbiblio` ALTER COLUMN `frameworkcode` SET DEFAULT '',
                                        DROP COLUMN `marc`,
                                        ADD `datecreated` DATE NOT NULL AFTER `timestamp`");
    $dbh->do("UPDATE deletedbiblio SET datecreated = timestamp");

    # deletedbiblioitems changes
    $dbh->do("ALTER TABLE `deletedbiblioitems` 
                        MODIFY `publicationyear` TEXT,
                        CHANGE `volumeddesc` `volumedesc` TEXT,
                        MODIFY `collectiontitle` MEDIUMTEXT DEFAULT NULL AFTER `volumedesc`,
                        MODIFY `collectionissn` TEXT DEFAULT NULL AFTER `collectiontitle`,
                        MODIFY `collectionvolume` MEDIUMTEXT DEFAULT NULL AFTER `collectionissn`,
                        MODIFY `editionstatement` TEXT DEFAULT NULL AFTER `collectionvolume`,
                        MODIFY `editionresponsibility` TEXT DEFAULT NULL AFTER `editionstatement`,
                        MODIFY `place` VARCHAR(255) DEFAULT NULL AFTER `size`,
                        MODIFY `marc` BLOB,
                        ADD `cn_source` VARCHAR(10) DEFAULT NULL AFTER `url`,
                        ADD `cn_class` VARCHAR(30) DEFAULT NULL AFTER `cn_source`,
                        ADD `cn_item` VARCHAR(10) DEFAULT NULL AFTER `cn_class`,
                        ADD `cn_suffix` VARCHAR(10) DEFAULT NULL AFTER `cn_item`,
                        ADD `cn_sort` VARCHAR(30) DEFAULT NULL AFTER `cn_suffix`,
                        ADD `totalissues` INT(10) AFTER `cn_sort`,
                        ADD KEY `isbn` (`isbn`),
                        ADD KEY `publishercode` (`publishercode`)
                    ");

    $dbh->do("UPDATE `deletedbiblioitems` 
                SET `cn_class` = SUBSTR(TRIM(CONCAT_WS(' ', `classification`, `dewey`)), 1, 30),
               `cn_item` = `subclass`,
                `cn_sort` = `lcsort`
            ");
    $dbh->do("ALTER TABLE `deletedbiblioitems` 
                        DROP COLUMN `classification`,
                        DROP COLUMN `dewey`,
                        DROP COLUMN `subclass`,
                        DROP COLUMN `lcsort`,
                        DROP COLUMN `ccode`
            ");

    # deleteditems changes
    $dbh->do("ALTER TABLE `deleteditems` 
                        MODIFY `barcode` VARCHAR(20) DEFAULT NULL,
                        MODIFY `price` DECIMAL(8,2) DEFAULT NULL,
                        MODIFY `replacementprice` DECIMAL(8,2) DEFAULT NULL,
                        DROP `bulk`,
                        MODIFY `itemcallnumber` VARCHAR(30) DEFAULT NULL AFTER `wthdrawn`,
                        MODIFY `holdingbranch` VARCHAR(10) DEFAULT NULL,
                        DROP `interim`,
                        MODIFY `timestamp` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP AFTER `paidfor`,
                        DROP `cutterextra`,
                        ADD `cn_source` VARCHAR(10) DEFAULT NULL AFTER `onloan`,
                        ADD `cn_sort` VARCHAR(30) DEFAULT NULL AFTER `cn_source`,
                        ADD `ccode` VARCHAR(10) DEFAULT NULL AFTER `cn_sort`,
                        ADD `materials` VARCHAR(10) DEFAULT NULL AFTER `ccode`,
                        ADD `uri` VARCHAR(255) DEFAULT NULL AFTER `materials`,
                        MODIFY `marc` LONGBLOB AFTER `uri`,
                        DROP KEY `barcode`,
                        DROP KEY `itembarcodeidx`,
                        DROP KEY `itembinoidx`,
                        DROP KEY `itembibnoidx`,
                        ADD UNIQUE KEY `delitembarcodeidx` (`barcode`),
                        ADD KEY `delitembinoidx` (`biblioitemnumber`),
                        ADD KEY `delitembibnoidx` (`biblionumber`),
                        ADD KEY `delhomebranch` (`homebranch`),
                        ADD KEY `delholdingbranch` (`holdingbranch`)");
    $dbh->do("UPDATE deleteditems SET `ccode` = `itype`");
    $dbh->do("ALTER TABLE deleteditems DROP `itype`");
    $dbh->do("UPDATE `deleteditems` SET `cn_sort` = `itemcallnumber`");

