ND/Web/Pages/Graph.pm

   1 #**************************************************************************
   2 #   Copyright (C) 2006 by Michael Andreen <harvATruinDOTnu>               *
   3 #                                                                         *
   4 #   This program is free software; you can redistribute it and/or modify  *
   5 #   it under the terms of the GNU General Public License as published by  *
   6 #   the Free Software Foundation; either version 2 of the License, or     *
   7 #   (at your option) any later version.                                   *
   8 #                                                                         *
   9 #   This program is distributed in the hope that it will be useful,       *
  10 #   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12 #   GNU General Public License for more details.                          *
  13 #                                                                         *
  14 #   You should have received a copy of the GNU General Public License     *
  15 #   along with this program; if not, write to the                         *
  16 #   Free Software Foundation, Inc.,                                       *
  17 #   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  18 #**************************************************************************/
  19
  20 package ND::Web::Pages::Graph;
  21 use strict;
  22 use warnings FATAL => 'all';
  23 use CGI qw/:standard/;
  24 use ND::Include;
  25 use GD::Graph::lines;
  26
  27 $ND::PAGES{graph} = {parse => \&parse, process => \&process, render=> \&render};
  28
  29 sub parse {
  30         my ($uri) = @_;
  31         $ND::USETEMPLATE = 0;
  32 }
  33
  34 sub process {
  35
  36 }
  37
  38 sub render {
  39         my ($DBH,$uri) = @_;
  40
  41         my $type;
  42         my ($x,$y,$z);
  43         if ($uri =~ m{^/\w+/(stats|ranks)/(.*)}){
  44                 $type = $1;
  45                 if ($2 =~ m{(\d+)(?: |:)(\d+)(?:(?: |:)(\d+))(?: |:(\d+))?$}){
  46                         $x = $1;
  47                         $y = $2;
  48                         $z = $3;
  49                 }
  50         }
  51
  52         die "Not a proper type" unless defined $type;
  53
  54         my %graph_settings = (
  55                 line_width => 2,
  56                 y_number_format => sub { prettyValue abs $_[0]},
  57                 legend_placement => 'BL',
  58                 #x_label => 'tick',
  59                 y_label => '',
  60                 x_label_skip => 50,
  61                 x_tick_offset => 13,
  62                 zero_axis => 1,
  63                 box_axis => 0,
  64                 boxclr => 'black',
  65                 axislabelclr => 'black',
  66                 title => $type,
  67                 y1_label => 'size',
  68                 y2_label => 'rest',
  69
  70
  71         );
  72
  73         my $findGraph;
  74         if (defined $z){
  75                 $findGraph = $DBH->prepare(q{SELECT graph FROM planet_graphs WHERE planet = planetid($1,$2,$3,$4) AND tick = $4 AND type = $5});
  76                 $findGraph->execute($x,$y,$z,$ND::TICK,$type) or die $DBH->errstr;
  77         }
  78
  79         my $img;
  80         if (defined $findGraph and my $graph = $findGraph->fetchrow_hashref){
  81                 $img = $graph->{graph};
  82         }elsif(defined $z){
  83                 my $planets = $DBH->prepare(q{SELECT id, tick,size,coords(x,y,z),score,size,value,xp,scorerank,sizerank,valuerank,xprank from planets natural join planet_stats where id = planetid($1,$2,$3,$4) ORDER BY tick ASC});
  84                 $planets->execute($x,$y,$z,$ND::TICK) or die $DBH->errstr;
  85
  86                 my @score;
  87                 my @size;
  88                 my @value;
  89                 my @xp;
  90                 my @ticks;
  91
  92                 while (my $tick = $planets->fetchrow_hashref){
  93                         push @ticks,$tick->{tick};
  94                         if ($type eq 'stats'){
  95                                 push @score,$tick->{score};
  96                                 push @size,$tick->{size};
  97                                 push @value,$tick->{value};
  98                                 push @xp,$tick->{xp}*60;
  99                         }elsif($type eq 'ranks'){
 100                                 push @score,-$tick->{scorerank};
 101                                 push @size,-$tick->{sizerank};
 102                                 push @value,-$tick->{valuerank};
 103                                 push @xp,-$tick->{xprank};
 104                         }
 105
 106                 }
 107                 my $graph = GD::Graph::lines->new(500,300);
 108                 if ($type eq 'stats'){
 109                         $graph->set_legend(qw{score size value xp*60}) or die $graph->error;
 110                         $graph_settings{two_axes} = 1;
 111                         $graph_settings{use_axis} = [2,1,2,2];
 112                 }elsif($type eq 'ranks'){
 113                         $graph->set_legend(qw{score size value xp}) or die $graph->error;
 114                         $graph_settings{y_max_value} = 0;
 115                         $graph_settings{two_axes} = 1;
 116                         $graph_settings{use_axis} = [2,1,2,2];
 117                 }
 118                 $graph->set(%graph_settings);
 119                 my $gd = $graph->plot([\@ticks,\@score,\@size,\@value,\@xp]) or die $graph->error;
 120                 $img = $gd->png;
 121         }
 122
 123         die 'no image' unless defined $img;
 124
 125         print header(-type=> 'image/png', -Content_Length => length $img);
 126         binmode STDOUT;
 127         print $img;
 128 }
 129
 130 1;