}
};
+my %islandpair;
+# $islandpair{$a,$b}= [ $start_island_ix, $end_island_ix ]
+
+my $specific= !grep { !defined $_ } @islandids;
+my $confusing= 0;
+
foreach my $src_i (0..$#islandids) {
+ my $src_isle= $islandids[$src_i];
my $src_cond= $sd_condition->('sell',$src_i);
my @dst_conds;
foreach my $dst_i ($src_i..$#islandids) {
+ my $dst_isle= $islandids[$dst_i];
my $dst_cond= $sd_condition->('buy',$dst_i);
- if ($dst_i==$src_i and !defined $islandids[$src_i]) {
+ if ($dst_i==$src_i and !defined $src_isle) {
# we always want arbitrage, but mentioning an arch
# once shouldn't produce intra-arch trades
$dst_cond=
"($dst_cond AND sell.islandid = buy.islandid)";
}
push @dst_conds, $dst_cond;
+
+ if ($specific && !$confusing &&
+ # With a circular route, do not carry goods round the loop
+ !($src_i==0 && $dst_i==$#islandids &&
+ $src_isle == $islandids[$dst_i])) {
+ if ($islandpair{$src_isle,$dst_isle}) {
+ $confusing= 1;
+ } else {
+ $islandpair{$src_isle,$dst_isle}=
+ [ $src_i, $dst_i ];
+ }
+ }
}
push @flow_conds, "$src_cond AND (
".join("
SELECT sell_islands.islandname org_name,
sell_islands.islandid org_id,
sell.price org_price,
- sum(sell.qty) org_qty,
buy_islands.islandname dst_name,
buy_islands.islandid dst_id,
buy.price dst_price,
+".($qa->{ShowStalls} ? "
+ sell.stallid org_stallid,
+ sell_stalls.stallname org_stallname,
+ sell.qty org_qty,
+ buy.stallid dst_stallid,
+ buy_stalls.stallname dst_stallname,
+ buy.qty dst_qty,
+" : "
+ sum(sell.qty) org_qty,
sum(buy.qty) dst_qty,
+")."
commods.commodname commodname,
commods.commodid commodid,
- commods.unitmass mass,
- commods.unitvolume volume,
- buy.price - sell.price unitprofit,
- min(sell.qty,buy.qty) tqty,
- min(sell.qty,buy.qty) * (buy.price-sell.price) profit
+ commods.unitmass unitmass,
+ commods.unitvolume unitvolume,
+ buy.price - sell.price unitprofit
FROM commods
JOIN buy on commods.commodid = buy.commodid
JOIN sell on commods.commodid = sell.commodid
JOIN islands as sell_islands on sell.islandid = sell_islands.islandid
JOIN islands as buy_islands on buy.islandid = buy_islands.islandid
+".($qa->{ShowStalls} ? "
+ JOIN stalls as sell_stalls on sell.stallid = sell_stalls.stallid
+ JOIN stalls as buy_stalls on buy.stallid = buy_stalls.stallid
+" : "")."
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, profit DESC, commodname,
+")."
