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validator.pl
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validator.pl
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#!/usr/bin/perl
use utf8;
use Data::Dumper;
use JSON::XS;
use POSIX qw(strftime);
use open qw/ :std :encoding(utf8) /; # To avoid "Wide character warning"
@dashboards = ("leeds-city-region/leeds.csv");
# Read in the fields from the definition JSON file - available via %fields
getFields("diversity-definition.json");
$lastupdated = "<time datetime=\"".strftime("%F",gmtime())."\">".strftime("%A %d %B %Y %R",gmtime())."</time>";
# Loop over the dashboard array
for($d = 0; $d < @dashboards; $d++){
# Get the file name
$file = $dashboards[$d];
# Work out the corresponding validation results file
$vfile = $file;
$vfile =~ s/([^\/]*).csv/validation.html/;
# If the file exists
if(-e $file && -e $vfile){
# Read in the lines of the file
open(FILE,$file);
@lines = <FILE>;
close(FILE);
# Read in the validation HTML template
open(HTML,$vfile);
@vlines = <HTML>;
close(HTML);
$vstr = join("",@vlines);
# Replace newlines temporarily to aid pattern matching across lines
$vstr =~ s/[\n\r]+/::NEWLINE::/g;
$html = "\t<ul class=\"grid compact\">\n";
# Loop over lines (ignore header line)
for($i = 1; $i < @lines; $i++){
# Remove new line characters from the line
$lines[$i] =~ s/[\n\r]//g;
# Get the name and URL
($name,$url) = split(",",$lines[$i]);
$cls = "";
@messages = readOrganisationURL($url);
$txtw = "";
$txte = "";
$txts = "";
$nw = 0;
$ne = 0;
for($m = 0; $m < @messages; $m++){
if($messages[$m]{'type'} eq "error"){
$txte .= "<li>".$messages[$m]{'message'}."</li>";
$ne++;
}elsif($messages[$m]{'type'} eq "warning"){
$txtw .= "<li>".$messages[$m]{'message'}."</li>";
$nw++;
}
}
if($txtw){ $cls = "WARNING"; $txtw = "<div class=\"WARNING padded block\"><h3>WARNINGS: $nw</h3><ul class=\"list\">".$txtw."</ul></div>"; }
if($txte){ $cls = "ERROR"; $txte = "<div class=\"ERROR padded block\"><h3>ERRORS: $ne</h3><ul class=\"list\">".$txte."</ul></div>"; }
if(!$cls){ $cls = "SUCCESS"; $txts = "VALID"; }
# Make the list item
$html .= "\t\t<li><div class=\"$cls\"><h2>$name</h2><a href=\"$url\">Source data</a> $txte$txtw$txts</div></li>\n";
}
$html .= "\t</ul>\n";
# Replace the portion of the original file with the new HTML fragment
$vstr =~ s/(\<\!-- Start validation --\>)(.*)(\<\!-- End validation --\>)/$1\n$html\n$3/gi;
$vstr =~ s/(\<\!-- Start date --\>)(.*)(\<\!-- End date --\>)/$1$lastupdated$3/gi;
# Put newlines back
$vstr =~ s/::NEWLINE::/\n/g;
# Save results
open(HTML,">",$vfile);
print HTML $vstr;
close(HTML);
}
}
#######################
sub getFields {
my $file = $_[0];
my (@lines,$str,$s);
# Read in the JSON definition
open(FILE,$file);
@lines = <FILE>;
close(FILE);
$str = join("",@lines);
%json = %{JSON::XS->new->decode($str)};
for($s = 0; $s < @{$json{'sections'}}; $s++){
makeRows($json{'sections'}[$s]{'key'},0,%{$json{'sections'}[$s]});
}
return;
}
sub makeRows {
my ($key,$lvl,%rows) = @_;
my ($ps,$p,$name);
$ps = @{$rows{'properties'}};
if($key eq "metadata"){
$key = "";
}
for($p = 0; $p < $ps; $p++){
if($rows{'properties'}[$p]{'key'}){
$name = $key.($key ? "_":"").$rows{'properties'}[$p]{'key'};
if(!$fields{$name}){ $fields{$name} = {}; }
$fields{$name}{'min'} = $rows{'properties'}[$p]{'minimum'}||"";
$fields{$name}{'max'} = $rows{'properties'}[$p]{'maximum'}||"";
$fields{$name}{'pattern'} = $rows{'properties'}[$p]{'pattern'}||"";
$fields{$name}{'patterndesc'} = $rows{'properties'}[$p]{'patterndesc'}||"";
$fields{$name}{'required'} = ($rows{'properties'}[$p]{'required'} ? 1 : 0)||0;
