X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?p=ypp-sc-tools.db-live.git;a=blobdiff_plain;f=yarrg%2Fweb%2Froutetrade;h=0da1fd80a81929454605e46df2064d56d26d3083;hp=e200aa5cfd78e7643297dfb350f73f2320b0b640;hb=555b3391b3cd9967a29b219fff242b583137d2b8;hpb=3f99b04acd8cf6080069b542206f9f3de049f58a
diff --git a/yarrg/web/routetrade b/yarrg/web/routetrade
index e200aa5..0da1fd8 100644
--- a/yarrg/web/routetrade
+++ b/yarrg/web/routetrade
@@ -38,11 +38,23 @@ $dbh
@islandids
@archipelagoes
$qa
+$max_mass
+$max_volume
+$lossperleaguepct
+<&| script &>
+ da_pageload= Date.now();
+
+
<%perl>
+my $loss_per_league= defined $lossperleaguepct ? $lossperleaguepct*0.01 : 1e-7;
+
+my $now= time;
+
my @flow_conds;
my @query_params;
+my %dists;
my $sd_condition= sub {
my ($bs, $ix) = @_;
@@ -78,10 +90,12 @@ foreach my $src_i (0..$#islandids) {
if ($specific && !$confusing &&
# With a circular route, do not carry goods round the loop
- !($src_i==0 && $dst_i==$#islandids &&
+ !(($src_i==0 || $src_i==$#islandids) &&
+ $dst_i==$#islandids &&
$src_isle == $islandids[$dst_i])) {
if ($islandpair{$src_isle,$dst_isle}) {
$confusing= 1;
+print "confusing $src_i $src_isle $dst_i $dst_isle\n";
} else {
$islandpair{$src_isle,$dst_isle}=
[ $src_i, $dst_i ];
@@ -98,60 +112,109 @@ my $stmt= "
SELECT sell_islands.islandname org_name,
sell_islands.islandid org_id,
sell.price org_price,
+ sell.qty org_qty_stall,
+ sell_stalls.stallname org_stallname,
+ sell.stallid org_stallid,
+ sell_uploads.timestamp org_timestamp,
buy_islands.islandname dst_name,
buy_islands.islandid dst_id,
buy.price dst_price,
-".($qa->{ShowStalls} ? "
- sell.stallid org_stallid,
- sell_stalls.stallname org_stallname,
- sell.qty org_qty,
- buy.stallid dst_stallid,
+ buy.qty dst_qty_stall,
buy_stalls.stallname dst_stallname,
- buy.qty dst_qty,
+ buy.stallid dst_stallid,
+ buy_uploads.timestamp dst_timestamp,
+".($qa->{ShowStalls} ? "
+ sell.qty org_qty_agg,
+ buy.qty dst_qty_agg,
" : "
- sum(sell.qty) org_qty,
- sum(buy.qty) dst_qty,
+ (SELECT sum(qty) FROM sell AS sell_agg
+ WHERE sell_agg.commodid = commods.commodid
+ AND sell_agg.islandid = sell.islandid
+ AND sell_agg.price = sell.price) org_qty_agg,
+ (SELECT sum(qty) FROM buy AS buy_agg
+ WHERE buy_agg.commodid = commods.commodid
+ AND buy_agg.islandid = buy.islandid
+ AND buy_agg.price = buy.price) dst_qty_agg,
")."
commods.commodname commodname,
commods.commodid commodid,
commods.unitmass unitmass,
commods.unitvolume unitvolume,
+ dist dist,
buy.price - sell.price unitprofit
FROM commods
- JOIN buy on commods.commodid = buy.commodid
- JOIN sell on commods.commodid = sell.commodid
- JOIN islands as sell_islands on sell.islandid = sell_islands.islandid
- JOIN islands as buy_islands on buy.islandid = buy_islands.islandid
-".($qa->{ShowStalls} ? "
- JOIN stalls as sell_stalls on sell.stallid = sell_stalls.stallid
- JOIN stalls as buy_stalls on buy.stallid = buy_stalls.stallid
-" : "")."
