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|
#!/usr/bin/perl
#
# Page.pm:
# Various HTML stuff for the BCI site.
#
# Copyright (c) 2006 UK Citizens Online Democracy. All rights reserved.
# Email: matthew@mysociety.org; WWW: http://www.mysociety.org/
#
# $Id: Page.pm,v 1.82 2008-03-21 14:31:39 matthew Exp $
#
package Page;
use strict;
use Carp;
use mySociety::CGIFast qw(-no_xhtml);
use Error qw(:try);
use File::Slurp;
use LWP::Simple;
use Digest::MD5 qw(md5_hex);
use POSIX qw(strftime);
use URI::Escape;
use mySociety::Config;
use mySociety::DBHandle qw/dbh select_all/;
use mySociety::EvEl;
use mySociety::MaPit;
use mySociety::PostcodeUtil;
use mySociety::Tracking;
use mySociety::WatchUpdate;
use mySociety::Web qw(ent NewURL);
BEGIN {
mySociety::Config::set_file("$FindBin::Bin/../conf/general");
}
sub do_fastcgi {
my $func = shift;
try {
my $W = new mySociety::WatchUpdate();
while (my $q = new mySociety::CGIFast()) {
microsite($q);
&$func($q);
dbh()->rollback() if $mySociety::DBHandle::conf_ok;
$W->exit_if_changed();
}
} catch Error::Simple with {
my $E = shift;
my $msg = sprintf('%s:%d: %s', $E->file(), $E->line(), $E->text());
warn "caught fatal exception: $msg";
warn "aborting";
ent($msg);
print "Status: 500\nContent-Type: text/html; charset=iso-8859-1\n\n",
q(<html><head><title>Sorry! Something's gone wrong.</title></head></html>),
q(<body>),
q(<h1>Sorry! Something's gone wrong.</h1>),
q(<p>Please try again later, or <a href="mailto:team@fixmystreet.com">email us</a> to let us know.</p>),
q(<hr>),
q(<p>The text of the error was:</p>),
qq(<blockquote class="errortext">$msg</blockquote>),
q(</body></html);
};
dbh()->rollback() if $mySociety::DBHandle::conf_ok;
exit(0);
}
=item microsite Q
Work out what site we're on, template appropriately
=cut
sub microsite {
my $q = shift;
my $host = $ENV{HTTP_HOST} || '';
$q->{site} = 'fixmystreet';
$q->{site} = 'scambs' if $host =~ /scambs/;
}
=item header Q [PARAM VALUE ...]
Return HTML for the top of the page, given PARAMs (TITLE is required).
=cut
sub header ($%) {
my ($q, %params) = @_;
my %permitted_params = map { $_ => 1 } qw(title rss);
foreach (keys %params) {
croak "bad parameter '$_'" if (!exists($permitted_params{$_}));
}
my $title = $params{title} || '';
$title .= ' - ' if $title;
$title = ent($title);
my $home = !$title && $ENV{SCRIPT_NAME} eq '/index.cgi' && !$ENV{QUERY_STRING};
print $q->header(-charset => 'utf-8');
my $html;
if ($q->{site} eq 'scambs') {
open FP, '../templates/website/scambs-header';
$html = join('', <FP>);
close FP;
$html =~ s#<!-- TITLE -->#$title#;
} else {
$html = <<EOF;
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en-gb">
<head>
<script type="text/javascript" src="/yui/utilities.js"></script>
<script type="text/javascript" src="/js.js"></script>
<title>${title}FixMyStreet</title>
<style type="text/css">\@import url("/css/core.css"); \@import url("/css/main.css");</style>
<!-- RSS -->
</head>
<body>
EOF
$html .= $home ? '<h1 id="header">' : '<div id="header"><a href="/">';
$html .= 'Fix<span id="my">My</span>Street <span id="beta">' . _('Beta') . '</span>';
$html .= $home ? '</h1>' : '</a></div>';
$html .= '<div id="wrapper"><div id="content">';
}
if ($params{rss}) {
$html =~ s#<!-- RSS -->#<link rel="alternate" type="application/rss+xml" title="'{$params{rss}[0]}" href="{$params{rss}[1]}">#;
}
if (mySociety::Config::get('STAGING_SITE')) {
$html .= '<p id="error">This is a developer site; things might break at any time, and councils are not sent emails (they\'d get annoyed!).</p>';
}
return $html;
}
=item footer
=cut
sub footer {
my ($q, $extra) = @_;