$fields{$name}{'type'} = $rows{'properties'}[$p]{'type'}||"";
$fields{$name}{'id'} = $name;
if($rows{'properties'}[$p]{'properties'}){
makeRows($name,$lvl+1,%{$rows{'properties'}[$p]});
}
}
}
return;
}
sub readOrganisationURL {
my $url = $_[0];
my (@lines,$i,@cols,@head,$r,$c,@messages,%lookup,$id,$v,$t,$category,$higher,$n,@b);
if($url){
print "Getting $url...\n";
@lines = `wget -q --no-check-certificate -O- "$url"`;
}else{
print "No URL provided\n";
return;
print "Using a dummy file at leeds-city-region/YWtest.csv\n";
open(FILE,"leeds-city-region/YWtest.csv");
@lines = <FILE>;
close(FILE);
}
$lines[0] =~ s/^\N{BOM}//; # Remove any BOM character
for($r = 0; $r < @lines; $r++){
$lines[$r] =~ s/[\n\r]//g;
}
(@head) = split(/,(?=(?:[^\"]*\"[^\"]*\")*(?![^\"]*\"))/,$lines[0]);
foreach $id (keys(%fields)){
$lookup{$id} = -1;
}
for($c = 0; $c < @head; $c++){
$lookup{$head[$c]} = $c;
}
for($r = 1; $r < @lines; $r++){
# Split the row into columns
(@cols) = split(/,(?=(?:[^\"]*\"[^\"]*\")*(?![^\"]*\"))/,$lines[$r]);
%checksubtotal = ();
for($c = 0; $c < @cols; $c++){
$validcell = 1;
$id = $head[$c];
$v = ($cols[$c]||"");
if($v ne "" && $fields{$id}{'pattern'}){
# Check if it validates
if($v !~ /$fields{$id}{'pattern'}/){
push(@messages,{'type'=>'error','row'=>$r,'field'=>$id,'message'=>'The value of <em>'.$v.'</em> for <code>'.$id.'</code> on line '.($r+1).' appears to be invalid - '.$fields{$id}{'patterndesc'}});
}
}
if($fields{$id}{'min'} ne "" && $cols[$c] < $fields{$id}{'min'}){
push(@messages,{'type'=>'error','row'=>$r,'field'=>$id,'message'=>'The value <em>$cols[$c]</em> for <code>$id</code> on line '.($r+1).' is smaller than '.$fields{$id}{'min'}});
}
if($fields{$id}{'max'} ne "" && $cols[$c] > $fields{$id}{'max'}){
push(@messages,{'type'=>'error','row'=>$r,'field'=>$id,'message'=>'The value <em>$cols[$c]</em> for <code>$id</code> on line '.($r+1).' is larger than '.$fields{$id}{'max'}});
}
}
# Reset sub total for this row
%checksubtotal = ();
foreach $id (sort(keys(%fields))){
$c = $lookup{$id};
if($fields{$id}{'required'}){
if($c < 0 || ($c >= 0 && $cols[$c] eq "")){
push(@messages,{'type'=>'error','row'=>$r,'field'=>$id,'message'=>'The required field <code>'.$id.'</code> appears to be missing on line '.($r+1)});
}
}
if($c >= 0){
# If this field is a number type
if($fields{$id}{'type'} == "number"){
@b = split(/_/,$id);
$n = @b;
$category = pop(@b);
$higher = join("_",@b);
if($n > 2){
if(!$checksubtotal[$higher]){
$checksubtotal[$higher] = ('total'=>0,'sub'=>());
}
if($category ne "total" && $cols[$c]){
$checksubtotal{$higher}{'total'} += $cols[$c]+0;
push(@{$checksubtotal{$higher}{'sub'}},'<code>'.$id.'</code>');
}
}
}
}
}
foreach $category (sort(keys(%checksubtotal))){
$c = $lookup{$category};
print "\t$category has an index of $c\n";
if($cols[$c] && $c >= 0){
$t = $cols[$c]+0;
if($checksubtotal{$category}{'total'} > $t){
push(@messages,{'type'=>'warning','row'=>$r,'field'=>$category,'message'=>'The value for <code>'.$category.'</code> is <strong>'.$t.'</strong> but the sub-categories ('.join(", ",@{$checksubtotal{$category}{'sub'}}).') appear to add up to <strong>'.$checksubtotal{$category}{'total'}.'</strong> on line '.($r+1)});
}
}else{
if($checksubtotal{$category}{'total'} > 0){
push(@messages,{'type'=>'warning','row'=>$r,'field'=>$category,'message'=>'No value has been given for <code>'.$category.'</code> although the sub-categories ('.join(", ",@{$checksubtotal{$category}{'sub'}}).') appear to add up to <strong>'.$checksubtotal{$category}{'total'}.'</strong> on line '.($r+1)});
}
}
}
}
return @messages;
}