    # items changes
    $dbh->do("ALTER TABLE `items` ADD `cn_source` VARCHAR(10) DEFAULT NULL AFTER `onloan`,
                                ADD `cn_sort` VARCHAR(30) DEFAULT NULL AFTER `cn_source`,
                                ADD `ccode` VARCHAR(10) DEFAULT NULL AFTER `cn_sort`,
                                ADD `materials` VARCHAR(10) DEFAULT NULL AFTER `ccode`,
                                ADD `uri` VARCHAR(255) DEFAULT NULL AFTER `materials`
            ");
    $dbh->do("ALTER TABLE `items` 
                        DROP KEY `itembarcodeidx`,
                        ADD UNIQUE KEY `itembarcodeidx` (`barcode`)");

    # map items.itype to items.ccode and 
    # set cn_sort to itemcallnumber -- as with biblioitems.cn_sort,
    # will have to be subsequently updated per user's default 
    # classification scheme
    $dbh->do("UPDATE `items` SET `cn_sort` = `itemcallnumber`,
                            `ccode` = `itype`");

    $dbh->do("ALTER TABLE `items` DROP `cutterextra`,
                                DROP `itype`");

    print "Upgrade to $DBversion done (major changes to biblio, biblioitems, items, and deleted* versions of same\n";
    SetVersion ($DBversion);
}

$DBversion = "3.00.00.010";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
	$dbh->do("CREATE INDEX `userid` ON borrowers (`userid`) ");
    print "Upgrade to $DBversion done (userid index added)\n";
    SetVersion ($DBversion);
}

$DBversion = "3.00.00.011";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
	$dbh->do("ALTER TABLE `branchcategories` CHANGE `categorycode` `categorycode` char(10) ");
	$dbh->do("ALTER TABLE `branchcategories` CHANGE `categoryname` `categoryname` varchar(32) ");
	$dbh->do("ALTER TABLE `branchcategories` ADD COLUMN `categorytype` varchar(16) ");
	$dbh->do("UPDATE `branchcategories` SET `categorytype` = 'properties'");
	$dbh->do("ALTER TABLE `branchrelations` CHANGE `categorycode` `categorycode` char(10) ");
    print "Upgrade to $DBversion done (added branchcategory type)\n";
    SetVersion ($DBversion);
}

$DBversion = "3.00.00.012";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
    $dbh->do("CREATE TABLE `class_sort_rules` (
                               `class_sort_rule` varchar(10) NOT NULL default '',
                               `description` mediumtext,
                               `sort_routine` varchar(30) NOT NULL default '',
                               PRIMARY KEY (`class_sort_rule`),
                               UNIQUE KEY `class_sort_rule_idx` (`class_sort_rule`)
                             ) ENGINE=InnoDB DEFAULT CHARSET=utf8");
    $dbh->do("CREATE TABLE `class_sources` (
                               `cn_source` varchar(10) NOT NULL default '',
                               `description` mediumtext,
                               `used` tinyint(4) NOT NULL default 0,
                               `class_sort_rule` varchar(10) NOT NULL default '',
                               PRIMARY KEY (`cn_source`),
                               UNIQUE KEY `cn_source_idx` (`cn_source`),
                               KEY `used_idx` (`used`),
                               CONSTRAINT `class_source_ibfk_1` FOREIGN KEY (`class_sort_rule`) 
                                          REFERENCES `class_sort_rules` (`class_sort_rule`)
                             ) ENGINE=InnoDB DEFAULT CHARSET=utf8");
    $dbh->do("INSERT INTO `systempreferences` (variable,value,explanation,options,type) 
              VALUES('DefaultClassificationSource','ddc',
                     'Default classification scheme used by the collection. E.g., Dewey, LCC, etc.', NULL,'free')");
    $dbh->do("INSERT INTO `class_sort_rules` (`class_sort_rule`, `description`, `sort_routine`) VALUES
                               ('dewey', 'Default filing rules for DDC', 'Dewey'),
                               ('lcc', 'Default filing rules for LCC', 'LCC'),
                               ('generic', 'Generic call number filing rules', 'Generic')");
    $dbh->do("INSERT INTO `class_sources` (`cn_source`, `description`, `used`, `class_sort_rule`) VALUES
                            ('ddc', 'Dewey Decimal Classification', 1, 'dewey'),
                            ('lcc', 'Library of Congress Classification', 1, 'lcc'),
                            ('udc', 'Universal Decimal Classification', 0, 'generic'),
                            ('sudocs', 'SuDoc Classification (U.S. GPO)', 0, 'generic'),
                            ('z', 'Other/Generic Classification Scheme', 0, 'generic')");
    print "Upgrade to $DBversion done (classification sources added)\n";
    SetVersion ($DBversion);
}