if ($q->{site} eq 'scambs') {
open FP, '../templates/website/scambs-footer';
my $html = join('', <FP>);
close FP;
return $html;
}
my $pc = $q->param('pc') || '';
$pc = "?pc=" . ent($pc) if $pc;
$extra = $q->{scratch} if $q->{scratch}; # Overrides
my $track = mySociety::Tracking::code($q, $extra);
return <<EOF;
</div></div>
<h2 class="v">Navigation</h2>
<ul id="navigation">
<li><a href="/">Report a problem</a></li>
<li><a href="/reports">All reports</a></li>
<li><a href="/alert$pc">Local alerts</a></li>
<li><a href="/faq">Help</a></li>
<li><a href="/contact">Contact</a></li>
</ul>
<p id="footer">Built by <a href="http://www.mysociety.org/">mySociety</a>,
using some <a href="https://secure.mysociety.org/cvstrac/dir?d=mysociety/bci">clever</a> <a
href="https://secure.mysociety.org/cvstrac/dir?d=mysociety/services/TilMa">code</a>. Formerly <a href="/faq#nfi">Neighbourhood Fix-It</a>.</p>
$track
</body>
</html>
EOF
}
=item error_page Q MESSAGE
=cut
sub error_page ($$) {
my ($q, $message);
my $html = header($q, title=>"Error")
. $q->p($message)
. footer($q);
print $q->header(-content_length => length($html)), $html;
}
# display_map Q PARAMS
# PARAMS include:
# X,Y is bottom left tile of 2x2 grid
# TYPE is 1 if the map is clickable, 2 if clickable and has a form upload,
# 0 if not clickable
# PINS is HTML of pins to show
# PX,PY are coordinates of pin
# PRE/POST are HTML to show above/below map
sub display_map {
my ($q, %params) = @_;
$params{pins} ||= '';
$params{pre} ||= '';
$params{post} ||= '';
my $px = defined($params{px}) ? $params{px}-254 : 0;
my $py = defined($params{py}) ? 254-$params{py} : 0;
my $x = int($params{x})<=0 ? 0 : $params{x};
my $y = int($params{y})<=0 ? 0 : $params{y};
my $url = mySociety::Config::get('TILES_URL');
my $tiles_url = $url . $x . '-' . ($x+1) . ',' . $y . '-' . ($y+1) . '/RABX';
my $tiles = LWP::Simple::get($tiles_url);
throw Error::Simple("Unable to get tiles from URL $tiles_url\n") if !$tiles;
my $tileids = RABX::unserialise($tiles);
my $tl = $x . '.' . ($y+1);
my $tr = ($x+1) . '.' . ($y+1);
my $bl = $x . '.' . $y;
my $br = ($x+1) . '.' . $y;
return '<div id="side">' if (!$tileids->[0][0] || !$tileids->[0][1] || !$tileids->[1][0] || !$tileids->[1][1]);
my $tl_src = $url . $tileids->[0][0];
my $tr_src = $url . $tileids->[0][1];
my $bl_src = $url . $tileids->[1][0];
my $br_src = $url . $tileids->[1][1];
my $out = '';
my $img_type;
if ($params{type}) {
my $encoding = '';
$encoding = ' enctype="multipart/form-data"' if ($params{type}==2);
my $pc = $q->param('pc') || '';
my $pc_enc = ent($pc);
$out .= <<EOF;
<form action="./" method="post" id="mapForm"$encoding>
<input type="hidden" name="submit_map" value="1">
<input type="hidden" name="x" value="$x">
<input type="hidden" name="y" value="$y">
<input type="hidden" name="pc" value="$pc_enc">
EOF
$img_type = '<input type="image"';
} else {
$img_type = '<img';
}
my $imgw = '254px';
my $imgh = '254px';
$out .= <<EOF;
<script type="text/javascript">
var x = $x - 2; var y = $y - 2;
var drag_x = $px; var drag_y = $py;
</script>
<div id="map_box">
$params{pre}
<div id="map"><div id="drag">
$img_type alt="NW map tile" id="t2.2" name="tile_$tl" src="$tl_src" style="top:0px; left:0;">$img_type alt="NE map tile" id="t2.3" name="tile_$tr" src="$tr_src" style="top:0px; left:$imgw;"><br>$img_type alt="SW map tile" id="t3.2" name="tile_$bl" src="$bl_src" style="top:$imgh; left:0;">$img_type alt="SE map tile" id="t3.3" name="tile_$br" src="$br_src" style="top:$imgh; left:$imgw;">
$params{pins}
</div>
EOF
$out .= compass($q, $x, $y);
$out .= <<EOF;
</div>
<p id="copyright">© Crown copyright. All rights reserved.
