simile/links/csv2js.pl

#!/usr/bin/perl

use warnings;
use strict;

use Text::CSV_XS;
use Text::CSV::Separator qw(get_separator);
use Carp qw/confess/;
use LWP::Simple;
use Number::Bytes::Human qw/format_bytes/;

use JSON::Syck;
use Data::Dump qw/dump/;

$|++;

my $csv_path = 'links.csv';
my $img_path = 'img';
my $first_line_labels = 1;
my $split_fields = {
        label => sub { return split(/,\s*/,$_[0]) },
};

my @char_list = get_separator( path => $csv_path );

my $separator;
if (@char_list) {
    if (@char_list == 1) {
        $separator = $char_list[0];
    } else {
        $separator  = $char_list[0];
    }
} else {
    die "Couldn't detect the field separator.\n";
}

warn "Separator: $separator\n";

my $csv_parser = Text::CSV_XS->new({
        sep_char => $separator,
#       binary => '1',
#       always_quote => '1'
});

open my $csv_fh, '<', $csv_path;

my @dump;

my @labels;

my $split_stats;

my $multiplier = {
        kb => 1024,
        mb => 1024 * 1024,
        gb => 1024 * 1024 * 1024,
};

my $multiplier_regex = join('|',keys %$multiplier);

sub clean {
        my @out;
        foreach my $l ( @_ ) {
                my $o = $l;
                $l =~ s/^(['"])(.*)\1/$2/;
                $l =~ s/^\s+//s;
                $l =~ s/\s+$//s;
                push @out, $l;
                warn "clean '$o' -> '$l'\n" if ( $o ne $l );
        }
        return @out if wantarray;
        return shift @out;
}

sub human {
        my $s = shift;

        if ( $s =~ m/^\s*(\d+)\s*($multiplier_regex)\s*$/i) {
                my ( $v, $m ) = ( $1, lc($2) );
                my $factor = $multiplier->{$m};
                confess "can't find multiplier $m" unless defined $factor;
                my $new = format_bytes( $v * $factor, bs => 1024 );
                warn "## [$s] $v * $factor ($m) -> $new\n";
                return $new;
        }
        return;
}

sub strip_prefix {
        my @data = @_;
        my $prefix = shift @data;

        my $p;

        foreach my $d ( @data ) {
                my $chomp = length($prefix);
                # find end of common string
                $chomp-- while(
                        lc(substr( $prefix, 0, $chomp )) ne lc(substr( $d, 0, $chomp ))
                        &&
                        $chomp > 0
                );
                if ( $chomp == 0 ) {
                        warn "no common prefix in ",dump( @_ );
                        return @_;
                }

                my $prefix = substr( $prefix, 0, $chomp );
                $p->{$prefix}++;
        }
        warn "prefixes found = ",dump($p);
        my @sorted = sort { $p->{$b} <=> $p->{$a} } keys %$p;
        my $strip = shift @sorted || return @_;
        warn "longest prefix: '$strip' (stripped)\n";
        return map { my $v = $_; $v =~ s/^\Q$strip\E//i; $v; } @_;
}

sub group_by {
        my ( $group, $detail ) = ( shift, shift );
        my $what = shift;
        confess "expected CODE as first argument!" unless ref($what) eq 'CODE';
        my @data = @_;

        my $stat;
        my @details;

        foreach my $i ( 0 .. $#data ) {
                my $v = $data[$i];
                my ( $by, $rest ) = $what->($v);
#               warn "## group_by: $i $v -> $by\n";
                push @{ $stat->{$by} }, $i;
                $details[$i] = $rest;
        }

        warn "group_by '$group' stats = ",dump( $stat );

        foreach my $g ( keys %$stat ) {
                foreach my $r ( @{ $stat->{$g} } ) {
                        warn "## $group $g $r\n";
                        $dump[$r]->{$group} = $g;
                        $dump[$r]->{$detail} = $details[$r];
                }
        }
}

sub number {
        my $v = shift;
        if ( $v =~ m/^([\d.]+),(\d+)$/) {
                my ( $i, $f ) = ( $1, $2 );
                $i =~ s/\.//g;
                my $new = ( $i . '.' . $f ) + 0;
                warn "## number $v -> $new\n";
                return $new;
        }
        return $v;
}

sub numeric_range {
        my ( $name, $groups ) = ( shift, shift );

        my $min;
        my $max;

        my @numbers;

        foreach my $i ( 0 .. $#dump ) {
                my $v = number( $dump[$i]->{$name} );
                die "element $i doesn't have $name in ",dump( $dump[$i] ) unless defined $v;

