yarrg/web/routetrade

   1 <%doc>
   2
   3  This is part of the YARRG website.  YARRG is a tool and website
   4  for assisting players of Yohoho Puzzle Pirates.
   5
   6  Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
   7  Copyright (C) 2009 Clare Boothby
   8
   9   YARRG's client code etc. is covered by the ordinary GNU GPL (v3 or later).
  10   The YARRG website is covered by the GNU Affero GPL v3 or later, which
  11    basically means that every installation of the website will let you
  12    download the source.
  13
  14  This program is free software: you can redistribute it and/or modify
  15  it under the terms of the GNU Affero General Public License as
  16  published by the Free Software Foundation, either version 3 of the
  17  License, or (at your option) any later version.
  18
  19  This program is distributed in the hope that it will be useful,
  20  but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  GNU Affero General Public License for more details.
  23
  24  You should have received a copy of the GNU Affero General Public License
  25  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  26
  27  Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
  28  are used without permission.  This program is not endorsed or
  29  sponsored by Three Rings.
  30
  31
  32  This Mason component is the core trade planner for a specific route.
  33
  34
  35 </%doc>
  36 <%args>
  37 $dbh
  38 @islandids
  39 @archipelagoes
  40 $qa
  41 $routeparams
  42 </%args>
  43 <& query_age:pageload &>
  44
  45 <%perl>
  46
  47 my $loss_per_league= defined $routeparams->{LossPerLeaguePct}
  48         ? $routeparams->{LossPerLeaguePct}*0.01 : 1e-7;
  49 my $loss_per_delay_slot= 1e-8;
  50
  51 my $now= time;
  52
  53 my @flow_conds;
  54 my @query_params;
  55 my %dists;
  56 my $expected_total_profit;
  57
  58 my $sd_condition= sub {
  59         my ($bs, $ix) = @_;
  60         my $islandid= $islandids[$ix];
  61         if (defined $islandid) {
  62                 return "${bs}.islandid = $islandid";
  63         } else {
  64                 push @query_params, $archipelagoes[$ix];
  65                 return "${bs}_islands.archipelago = ?";
  66         }
  67 };
  68
  69 my $specific= !grep { !defined $_ } @islandids;
  70
  71 my %ipair2subflowinfs;
  72 # $ipair2subflowinfs{$orgi,$dsti}= [ [$orgix,$distix], ... ]
  73
  74 my @subflows;
  75 # $subflows[0]{Flow} = { ... }
  76 # $subflows[0]{Org} = $orgix
  77 # $subflows[0]{Dst} = $dstix
  78
  79 foreach my $org_i (0..$#islandids) {
  80         my $org_isle= $islandids[$org_i];
  81         my $org_cond= $sd_condition->('sell',$org_i);
  82         my @dst_conds;
  83         foreach my $dst_i ($org_i..$#islandids) {
  84                 my $dst_isle= $islandids[$dst_i];
  85                 # Don't ever consider sailing things round the houses:
  86                 next if defined $dst_isle and
  87                         grep { $dst_isle == $_ } @islandids[$org_i..$dst_i-1];
  88                 next if defined $org_isle and
  89                         grep { $org_isle == $_ } @islandids[$org_i+1..$dst_i];
  90                 my $dst_cond;
  91                 if ($dst_i==$org_i and !defined $org_isle) {
  92                         # we always want arbitrage, but mentioning an arch
  93                         # once shouldn't produce intra-arch trades
  94                         $dst_cond= "sell.islandid = buy.islandid";
  95                 } else {
  96                         $dst_cond= $sd_condition->('buy',$dst_i);
  97                 }
  98                 push @dst_conds, $dst_cond;
  99
 100                 if ($specific) {
 101                         push @{ $ipair2subflowinfs{$org_isle,$dst_isle} },
 102                                 [ $org_i, $dst_i ];
 103                 }
 104         }
 105         push @flow_conds, "$org_cond AND (
 106                         ".join("
 107                      OR ",@dst_conds)."
 108                 )";
 109 }
 110
 111 my $stmt= "
 112         SELECT  sell_islands.islandname                         org_name,
 113                 sell_islands.islandid                           org_id,
 114                 sell.price                                      org_price,
 115                 sell.qty                                        org_qty_stall,
 116                 sell_stalls.stallname                           org_stallname,
 117                 sell.stallid                                    org_stallid,
 118                 sell_uploads.timestamp                          org_timestamp,
 119                 buy_islands.islandname                          dst_name,
 120                 buy_islands.islandid                            dst_id,
 121                 buy.price                                       dst_price,
 122                 buy.qty                                         dst_qty_stall,
 123                 buy_stalls.stallname                            dst_stallname,
 124                 buy.stallid                                     dst_stallid,
 125                 buy_uploads.timestamp                           dst_timestamp,
 126 ".($qa->{ShowStalls} ? "
 127                 sell.qty                                        org_qty_agg,
 128                 buy.qty                                         dst_qty_agg,
 129 " : "
 130                 (SELECT sum(qty) FROM sell AS sell_agg
 131                   WHERE sell_agg.commodid = commods.commodid
 132                   AND   sell_agg.islandid = sell.islandid
 133                   AND   sell_agg.price = sell.price)            org_qty_agg,
 134                 (SELECT sum(qty) FROM buy AS buy_agg
 135                   WHERE buy_agg.commodid = commods.commodid
 136                   AND   buy_agg.islandid = buy.islandid
 137                   AND   buy_agg.price = buy.price)              dst_qty_agg,
 138 ")."
