+<%perl>
+}
+
+my $try_solve= sub {
+ my ($how, @opts) = @_;
+ my $input= pipethrough_prep();
+ print $input $cplex or die $!;
+ my $output= pipethrough_run_along($input, undef, 'glpsol',
+ qw(glpsol --tmlim 5 --memlim 20), @opts,
+ qw( --cpxlp /dev/stdin -o /dev/stdout));
+ if ($qa->{'debug'}) {
+ print "<h3>@opts</h3>\n<pre>\n";
+ }
+ $expected_total_profit= undef;
+ $_->{OptQty}= undef foreach @subflows;
+ my $found_section= 0;
+ my $glpsol_out= '';
+ my $continuation='';
+ my $timelimit= 0;
+ my $somemip= 0;
+ while (<$output>) {
+ $glpsol_out.= $_;
+ print encode_entities($_) if $qa->{'debug'};
+ if (m/^\s*No\.\s+(Row|Column) name\s+(?:St\s+)?Activity\s/) {
+ die "$_ $found_section ?" if $found_section>0;
+ $found_section= 1;
+ next;
+ }
+ if ((m/^Integer optimization begins/ .. 0) &&
+ m/^\+ \s* \d+\: \s* mip \s* = \s* \d/) {
+ $somemip= 1;
+ next;
+ }
+ if (m/^TIME LIMIT EXCEEDED/) {
+ $timelimit= 1;
+ }
+ if (m/^Objective:\s+totalprofit = (\d+(?:\.\d*)?) /) {
+ $expected_total_profit= $1;
+ }
+ next unless $found_section==1;
+ if (!length $continuation) {
+ next if !$continuation && m/^[- ]+$/;
+ if (!/\S/) {
+ $found_section= 0;
+ next;
+ }
+ if (m/^ \s* \d+ \s+ \w+ $/x) {
+ $continuation= $&;
+ next;
+ }
+ }
+ $_= $continuation.$_;
+ $continuation= '';
+ my ($varname, $qty) = m/^
+ \s* \d+ \s+
+ (\w+) \s+ (?: [A-Z*]+ \s+ )?
+ ([-+0-9]+)(?: [.e][-+e0-9.]* )? \s
+ /x or die "$cplex \n==\n $glpsol_out $_ ?";
+ if ($varname =~ m/^f(\d+)s(\d+)_/) {
+ my ($ix,$orgix) = ($1,$2);
+ my $flow= $flows[$ix] or die;
+ my @relsubflow= grep { $_->{Org} == $orgix }
+ @{ $flow->{Subflows} };
+ die "$ix $orgix @relsubflow" unless @relsubflow == 1;
+ my $sf= $relsubflow[0];
+ $sf->{OptQty}= $qty;
+ $sf->{OptProfit}= $qty * $flow->{'unitprofit'};
+ $sf->{OptCapital}= $qty * $flow->{'org_price'};
+ } elsif ($varname =~ m/^(mass|volume|capital)_(\d+)$/) {
+ my ($mv,$ix) = ($1,$2);
+ $sail_total[$ix]{$mv}= $qty;
+ }
+ }
+ print "</pre>\n" if $qa->{'debug'};
+ my $prerr= "\n=====\n$cplex\n=====\n$glpsol_out\n=====\n ";
+ pipethrough_run_finish($output,$prerr);
+ map { defined $_->{OptQty} or die "$prerr $_->{Flow}{Ix}" } @subflows;
+ defined $expected_total_profit or die "$prerr ?";
+ return 0 unless $somemip || !$timelimit;
+ $opt_how= $how;
+ return 1;
+};
+
+unless ($try_solve->('Optimisation successful',
+ qw( --intopt --cuts --bfs )) or
+ $try_solve->('<strong>Complex problem, downgraded</strong>'.
+ ' to rounded-down LP.',
+ qw( --nomip ))) {
+</%perl>
+<h2>Optimisation failed</h2>
+The linear/mixed-integer optimisation failed.
+Please report this problem.