Department for Constitutional Affairs 100037819 2007</p>
$params{post}
EOF
$out .= '</div>';
$out .= '<div id="side">';
return $out;
}
sub display_map_end {
my ($type) = @_;
my $out = '</div>';
$out .= '</form>' if ($type);
return $out;
}
sub display_pin {
my ($q, $px, $py, $col, $num) = @_;
$num = '' unless $num;
my %cols = (red=>'R', green=>'G', blue=>'B', purple=>'P');
my $out = '<img class="pin" src="/i/pin' . $cols{$col}
. $num . '.gif" alt="Problem" style="top:' . ($py-59)
. 'px; right:' . ($px-31) . 'px; position: absolute;">';
return $out unless $_ && $_->{id} && $col ne 'blue';
my $url = NewURL($q, id=>$_->{id}, x=>undef, y=>undef);
$out = '<a title="' . $_->{title} . '" href="' . $url . '">' . $out . '</a>';
return $out;
}
sub compass ($$$) {
my ($q, $x, $y) = @_;
my @compass;
for (my $i=$x-1; $i<=$x+1; $i++) {
for (my $j=$y-1; $j<=$y+1; $j++) {
$compass[$i][$j] = NewURL($q, x=>$i, y=>$j);
}
}
my $recentre = NewURL($q, x=>undef, y=>undef);
return <<EOF;
<table cellpadding="0" cellspacing="0" border="0" id="compass">
<tr valign="bottom">
<td align="right"><a href="${compass[$x-1][$y+1]}"><img src="/i/arrow-northwest.gif" alt="NW"></a></td>
<td align="center"><a href="${compass[$x][$y+1]}"><img src="/i/arrow-north.gif" vspace="3" alt="N"></a></td>
<td><a href="${compass[$x+1][$y+1]}"><img src="/i/arrow-northeast.gif" alt="NE"></a></td>
</tr>
<tr>
<td><a href="${compass[$x-1][$y]}"><img src="/i/arrow-west.gif" hspace="3" alt="W"></a></td>
<td align="center"><a href="$recentre"><img src="/i/rose.gif" alt="Recentre"></a></td>
<td><a href="${compass[$x+1][$y]}"><img src="/i/arrow-east.gif" hspace="3" alt="E"></a></td>
</tr>
<tr valign="top">
<td align="right"><a href="${compass[$x-1][$y-1]}"><img src="/i/arrow-southwest.gif" alt="SW"></a></td>
<td align="center"><a href="${compass[$x][$y-1]}"><img src="/i/arrow-south.gif" vspace="3" alt="S"></a></td>
<td><a href="${compass[$x+1][$y-1]}"><img src="/i/arrow-southeast.gif" alt="SE"></a></td>
</tr>
</table>
EOF
}
# P is easting or northing
# BL is bottom left tile reference of displayed map
sub os_to_px {
my ($p, $bl) = @_;
return tile_to_px(os_to_tile($p), $bl);
}
# Convert tile co-ordinates to pixel co-ordinates from top right of map
# BL is bottom left tile reference of displayed map
sub tile_to_px {
my ($p, $bl) = @_;
$p = 508 - 254 * ($p - $bl);
$p = int($p + .5 * ($p <=> 0));
return $p;
}
# Tile co-ordinates are linear scale of OS E/N
# Will need more generalising when more zooms appear
sub os_to_tile {
return $_[0] / (5000/31);
}
sub tile_to_os {
return $_[0] * (5000/31);
}
sub click_to_tile {
my ($pin_tile, $pin, $invert) = @_;
$pin -= 254 while $pin > 254;
$pin += 254 while $pin < 0;
$pin = 254 - $pin if $invert; # image submits measured from top down
return $pin_tile + $pin / 254;
}
# send_email TO (NAME) TEMPLATE-NAME PARAMETERS
sub send_email {
my ($email, $name, $thing, %h) = @_;
my $template = "$thing-confirm";
$template = File::Slurp::read_file("$FindBin::Bin/../templates/emails/$template");