 139                 commods.commodname                              commodname,
 140                 commods.commodid                                commodid,
 141                 commods.unitmass                                unitmass,
 142                 commods.unitvolume                              unitvolume,
 143                 commods.ordval                                  ordval,
 144                 commods.posinclass                              posinclass,
 145                 commods.commodclassid                           commodclassid,
 146                 dist                                            dist,
 147                 buy.price - sell.price                          unitprofit
 148         FROM commods
 149         JOIN sell ON commods.commodid = sell.commodid
 150         JOIN buy  ON commods.commodid = buy.commodid
 151         JOIN islands AS sell_islands ON sell.islandid = sell_islands.islandid
 152         JOIN islands AS buy_islands  ON buy.islandid  = buy_islands.islandid
 153         JOIN uploads AS sell_uploads ON sell.islandid = sell_uploads.islandid
 154         JOIN uploads AS buy_uploads  ON buy.islandid  = buy_uploads.islandid
 155         JOIN stalls  AS sell_stalls  ON sell.stallid  = sell_stalls.stallid
 156         JOIN stalls  AS buy_stalls   ON buy.stallid   = buy_stalls.stallid
 157         JOIN dists ON aiid = sell.islandid AND biid = buy.islandid
 158         WHERE   (
 159                 ".join("
 160            OR   ", @flow_conds)."
 161         )
 162           AND   buy.price > sell.price
 163         ORDER BY org_name, dst_name, commodname, unitprofit DESC,
 164                  org_price, dst_price DESC,
 165                  org_stallname, dst_stallname
 166      ";
 167
 168 my $sth= $dbh->prepare($stmt);
 169 $sth->execute(@query_params);
 170 my @flows;
 171
 172 my $distquery= $dbh->prepare("
 173                 SELECT dist FROM dists WHERE aiid = ? AND biid = ?
 174                 ");
 175 my $distance= sub {
 176         my ($from,$to)= @_;
 177         my $d= $dists{$from}{$to};
 178         return $d if defined $d;
 179         $distquery->execute($from,$to);
 180         $d = $distquery->fetchrow_array();
 181         defined $d or die "$from $to ?";
 182         $dists{$from}{$to}= $d;
 183         return $d;
 184 };
 185
 186 my @cols= ({ NoSort => 1 });
 187
 188 my $addcols= sub {
 189         my $base= shift @_;
 190         foreach my $name (@_) {
 191                 my $col= { Name => $name, %$base };
 192                 $col->{Numeric}=1 if !$col->{Text};
 193                 push @cols, $col;
 194         }
 195 };
 196
 197 if ($qa->{ShowStalls}) {
 198         $addcols->({ Text => 1 }, qw(
 199                 org_name org_stallname
 200                 dst_name dst_stallname
 201         ));
 202 } else {
 203         $addcols->({Text => 1 }, qw(
 204                 org_name dst_name
 205         ));
 206 }
 207 $addcols->({ Text => 1 }, qw(commodname));
 208 $addcols->({ DoReverse => 1 },
 209         qw(     org_price org_qty_agg dst_price dst_qty_agg
 210         ));
 211 $addcols->({ DoReverse => 1, SortColKey => 'MarginSortKey' },
 212         qw(     Margin
 213         ));
 214 $addcols->({ DoReverse => 1 },
 215         qw(     unitprofit MaxQty MaxCapital MaxProfit dist
 216         ));
 217 foreach my $v (qw(MaxMass MaxVolume)) {
 218    $addcols->({
 219         DoReverse => 1, Total => 0, SortColKey => "${v}SortKey" }, $v);
 220 }
 221
 222 </%perl>
 223
 224 % if ($qa->{'debug'}) {
 225 <pre>
 226 <% $stmt |h %>
 227 <% join(' | ',@query_params) |h %>
 228 </pre>
 229 % }
 230
 231 <& dumptable:start, qa => $qa, sth => $sth &>
 232 % {
 233 %   my $got;
 234 %   while ($got= $sth->fetchrow_hashref()) {
 235 <%perl>
 236
 237         my $f= $flows[$#flows];
 238         if (    !$f ||
 239                 $qa->{ShowStalls} ||
 240                 grep { $f->{$_} ne $got->{$_} }
 241                         qw(org_id org_price dst_id dst_price commodid)
 242         ) {
 243                 # Make a new flow rather than adding to the existing one
 244
 245                 $f= {
 246                         Ix => scalar(@flows),
 247                         %$got
 248                 };
 249                 $f->{"org_stallid"}= $f->{"dst_stallid"}= 'all'
 250                         if !$qa->{ShowStalls};
 251                 push @flows, $f;
 252         }
 253         foreach my $od (qw(org dst)) {
 254                 $f->{"${od}Stalls"}{
 255                         $got->{"${od}_stallname"}
 256                     } =
 257                         $got->{"${od}_qty_stall"}
 258                     ;
 259         }
 260
 261 </%perl>
 262 <& dumptable:row, qa => $qa, sth => $sth, row => $f &>
 263 %    }
 264 <& dumptable:end, qa => $qa &>
 265 % }
 266
 267 % if (@islandids==1) {
 268 %       if (defined $islandids[0]) {
 269 Searched for arbitrage trades only.
 270 %       } else {
 271 Searched for arbitrage trades only, in <% $archipelagoes[0] |h %>
 272 <a href="docs#arbitrage">[?]</a>.