+
+<pre>
+<% $cplex |h %>
+</pre>
+<%perl>
+ return;
+}
+
+$addcols->({ DoReverse => 1, TotalSubflows => 1, Special => sub {
+ my ($flow,$col,$v,$spec) = @_;
+ if ($flow->{ExpectedUnitProfit} < 0) {
+ $spec->{Span}= 3;
+ $spec->{String}= '(Small margin)';
+ $spec->{Align}= 'align=center';
+ }
+} }, qw(
+ OptQty
+ ));
+$addcols->({ Total => 0, DoReverse => 1, TotalSubflows => 1 }, qw(
+ OptCapital OptProfit
+ ));
+
+</%perl>
+
+% } # ========== OPTIMISATION ==========
+
+% if (!printable($m)) {
+<h2>Contents</h2>
+<ul>
+% if ($optimise) {
+ <li><a href="#summary">Summary</a>
+ <li><a href="#plan">Voyage trading plan</a>
+ <ul>
+ <li>Printable:
+ <input type=submit name=printable_pdf value="PDF">
+ <input type=submit name=printable_html value="HTML">
+ <input type=submit name=printable_ps value="PostScript">
+ <input type=submit name=printable_pdf2 value="PDF 2-up">
+ <input type=submit name=printable_ps2 value="PostScript 2-up">
+ </ul>
+% }
+ <li><a href="#dataage">Relevant data ages</a>
+ <li><a href="#trades">Relevant trades</a>
+</ul>
+% } else {
+% my @tl= gmtime $now or die $!;
+<p>
+Generated by YARRG at <strong><%
+ sprintf "%04d-%02d-%02d %02d:%02d:%02d UTC",
+ $tl[5]+1900, @tl[4,3,2,1,0]
+ |h %></strong>.
+% }
+
+% if ($optimise) { # ========== TRADING PLAN ==========
+<%perl>
+my $iquery= $dbh->prepare('SELECT islandname FROM islands
+ WHERE islandid = ?');
+my %da_ages;
+my $total_total= 0;
+my $total_dist= 0;
+my @oldest= (-1, 'nowhere');
+my $plan_html= '';
+
+my $plan_table_info= printable($m) ? 'width=100%' : '';
+$plan_html .= <<END;
+<table class="data" rules=groups $plan_table_info >
+END
+
+my $tbody= sub {
+ if (!printable($m)) { return '<tbody>'; }
+ my ($c)= qw(40 00)[$_[0]];
+ return "<tr><td bgcolor=\"#${c}${c}${c}\" height=1 colspan=7>";
+};
+
+foreach my $i (0..$#islandids) {
+ $plan_html .= $tbody->(1);
+ $plan_html .= "<tr>\n";
+ $iquery->execute($islandids[$i]);
+ my ($islandnamepr)= encode_entities( $iquery->fetchrow_array() );
+
+ if (!$i) {
+ $plan_html .= <<END;
+<td colspan=2>
+<strong>Start at $islandnamepr</strong>
+<td colspan=2><a href="docs#posinclass">[what are these codes?]</a>
+<td>
+END
+ } else {
+ my $this_dist= $distance->($islandids[$i-1],$islandids[$i]);
+ $total_dist += $this_dist;
+ $plan_html .= <<END;
+<td colspan=5>
+END
+ my $total_value= 0;
+ foreach my $sf (@subflows) {
+ next unless $sf->{Org} < $i && $sf->{Dst} >= $i;
+ $total_value +=
+ $sf->{OptQty} * $sf->{Flow}{'dst_price'};
+ }
+ $plan_html .= <<END;
+<strong>Sail to $islandnamepr</strong>
+- $this_dist leagues, $total_value poe at risk
+ </td>
+END
+ }
+ my $age_reported= 0;
+ my %flowlists;
+ #print "<tr><td colspan=7>" if $qa->{'debug'};
+ foreach my $od (qw(org dst)) {
+ #print " [[ i $i od $od " if $qa->{'debug'};
+ foreach my $sf (@subflows) {
+ my $f= $sf->{Flow};
+ next unless $sf->{ucfirst $od} == $i;
+ #print " FLOW $f->{Ix} SUB #$sf->{Org}..$sf->{Dst} "
+ # if $qa->{'debug'};
+ next unless $sf->{OptQty};
+ my $arbitrage= $f->{'org_id'} == $f->{'dst_id'};
+ die if $arbitrage and $sf->{Org} != $sf->{Dst};
+ my $price= $f->{"${od}_price"};
+ my $stallname= $f->{"${od}_stallname"};
+ my $todo= \$flowlists{$od}{
+ (sprintf "%010d", $f->{'ordval'}),
+ $f->{'commodname'},
+ (sprintf "%07d", ($od eq 'dst' ?
+ 9999999-$price : $price)),
+ $stallname
+ };
+ $$todo= {
+ Qty => 0,
+ orgArbitrage => 0,
+ dstArbitrage => 0,
+ } unless $$todo;
+ $$todo->{'commodid'}= $f->{'commodid'};
+ $$todo->{'commodname'}= $f->{'commodname'};
+ $$todo->{'posinclass'}= '';
+ my $incl= $f->{'posinclass'};
+
+ my $findclass= $dbh->prepare(<<END);
+SELECT commodclass, maxposinclass FROM commodclasses WHERE commodclassid = ?