my $to = $name ? [[$email, $name]] : $email;
my $sender = mySociety::Config::get('CONTACT_EMAIL');
$sender =~ s/team/fms-DO-NOT-REPLY/;
mySociety::EvEl::send({
_template_ => $template,
_parameters_ => \%h,
From => [ $sender, 'FixMyStreet'],
To => $to,
}, $email);
my $out;
my $action = ($thing eq 'alert') ? 'confirmed' : 'posted';
$out = <<EOF;
<h1>Nearly Done! Now check your email...</h1>
<p>The confirmation email <strong>may</strong> take a few minutes to arrive — <em>please</em> be patient.</p>
<p>If you use web-based email or have 'junk mail' filters, you may wish to check your bulk/spam mail folders: sometimes, our messages are marked that way.</p>
<p>You must now click on the link within the email we've just sent you —
if you do not, your $thing will not be $action.</p>
<p>(Don't worry — we'll hang on to your $thing while you're checking your email.)</p>
EOF
return $out;
}
sub prettify_epoch {
my $s = shift;
my @s = localtime($s);
my $tt = strftime('%H:%M', @s);
my @t = localtime();
if (strftime('%Y%m%d', @s) eq strftime('%Y%m%d', @t)) {
$tt = "$tt " . 'today';
} elsif (strftime('%U', @s) eq strftime('%U', @t)) {
$tt = "$tt, " . strftime('%A', @s);
} elsif (strftime('%Y', @s) eq strftime('%Y', @t)) {
$tt = "$tt, " . strftime('%A %e %B', @s);
} else {
$tt = "$tt, " . strftime('%a %e %B %Y', @s);
}
return $tt;
}
# argument is duration in seconds, rounds to the nearest minute
sub prettify_duration {
my ($s, $nearest) = @_;
if ($nearest eq 'week') {
$s = int(($s+60*60*24*3.5)/60/60/24/7)*60*60*24*7;
} elsif ($nearest eq 'day') {
$s = int(($s+60*60*12)/60/60/24)*60*60*24;
} elsif ($nearest eq 'hour') {
$s = int(($s+60*30)/60/60)*60*60;
} elsif ($nearest eq 'minute') {
$s = int(($s+30)/60)*60;
return 'less than a minute' if $s == 0;
}
my @out = ();
_part(\$s, 60*60*24*7, 'week', \@out);
_part(\$s, 60*60*24, 'day', \@out);
_part(\$s, 60*60, 'hour', \@out);
_part(\$s, 60, 'minute', \@out);
return join(', ', @out);
}
sub _part {
my ($s, $m, $w, $o) = @_;
if ($$s >= $m) {
my $i = int($$s / $m);
push @$o, "$i $w" . ($i != 1 ? 's' : '');
$$s -= $i * $m;
}
}
# Simply so I can gettext the code without making the locale stuff all work
sub _ {
return $_[0];
}
sub display_problem_text {
my ($q, $problem) = @_;
my $out = $q->h1(ent($problem->{title}));
# Display information about problem
$out .= '<p><em>Reported ';
$out .= 'in the ' . ent($problem->{category}) . ' category '
if $problem->{category} && $problem->{category} ne 'Other';
$out .= ($problem->{anonymous}) ? 'anonymously' : "by " . ent($problem->{name});
$out .= ' at ' . prettify_epoch($problem->{time});
$out .= '; the map was not used so pin location may be inaccurate' unless ($problem->{used_map});
if ($problem->{council}) {
if ($problem->{whensent}) {
$problem->{council} =~ s/\|.*//g;
my @councils = split /,/, $problem->{council};
my $areas_info = mySociety::MaPit::get_voting_areas_info(\@councils);
my $council = join(' and ', map { $areas_info->{$_}->{name} } @councils);
$out .= $q->br() . $q->small('Sent to ' . $council . ' ' .