$DBversion = "3.00.00.013";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
    $dbh->do("CREATE TABLE `import_batches` (
              `import_batch_id` int(11) NOT NULL auto_increment,
              `template_id` int(11) default NULL,
              `branchcode` varchar(10) default NULL,
              `num_biblios` int(11) NOT NULL default 0,
              `num_items` int(11) NOT NULL default 0,
              `upload_timestamp` timestamp NOT NULL default CURRENT_TIMESTAMP,
              `overlay_action` enum('replace', 'create_new', 'use_template') NOT NULL default 'create_new',
              `import_status` enum('staging', 'staged', 'importing', 'imported', 'reverting', 'reverted', 'cleaned') NOT NULL default 'staging',
              `batch_type` enum('batch', 'z3950') NOT NULL default 'batch',
              `file_name` varchar(100),
              `comments` mediumtext,
              PRIMARY KEY (`import_batch_id`),
              KEY `branchcode` (`branchcode`)
              ) ENGINE=InnoDB DEFAULT CHARSET=utf8");
    $dbh->do("CREATE TABLE `import_records` (
              `import_record_id` int(11) NOT NULL auto_increment,
              `import_batch_id` int(11) NOT NULL,
              `branchcode` varchar(10) default NULL,
              `record_sequence` int(11) NOT NULL default 0,
              `upload_timestamp` timestamp NOT NULL default CURRENT_TIMESTAMP,
              `import_date` DATE default NULL,
              `marc` longblob NOT NULL,
              `marcxml` longtext NOT NULL,
              `marcxml_old` longtext NOT NULL,
              `record_type` enum('biblio', 'auth', 'holdings') NOT NULL default 'biblio',
              `overlay_status` enum('no_match', 'auto_match', 'manual_match', 'match_applied') NOT NULL default 'no_match',
              `status` enum('error', 'staged', 'imported', 'reverted', 'items_reverted') NOT NULL default 'staged',
              `import_error` mediumtext,
              `encoding` varchar(40) NOT NULL default '',
              `z3950random` varchar(40) default NULL,
              PRIMARY KEY (`import_record_id`),
              CONSTRAINT `import_records_ifbk_1` FOREIGN KEY (`import_batch_id`)
                          REFERENCES `import_batches` (`import_batch_id`) ON DELETE CASCADE ON UPDATE CASCADE,
              KEY `branchcode` (`branchcode`),
              KEY `batch_sequence` (`import_batch_id`, `record_sequence`)
              ) ENGINE=InnoDB DEFAULT CHARSET=utf8");
    $dbh->do("CREATE TABLE `import_record_matches` (
              `import_record_id` int(11) NOT NULL,
              `candidate_match_id` int(11) NOT NULL,
              `score` int(11) NOT NULL default 0,
              CONSTRAINT `import_record_matches_ibfk_1` FOREIGN KEY (`import_record_id`) 
                          REFERENCES `import_records` (`import_record_id`) ON DELETE CASCADE ON UPDATE CASCADE,
              KEY `record_score` (`import_record_id`, `score`)
              ) ENGINE=InnoDB DEFAULT CHARSET=utf8");
    $dbh->do("CREATE TABLE `import_biblios` (
              `import_record_id` int(11) NOT NULL,
              `matched_biblionumber` int(11) default NULL,
              `control_number` varchar(25) default NULL,
              `original_source` varchar(25) default NULL,
              `title` varchar(128) default NULL,
              `author` varchar(80) default NULL,
              `isbn` varchar(14) default NULL,
              `issn` varchar(9) default NULL,
              `has_items` tinyint(1) NOT NULL default 0,
              CONSTRAINT `import_biblios_ibfk_1` FOREIGN KEY (`import_record_id`) 
                          REFERENCES `import_records` (`import_record_id`) ON DELETE CASCADE ON UPDATE CASCADE,
              KEY `matched_biblionumber` (`matched_biblionumber`),
              KEY `title` (`title`),
              KEY `isbn` (`isbn`)
              ) ENGINE=InnoDB DEFAULT CHARSET=utf8");
    $dbh->do("CREATE TABLE `import_items` (
              `import_items_id` int(11) NOT NULL auto_increment,
              `import_record_id` int(11) NOT NULL,
              `itemnumber` int(11) default NULL,
              `branchcode` varchar(10) default NULL,
              `status` enum('error', 'staged', 'imported', 'reverted') NOT NULL default 'staged',
              `marcxml` longtext NOT NULL,
              `import_error` mediumtext,
              PRIMARY KEY (`import_items_id`),
              CONSTRAINT `import_items_ibfk_1` FOREIGN KEY (`import_record_id`) 
                          REFERENCES `import_records` (`import_record_id`) ON DELETE CASCADE ON UPDATE CASCADE,
              KEY `itemnumber` (`itemnumber`),
              KEY `branchcode` (`branchcode`)
              ) ENGINE=InnoDB DEFAULT CHARSET=utf8");

