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#!/usr/bin/perl -w

# update-areas:
# One-off script to populate the areas column of the problem table
#
# Copyright (c) 2007 UK Citizens Online Democracy. All rights reserved.
# Email: matthew@mysociety.org. WWW: http://www.mysociety.org
#
# $Id: update-areas,v 1.1 2007-08-24 12:27:30 matthew Exp $

use strict;
require 5.8.0;

# Horrible boilerplate to set up appropriate library paths.
use FindBin;
use lib "$FindBin::Bin/../perllib";
use lib "$FindBin::Bin/../commonlib/perllib";

use mySociety::Config;
use mySociety::DBHandle qw(dbh select_all);
use mySociety::MaPit;
use mySociety::VotingArea;

BEGIN {
    mySociety::Config::set_file("$FindBin::Bin/../conf/general");
    mySociety::DBHandle::configure(
        Name => mySociety::Config::get('FMS_DB_NAME'),
        User => mySociety::Config::get('FMS_DB_USER'),
        Password => mySociety::Config::get('FMS_DB_PASS'),
        Host => mySociety::Config::get('FMS_DB_HOST', undef),
        Port => mySociety::Config::get('FMS_DB_PORT', undef)
    );
}

print "Fetching problems...\n";
my $ids = select_all("select id, latitude, longitude from problem where areas=''");
print "Updating areas...\n";
my $c = 0;
foreach (@$ids) {
    my $areas = mySociety::MaPit::get_voting_areas_by_location({latitude=>$_->{latitude}, longitude=>$_->{longitude}}, 'polygon');
    $areas = ',' . join(',', sort keys %$areas) . ',';
    dbh()->do('update problem set areas=? where id=?', {}, $areas, $_->{id});
    dbh()->commit();
    print "Done: " . (++$c) . "/" . @$ids . "\n";
}