prettify_duration($problem->{whensent}, 'minute') . ' later');
}
} else {
$out .= $q->br() . $q->small('Not reported to council');
}
$out .= '</em></p> <p>';
$out .= ent($problem->{detail});
$out .= '</p>';
if ($problem->{photo}) {
$out .= '<p align="center"><img src="/photo?id=' . $problem->{id} . '"></p>';
}
return $out;
}
# Display updates
sub display_problem_updates {
my $id = shift;
my $updates = select_all(
"select id, name, extract(epoch from created) as created, text, mark_fixed, mark_open
from comment where problem_id = ? and state='confirmed'
order by created", $id);
my $out = '';
if (@$updates) {
$out .= '<div id="updates">';
$out .= '<h2>Updates</h2>';
foreach my $row (@$updates) {
$out .= "<div><a name=\"update_$row->{id}\"></a><em>";
if ($row->{name}) {
$out .= 'Posted by ' . ent($row->{name});
} else {
$out .= "Posted anonymously";
}
$out .= " at " . prettify_epoch($row->{created});
$out .= ', marked fixed' if ($row->{mark_fixed});
$out .= ', reopened' if ($row->{mark_open});
$out .= '</em>';
$out .= '<br>' . ent($row->{text}) . '</div>';
}
$out .= '</div>';
}
return $out;
}
# geocode STRING
# Given a user-inputted string, try and convert it into co-ordinates using either
# MaPit if it's a postcode, or Google Maps API otherwise. Returns an array of
# data, including an error if there is one (which includes a location being in
# Northern Ireland).
sub geocode {
my ($s) = @_;
my ($x, $y, $easting, $northing, $error);
if (mySociety::PostcodeUtil::is_valid_postcode($s)) {
try {
my $location = mySociety::MaPit::get_location($s);
my $island = $location->{coordsyst};
throw RABX::Error("We do not cover Northern Ireland, I'm afraid, as our licence doesn't include any maps for the region.") if $island eq 'I';
$easting = $location->{easting};
$northing = $location->{northing};
my $xx = Page::os_to_tile($easting);
my $yy = Page::os_to_tile($northing);
$x = int($xx);
$y = int($yy);
$x -= 1 if ($xx - $x < 0.5);
$y -= 1 if ($yy - $y < 0.5);
} catch RABX::Error with {
my $e = shift;
if ($e->value() && ($e->value() == mySociety::MaPit::BAD_POSTCODE
|| $e->value() == mySociety::MaPit::POSTCODE_NOT_FOUND)) {
$error = 'That postcode was not recognised, sorry.';
} else {
$error = $e;
}
}
} else {
($x, $y, $easting, $northing, $error) = geocode_string($s);
}
return ($x, $y, $easting, $northing, $error);
