# Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

# All rights reserved.

# This component and the accompanying materials are made available

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Nokia Corporation - initial contribution.

#

# Contributors:

#

# Description:

# Script that return a list of Perforce Change lists that are associated to a build snapshot.

# 

#

package Changelists;

use DBI;

my $dbh; #connection handle

sub connectDB()

{

  my $dBase = "autobuild2";

  my $serverPort = "intweb:3306";

  my $user = "autobuild2";

  my $password = "autobuild2";

  $dbh->disconnect if ($dbh); #disconnect if already connected

  $dbh = DBI->connect("DBI:mysql:$dBase:$serverPort", $user, $password, {PrintError => 0, RaiseError => 0}); # should use a username which has read-only credentials only.

  if (!$dbh)

  {

    print "Cannot connect to the AutoBuild2 server:$DBI::errstr\n";

    exit;

  }

  else

  {

    print "Connected to AutoBuild\n";

  }

}

sub queryHandler #handle querying the database.

{

  my $query = shift;

  my $handle;

  $handle = $dbh->prepare($query);

  $handle->execute;

  if($handle->err())

  {

    Logit(2,"could not execute Query:".$handle->errstr());

    if ($handle->errstr() =~ m/(Lost connection|MySQL server has gone away)/i) #sometimes the connection to server is lost, 

    {

      Logit(0,"Lost connection, ".$handle->errstr());

      exit;

    }

  }

  return $handle;

}

my $snapshot = $ENV{SnapshotNumber};

my $buildShortName = $ENV{BuildShortName};

sub main {

	print "$snapshot \t $buildShortName\n";

	my $query = "select distinct(sub3.changelist), snap.name as Name, sub3.description as Description

	from codeline, Submission as sub, Submission as sub3

		left join Snapshot    as snap  on (snap.Submission_id  = sub.id )

		left join Build       as bld   on (bld.Snapshot_id     = snap.id)

		left join Spec        as spec  on (bld.Spec_id         = spec.id)

		left join Product     as prod  on (spec.Product_id     = prod.id)

		left join Build       as bld2  on (bld2.id             = bld.BCPrevious_id)

		left join Snapshot    as snap2 on (bld2.Snapshot_id    = snap2.id)

		left join Submission  as sub2  on (snap2.Submission_id = sub2.id)

	where snap.name = \"$snapshot\" and prod.build_short_name=\"$buildShortName\" and sub3.Codeline_id = (SELECT codeline_id FROM `spec` , codeline cl where Product_id=(select id from product where build_short_name = \"$buildShortName\") and pool_id = \"1\" and cl.name = \"MCLsfRO\" and spec.codeline_id= cl.id and end_date > CURDATE() ORDER by spec.id LIMIT 1) and sub3.changelist between sub2.changelist and sub.changelist order by sub3.changelist;";

	&connectDB();

	my $ClInfo = &queryHandler($query);

	my @AllCls = ();

	my %CLhash = ();

	while (my $Data = $ClInfo->fetchrow_hashref)

	{

		my @Cl = ();

		my $changelist = ${$Data}{'changelist'};

		my ($submitter) = ${$Data}{'Description'} =~ /<detail submitter=\s*\"(.*?)\"/;

		my ($team) = ${$Data}{'Description'} =~ /<detail team=\s*\"(.*?)\"/;

		my ($sub_time) = ${$Data}{'Description'} =~ /<detail submissionTime=\s*\"(.*?)\"/;

		${$Data}{'Description'} =~ s/\n/##/g;

		my ($desc) = ${$Data}{'Description'} =~ /<EXTERNAL>####(.*?)####<\/EXTERNAL>/i;

		$desc =~ s/##/\n/g;

		$CLhash{$changelist}{'submitter'} = $submitter;

		$CLhash{$changelist}{'team'} = $team;

		$CLhash{$changelist}{'sub_time'} = $sub_time;

		$CLhash{$changelist}{'desc'} = $desc;

		#~ print "#################${$Data}{'changelist'}#####################\n";

		#~ print "$submitter\t$team\t$sub_time\n$desc\n";

	}

	return (\%CLhash);

}

1;