This Mason component is the core trade planner for a specific route.
-========== TODO ==========
-16:36 <ceb> alpha,byrne,papaya,turtle,jorvik,luthien is my example
-xi,heph for mixed arbitrage/trade
-
-initial/final stocks feature
-
-display net cash flow
-
-onload thing broken, need proper framework
-
-use POST for update. Hrrm.
-
-LATER OR NOT AT ALL
-
-adjustable potential cost of losses (rather than fixed 1e-BIG per league)
-
-max volume/mass
-
-========== TODO ==========
-
</%doc>
<%args>
$dbh
% }
<%perl>
+
+if (!@flows) {
+ print 'No profitable trading opportunities were found.';
+ return;
+}
+
foreach my $f (@flows) {
$f->{MaxQty}= $f->{'org_qty_agg'} < $f->{'dst_qty_agg'}
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>
qw(glpsol --cpxlp /dev/stdin -o /dev/stdout));
print "<pre>\n" if $qa->{'debug'};
my $found_section= 0;
+ my $glpsol_out= '';
while (<$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;
$flow->{OptCapital}= $flow->{OptQty} * $flow->{'org_price'};
}
print "</pre>\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);
+ die $prerr unless $found_section;
};
$addcols->({ DoReverse => 1 }, qw(
% my $iquery= $dbh->prepare('SELECT islandname FROM islands
% WHERE islandid = ?');
% my %da_ages;
+% my $total_total= 0;
%
<h1>Voyage trading plan</h1>
<table rules=groups>
% }
% };
% my $show_total= sub {
-% my ($totaldesc)= @_;
+% my ($totaldesc, $sign)= @_;
% if (defined $total) {
<tr>
<td colspan=3>
<td colspan=2 align=right><% $totaldesc %>
<td align=right><% $total |h %> total
+% $total_total += $sign * $total;
% }
% $total= undef;
% $dline= 0;
<%perl>
};
- $show_flows->('dst',0,'Deliver'); $show_total->('Proceeds');
- $show_flows->('org',1,'Collect'); $show_total->('(Arbitrage) outlay');
- $show_flows->('dst',1,'Deliver'); $show_total->('(Arbitrage) proceeds');
- $show_flows->('org',0,'Collect'); $show_total->('Outlay');
+ $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);
}
</%perl>
+<tbody><tr>
+<td colspan=2>
+<td colspan=3 align=right>Overall net cash flow
+<td align=right><strong><%
+ $total_total < 0 ? -$total_total." loss" : $total_total." gain"
+ %></strong>
</table>
<& query_age:dataages, id2age => \%da_ages &>
%