 273 %       }
 274 % }
 275
 276 <%perl>
 277
 278 my @sail_total;
 279
 280 if (!@flows) {
 281         print 'No profitable trading opportunities were found.';
 282         return;
 283 }
 284
 285 foreach my $f (@flows) {
 286
 287         $f->{MaxQty}= $f->{'org_qty_agg'} < $f->{'dst_qty_agg'}
 288                 ? $f->{'org_qty_agg'} : $f->{'dst_qty_agg'};
 289         $f->{MaxProfit}= $f->{MaxQty} * $f->{'unitprofit'};
 290         $f->{MaxCapital}= $f->{MaxQty} * $f->{'org_price'};
 291
 292         $f->{MaxMassSortKey}= $f->{MaxQty} * $f->{'unitmass'};
 293         $f->{MaxVolumeSortKey}= $f->{MaxQty} * $f->{'unitvolume'};
 294         foreach my $v (qw(Mass Volume)) {
 295                 $f->{"Max$v"}= sprintf "%.1f", $f->{"Max${v}SortKey"} * 1e-6;
 296         }
 297
 298         $f->{MarginSortKey}= sprintf "%d",
 299                 $f->{'dst_price'} * 10000 / $f->{'org_price'};
 300         $f->{Margin}= sprintf "%3.1f%%",
 301                 $f->{'dst_price'} * 100.0 / $f->{'org_price'} - 100.0;
 302
 303         $f->{ExpectedUnitProfit}=
 304                 $f->{'dst_price'} * (1.0 - $loss_per_league) ** $f->{'dist'}
 305                 - $f->{'org_price'};
 306
 307         $dists{'org_id'}{'dst_id'}= $f->{'dist'};
 308
 309         my @uid= $f->{commodid};
 310         foreach my $od (qw(org dst)) {
 311                 push @uid,
 312                         $f->{"${od}_id"},
 313                         $f->{"${od}_price"};
 314                 push @uid,
 315                         $f->{"${od}_stallid"}
 316                                 if $qa->{ShowStalls};
 317         }
 318         $f->{UidLong}= join '_', @uid;
 319
 320         my $base= 31;
 321         my $cmpu= '';
 322         map {
 323                 my $uue= $_;
 324                 my $first= $base;
 325                 do {
 326                         my $this= $uue % $base;
 327 #print STDERR "uue=$uue this=$this ";
 328                         $uue -= $this;
 329                         $uue /= $base;
 330                         $this += $first;
 331                         $first= 0;
 332                         $cmpu .= chr($this + ($this < 26 ? ord('a') :
 333                                               $this < 52 ? ord('A')-26
 334                                                          : ord('0')-52));
 335 #print STDERR " uue=$uue this=$this cmpu=$cmpu\n";
 336                         die "$cmpu $uue ?" if length $cmpu > 20;
 337                 } while ($uue);
 338                 $cmpu;
 339         } @uid;
 340         $f->{UidShort}= $cmpu;
 341
 342         if ($qa->{'debug'}) {
 343                 my @outuid;
 344                 $_= $f->{UidShort};
 345                 my $mul;
 346                 while (m/./) {
 347                         my $v= m/^[a-z]/ ? ord($&)-ord('a') :
 348                                m/^[A-Z]/ ? ord($&)-ord('A')+26 :
 349                                m/^[0-9]/ ? ord($&)-ord('0')+52 :
 350                                die "$_ ?";
 351                         if ($v >= $base) {
 352                                 push @outuid, 0;
 353                                 $v -= $base;
 354                                 $mul= 1;
 355 #print STDERR "(next)\n";
 356                         }
 357                         die "$f->{UidShort} $_ ?" unless defined $mul;
 358                         $outuid[$#outuid] += $v * $mul;
 359
 360 #print STDERR "$f->{UidShort}  $_  $&  v=$v  mul=$mul  ord()=".ord($&).
 361 #                       "[vs.".ord('a').",".ord('A').",".ord('0')."]".
 362 #                       "  outuid=@outuid\n";
 363
 364                         $mul *= $base;
 365                         s/^.//;
 366                 }
 367                 my $recons_long= join '_', @outuid;
 368                 $f->{UidLong} eq $recons_long or
 369                         die "$f->{UidLong} = $f->{UidShort} = $recons_long ?";
 370         }
 371
 372         if (defined $qa->{"R$f->{UidShort}"} &&
 373             !defined $qa->{"T$f->{UidShort}"}) {
 374                 $f->{Suppress}= 1;
 375         } else {
 376                 my $sfis= $ipair2subflowinfs{$f->{'org_id'},$f->{'dst_id'}};
 377                 foreach my $sfi (@$sfis) {
 378                         my $subflow= {
 379                                 Flow => $f,
 380                                 Org => $sfi->[0],
 381                                 Dst => $sfi->[1],
 382                                 Var => sprintf "f%ss%s_c%d_p%d_%d_p%d_%d",
 383                                         $f->{Ix}, $sfi->[0],
 384                                         $f->{'commodid'},
 385                                         $sfi->[0], $f->{'org_price'},
 386                                         $sfi->[1], $f->{'dst_price'}
 387                         };
 388                         push @{ $f->{Subflows} }, $subflow;
 389                         push @subflows, $subflow;
 390                 }
 391         }
 392 }
 393 </%perl>
 394
 395 % my $optimise= $specific;