+END
+ $findclass->execute($f->{'commodclassid'});
+ my $classinfo= $findclass->fetchrow_hashref();
+ if ($classinfo) {
+ my $clname= $classinfo->{'commodclass'};
+ my $desc= encode_entities(sprintf "%s is under %s",
+ $f->{'commodname'}, $clname);
+ my $abbrev= substr($clname,0,1);
+ if ($incl) {
+ my $maxpic= $classinfo->{'maxposinclass'};
+ $desc.= (sprintf ", commodity %d of %d",
+ $incl, $maxpic);
+ if ($classinfo->{'maxposinclass'} >= 8) {
+ my @tmbs= qw(0 1 2 3 4 5 6 7 8 9);
+ my $tmbi= ($incl+0.5)*$#tmbs/$maxpic;
+ $abbrev.= " ".$tmbs[$tmbi]." ";
+ }
+ }
+ $$todo->{'posinclass'}=
+ "<div class=mouseover title=\"$desc\">"
+ .$abbrev."</div>";
+ }
+ $$todo->{'stallname'}= $stallname;
+ $$todo->{Price}= $price;
+ $$todo->{Timestamp}= $f->{"${od}_timestamp"};
+ $$todo->{Qty} += $sf->{OptQty};
+ $$todo->{Total}= $$todo->{Price} * $$todo->{Qty};
+ $$todo->{Stalls}= $f->{"${od}Stalls"};
+ $$todo->{"${od}Arbitrage"}= 1 if $arbitrage;
+ }
+ #print "]] " if $qa->{'debug'};
+ }
+ #print "</tr>" if $qa->{'debug'};
+
+ my ($total, $total_to_show);
+ my $dline= 0;
+ my $show_total= sub {
+ my ($totaldesc, $sign) = @_;
+ if (defined $total) {
+ die if defined $total_to_show;
+ $total_total += $sign * $total;
+ $total_to_show= [ $totaldesc, $total ];
+ $total= undef;
+ }
+ $dline= 0;
+ };
+ my $show_total_now= sub {
+ my ($xinfo) = @_;
+ return unless defined $total_to_show;
+ my ($totaldesc,$totalwas) = @$total_to_show;
+ $plan_html .= <<END;
+<tr>
+<td colspan=1>
+<td colspan=3>$xinfo
+<td colspan=2 align=right>$totaldesc
+<td align=right>$totalwas total
+END
+ $total_to_show= undef;
+ };
+ my $show_flows= sub {
+ my ($od,$arbitrage,$collectdeliver) = @_;
+ my $todo= $flowlists{$od};
+ return unless $todo;
+ foreach my $tkey (sort keys %$todo) {
+ my $t= $todo->{$tkey};
+ next if $t->{"${od}Arbitrage"} != $arbitrage;
+ $show_total_now->('');
+ if (!$age_reported++) {
+ my $age= $now - $t->{Timestamp};
+ @oldest= ($age,$islandnamepr) if $oldest[0] < $age;
+ my $cellid= "da_${i}";
+ my $agepr= prettyprint_age($age);
+ $da_ages{$cellid}= $age;
+ $plan_html .= <<END
+<td colspan=2>(Data age: <span id="$cellid">$agepr</span>)
+END
+ } elsif (!defined $total) {
+ $total= 0;
+ $plan_html .= $tbody->(0);
+ }
+ $total += $t->{Total};
+ my $span= 0 + keys %{ $t->{Stalls} };
+ my $td= "td rowspan=$span";
+ my %linkqf= (%{ $qa->{'baseqf'} }, %{ $qa->{'queryqf'} });
+ $linkqf{'query'}= 'commod';
+ $linkqf{'commodstring'}= $t->{'commodname'};
+ $linkqf{'commodid'}= $t->{'commodid'};
+ my $linkqfpr= encode_entities( $quri->(%linkqf) );
+ my $commodnamepr= encode_entities($t->{'commodname'});
+ $plan_html .= tr_datarow_s($m,$dline) . <<END;
+<$td>$collectdeliver
+<$td><a href="$linkqfpr">$commodnamepr</a>
+<$td>$t->{'posinclass'}
+END
+ my @stalls= sort keys %{ $t->{Stalls} };
+ my $pstall= sub {
+ my $namepr= encode_entities( $stalls[$_[0]] );
+ $plan_html .= <<END;
+<td>$namepr
+END
+ };
+
+ $pstall->(0);
+ $plan_html .= <<END;
+<$td align=right>$t->{Price} poe ea.