                $min ||= $v;
                $max ||= $v;

                $min = $v if $v < $min;
                $max = $v if $v > $max;

                push @numbers, $v;
        }

        sub round {
                my $v = number( shift );
                my $step = shift || 10;
                my $f = 1;
                while ( $v > $step ) {
                        $f *= $step;
                        $v /= $step;
                }
                my $new = int($v) * $f;
                warn "## round step: $step v: $v f: $f => $new\n";
                return $new;
        }

        my $range = $max - $min;
        my $step = $range / $groups;

        warn "## numeric_range $min - $max / $step step into $groups groups\n";

        $step = round($step);
        $min = round($min);
        $max = round($max, $step) + $step;

        my @ranges;
        my $v = $min;
        while ( $v <= $max ) {
                push @ranges, $v;
                $v += $step;
        }

        warn "## round $min - $max / $step produced ranges: ",dump( @ranges ),"\n";

        my $usage;

        foreach my $i ( 0 .. $#numbers ) {
                my $n = $numbers[$i];

                my $start = 0;
                foreach my $r ( @ranges ) {
                        if ( $n < $r ) {
                                $dump[$i]->{ $name . '_range' } =  $start . '-' . $r;
                                last;
                        }
                        $start = $r;
                }
        }
}


while (<$csv_fh>) {
    $csv_parser->parse($_);
    my @fields = $csv_parser->fields;

        if ( $first_line_labels && $. == 1 ) {
                @labels = @fields;
                next;
        }

        my $h;
        foreach my $i ( 0 .. $#fields ) {
                my $l = $labels[$i];
                die "no label for field $i '$fields[$i]'" unless $l;

                my $v = clean( $fields[$i] );
                # FIXME reject some values?

                $h->{ $l } = $v;

                if ( my $split = $split_fields->{$l} ) {
                        confess "expected CODE for \$split_files->{$l}" unless ref($split) eq 'CODE';

                        my @sv = $split->( $v );

#                       warn "sv = ",dump( @sv );

                        foreach my $j ( 0 .. $#sv ) {

                                my $v = clean( $sv[$j] );

                                if ( my $human = human( $v ) ) {
                                        $h->{ $l . '_' . $j . '_human' } = $human;
                                } else {
                                        $h->{ $l . '_' . $j } = $v;
                                }

                                $split_stats->{$v}->{pos}->{$j}++;
                                $split_stats->{$v}->{sum}++;
                                push @{ $split_stats->{$v}->{rec}->{$#dump + 1} }, $j;
                        }
                }
        }
    warn "\nRecord #$. ",dump($h),"\n";

        my $id = $h->{id};

        if ( ! defined($id) || $id eq '' ) {
                warn "## skipped: $_";
                next;
        }

        my $url = "http://www.links.hr/photo/big/$id.jpg";
        my $img_thumb_path = "$img_path/t/$id.jpg";
        my $img_orig_path = "$img_path/$id.jpg";

        if ( mirror( $url, $img_orig_path ) != RC_NOT_MODIFIED ) {
                warn "$url -> $img_orig_path\n";
        }
        system('convert', '-geometry', '320x200', $img_orig_path, $img_thumb_path ) if ! -e $img_thumb_path;