    $dbh->do("INSERT INTO `import_batches`
                (`overlay_action`, `import_status`, `batch_type`, `file_name`)
              SELECT distinct 'create_new', 'staged', 'z3950', `file`
              FROM   `marc_breeding`");

    $dbh->do("INSERT INTO `import_records`
                (`import_batch_id`, `import_record_id`, `record_sequence`, `marc`, `record_type`, `status`,
                `encoding`, `z3950random`, `marcxml`, `marcxml_old`)
              SELECT `import_batch_id`, `id`, 1, `marc`, 'biblio', 'staged', `encoding`, `z3950random`, '', ''
              FROM `marc_breeding`
              JOIN `import_batches` ON (`file_name` = `file`)");

    $dbh->do("INSERT INTO `import_biblios`
                (`import_record_id`, `title`, `author`, `isbn`)
              SELECT `import_record_id`, `title`, `author`, `isbn`
              FROM   `marc_breeding`
              JOIN   `import_records` ON (`import_record_id` = `id`)");

    $dbh->do("UPDATE `import_batches` 
              SET `num_biblios` = (
              SELECT COUNT(*)
              FROM `import_records`
              WHERE `import_batch_id` = `import_batches`.`import_batch_id`
              )");

    $dbh->do("DROP TABLE `marc_breeding`");

    print "Upgrade to $DBversion done (import_batches et al. added)\n";
    SetVersion ($DBversion);
}

$DBversion = "3.00.00.014";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
	$dbh->do("ALTER TABLE subscription ADD lastbranch VARCHAR(4)");
    print "Upgrade to $DBversion done (userid index added)\n";
	SetVersion ($DBversion);
}

$DBversion = "3.00.00.015";	
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
	$dbh->do("CREATE TABLE `saved_sql` (
		   `id` int(11) NOT NULL auto_increment,
		   `borrowernumber` int(11) default NULL,
		   `date_created` datetime default NULL,
		   `last_modified` datetime default NULL,
		   `savedsql` text,
		   `last_run` datetime default NULL,
		   `report_name` varchar(255) default NULL,
		   `type` varchar(255) default NULL,
		   `notes` text,
		   PRIMARY KEY  (`id`),
		   KEY boridx (`borrowernumber`)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8;");
    $dbh->do("CREATE TABLE `saved_reports` (
		   `id` int(11) NOT NULL auto_increment,
		   `report_id` int(11) default NULL,
		   `report` longtext,
		   `date_run` datetime default NULL,
		   PRIMARY KEY  (`id`)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8;");
    print "Upgrade to $DBversion done (saved_sql and saved_reports added)\n";
    SetVersion ($DBversion);
}

$DBversion = "3.00.00.016";	
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
	$dbh->do(" CREATE TABLE reports_dictionary (
		  id int(11) NOT NULL auto_increment,
		  name varchar(255) default NULL,
		  description text,
		  date_created datetime default NULL,
		  date_modified datetime default NULL,
		  saved_sql text,
		  area int(11) default NULL,
		  PRIMARY KEY  (id)
		) ENGINE=InnoDB DEFAULT CHARSET=utf8 ");
    print "Upgrade to $DBversion done (reports_dictionary) added)\n";
    SetVersion ($DBversion);
}	

$DBversion = "3.00.00.017";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
    $dbh->do("ALTER TABLE action_logs DROP PRIMARY KEY");
	$dbh->do("ALTER TABLE action_logs ADD KEY  timestamp (timestamp,user)");
	$dbh->do("ALTER TABLE action_logs ADD action_id INT(11) NOT NULL FIRST");
	$dbh->do("UPDATE action_logs SET action_id = if (\@a, \@a:=\@a+1, \@a:=1)");
    $dbh->do("ALTER TABLE action_logs MODIFY action_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY");
  	print "Upgrade to $DBversion done (added column to action_logs)\n";
	SetVersion ($DBversion);
}