+<$td align=right>$t->{Qty} unit(s)
+<$td align=right>$t->{Total} total
+END
+ foreach my $stallix (1..$#stalls) {
+ $plan_html .= tr_datarow_s($m,$dline);
+ $pstall->($stallix);
+ }
+
+ $dline ^= 1;
+ }
+ };
+
+ $show_flows->('dst',0,'Deliver'); $show_total->('Proceeds',1);
+ $show_flows->('org',1,'Collect'); $show_total->('(Arbitrage) outlay',-1);
+ $show_flows->('dst',1,'Deliver'); $show_total->('(Arbitrage) proceeds',1);
+ $show_flows->('org',0,'Collect'); $show_total->('Outlay',-1);
+ my $totals= '';
+ if ($i < $#islandids) {
+ $totals .= "In hold $sail_total[$i]{mass}kg,".
+ " $sail_total[$i]{volume} l";
+ my $delim= '; spare ';
+ my $domv= sub {
+ my ($max, $got, $units) = @_;
+ return unless defined $max;
+ $totals .= $delim;
+ $totals .= sprintf "%g %s", ($max-$got), $units;
+ $delim= ', ';
+ };
+ $domv->($routeparams->{MaxMass}, $sail_total[$i]{mass}, 'kg');
+ $domv->($routeparams->{MaxVolume}, $sail_total[$i]{volume}, 'l');
+ $totals .= ".\n";
+ }
+ $show_total_now->($totals);
+}
+
+my $cashflowpr= $total_total < 0
+ ? -$total_total." loss"
+ : $total_total." gain";
+
+my $max_capital= 0;
+foreach my $cap (map { $_->{capital} } @sail_total) {
+ $max_capital= $cap if $cap > $max_capital;
+}
+
+$da_ages{'oldest'}= $oldest[0];
+
+$plan_html .= $tbody->(1) . <<END;
+<tr>
+<td colspan=3>Total distance: $total_dist leagues.
+<td colspan=3 align=right>Overall net cash flow
+<td align=right><strong>$cashflowpr</strong>
+</table>
+END
+
+</%perl>
+% if (!printable($m)) {
+<h2><a name="summary">Summary</a></h2>
+% }
+
+<table>
+<tr>
+ <td>Distance:
+ <td><strong><% $total_dist %></strong> leagues,
+ <strong><% scalar(@islandids) %></strong> island(s)
+<tr>
+ <td>Planned net cash flow:
+ <td><strong><% $cashflowpr %></strong>
+<tr>
+ <td>Expected profit on average: approx.
+ <td>
+ <strong><% sprintf "%d", $expected_total_profit %></strong> poe
+ (considering expected losses, but ignoring rum consumed)
+<tr>
+ <td>Capital required:
+ <td>
+ <strong><% $max_capital %></strong> poe or less
+<tr>
+ <td>Oldest market data used:
+ <td><strong id="oldest"><% prettyprint_age($oldest[0]) %></strong>
+ (<% $oldest[1] %>)
+<tr>
+ <td colspan=2><% $opt_how %>
+</table>
+<p>
+
+<h2><a name="plan">Voyage trading plan</a></h2>
+<% $plan_html %>
+<& query_age:dataages, id2age => \%da_ages &>
+%
+% } # ========== TRADING PLAN ==========
+
+% if (!printable($m)) {
+<h2><a name="dataage">Relevant data ages</a></h2>
+<%perl>
+ my $sth_i= $dbh->prepare(<<END);
+ SELECT archipelago, islandid, islandname, timestamp
+ FROM uploads NATURAL JOIN islands
+ WHERE islandid = ?
+END
+ my $sth_a= $dbh->prepare(<<END);
+ SELECT archipelago, islandid, islandname, timestamp
+ FROM uploads NATURAL JOIN islands
+ WHERE archipelago = ?
