#!/usr/bin/perl
# $Id: fetch.pm,v 1.5 2011/07/22 07:43:56 yason Exp $
package fetch;
use db;
use log;  # bad! only for log::filelist()
use warnings;
#my $EXPAND_SYMLINKS = 1;
my $QUERY_Z = "SELECT ID,Path,file_priority FROM upload_files WHERE Status=0 AND type_file=0";
my $QUERY_P = "SELECT ID,Path,file_priority FROM upload_files WHERE Status=0 AND type_file=1";

my $sth;

my @stack_ids;	# stack for ID's
my @stack_paths;# stack for Path's
my $tos = 0;	# top of stack


sub stack_push($$)
{
    $stack_ids[$tos] = shift;
    $stack_paths[$tos] = shift;
    $tos++;
}


sub zayavki_list()
{
    my @dbids;
    my @dbpaths;
    my @dbpri;
    my $i = 0;
    
    $sth = $db::dbh->prepare($QUERY_Z);
    $sth->execute( );
    while( ($dbids[$i], $dbpaths[$i], $dbpri[$i]) = $sth->fetchrow_array( ) )
    {
	if($dbids[$i])	# element exists (THIS CODE SHOULD BE FIXED)
	{
	    #convert samba-paths to local unix paths
	    $dbpaths[$i] = substr($dbpaths[$i], 13);	# remove \\fileserver\
	    $dbpaths[$i] =~ tr/\\/\//;			# convert each \ to /
	    $dbpaths[$i] = '/mnt/maket/' . $dbpaths[$i];
	    $dbpaths[$i] = substr($dbpaths[$i], 0, ( index($dbpaths[$i], ' ', 0) ) );
		#
		# We must not save non-existent local file in array!
		# Returning of array with bad element is deprecated,
		# So this code too weak to work correctly.
		#
#		if($EXPAND_SYMLINKS && -e $dbpaths[$i])
#		{
#		    chomp( $_ = `dirname $dbpaths[$i] | xargs /usr/bin/readlink` );
#		    chomp( $dbpaths[$i] = $_ . '/' . `basename $dbpaths[$i]` );
#		    
#		    # increment $i ONLY if local file exists, otherwise replace element in next iteration
#		    $i++;
#		}
		# if localfile does not exists, write result of next iteration on its place
	}
	else
	{
	    next;
	}
    }
    
    # strip last row in arrays by decrementing $i counter
    # SHOULD BE FIXED!
    $i--;
    $#dbids = $i;
    $#dbpaths = $i;
    
    # reformat listing using file_priority database field
    for($i = 0;$i < scalar(@dbids); $i++)
    {
	stack_push($dbids[$i], $dbpaths[$i]) if($dbpri[$i] == 0);
    }
	for($i = 0;$i < scalar(@dbids); $i++)
	{
	    stack_push($dbids[$i], $dbpaths[$i]) if($dbpri[$i] == 1);
	}
	    for($i = 0;$i < scalar(@dbids); $i++)
	    {
		stack_push($dbids[$i], $dbpaths[$i]) if($dbpri[$i] == 2);
	    }
    @dbids = @stack_ids;
    @dbpaths = @stack_paths;

    # make current files list via log::filelist()
    log::filelist(\@dbpaths);
    
    # we return the list of references to @dbids and @dbpaths
    return( (\@dbids, \@dbpaths) );
}


sub probas_list()
{
    my @dbids;
    my @dbpaths;
    my $i = 0;
    
    $sth = $db::dbh->prepare($QUERY_P);
    $sth->execute( );
    while(($dbids[$i], $dbpaths[$i]) = $sth->fetchrow_array( ) )
    {
	$dbpaths[$i] = substr($dbpaths[$i], 13);
	$dbpaths[$i] =~ tr/\\/\//;
	$dbpaths[$i] = '/mnt/maket/' . $dbpaths[$i];
	$dbpaths[$i] = substr($dbpaths[$i], 0, ( index($dbpaths[$i], ' ', 0) ) );
#	    if($EXPAND_SYMLINKS && -e $dbpaths[$i])
#	    {
#		chomp( $_ = `dirname $dbpaths[$i] | xargs /usr/bin/readlink` );
#		chomp( $dbpaths[$i] = $_ . '/' . `basename $dbpaths[$i]` );
#	    }
	$i++;
    }

    $i--;
    $#dbids = $i;
    $#dbpaths = $i;

    log::filelist(\@dbpaths);

    
    return( (\@dbids, \@dbpaths) );
}


return(1);