 396 % if (!$optimise) {
 397
 398 <p>
 399 % if (!$specific) {
 400 Route contains archipelago(es), not just specific islands.
 401 % }
 402 Therefore, optimal voyage trade plan not calculated.
 403
 404 % } else { # ========== OPTMISATION ==========
 405 <%perl>
 406
 407 my $cplex= "
 408 Maximize
 409
 410   totalprofit:
 411 ";
 412
 413 foreach my $sf (@subflows) {
 414         my $eup= $sf->{Flow}{ExpectedUnitProfit};
 415         $eup *= (1.0-$loss_per_delay_slot) ** $sf->{Org};
 416         $cplex .= sprintf "
 417                 %+.20f %s", $eup, $sf->{Var};
 418 }
 419 $cplex .= "
 420
 421 Subject To
 422 ";
 423
 424 my %avail_lims;
 425 foreach my $flow (@flows) {
 426         next if $flow->{Suppress};
 427         foreach my $od (qw(org dst)) {
 428                 my $limname= join '_', (
 429                         $od,
 430                         'i'.$flow->{"${od}_id"},
 431                         'c'.$flow->{'commodid'},
 432                         $flow->{"${od}_price"},
 433                         $flow->{"${od}_stallid"},
 434                 );
 435
 436                 push @{ $avail_lims{$limname}{SubflowVars} },
 437                         map { $_->{Var} } @{ $flow->{Subflows} };
 438                 $avail_lims{$limname}{Qty}= $flow->{"${od}_qty_agg"};
 439         }
 440 }
 441 foreach my $limname (sort keys %avail_lims) {
 442         my $c= $avail_lims{$limname};
 443         $cplex .=
 444                 sprintf("    %-30s","$limname:")." ".
 445                         join("+", @{ $c->{SubflowVars} }).
 446                         " <= ".$c->{Qty}."\n";
 447 }
 448
 449 foreach my $ci (0..($#islandids-1)) {
 450         my @rel_subflows;
 451
 452         foreach my $f (@flows) {
 453                 next if $f->{Suppress};
 454                 my @relsubflow= grep {
 455                         $_->{Org} <= $ci &&
 456                         $_->{Dst} > $ci;
 457                 } @{ $f->{Subflows} };
 458                 next unless @relsubflow;
 459                 die unless @relsubflow == 1;
 460                 push @rel_subflows, @relsubflow;
 461 #print " RELEVANT $ci $relsubflow[0]->{Var} ";
 462         }
 463 #print " RELEVANT $ci COUNT ".scalar(@rel_subflows)."  ";
 464         if (!@rel_subflows) {
 465                 foreach my $mv (qw(mass volume)) {
 466                         $sail_total[$ci]{$mv}= 0;
 467                 }
 468                 next;
 469         }
 470
 471         my $applylimit= sub {
 472                 my ($mv, $f2val) = @_;
 473                 my $max= $routeparams->{"Max".ucfirst $mv};
 474                 $max= 1e9 unless defined $max;
 475 #print " DEFINED MAX $mv $max ";
 476                 $cplex .= "
 477    ". sprintf("%-10s","${mv}_$ci:")." ".
 478                 join(" + ", map {
 479 #print " PART MAX $_->{Var} $_->{Flow}{Ix} ";
 480                         $f2val->($_->{Flow}) .' '. $_->{Var};
 481                 } @rel_subflows).
 482                 " <= $max";
 483         };
 484
 485         $applylimit->('mass',    sub { $_[0]{'unitmass'}  *1e-3 });
 486         $applylimit->('volume',  sub { $_[0]{'unitvolume'}*1e-3 });
 487         $applylimit->('capital', sub { $_[0]{'org_price'}       });
 488         $cplex.= "\n";
 489 }
 490
 491 $cplex.= "
 492 Bounds
 493         ".(join "
 494         ", map { "$_->{Var} >= 0" } @subflows)."
 495
 496 ";
 497
 498 $cplex.= "
 499 Integer
 500         ".(join "
 501         ", map { $_->{Var} } @subflows)."
 502
 503 End
 504 ";
 505
 506 if ($qa->{'debug'}) {
 507 </%perl>
 508 <pre>
 509 <% $cplex |h %>
 510 </pre>
 511 <%perl>
 512 }
 513
 514 {
 515         my $input= pipethrough_prep();
 516         print $input $cplex or die $!;
 517         my $output= pipethrough_run_along($input, undef, 'glpsol',
 518                 qw(glpsol --tmlim 2 --memlim 5 --intopt --cuts --bfs
 519                           --cpxlp /dev/stdin -o /dev/stdout));
 520         print "<pre>\n" if $qa->{'debug'};
 521         my $found_section= 0;
 522         my $glpsol_out= '';
 523         my $continuation='';
 524         while (<$output>) {
 525                 $glpsol_out.= $_;
 526                 print encode_entities($_) if $qa->{'debug'};
 527                 if (m/^\s*No\.\s+(Row|Column) name\s+(?:St\s+)?Activity\s/) {
 528                         die "$_ $found_section ?" if $found_section>0;
 529                         $found_section= 1;
 530                         next;
 531                 }
 532                 if (m/^Objective:\s+totalprofit = (\d+(?:\.\d*)?) /) {
 533                         $expected_total_profit= $1;
 534                 }
 535                 next unless $found_section==1;
 536                 if (!length $continuation) {
 537                         next if !$continuation &&  m/^[- ]+$/;
 538                         if (!/\S/) {
 539                                 $found_section= 0;
 540                                 next;
 541                         }
 542                         if (m/^ \s* \d+ \s+ \w+ $/x) {
 543                                 $continuation= $&;
 544                                 next;
 545                         }
 546                 }
 547                 $_= $continuation.$_;
 548                 $continuation= '';
 549                 my ($varname, $qty) = m/^
 550                         \s* \d+ \s+
 551                         (\w+) \s+ (?: [A-Z*]+ \s+ )?