$DBversion = "3.00.00.018";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
	$dbh->do("ALTER TABLE `zebraqueue` 
                    ADD `done` INT NOT NULL DEFAULT '0',
                    ADD `time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ; 
            ");
    print "Upgrade to $DBversion done (adding timestamp and done columns to zebraque table to improve problem tracking) added)\n";
    SetVersion ($DBversion);
}	

$DBversion = "3.00.00.019";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
    $dbh->do("ALTER TABLE biblio MODIFY biblionumber INT(11) NOT NULL AUTO_INCREMENT");
    $dbh->do("ALTER TABLE biblioitems MODIFY biblioitemnumber INT(11) NOT NULL AUTO_INCREMENT");
    $dbh->do("ALTER TABLE items MODIFY itemnumber INT(11) NOT NULL AUTO_INCREMENT");
    print "Upgrade to $DBversion done (made bib/item PKs auto_increment)\n";
    SetVersion ($DBversion);
}

$DBversion = "3.00.00.020";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
    $dbh->do("ALTER TABLE deleteditems 
              DROP KEY `delitembarcodeidx`,
              ADD KEY `delitembarcodeidx` (`barcode`)");
    print "Upgrade to $DBversion done (dropped uniqueness of key on deleteditems.barcode)\n";
    SetVersion ($DBversion);
}

$DBversion = "3.00.00.021";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
	$dbh->do("ALTER TABLE items CHANGE homebranch homebranch VARCHAR(10)");
	$dbh->do("ALTER TABLE deleteditems CHANGE homebranch homebranch VARCHAR(10)");
	$dbh->do("ALTER TABLE statistics CHANGE branch branch VARCHAR(10)");
	$dbh->do("ALTER TABLE subscription CHANGE lastbranch lastbranch VARCHAR(10)");
    print "Upgrade to $DBversion done (extended missed branchcode columns to 10 chars)\n";
	SetVersion ($DBversion);
}	

$DBversion = "3.00.00.022";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
    $dbh->do("ALTER TABLE items 
                ADD `damaged` tinyint(1) default NULL");
    print "Upgrade to $DBversion done (adding damaged column to items table)\n";
    SetVersion ($DBversion);
}

$DBversion = "3.00.00.023";
if (C4::Context->preference("Version") < TransformToNum($DBversion)) {
	 $dbh->do("INSERT INTO `systempreferences` VALUES ('yuipath','http://yui.yahooapis.com/2.3.1/build','Insert the path to YUI libraries','','free')");
    print "Upgrade to $DBversion done (adding new system preference for controlling YUI path)\n";
    SetVersion ($DBversion);
}

=item DropAllForeignKeys($table)

  Drop all foreign keys of the table $table
  
=cut

sub DropAllForeignKeys {
    my ($table) = @_;
    # get the table description
    my $sth = $dbh->prepare("SHOW CREATE TABLE $table");
    $sth->execute;
    my $vsc_structure = $sth->fetchrow;
    # split on CONSTRAINT keyword
    my @fks = split /CONSTRAINT /,$vsc_structure;
    # parse each entry
    foreach (@fks) {
        # isolate what is before FOREIGN KEY, if there is something, it's a foreign key to drop
        $_ = /(.*) FOREIGN KEY.*/;
        my $id = $1;
        if ($id) {
            # we have found 1 foreign, drop it
            $dbh->do("ALTER TABLE $table DROP FOREIGN KEY $id");
            $id="";
        }
    }
}







=item TransformToNum

  Transform the Koha version from a 4 parts string
  to a number, with just 1 .
  
=cut

sub TransformToNum {
    my $version = shift;
    # remove the 3 last . to have a Perl number
    $version =~ s/(.*\..*)\.(.*)\.(.*)/$1$2$3/;
    return $version;
}

=item SetVersion
    set the DBversion in the systempreferences
=cut

sub SetVersion {
    my $kohaversion = TransformToNum(shift);
    if (C4::Context->preference('Version')) {
      my $finish=$dbh->prepare("UPDATE systempreferences SET value=? WHERE variable='Version'");
      $finish->execute($kohaversion);
    } else {
      my $finish=$dbh->prepare("INSERT into systempreferences (variable,value,explanation) values ('Version',?,'The Koha database version. Don t change this value manually, it s holded by the webinstaller')");
      $finish->execute($kohaversion);
    }
}
exit;

# Revision 1.172  2007/07/19 10:21:22  hdl