        $h->{'image-url'} = $img_orig_path;
        $h->{'image-thumb-url'} = $img_thumb_path;

        push @dump, $h;
}

close $csv_fh;

foreach my $v ( keys %$split_stats ) {

        if ( $split_stats->{$v}->{sum} == 1 ) {
                delete( $split_stats->{$v} );
                next;
        }

        foreach my $i ( keys %{ $split_stats->{$v}->{rec} } ) {
                push @{ $dump[ $i ]->{feature} }, $v;
        }
}

warn "split_stats = ", dump( $split_stats ), "\n";

#
# split prefix from label_0
#
my @stripped = strip_prefix( map { $_->{label_0} } @dump );
$dump[$_]->{label_0} = $stripped[$_] foreach ( 0 .. $#stripped );

# group products by manufacturers
group_by( qw/manufacturer player_name/, sub { $_[0] =~ m/^(\S+)\s+(.+)/; ($1,$2) }, @stripped );

# create price ranges
numeric_range( 'gotovina', 5 );

warn "dump = ", dump( @dump ), "\n";

print "features: .", join(', .', keys %$split_stats), "\n";

my $js_path = $csv_path;
$js_path =~ s/\.csv/.js/gi;

open my $fh, '>', $js_path || die "can't open $js_path: $!";
print $fh JSON::Syck::Dump( { items => \@dump } );
close $fh;