 552                         ([+-e0-9.]+) \s
 553                         /x or die "$cplex \n==\n $glpsol_out $_ ?";
 554                 if ($varname =~ m/^f(\d+)s(\d+)_/) {
 555                         my ($ix,$orgix) = ($1,$2);
 556                         my $flow= $flows[$ix] or die;
 557                         my @relsubflow= grep { $_->{Org} == $orgix }
 558                                 @{ $flow->{Subflows} };
 559                         die "$ix $orgix @relsubflow" unless @relsubflow == 1;
 560                         my $sf= $relsubflow[0];
 561                         $sf->{OptQty}= $qty;
 562                         $sf->{OptProfit}= $qty * $flow->{'unitprofit'};
 563                         $sf->{OptCapital}= $qty * $flow->{'org_price'};
 564                 } elsif ($varname =~ m/^(mass|volume)_(\d+)$/) {
 565                         my ($mv,$ix) = ($1,$2);
 566                         $sail_total[$ix]{$mv}= $qty;
 567                 }
 568         }
 569         print "</pre>\n" if $qa->{'debug'};
 570         my $prerr= "\n=====\n$cplex\n=====\n$glpsol_out\n=====\n ";
 571         pipethrough_run_finish($output,$prerr);
 572         map { defined $_->{OptQty} or die "$prerr $_->{Flow}{Ix}" } @subflows;
 573         defined $expected_total_profit or die "$prerr ?";
 574 };
 575
 576 $addcols->({ DoReverse => 1, TotalSubflows => 1, Special => sub {
 577         my ($flow,$col,$v,$spec) = @_;
 578         if ($flow->{ExpectedUnitProfit} < 0) {
 579                 $spec->{Span}= 3;
 580                 $spec->{String}= '(Small margin)';
 581                 $spec->{Align}= 'align=center';
 582         }
 583 } }, qw(
 584                 OptQty
 585         ));
 586 $addcols->({ Total => 0, DoReverse => 1, TotalSubflows => 1 }, qw(
 587                 OptCapital OptProfit
 588         ));
 589
 590 </%perl>
 591
 592 % } # ========== OPTIMISATION ==========
 593
 594 % if (!printable($m)) {
 595 <h2>Contents</h2>
 596 <ul>
 597 % if ($optimise) {
 598  <li><a href="#plan">Voyage trading plan</a>
 599   <ul>
 600    <li><a href="#summary">Summary statistics</a>
 601    <li>Printable:
 602          <input type=submit name=printable_pdf value="PDF">
 603          <input type=submit name=printable_html value="HTML">
 604          <input type=submit name=printable_ps value="PostScript">
 605          <input type=submit name=printable_pdf2 value="PDF 2-up">
 606          <input type=submit name=printable_ps2 value="PostScript 2-up">
 607   </ul>
 608 % }
 609  <li><a href="#dataage">Data age summary</a>
 610  <li><a href="#trades">Relevant trades</a>
 611 </ul>
 612 % } else {
 613 %       my @tl= gmtime $now or die $!;
 614 <p>
 615 Generated by YARRG at <strong><%
 616         sprintf "%04d-%02d-%02d %02d:%02d:%02d UTC",
 617                 $tl[5]+1900, @tl[4,3,2,1,0]
 618                         |h %></strong>.
