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#!/usr/bin/perl -w
# rss.cgi:
# RSS for FixMyStreet
#
# Copyright (c) 2007 UK Citizens Online Democracy. All rights reserved.
# Email: matthew@mysociety.org. WWW: http://www.mysociety.org
#
# $Id: rss.cgi,v 1.15 2007-06-18 20:13:22 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/../../perllib";
use URI::Escape;
use Page;
use mySociety::Config;
use mySociety::DBHandle qw(dbh);
use mySociety::Alert;
use mySociety::Web;
use mySociety::GeoUtil;
use mySociety::Gaze;
BEGIN {
mySociety::Config::set_file("$FindBin::Bin/../conf/general");
mySociety::DBHandle::configure(
Name => mySociety::Config::get('BCI_DB_NAME'),
User => mySociety::Config::get('BCI_DB_USER'),
Password => mySociety::Config::get('BCI_DB_PASS'),
Host => mySociety::Config::get('BCI_DB_HOST', undef),
Port => mySociety::Config::get('BCI_DB_PORT', undef)
);
}
sub main {
my $q = shift;
my $type = $q->param('type') || '';
if ($type eq 'local_problems') {
my $x = $q->param('x');
my $y = $q->param('y');
my $lat = $q->param('lat');
my $lon = $q->param('lon');
my ($e, $n);
if ($lat) { # In the UK, it'll never be 0 :)
($e, $n) = mySociety::GeoUtil::wgs84_to_national_grid($lat, $lon, 'G');
$x = Page::os_to_tile($e);
$y = Page::os_to_tile($n);
} elsif ($x && $y) {
$e = Page::tile_to_os($x);
$n = Page::tile_to_os($y);
($lat, $lon) = mySociety::GeoUtil::national_grid_to_wgs84($e, $n, 'G');
} else {
die "Missing x/y or lat/lon parameter in RSS feed";
}
my $qs = "x=$x;y=$y";
my $d = $q->param('d');
if ($d) {
$qs .= ";d=$d";
$d = 100 if $d > 100;
} else {
$d = mySociety::Gaze::get_radius_containing_population($lat, $lon, 200000);
$d = int($d*10+0.5)/10;
}
mySociety::Alert::generate_rss($type, $qs, $e, $n, $d);
} elsif ($type eq 'new_updates') {
my $id = $q->param('id');
my $qs = 'id='.$id;
mySociety::Alert::generate_rss($type, $qs, $id);
} elsif ($type eq 'new_problems') {
mySociety::Alert::generate_rss($type, '');
} elsif ($type eq 'council_problems') {
my $id = $q->param('id');
my $qs = 'council='.$id;
mySociety::Alert::generate_rss($type, $qs, $id);
} elsif ($type eq 'all_problems') {
mySociety::Alert::generate_rss($type, '');
} else {
throw Error::Simple('Unknown alert type') unless $type;
}
dbh()->rollback();
}
Page::do_fastcgi(\&main);
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