+ JOIN sell ON commods.commodid = sell.commodid
+ JOIN buy ON commods.commodid = buy.commodid
+ JOIN islands AS sell_islands ON sell.islandid = sell_islands.islandid
+ JOIN islands AS buy_islands ON buy.islandid = buy_islands.islandid
+ JOIN uploads AS sell_uploads ON sell.islandid = sell_uploads.islandid
+ JOIN uploads AS buy_uploads ON buy.islandid = buy_uploads.islandid
+ JOIN stalls AS sell_stalls ON sell.stallid = sell_stalls.stallid
+ JOIN stalls AS buy_stalls ON buy.stallid = buy_stalls.stallid
+ JOIN dists ON aiid = sell.islandid AND biid = buy.islandid
WHERE (
".join("
OR ", @flow_conds)."
)
AND buy.price > sell.price
-".($qa->{ShowStalls} ? "" : "
- GROUP BY commods.commodid, org_id, org_price, dst_id, dst_price
-")."
ORDER BY org_name, dst_name, commodname, unitprofit DESC,
- org_price, dst_price DESC
+ org_price, dst_price DESC,
+ org_stallname, dst_stallname
";
my $sth= $dbh->prepare($stmt);
$sth->execute(@query_params);
my @flows;
-my @columns;
+my $distquery= $dbh->prepare("
+ SELECT dist FROM dists WHERE aiid = ? AND biid = ?
+ ");
+my $distance= sub {
+ my ($from,$to)= @_;
+ my $d= $dists{$from}{$to};
+ return $d if defined $d;
+ $distquery->execute($from,$to);
+ $d = $distquery->fetchrow_array();
+ defined $d or die "$from $to ?";
+ $dists{$from}{$to}= $d;
+ return $d;
+};
+
+my @cols= ({ NoSort => 1 });
+
+my $addcols= sub {
+ my $base= shift @_;
+ foreach my $name (@_) {
+ my $col= { Name => $name, %$base };
+ $col->{Numeric}=1 if !$col->{Text};
+ push @cols, $col;
+ }
+};
+
if ($qa->{ShowStalls}) {
- push @columns, qw(org_name org_stallname dst_name dst_stallname);
+ $addcols->({ Text => 1 }, qw(
+ org_name org_stallname
+ dst_name dst_stallname
+ ));
} else {
- push @columns, qw(org_name dst_name);
+ $addcols->({Text => 1 }, qw(
+ org_name dst_name
+ ));
+}
+$addcols->({ Text => 1 }, qw(commodname));
+$addcols->({ DoReverse => 1 },
+ qw( org_price org_qty_agg dst_price dst_qty_agg
+ ));
+$addcols->({ DoReverse => 1, SortColKey => 'MarginSortKey' },
+ qw( Margin
+ ));
+$addcols->({ DoReverse => 1 },
+ qw( unitprofit MaxQty MaxCapital MaxProfit dist
+ ));
+foreach my $v (qw(MaxMass MaxVolume)) {
+ $addcols->({
+ DoReverse => 1, Total => 0, SortColKey => "${v}SortKey" }, $v);
}
-push @columns, qw(commodname
- org_price org_qty dst_price dst_qty
- unitprofit PctProfit
- MaxQty MaxCapital MaxProfit);
@@ -164,23 +227,73 @@ push @columns, qw(commodname
<& dumptable:start, qa => $qa, sth => $sth &>
% {
-% my $f;
-% while ($f= $sth->fetchrow_hashref()) {
+% my $got;
+% while ($got= $sth->fetchrow_hashref()) {
+<%perl>
+
+ my $f= $flows[$#flows];
+ if ( !$f ||
+ $qa->{ShowStalls} ||
+ grep { $f->{$_} ne $got->{$_} }
+ qw(org_id org_price dst_id dst_price commodid)
+ ) {