 619 % }
 620
 621 % if ($optimise) { # ========== TRADING PLAN ==========
 622 %
 623 % my $iquery= $dbh->prepare('SELECT islandname FROM islands
 624 %                               WHERE islandid = ?');
 625 % my %da_ages;
 626 % my $total_total= 0;
 627 % my $total_dist= 0;
 628 %
 629 <h2><a name="plan">Voyage trading plan</a></h2>
 630
 631 <table class="data" rules=groups <% printable($m) ? 'width=100%' : '' %> >
 632 % my $tbody= sub {
 633 %       if (!printable($m)) { return '<tbody>'; }
 634 %#  return "<tr><td colspan=7><hr>";
 635 %       my ($c)= qw(40 00)[$_[0]];
 636 %       return "<tr><td bgcolor=\"#${c}${c}${c}\" height=1 colspan=7>";
 637 % };
 638 %
 639 % foreach my $i (0..$#islandids) {
 640 <% $tbody->(1) %>
 641 <tr>
 642 %       $iquery->execute($islandids[$i]);
 643 %       my ($islandname) = $iquery->fetchrow_array();
 644 %       if (!$i) {
 645 <td colspan=2>
 646 <strong>Start at <% $islandname |h %></strong>
 647 <td><a href="docs#posinclass">[?]</a>
 648 <td colspan=2>
 649 %       } else {
 650 %               my $this_dist= $distance->($islandids[$i-1],$islandids[$i]);
 651 %               $total_dist += $this_dist;
 652 <td colspan=5>
 653 <%perl>
 654                 my $total_value= 0;
 655                 foreach my $sf (@subflows) {
 656                         next unless $sf->{Org} < $i && $sf->{Dst} >= $i;
 657                         $total_value +=
 658                                 $sf->{OptQty} * $sf->{Flow}{'dst_price'};
 659                 }
 660 </%perl>
 661 <strong>Sail to <% $islandname |h %></strong>
 662 - <% $this_dist |h %> leagues,
 663  <% $total_value %>poe at risk
 664  </td>
 665 %       }
 666 <%perl>
 667      my $age_reported= 0;
 668      my %flowlists;
 669      #print "<tr><td colspan=7>" if $qa->{'debug'};
 670      foreach my $od (qw(org dst)) {
 671         #print " [[ i $i od $od " if $qa->{'debug'};
 672         foreach my $sf (@subflows) {
 673                 my $f= $sf->{Flow};
 674                 next unless $sf->{ucfirst $od} == $i;
 675                 #print " FLOW $f->{Ix} SUB #$sf->{Org}..$sf->{Dst} "
 676                 #       if $qa->{'debug'};
 677                 next unless $sf->{OptQty};
 678                 my $arbitrage= $f->{'org_id'} == $f->{'dst_id'};
 679                 die if $arbitrage and $sf->{Org} != $sf->{Dst};
 680                 my $price= $f->{"${od}_price"};
 681                 my $stallname= $f->{"${od}_stallname"};
 682                 my $todo= \$flowlists{$od}{
 683                                 (sprintf "%010d", $f->{'ordval'}),
 684                                 $f->{'commodname'},
 685                                 (sprintf "%07d", ($od eq 'dst' ?
 686                                                 9999999-$price : $price)),
 687                                 $stallname
 688                         };
 689                 $$todo= {
 690                         Qty => 0,
 691                         orgArbitrage => 0,
 692                         dstArbitrage => 0,
 693                 } unless $$todo;
 694                 $$todo->{'commodname'}= $f->{'commodname'};
 695                 $$todo->{'posinclass'}= '';
 696                 my $incl= $f->{'posinclass'};
 697
 698                 my $findclass= $dbh->prepare(<<END);
 699 SELECT commodclass, maxposinclass FROM commodclasses WHERE commodclassid = ?
 700 END
 701                 $findclass->execute($f->{'commodclassid'});
 702                 my $classinfo= $findclass->fetchrow_hashref();
 703                 if ($classinfo) {
 704                         my $clname= $classinfo->{'commodclass'};
 705                         my $desc= encode_entities(sprintf "%s is under %s",
 706                                         $f->{'commodname'}, $clname);
 707                         my $abbrev= substr($clname,0,1);
 708                         if ($incl) {
 709                                 my $maxpic= $classinfo->{'maxposinclass'};
 710                                 $desc.= (sprintf ", commodity %d of %d",
 711                                         $incl, $maxpic);
 712                                 if ($classinfo->{'maxposinclass'} >= 8) {
 713                                         my @tmbs= qw(tt t m b bb);
 714                                         my $tmbi= ($incl+0.5)*$#tmbs/$maxpic;
 715                                         $abbrev.= " ".$tmbs[$tmbi];
 716                                 }
 717                         }
 718                         $$todo->{'posinclass'}=
 719                                 "<div class=mouseover title=\"$desc\">"
 720                                 .$abbrev."</div>";
 721                 }
 722                 $$todo->{'stallname'}= $stallname;
 723                 $$todo->{Price}= $price;
 724                 $$todo->{Timestamp}= $f->{"${od}_timestamp"};
 725                 $$todo->{Qty} += $sf->{OptQty};