+ ORDER BY org_name, dst_name, commodname, unitprofit DESC,
org_price, dst_price DESC
";
$sth->execute(@query_params);
my @flows;
+my @columns;
+if ($qa->{ShowStalls}) {
+ push @columns, qw(org_name org_stallname dst_name dst_stallname);
+} else {
+ push @columns, qw(org_name dst_name);
+}
+push @columns, qw(commodname
+ org_price org_qty dst_price dst_qty
+ unitprofit PctProfit
+ MaxQty MaxCapital MaxProfit);
+
</%perl>
% if ($qa->{'debug'}) {
</pre>
% }
-<& dumpqueryresults:start, sth => $sth &>
-% my $flow;
-% while ($flow= $sth->fetchrow_hashref()) {
-% push @flows, $flow;
-<& dumpqueryresults:row, sth => $sth, row => $flow &>
+<& dumptable:start, qa => $qa, sth => $sth &>
+% {
+% my $f;
+% while ($f= $sth->fetchrow_hashref()) {
+<%perl>
+
+ $f->{Ix}= @flows;
+ $f->{Var}= "f$f->{Ix}";
+
+ $f->{MaxQty}= $f->{'org_qty'} < $f->{'dst_qty'}
+ ? $f->{'org_qty'} : $f->{'dst_qty'};
+ $f->{MaxProfit}= $f->{MaxQty} * $f->{'unitprofit'};
+ $f->{MaxCapital}= $f->{MaxQty} * $f->{'org_price'};
+
+ $f->{PctProfit}= sprintf "%3.1f%%",
+ $f->{'dst_price'} * 100.0 / $f->{'org_price'} - 100.0;
+
+ $f->{"org_stallid"}= $f->{"dst_stallid"}= 'all'
+ if !$qa->{ShowStalls};
+
+ my @uid= $f->{commodid};
+ foreach my $od (qw(org dst)) {
+ push @uid,
+ $f->{"${od}_id"},
+ $f->{"${od}_price"};
+ push @uid,
+ $f->{"${od}_stallid"}
+ if $qa->{ShowStalls};
+ }
+ $f->{UidLong}= join '_', @uid;
+
+ my $base= 31;
+ my $cmpu= '';
+ map {
+ my $uue= $_;
+ my $first= $base;
+ do {
+ my $this= $uue % $base;
+print STDERR "uue=$uue this=$this ";
+ $uue -= $this;
+ $uue /= $base;
+ $this += $first;
+ $first= 0;
+ $cmpu .= chr($this + ($this < 26 ? ord('a') :
+ $this < 52 ? ord('A')-26
+ : ord('0')-52));
+print STDERR " uue=$uue this=$this cmpu=$cmpu\n";
+die "$cmpu $uue ?" if length $cmpu > 20;
+ } while ($uue);
+ $cmpu;
+ } @uid;
+ $f->{UidShort}= $cmpu;
+
+ if ($qa->{'debug'}) {
+ my @outuid;
+ $_= $f->{UidShort};
+ my $mul;
+ while (m/./) {
+ my $v= m/^[a-z]/ ? ord($&)-ord('a') :
+ m/^[A-Z]/ ? ord($&)-ord('A')+26 :
+ m/^[0-9]/ ? ord($&)-ord('0')+52 :
+ die "$_ ?";
+ if ($v >= $base) {
+ push @outuid, 0;
+ $v -= $base;
+ $mul= 1;
+#print STDERR "(next)\n";
+ }
+ die "$f->{UidShort} $_ ?" unless defined $mul;
+ $outuid[$#outuid] += $v * $mul;
+
+#print STDERR "$f->{UidShort} $_ $& v=$v mul=$mul ord()=".ord($&).
+# "[vs.".ord('a').",".ord('A').",".ord('0')."]".
+# " outuid=@outuid\n";
+
+ $mul *= $base;
+ s/^.//;
+ }
+ my $recons_long= join '_', @outuid;
+ $f->{UidLong} eq $recons_long or
+ die "$f->{UidLong} = $f->{UidShort} = $recons_long ?";
+ }
+
+ if ($qa->{"R$f->{UidShort}"} && !$qa->{"T$f->{UidShort}"}) {
+ $f->{Suppress}= 1;
+ }
+
+ push @flows, $f;
+
+</%perl>
+<& dumptable:row, qa => $qa, sth => $sth, row => $f &>
+% }
+<& dumptable:end, qa => $qa &>
+% }
+
+% my $optimise= $specific && !$confusing && @islandids>1;
+% if (!$optimise) {
+
+<p>
+% if (@islandids<=1) {
+Route is trivial.
+% }
+% if (!$specific) {
+Route contains archipelago(es), not just specific islands.
% }
-<& dumpqueryresults:end &>
+% if ($confusing) {
+Route is complex - it visits the same island several times
+and isn't a simple loop.
+% }
+Therefore, optimal trade pattern not calculated.