1	dpavlin	1	#!/usr/bin/perl
2
3			use warnings;
4			use strict;
5
6			use Text::CSV_XS;
7			use Text::CSV::Separator qw(get_separator);
8			use Carp qw/confess/;
9			use LWP::Simple;
10	dpavlin	5	use Number::Bytes::Human qw/format_bytes/;
11	dpavlin	1
12			use JSON::Syck;
13			use Data::Dump qw/dump/;
14
15			$\|++;
16
17			my $csv_path = 'links.csv';
18			my $img_path = 'img';
19			my $first_line_labels = 1;
20			my $split_fields = {
21			label => sub { return split(/,\s*/,$_[0]) },
22			};
23
24			my @char_list = get_separator( path => $csv_path );
25
26			my $separator;
27			if (@char_list) {
28			if (@char_list == 1) {
29			$separator = $char_list[0];
30			} else {
31			$separator = $char_list[0];
32			}
33			} else {
34			die "Couldn't detect the field separator.\n";
35			}
36
37			warn "Separator: $separator\n";
38
39			my $csv_parser = Text::CSV_XS->new({
40			sep_char => $separator,
41			# binary => '1',
42			# always_quote => '1'
43			});
44
45			open my $csv_fh, '<', $csv_path;
46
47			my @dump;
48
49			my @labels;
50
51			my $split_stats;
52
53			my $multiplier = {
54			kb => 1024,
55	dpavlin	5	mb => 1024 * 1024,
56	dpavlin	1	gb => 1024 * 1024 * 1024,
57			};
58
59			my $multiplier_regex = join('\|',keys %$multiplier);
60
61			sub clean {
62			my @out;
63			foreach my $l ( @_ ) {
64			my $o = $l;
65			$l =~ s/^(['"])(.*)\1/$2/;
66			$l =~ s/^\s+//s;
67			$l =~ s/\s+$//s;
68			push @out, $l;
69			warn "clean '$o' -> '$l'\n" if ( $o ne $l );
70			}
71			return @out if wantarray;
72			return shift @out;
73			}
74
75	dpavlin	5	sub human {
76			my $s = shift;
77
78	dpavlin	7	if ( $s =~ m/^\s(\d+)\s($multiplier_regex)\s*$/i) {
79	dpavlin	5	my ( $v, $m ) = ( $1, lc($2) );
80			my $factor = $multiplier->{$m};
81			confess "can't find multiplier $m" unless defined $factor;
82			my $new = format_bytes( $v * $factor, bs => 1024 );
83			warn "## [$s] $v * $factor ($m) -> $new\n";
84			return $new;
85			}
86			return;
87			}
88
89	dpavlin	7	sub strip_prefix {
90			my @data = @_;
91			my $prefix = shift @data;
92
93			my $p;
94
95			foreach my $d ( @data ) {
96			my $chomp = length($prefix);
97			# find end of common string
98			$chomp-- while(
99			lc(substr( $prefix, 0, $chomp )) ne lc(substr( $d, 0, $chomp ))
100			&&
101			$chomp > 0
102			);
103			if ( $chomp == 0 ) {
104			warn "no common prefix in ",dump( @_ );
105			return @_;
106			}
107
108			my $prefix = substr( $prefix, 0, $chomp );
109			$p->{$prefix}++;
110			}
111			warn "prefixes found = ",dump($p);
112			my @sorted = sort { $p->{$b} <=> $p->{$a} } keys %$p;
113			my $strip = shift @sorted \|\| return @_;
114	dpavlin	8	warn "longest prefix: '$strip' (stripped)\n";
115	dpavlin	7	return map { my $v = $_; $v =~ s/^\Q$strip\E//i; $v; } @_;
116			}
117
118	dpavlin	8	sub group_by {
119			my ( $group, $detail ) = ( shift, shift );
120			my $what = shift;
121			confess "expected CODE as first argument!" unless ref($what) eq 'CODE';
122			my @data = @_;
123
124			my $stat;
125			my @details;
126
127			foreach my $i ( 0 .. $#data ) {
128			my $v = $data[$i];
129			my ( $by, $rest ) = $what->($v);
130			# warn "## group_by: $i $v -> $by\n";
131			push @{ $stat->{$by} }, $i;
132			$details[$i] = $rest;
133			}
134
135			warn "group_by '$group' stats = ",dump( $stat );
136
137			foreach my $g ( keys %$stat ) {
138			foreach my $r ( @{ $stat->{$g} } ) {
139			warn "## $group $g $r\n";
140			$dump[$r]->{$group} = $g;
141			$dump[$r]->{$detail} = $details[$r];
142			}
143			}
144			}
145
146	dpavlin	12	sub number {
147			my $v = shift;
148			if ( $v =~ m/^([\d.]+),(\d+)$/) {
149			my ( $i, $f ) = ( $1, $2 );
150			$i =~ s/\.//g;
151			my $new = ( $i . '.' . $f ) + 0;
152			warn "## number $v -> $new\n";
153			return $new;
154			}
155			return $v;
156			}
157
158			sub numeric_range {
159			my ( $name, $groups ) = ( shift, shift );
160
161			my $min;
162			my $max;
163
164			my @numbers;
165
166			foreach my $i ( 0 .. $#dump ) {
167			my $v = number( $dump[$i]->{$name} );
168			die "element $i doesn't have $name in ",dump( $dump[$i] ) unless defined $v;
169
170			$min \|\|= $v;
171			$max \|\|= $v;