+ # Make a new flow rather than adding to the existing one
+
+ $f= {
+ Ix => scalar(@flows),
+ Var => "f".@flows,
+ %$got
+ };
+ $f->{"org_stallid"}= $f->{"dst_stallid"}= 'all'
+ if !$qa->{ShowStalls};
+ push @flows, $f;
+ }
+ foreach my $od (qw(org dst)) {
+ $f->{"${od}Stalls"}{
+ $got->{"${od}_stallname"}
+ } =
+ $got->{"${od}_qty_stall"}
+ ;
+ }
+
+
+<& dumptable:row, qa => $qa, sth => $sth, row => $f &>
+% }
+<& dumptable:end, qa => $qa &>
+% }
+
<%perl>
- $f->{Ix}= @flows;
- $f->{Var}= "f$f->{Ix}";
+my @total_massvol;
- $f->{MaxQty}= $f->{'org_qty'} < $f->{'dst_qty'}
- ? $f->{'org_qty'} : $f->{'dst_qty'};
+if (!@flows) {
+ print 'No profitable trading opportunities were found.';
+ return;
+}
+
+foreach my $f (@flows) {
+
+ $f->{MaxQty}= $f->{'org_qty_agg'} < $f->{'dst_qty_agg'}
+ ? $f->{'org_qty_agg'} : $f->{'dst_qty_agg'};
$f->{MaxProfit}= $f->{MaxQty} * $f->{'unitprofit'};
$f->{MaxCapital}= $f->{MaxQty} * $f->{'org_price'};
- $f->{PctProfit}= sprintf "%3.1f%%",
+ $f->{MaxMassSortKey}= $f->{MaxQty} * $f->{'unitmass'};
+ $f->{MaxVolumeSortKey}= $f->{MaxQty} * $f->{'unitvolume'};
+ foreach my $v (qw(Mass Volume)) {
+ $f->{"Max$v"}= sprintf "%.1f", $f->{"Max${v}SortKey"} * 1e-6;
+ }
+
+ $f->{MarginSortKey}= sprintf "%d",
+ $f->{'dst_price'} * 10000 / $f->{'org_price'};
+ $f->{Margin}= sprintf "%3.1f%%",
$f->{'dst_price'} * 100.0 / $f->{'org_price'} - 100.0;
- $f->{"org_stallid"}= $f->{"dst_stallid"}= 'all'
- if !$qa->{ShowStalls};
+ $f->{ExpectedUnitProfit}=
+ $f->{'dst_price'} * (1.0 - $loss_per_league) ** $f->{'dist'}
+ - $f->{'org_price'};
+
+ $dists{'org_id'}{'dst_id'}= $f->{'dist'};
my @uid= $f->{commodid};
foreach my $od (qw(org dst)) {
@@ -245,24 +358,20 @@ die "$cmpu $uue ?" if length $cmpu > 20;
die "$f->{UidLong} = $f->{UidShort} = $recons_long ?";
}
- if ($qa->{"R$f->{UidShort}"} && !$qa->{"T$f->{UidShort}"}) {
+ if (defined $qa->{"R$f->{UidShort}"} &&
+ !defined $qa->{"T$f->{UidShort}"}) {
$f->{Suppress}= 1;
}
- push @flows, $f;
-
+}
-<& dumptable:row, qa => $qa, sth => $sth, row => $f &>
-% }
-<& dumptable:end, qa => $qa &>
-% }
% my $optimise= $specific && !$confusing && @islandids>1;
% if (!$optimise) {
% if (@islandids<=1) {
-Route is trivial.
+Route contains only one location.
% }
% if (!$specific) {
Route contains archipelago(es), not just specific islands.
@@ -271,7 +380,7 @@ Route contains archipelago(es), not just specific islands.
Route is complex - it visits the same island several times
and isn't a simple loop.
% }
-Therefore, optimal trade pattern not calculated.
+Therefore, optimal voyage trade plan not calculated.
% } else { # ========== OPTMISATION ==========
<%perl>
@@ -280,8 +389,10 @@ my $cplex= "
Maximize
totalprofit:
- ".(join " +
- ", map { "$_->{unitprofit} $_->{Var}" } @flows)."