+
+% } else { # ========== OPTMISATION ==========
+<%perl>
+
+my $cplex= "
+Maximize
+ totalprofit:
+ ".(join " +
+ ", map { "$_->{unitprofit} $_->{Var}" } @flows)."
+
+Subject To
+";
+
+my %avail_csts;
+foreach my $flow (@flows) {
+ if ($flow->{Suppress}) {
+ $cplex .= "
+ $flow->{Var} = 0
+";
+ next;
+ }
+ foreach my $od (qw(org dst)) {
+ my $cstname= join '_', (
+ 'avail',
+ $flow->{'commodid'},
+ $od,
+ $flow->{"${od}_id"},
+ $flow->{"${od}_price"},
+ $flow->{"${od}_stallid"},
+ );
+
+ push @{ $avail_csts{$cstname}{Flows} }, $flow->{Var};
+ $avail_csts{$cstname}{Qty}= $flow->{"${od}_qty"};
+ }
+}
+foreach my $cstname (sort keys %avail_csts) {
+ my $c= $avail_csts{$cstname};
+ $cplex .= "
+ ". sprintf("%-30s","$cstname:")." ".
+ join("+", @{ $c->{Flows} }).
+ " <= ".$c->{Qty}."\n";
+}
+
+$cplex.= "
+Bounds
+ ".(join "
+ ", map { "$_->{Var} >= 0" } @flows)."
+
+End
+";
+
+if ($qa->{'debug'}) {
+</%perl>
+<pre>
+<% $cplex |h %>
+</pre>
<%perl>
+}
+
+{
+ my $input= pipethrough_prep();
+ print $input $cplex or die $!;
+ my $output= pipethrough_run_along($input, undef, 'glpsol',
+ qw(glpsol --cpxlp /dev/stdin -o /dev/stdout));
+ print "<pre>\n" if $qa->{'debug'};
+ my $found_section= 0;
+ while (<$output>) {
+ print encode_entities($_) if $qa->{'debug'};
+ if (m/^\s*No\.\s+Column name\s+St\s+Activity\s/) {
+ die if $found_section>0;
+ $found_section= 1;
+ next;
+ }
+ next unless $found_section==1;
+ next if m/^[- ]+$/;
+ if (!/\S/) {
+ $found_section= 2;
+ next;
+ }
+ my ($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 "</pre>\n" if $qa->{'debug'};
+ pipethrough_run_finish($output, 'glpsol');
+ die unless $found_section;
+};
+
+push @columns, qw(OptQty OptCapital OptProfit);
</%perl>
+% } # ========== OPTIMISATION ==========
+
+% {
+% my $cdspan= $qa->{ShowStalls} ? ' colspan=2' : '';
+% my $cdstall= $qa->{ShowStalls} ? '<th>Stall</th>' : '';
+<table>
+<tr>
+<th>
+<th<% $cdspan %>>Collect
+<th<% $cdspan %>>Deliver
+<th>
+<th colspan=2>Collect
+<th colspan=2>Deliver
+<th colspan=2>Profit
+<th colspan=3>Max
+% if ($optimise) {
+<th colspan=3>Suggested
+% }
+
+<tr>
+<th>
+<th>Island <% $cdstall %>
+<th>Island <% $cdstall %>
+<th>Commodity
+<th>Price
+<th>Qty
+<th>Price
+<th>Qty
+<th>Unit
+<th>Margin
+<th>Qty
+<th>Capital
+<th>Profit
+% if ($optimise) {
+<th>Qty
+<th>Capital
+<th>Profit
+% }
+% }
+
+% foreach my $flow (@flows) {
+<tr>
+<td><input type=hidden name=R<% $flow->{UidShort} %> value="">
+ <input type=checkbox name=T<% $flow->{UidShort} %> value=""
+ <% $flow->{Suppress} ? '' : 'checked' %> >
+% foreach my $col (@columns) {
+<td><% $flow->{$col} |h %>
+% }
+% }
+</table>
+
+<input type=submit name=update value="Update">
+
<%init>
use CommodsWeb;
+use Commods;
</%init>
~yarrgweb / ypp-sc-tools.web-live.git / blobdiff