172
173			$min = $v if $v < $min;
174			$max = $v if $v > $max;
175
176			push @numbers, $v;
177			}
178
179			sub round {
180			my $v = number( shift );
181			my $step = shift \|\| 10;
182			my $f = 1;
183			while ( $v > $step ) {
184			$f *= $step;
185			$v /= $step;
186			}
187			my $new = int($v) * $f;
188			warn "## round step: $step v: $v f: $f => $new\n";
189			return $new;
190			}
191
192			my $range = $max - $min;
193			my $step = $range / $groups;
194
195			warn "## numeric_range $min - $max / $step step into $groups groups\n";
196
197			$step = round($step);
198			$min = round($min);
199			$max = round($max, $step) + $step;
200
201			my @ranges;
202			my $v = $min;
203			while ( $v <= $max ) {
204			push @ranges, $v;
205			$v += $step;
206			}
207
208			warn "## round $min - $max / $step produced ranges: ",dump( @ranges ),"\n";
209
210			my $usage;
211
212			foreach my $i ( 0 .. $#numbers ) {
213			my $n = $numbers[$i];
214
215			my $start = 0;
216			foreach my $r ( @ranges ) {
217			if ( $n < $r ) {
218			$dump[$i]->{ $name . '_range' } = $start . '-' . $r;
219			last;
220			}
221			$start = $r;
222			}
223			}
224			}
225
226
227	dpavlin	1	while (<$csv_fh>) {
228			$csv_parser->parse($_);
229			my @fields = $csv_parser->fields;
230
231			if ( $first_line_labels && $. == 1 ) {
232			@labels = @fields;
233			next;
234			}
235
236			my $h;
237			foreach my $i ( 0 .. $#fields ) {
238			my $l = $labels[$i];
239			die "no label for field $i '$fields[$i]'" unless $l;
240
241			my $v = clean( $fields[$i] );
242			# FIXME reject some values?
243
244			$h->{ $l } = $v;
245
246			if ( my $split = $split_fields->{$l} ) {
247			confess "expected CODE for \$split_files->{$l}" unless ref($split) eq 'CODE';
248
249			my @sv = $split->( $v );
250
251			# warn "sv = ",dump( @sv );
252
253			foreach my $j ( 0 .. $#sv ) {
254
255			my $v = clean( $sv[$j] );
256
257	dpavlin	5	if ( my $human = human( $v ) ) {
258			$h->{ $l . '_' . $j . '_human' } = $human;
259			} else {
260			$h->{ $l . '_' . $j } = $v;
261	dpavlin	1	}
262
263	dpavlin	7	$split_stats->{$v}->{pos}->{$j}++;
264	dpavlin	1	$split_stats->{$v}->{sum}++;
265			push @{ $split_stats->{$v}->{rec}->{$#dump + 1} }, $j;
266			}
267			}
268			}
269			warn "\nRecord #$. ",dump($h),"\n";
270
271			my $id = $h->{id};
272
273			if ( ! defined($id) \|\| $id eq '' ) {
274			warn "## skipped: $_";
275			next;
276			}
277
278			my $url = "http://www.links.hr/photo/big/$id.jpg";
279			my $img_thumb_path = "$img_path/t/$id.jpg";
280			my $img_orig_path = "$img_path/$id.jpg";
281
282			if ( mirror( $url, $img_orig_path ) != RC_NOT_MODIFIED ) {
283			warn "$url -> $img_orig_path\n";
284			}
285	dpavlin	2	system('convert', '-geometry', '320x200', $img_orig_path, $img_thumb_path ) if ! -e $img_thumb_path;
286	dpavlin	1
287			$h->{'image-url'} = $img_orig_path;
288			$h->{'image-thumb-url'} = $img_thumb_path;
289
290			push @dump, $h;
291			}
292
293			close $csv_fh;
294
295			foreach my $v ( keys %$split_stats ) {
296
297			if ( $split_stats->{$v}->{sum} == 1 ) {
298			delete( $split_stats->{$v} );
299			next;
300			}
301
302			foreach my $i ( keys %{ $split_stats->{$v}->{rec} } ) {
303			push @{ $dump[ $i ]->{feature} }, $v;
304			}
305			}
306
307	dpavlin	7	warn "split_stats = ", dump( $split_stats ), "\n";
308	dpavlin	1
309	dpavlin	8	#
310			# split prefix from label_0
311			#
312	dpavlin	12	my @stripped = strip_prefix( map { $_->{label_0} } @dump );
313	dpavlin	7	$dump[$_]->{label_0} = $stripped[$_] foreach ( 0 .. $#stripped );
314
315	dpavlin	8	# group products by manufacturers
316			group_by( qw/manufacturer player_name/, sub { $_[0] =~ m/^(\S+)\s+(.+)/; ($1,$2) }, @stripped );
317
318	dpavlin	12	# create price ranges
319			numeric_range( 'gotovina', 5 );
320
321	dpavlin	1	warn "dump = ", dump( @dump ), "\n";
322
323			print "features: .", join(', .', keys %$split_stats), "\n";
324
325			my $js_path = $csv_path;
326			$js_path =~ s/\.csv/.js/gi;
327
328			open my $fh, '>', $js_path \|\| die "can't open $js_path: $!";
329			print $fh JSON::Syck::Dump( { items => \@dump } );
330			close $fh;
331