+ ".(join "
+ ", map {
+ sprintf "%+.20f %s", $_->{ExpectedUnitProfit}, $_->{Var}
+ } @flows)."
Subject To
";
@@ -305,22 +416,56 @@ foreach my $flow (@flows) {
);
push @{ $avail_csts{$cstname}{Flows} }, $flow->{Var};
- $avail_csts{$cstname}{Qty}= $flow->{"${od}_qty"};
+ $avail_csts{$cstname}{Qty}= $flow->{"${od}_qty_agg"};
}
}
foreach my $cstname (sort keys %avail_csts) {
my $c= $avail_csts{$cstname};
$cplex .= "
- ". sprintf("%-30s","$cstname:")." ".
+ ". sprintf("%-30s","$cstname:")." ".
join("+", @{ $c->{Flows} }).
" <= ".$c->{Qty}."\n";
}
+foreach my $ci (0..($#islandids-1)) {
+ my @rel_flows;
+ foreach my $f (@flows) {
+ next if $f->{Suppress};
+ next if $f->{'org_id'} == $f->{'dst_id'};
+ next unless grep { $f->{'org_id'} == $_ }
+ @islandids[0..$ci];
+ next unless grep { $f->{'dst_id'} == $_ }
+ @islandids[$ci+1..@islandids-1];
+ push @rel_flows, $f;
+#print " RELEVANT $ci $f->{Ix} ";
+ }
+#print " RELEVANT $ci COUNT ".scalar(@rel_flows)." ";
+ next unless @rel_flows;
+ foreach my $mv (qw(mass volume)) {
+ my $max_vn= "max_$mv";
+ my $max= $mv eq 'mass' ? $max_mass : $max_volume;
+ $max= 1e9 unless defined $max;
+#print " DEFINED MAX $mv $max ";
+ $cplex .= "
+ ". sprintf("%-10s","${mv}_$ci:")." ".
+ join(" + ", map { ($_->{"unit$mv"}*1e-3).' f'.$_->{Ix} } @rel_flows).
+ " <= $max";
+ }
+ $cplex.= "\n";
+}
+
$cplex.= "
Bounds
".(join "
", map { "$_->{Var} >= 0" } @flows)."
+";
+
+$cplex.= "
+Integer
+ ".(join "
+ ", map { "f$_" } (0..$#flows))."
+
End
";
@@ -339,42 +484,93 @@ if ($qa->{'debug'}) {
qw(glpsol --cpxlp /dev/stdin -o /dev/stdout));
print "
\n" if $qa->{'debug'};
my $found_section= 0;
+ my $glpsol_out= '';
+ my $continuation='';
while (<$output>) {
+ $glpsol_out.= $_;
print encode_entities($_) if $qa->{'debug'};
- if (m/^\s*No\.\s+Column name\s+St\s+Activity\s/) {
- die if $found_section>0;
+ if (m/^\s*No\.\s+(Row|Column) name\s+(?:St\s+)?Activity\s/) {
+ die "$_ $found_section ?" if $found_section>0;
$found_section= 1;
next;
}
next unless $found_section==1;
- next if m/^[- ]+$/;
- if (!/\S/) {
- $found_section= 2;
- next;
+ 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, $qty) = m/^
+ \s* \d+ \s+
+ (\w+) \s+ (?: [A-Z*]+ \s+ )?