+ ORDER BY islandname
+END
+ my $ix=$#islandids;
+ my $sth_current;
+ my %idone;
+ my $fetchrow= sub {
+ for (;;) {
+ if ($sth_current) {
+ my $row= $sth_current->fetchrow_hashref();
+ if ($row) {
+ next if $idone{$row->{'islandid'}}++;
+ return $row;
+ }
+ }
+ return undef if $ix < 0;
+ my $iid= $islandids[$ix];
+ if (defined $iid) {
+ $sth_i->execute($iid);
+ $sth_current= $sth_i;
+ } else {
+ my $arch= $archipelagoes[$ix];
+ die unless defined $arch && length $arch;
+ $sth_a->execute($arch);
+ $sth_current= $sth_a;
+ }
+ $ix--;
+ }
+ };
+</%perl>
+<&| query_age:agestable, now => $now, fetchrow => $fetchrow &>
+Islands shown in reverse order of visits.<br>
+</&>
+% }
+
+% if (!printable($m)) {
+% my %ts_sortkeys;
+% {
+% my $cdspan= $qa->{ShowStalls} ? ' colspan=2' : '';
+% my $cdstall= $qa->{ShowStalls} ? '<th>Stall</th>' : '';
+<h2><a name="trades">Relevant trades</a></h2>
+<table class="data" id="trades" rules=groups>
+<colgroup span=1>
+<colgroup span=2>
+<% $qa->{ShowStalls} ? '<colgroup span=2>' : '' %>
+<colgroup span=1>
+<colgroup span=2>
+<colgroup span=2>
+<colgroup span=2>
+<colgroup span=3>
+<colgroup span=3>
+% if ($optimise) {
+<colgroup span=3>
+% }
+<tr>
+<th>
+<th<% $cdspan %>>Collect
+<th<% $cdspan %>>Deliver
+<th>
+<th colspan=2>Collect
+<th colspan=2>Deliver
+<th colspan=2>Profit
+<th colspan=3>Max
+<th colspan=1>
+<th colspan=2>Max
+% if ($optimise) {
+<th colspan=3>Planned
+% }
+
+<tr>
+<th>
+<th>Island <% $cdstall %>
+<th>Island <% $cdstall %>
+<th>Commodity
+<th>Price
+<th>Qty
+<th>Price
+<th>Qty
+<th>Margin
+<th>Unit
+<th>Qty
+<th>Capital
+<th>Profit
+<th>Dist
+<th>Mass
+<th>Vol
+% if ($optimise) {
+<th>Qty
+<th>Capital
+<th>Profit
+% }
+% }
+
+<tr id="trades_sort">
+% foreach my $col (@cols) {
+<th>
+% }
+
+% foreach my $flowix (0..$#flows) {
+% my $flow= $flows[$flowix];
+% my $rowid= "id_row_$flow->{UidShort}";
+<tr id="<% $rowid %>" class="datarow<% $flowix & 1 %>">
+<td><input type=hidden name=R<% $flow->{UidShort} %> value="">
+ <input type=checkbox name=T<% $flow->{UidShort} %> value=""
+ <% $flow->{Suppress} ? '' : 'checked' %> >
+% my $ci= 1;
+% while ($ci < @cols) {
+% my $col= $cols[$ci];
+% my $spec= {
+% Span => 1,
+% Align => ($col->{Text} ? '' : 'align=right')
+% };
+% my $cn= $col->{Name};
+% my $v;
+% if (!$col->{TotalSubflows}) {
+% $v= $flow->{$cn};
+% } else {
+% $v= 0;
+% $v += $_->{$cn} foreach @{ $flow->{Subflows} };
+% }
+% if ($col->{Special}) { $col->{Special}($flow,$col,$v,$spec); }
+% $col->{Total} += $v
+% if defined $col->{Total} and not $flow->{Suppress};
+% $v='' if !$col->{Text} && !$v;
+% my $sortkey= $col->{SortColKey} ?
+% $flow->{$col->{SortColKey}} : $v;
+% $ts_sortkeys{$ci}{$rowid}= $sortkey;
+<td <% $spec->{Span} ? "colspan=$spec->{Span}" : ''
+ %> <% $spec->{Align}
+ %>><% exists $spec->{String} ? $spec->{String} : $v |h %>
+% $ci += $spec->{Span};
+% }
+% }
+<tr id="trades_total">
+<th>
+<th colspan=2>Total
+% foreach my $ci (3..$#cols) {
+% my $col= $cols[$ci];
+<td align=right>
+% if (defined $col->{Total}) {
+<% $col->{Total} |h %>
+% }
+% }
+</table>
+
+<&| tabsort, cols => \@cols, table => 'trades', rowclass => 'datarow',
+ throw => 'trades_sort', tbrow => 'trades_total' &>
+ ts_sortkeys= <% to_json_protecttags(\%ts_sortkeys) %>;
+</&tabsort>
+<p>
+<input type=submit name=update value="Update">
+
+% } # !printable