 726                 $$todo->{Total}= $$todo->{Price} * $$todo->{Qty};
 727                 $$todo->{Stalls}= $f->{"${od}Stalls"};
 728                 $$todo->{"${od}Arbitrage"}= 1 if $arbitrage;
 729         }
 730         #print "]] " if $qa->{'debug'};
 731      }
 732      #print "</tr>" if $qa->{'debug'};
 733
 734      my ($total, $total_to_show);
 735      my $dline= 0;
 736      my $show_total= sub {
 737         my ($totaldesc, $sign) = @_;
 738         if (defined $total) {
 739                 die if defined $total_to_show;
 740                 $total_total += $sign * $total;
 741                 $total_to_show= [ $totaldesc, $total ];
 742                 $total= undef;
 743         }
 744         $dline= 0;
 745      };
 746      my $show_total_now= sub {
 747         my ($xinfo) = @_;
 748         return unless defined $total_to_show;
 749         my ($totaldesc,$totalwas) = @$total_to_show;
 750 </%perl>
 751 <tr>
 752 <td colspan=1>
 753 <td colspan=3><% $xinfo %>
 754 <td colspan=2 align=right><% $totaldesc %>
 755 <td align=right><% $totalwas |h %> total
 756 <%perl>
 757         $total_to_show= undef;
 758      };
 759 </%perl>
 760 %    my $show_flows= sub {
 761 %       my ($od,$arbitrage,$collectdeliver) = @_;
 762 %       my $todo= $flowlists{$od};
 763 %       return unless $todo;
 764 %       foreach my $tkey (sort keys %$todo) {
 765 %               my $t= $todo->{$tkey};
 766 %               next if $t->{"${od}Arbitrage"} != $arbitrage;
 767 %               $show_total_now->('');
 768 %               if (!$age_reported++) {
 769 %                       my $age= $now - $t->{Timestamp};
 770 %                       my $cellid= "da_${i}";
 771 %                       $da_ages{$cellid}= $age;
 772 <td colspan=2>\
 773 (Data age: <span id="<% $cellid %>"><% prettyprint_age($age) %></span>)
 774 %               } elsif (!defined $total) {
 775 %                       $total= 0;
 776 <% $tbody->(0) %>
 777 %               }
 778 %               $total += $t->{Total};
 779 %               my $span= 0 + keys %{ $t->{Stalls} };
 780 %               my $td= "td rowspan=$span";
 781 % tr_datarow($m,$dline);
 782 <<% $td %>><% $collectdeliver %>
 783 <<% $td %>><% $t->{'commodname'} |h %>
 784 <<% $td %>><% $t->{'posinclass'} %>
 785 %
 786 %               my @stalls= sort keys %{ $t->{Stalls} };
 787 %               my $pstall= sub {
 788 %                       my $name= $stalls[$_[0]];
 789 <td><% $name |h %>
 790 %               };
 791 %
 792 %               $pstall->(0);
 793 <<% $td %> align=right><% $t->{Price} |h %> poe ea.
 794 <<% $td %> align=right><% $t->{Qty} |h %> unit(s)
 795 <<% $td %> align=right><% $t->{Total} |h %> total
 796 %
 797 %               foreach my $stallix (1..$#stalls) {
 798 % tr_datarow($m,$dline);
 799 %                       $pstall->($stallix);
 800 %               }
 801 %
 802 %               $dline ^= 1;
 803 %       }
 804 %    };
 805 <%perl>
 806
 807      $show_flows->('dst',0,'Deliver'); $show_total->('Proceeds',1);
 808      $show_flows->('org',1,'Collect'); $show_total->('(Arbitrage) outlay',-1);
 809      $show_flows->('dst',1,'Deliver'); $show_total->('(Arbitrage) proceeds',1);
 810      $show_flows->('org',0,'Collect'); $show_total->('Outlay',-1);
 811      my $totals= '';
 812      if ($i < $#islandids) {
 813         $totals .=      "In hold $sail_total[$i]{mass}kg,".
 814                         " $sail_total[$i]{volume} l";
 815         my $delim= '; spare ';
 816         my $domv= sub {
 817                 my ($max, $got, $units) = @_;
 818                 return unless defined $max;
 819                 $totals .= $delim;
 820                 $totals .= sprintf "%g %s", ($max-$got), $units;
 821                 $delim= ', ';
 822         };
 823         $domv->($routeparams->{MaxMass},   $sail_total[$i]{mass},   'kg');
 824         $domv->($routeparams->{MaxVolume}, $sail_total[$i]{volume}, 'l');
 825         $totals .= ".\n";
 826      }
 827      $show_total_now->($totals);
 828 }
 829 </%perl><a name="summary"></a>
 830 <% $tbody->(1) %><tr>
 831 <td colspan=3>Total distance: <% $total_dist %> leagues.
 832 <td colspan=3 align=right>Overall net cash flow
 833 <td align=right><strong><%
 834   $total_total < 0 ? -$total_total." loss" : $total_total." gain"
 835  %></strong>
 836 </table>
 837 <& query_age:dataages, id2age => \%da_ages &>
 838 Expected average profit:
 839  approx. <strong><% sprintf "%d", $expected_total_profit %></strong> poe
 840  (considering expected losses, but ignoring rum consumed)
 841 %
 842 % } # ========== TRADING PLAN ==========
 843
 844 % if (!printable($m)) {
 845 <h2><a name="dataage">Data age summary</a></h2>
 846 <%perl>
 847         my $sth_i= $dbh->prepare(<<END);
 848                 SELECT archipelago, islandid, islandname, timestamp
 849                         FROM uploads NATURAL JOIN islands
 850                         WHERE islandid = ?
 851 END
 852         my $sth_a= $dbh->prepare(<<END);