+ ([0-9.]+) \s
+ /x or die "$_ ?";
+ if ($varname =~ m/^f(\d+)$/) {
+ my ($ix) = $1;
+ my $flow= $flows[$ix] or die;
+ $flow->{OptQty}= $qty;
+ $flow->{OptProfit}= $flow->{'unitprofit'} * $qty;
+ $flow->{OptCapital}= $flow->{OptQty} *
+ $flow->{'org_price'};
+ } elsif ($varname =~ m/^(mass|volume)_(\d+)$/) {
+ my ($mv,$ix) = ($1,$2);
+ $total_massvol[$ix]{$mv}= $qty;
}
- my ($ix, $qty) =
- m/^\s*\d+\s+f(\d+)\s+\S+\s+(\d+)\s/ or die "$_ ?";
- my $flow= $flows[$ix] or die;
- $flow->{OptQty}= $qty;
- $flow->{OptProfit}= $flow->{'unitprofit'} * $qty;
- $flow->{OptCapital}= $flow->{OptQty} * $flow->{'org_price'};
}
print "\n" if $qa->{'debug'};
- pipethrough_run_finish($output, 'glpsol');
- die unless $found_section;
+ my $prerr= "\n=====\n$cplex\n=====\n$glpsol_out\n=====\n ";
+ pipethrough_run_finish($output,$prerr);
+ map { defined $_->{OptQty} or die "$prerr $_->{Ix}" } @flows;
+# map { defined
+# die $prerr if grep { ! } @flows;
+# map { die
+# die $prerr if map {
};
-push @columns, qw(OptQty OptCapital OptProfit);
+$addcols->({ DoReverse => 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 }, qw(
+ OptCapital OptProfit
+ ));
% } # ========== OPTIMISATION ==========
+% my %ts_sortkeys;
% {
% my $cdspan= $qa->{ShowStalls} ? ' colspan=2' : '';
% my $cdstall= $qa->{ShowStalls} ? 'Stall | ' : '';
-
-
+
+
+
+<% $qa->{ShowStalls} ? '' : '' %>
+
+
+
+
+
+
+% if ($optimise) {
+
+% }
+
>Collect
>Deliver
@@ -383,8 +579,10 @@ push @columns, qw(OptQty OptCapital OptProfit);
| Deliver
| Profit
| Max
+ |
+ | Max
% if ($optimise) {
- | Suggested
+ | Planned
% }
|
@@ -396,11 +594,14 @@ push @columns, qw(OptQty OptCapital OptProfit);
| Qty
| Price
| Qty
- | Unit
| Margin
+ | Unit
| Qty
| Capital
| Profit
+ | Dist
+ | Mass
+ | Vol
% if ($optimise) {
| Qty
| Capital
@@ -408,19 +609,224 @@ push @columns, qw(OptQty OptCapital OptProfit);
% }
% }
-% foreach my $flow (@flows) {
- |
+
+% foreach my $col (@cols) {
+|
+% }
+
+% foreach my $flowix (0..$#flows) {
+% my $flow= $flows[$flowix];
+% my $rowid= "id_row_$flow->{UidShort}";
+ |
| {UidShort} %> value="">
{UidShort} %> value=""
<% $flow->{Suppress} ? '' : 'checked' %> >
-% foreach my $col (@columns) {
- | <% $flow->{$col} |h %>
+% my $ci= 1;
+% while ($ci < @cols) {
+% my $col= $cols[$ci];
+% my $spec= {
+% Span => 1,
+% Align => ($col->{Text} ? '' : 'align=right')
+% };
+% my $v= $flow->{$col->{Name}};
+% 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}= $sortkey;
+ | {Span} ? "colspan=$spec->{Span}" : ''
+ %> <% $spec->{Align}
+ %>><% exists $spec->{String} ? $spec->{String} : $v |h %>
+% $ci += $spec->{Span};
+% }
+% }
+ |
+|
+ | Total
+% foreach my $ci (3..$#cols) {
+% my $col= $cols[$ci];
+ |
+% if (defined $col->{Total}) {
+<% $col->{Total} |h %>
% }
% }
| |
+<&| tabsort, cols => \@cols, table => 'trades', rowclass => 'datarow',
+ throw => 'trades_sort', tbrow => 'trades_total' &>
+ ts_sortkeys= <% to_json_protecttags(\%ts_sortkeys) %>;
+
+
+% if ($optimise) { # ========== TRADING PLAN ==========
+%
+% my $iquery= $dbh->prepare('SELECT islandname FROM islands
+% WHERE islandid = ?');
+% my %da_ages;
+% my $total_total= 0;
+% my $total_dist= 0;
+%
+Voyage trading plan
+
+% foreach my $i (0..$#islandids) {
+
+|
+% $iquery->execute($islandids[$i]);
+% my ($islandname) = $iquery->fetchrow_array();
+% if (!$i) {
+Start at <% $islandname |h %>
+% } else {
+% my $this_dist= $distance->($islandids[$i-1],$islandids[$i]);
+% $total_dist += $this_dist;
+Sail to <% $islandname |h %>
+- <% $this_dist |h %> leagues |
+% }
+<%perl>
+ my $age_reported= 0;
+ my %flowlists;
+ foreach my $od (qw(org dst)) {
+ foreach my $f (@flows) {
+ next if $f->{Suppress};
+ next unless $f->{"${od}_id"} == $islandids[$i];
+ next unless $f->{OptQty};
+ my $arbitrage= $f->{'org_id'} == $f->{'dst_id'};
+ my $loop= $islandids[0] == $islandids[-1] &&
+ ($i==0 || $i==$#islandids);
+ next if $loop and ($arbitrage ? $i :
+ !!$i == !!($od eq 'org'));
+ my $price= $f->{"${od}_price"};
+ my $stallname= $f->{"${od}_stallname"};
+ my $todo= \$flowlists{$od}{
+ $f->{'commodname'},
+ (sprintf "%07d", ($od eq 'dst' ?