}
# geocode_string STRING
# Canonicalises, looks up on Google Maps API, and caches, a user-inputted location.
# Returns array of (TILE_X, TILE_Y, EASTING, NORTHING, ERROR), where ERROR is
# either undef, a string, or an array of matches if there are more than one.
sub geocode_string {
my $s = shift;
$s = lc($s);
$s =~ s/[^-&0-9a-z ']/ /g;
$s =~ s/\s+/ /g;
$s = uri_escape($s);
$s =~ s/%20/+/g;
my $url = 'http://maps.google.com/maps/geo?q=' . $s;
my $cache_dir = mySociety::Config::get('GEO_CACHE');
my $cache_file = $cache_dir . md5_hex($url);
my ($js, $error, $x, $y, $easting, $northing);
if (-s $cache_file) {
$js = File::Slurp::read_file($cache_file);
} else {
$url .= ',+United+Kingdom' unless $url =~ /united\++kingdom$/ || $url =~ /uk$/i;
$url .= '&key=' . mySociety::Config::get('GOOGLE_MAPS_API_KEY');
$js = LWP::Simple::get($url);
File::Slurp::write_file($cache_file, $js) if $js && $js !~ /"code":6[12]0/;
}
if (!$js) {
$error = 'Sorry, we had a problem parsing that location. Please try again.';
} elsif ($js !~ /"code":200/) {
$error = 'Sorry, we could not find that location.';
} elsif ($js =~ /},{/) { # Multiple
while ($js =~ /"address":"(.*?)"/g) {
push (@$error, $1) unless $1 =~ /BT\d/;
}
$error = 'Sorry, we could not find that location.' unless $error;
} elsif ($js =~ /BT\d/) {
# Northern Ireland, hopefully
$error = "We do not cover Northern Ireland, I'm afraid, as our licence doesn't include any maps for the region.";
} else {
my ($accuracy) = $js =~ /"Accuracy": (\d)/;
if ($accuracy < 4) {
$error = 'Sorry, that location appears to be too general; please be more specific.';
} else {
$js =~ /"coordinates":\[(.*?),(.*?),/;
my $lon = $1; my $lat = $2;
try {
($easting, $northing) = mySociety::GeoUtil::wgs84_to_national_grid($lat, $lon, 'G');
my $xx = Page::os_to_tile($easting);
my $yy = Page::os_to_tile($northing);
$x = int($xx);
$y = int($yy);
$x -= 1 if ($xx - $x < 0.5);
$y -= 1 if ($yy - $y < 0.5);
} catch Error::Simple with {
$error = shift;
$error = "That location doesn't appear to be in Britain; please try again."
if $error =~ /out of the area covered/;
}
}
}
return ($x, $y, $easting, $northing, $error);
}
# geocode_choice
# Prints response if there's more than one possible result
sub geocode_choice {
my ($choices, $page) = @_;
my $out = '<p>We found more than one match for that location. We show up to ten matches, please try a different search if yours is not here.</p> <ul>';
foreach my $choice (@$choices) {
$choice =~ s/, United Kingdom//;
$choice =~ s/, UK//;
my $url = uri_escape($choice);
$url =~ s/%20/+/g;
$out .= '<li><a href="' . $page . '?pc=' . $url . '">' . $choice . "</a></li>\n";
}
$out .= '</ul>';
return $out;
}
sub short_name {
my $name = shift;
# Special case Durham as it's the only place with two councils of the same name
return 'Durham+County' if ($name eq 'Durham County Council');
return 'Durham+City' if ($name eq 'Durham City Council');
$name =~ s/ (Borough|City|District|County) Council$//;
$name =~ s/ Council$//;
$name =~ s/ & / and /;
$name = uri_escape($name);
$name =~ s/%20/+/g;
return $name;
}
sub recent_photos {
my ($num, $e, $n, $dist) = @_;
my $probs;
if ($e) {
$probs = select_all("select id, title
from problem_find_nearby(?, ?, ?) as nearby, problem
where nearby.problem_id = problem.id
and state in ('confirmed', 'fixed') and photo is not null
order by confirmed desc limit $num", $e, $n, $dist);
} else {
$probs = select_all("select id, title from problem
where state in ('confirmed', 'fixed') and photo is not null
order by confirmed desc limit $num");
}
my $out = '';
foreach (@$probs) {
my $title = ent($_->{title});
$out .= '<a href="/?id=' . $_->{id} .
'"><img border="0" src="/photo?tn=1;id=' . $_->{id} .
'" alt="' . $title . '" title="' . $title . '"></a>';
}
return $out;
}
1;
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