 853                 SELECT archipelago, islandid, islandname, timestamp
 854                         FROM uploads NATURAL JOIN islands
 855                         WHERE archipelago = ?
 856                         ORDER BY islandname
 857 END
 858         my $ix=$#islandids;
 859         my $sth_current;
 860         my %idone;
 861         my $fetchrow= sub {
 862                 for (;;) {
 863                         if ($sth_current) {
 864                                 my $row= $sth_current->fetchrow_hashref();
 865                                 if ($row) {
 866                                         next if $idone{$row->{'islandid'}}++;
 867                                         return $row;
 868                                 }
 869                         }
 870                         return undef if $ix < 0;
 871                         my $iid= $islandids[$ix];
 872                         if (defined $iid) {
 873                                 $sth_i->execute($iid);
 874                                 $sth_current= $sth_i;
 875                         } else {
 876                                 my $arch= $archipelagoes[$ix];
 877                                 die unless defined $arch && length $arch;
 878                                 $sth_a->execute($arch);
 879                                 $sth_current= $sth_a;
 880                         }
 881                         $ix--;
 882                 }
 883         };
 884 </%perl>
 885 <&| query_age:agestable, now => $now, fetchrow => $fetchrow &>
 886 Islands shown in reverse order of visits.<br>
 887 </&>
 888 % }
 889
 890 % if (!printable($m)) {
 891 %   my %ts_sortkeys;
 892 %   {
 893 %       my $cdspan= $qa->{ShowStalls} ? ' colspan=2' : '';
 894 %       my $cdstall= $qa->{ShowStalls} ? '<th>Stall</th>' : '';
 895 <h2><a name="trades">Relevant trades</a></h2>
 896 <table class="data" id="trades" rules=groups>
 897 <colgroup span=1>
 898 <colgroup span=2>
 899 <% $qa->{ShowStalls} ? '<colgroup span=2>' : '' %>
 900 <colgroup span=1>
 901 <colgroup span=2>
 902 <colgroup span=2>
 903 <colgroup span=2>
 904 <colgroup span=3>
 905 <colgroup span=3>
 906 %       if ($optimise) {
 907 <colgroup span=3>
 908 %       }
 909 <tr>
 910 <th>
 911 <th<% $cdspan %>>Collect
 912 <th<% $cdspan %>>Deliver
 913 <th>
 914 <th colspan=2>Collect
 915 <th colspan=2>Deliver
 916 <th colspan=2>Profit
 917 <th colspan=3>Max
 918 <th colspan=1>
 919 <th colspan=2>Max
 920 %       if ($optimise) {
 921 <th colspan=3>Planned
 922 %       }
 923
 924 <tr>
 925 <th>
 926 <th>Island <% $cdstall %>
 927 <th>Island <% $cdstall %>
 928 <th>Commodity
 929 <th>Price
 930 <th>Qty
 931 <th>Price
 932 <th>Qty
 933 <th>Margin
 934 <th>Unit
 935 <th>Qty
 936 <th>Capital
 937 <th>Profit
 938 <th>Dist
 939 <th>Mass
 940 <th>Vol
 941 %       if ($optimise) {
 942 <th>Qty
 943 <th>Capital
 944 <th>Profit
 945 %       }
 946 %   }
 947
 948 <tr id="trades_sort">
 949 %   foreach my $col (@cols) {
 950 <th>
 951 %   }
 952
 953 %   foreach my $flowix (0..$#flows) {
 954 %       my $flow= $flows[$flowix];
 955 %       my $rowid= "id_row_$flow->{UidShort}";
 956 <tr id="<% $rowid %>" class="datarow<% $flowix & 1 %>">
 957 <td><input type=hidden   name=R<% $flow->{UidShort} %> value="">
 958     <input type=checkbox name=T<% $flow->{UidShort} %> value=""
 959        <% $flow->{Suppress} ? '' : 'checked' %> >
 960 %       my $ci= 1;
 961 %       while ($ci < @cols) {
 962 %               my $col= $cols[$ci];
 963 %               my $spec= {
 964 %                       Span => 1,
 965 %                       Align => ($col->{Text} ? '' : 'align=right')
 966 %               };
 967 %               my $cn= $col->{Name};
 968 %               my $v;
 969 %               if (!$col->{TotalSubflows}) {
 970 %                       $v= $flow->{$cn};
 971 %               } else {
 972 %                       $v= 0;
 973 %                       $v += $_->{$cn} foreach @{ $flow->{Subflows} };
 974 %               }
 975 %               if ($col->{Special}) { $col->{Special}($flow,$col,$v,$spec); }
 976 %               $col->{Total} += $v
 977 %                       if defined $col->{Total} and not $flow->{Suppress};
 978 %               $v='' if !$col->{Text} && !$v;
 979 %               my $sortkey= $col->{SortColKey} ?
 980 %                       $flow->{$col->{SortColKey}} : $v;
 981 %               $ts_sortkeys{$ci}{$rowid}= $sortkey;
 982 <td <% $spec->{Span} ? "colspan=$spec->{Span}" : ''
 983  %> <% $spec->{Align}
 984  %>><% exists $spec->{String} ? $spec->{String} : $v |h %>
 985 %               $ci += $spec->{Span};
 986 %       }
 987 %   }
 988 <tr id="trades_total">
 989 <th>
 990 <th colspan=2>Total
 991 %   foreach my $ci (3..$#cols) {
 992 %       my $col= $cols[$ci];
 993 <td align=right>
 994 %       if (defined $col->{Total}) {
 995 <% $col->{Total} |h %>
 996 %       }
 997 %   }
 998 </table>
 999
1000 <&| tabsort, cols => \@cols, table => 'trades', rowclass => 'datarow',
1001         throw => 'trades_sort', tbrow => 'trades_total' &>
1002   ts_sortkeys= <% to_json_protecttags(\%ts_sortkeys) %>;
1003 </&tabsort>
1004 <p>
1005 <input type=submit name=update value="Update">
1006
1007 % } # !printable
1008
1009 <%init>
1010 use CommodsWeb;
1011 use Commods;
1012 </%init>