+ 9999999-$price : $price)),
+ $stallname
+ };
+ $$todo= {
+ Qty => 0,
+ orgArbitrage => 0,
+ dstArbitrage => 0,
+ } unless $$todo;
+ $$todo->{'commodname'}= $f->{'commodname'};
+ $$todo->{'stallname'}= $stallname;
+ $$todo->{Price}= $price;
+ $$todo->{Timestamp}= $f->{"${od}_timestamp"};
+ $$todo->{Qty} += $f->{OptQty};
+ $$todo->{Total}= $$todo->{Price} * $$todo->{Qty};
+ $$todo->{Stalls}= $f->{"${od}Stalls"};
+ $$todo->{"${od}Arbitrage"}= 1 if $arbitrage;
+ }
+ }
+
+ my ($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;
+
+
+|
+ | <% $xinfo %>
+ | <% $totaldesc %>
+ | <% $totalwas |h %> total
+<%perl>
+ $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};
+% my $cellid= "da_${i}";
+% $da_ages{$cellid}= $age;
+ | \
+(Data age: <% prettyprint_age($age) %>)
+% } elsif (!defined $total) {
+% $total= 0;
+ |
+% }
+% $total += $t->{Total};
+% my $span= 0 + keys %{ $t->{Stalls} };
+% my $td= "td rowspan=$span";
+
+<<% $td %>><% $collectdeliver %>
+<<% $td %>><% $t->{'commodname'} |h %>
+%
+% my @stalls= sort keys %{ $t->{Stalls} };
+% my $pstall= sub {
+% my $name= $stalls[$_[0]];
+| <% $name |h %>
+% };
+%
+% $pstall->(0);
+<<% $td %> align=right><% $t->{Price} |h %> poe ea.
+<<% $td %> align=right><% $t->{Qty} |h %> unit(s)
+<<% $td %> align=right><% $t->{Total} |h %> total
+%
+% foreach my $stallix (1..$#stalls) {
+ |
+% $pstall->($stallix);
+% }
+%
+% $dline ^= 1;
+% }
+% };
+<%perl>
+
+ $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 $total_massvol[$i]{mass} kg,".
+ " $total_massvol[$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= ', ';
+ };
+ $domv->($max_mass, $total_massvol[$i]{mass}, 'kg');
+ $domv->($max_volume, $total_massvol[$i]{volume}, 'l');
+ $totals .= ".\n";
+ }
+ $show_total_now->($totals);
+}
+
+
+| Total distance: <% $total_dist %> leagues.
+ | Overall net cash flow
+ | <%
+ $total_total < 0 ? -$total_total." loss" : $total_total." gain"
+ %>
+ |
+<& query_age:dataages, id2age => \%da_ages &>
+%
+% } # ========== TRADING PLAN ==========
+
<%init>
use CommodsWeb;
use Commods;