chiark / gitweb /
Put data into flows
[ypp-sc-tools.web-live.git] / yarrg / web / routetrade
index ad826579c0907e48b219d4270d6e4ec203dbdff8..de9e73c8129c5793b1dd1b7d3ab2f5ed344fb724 100644 (file)
@@ -1,7 +1,43 @@
+<%doc>
+
+ This is part of the YARRG website.  YARRG is a tool and website
+ for assisting players of Yohoho Puzzle Pirates.
+
+ Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ Copyright (C) 2009 Clare Boothby
+
+  YARRG's client code etc. is covered by the ordinary GNU GPL (v3 or later).
+  The YARRG website is covered by the GNU Affero GPL v3 or later, which
+   basically means that every installation of the website will let you
+   download the source.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as
+ published by the Free Software Foundation, either version 3 of the
+ License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+ Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
+ are used without permission.  This program is not endorsed or
+ sponsored by Three Rings.
+
+
+ This Mason component is the core trade planner for a specific route.
+
+
+</%doc>
 <%args>
 $dbh
 @islandids
 @archipelagoes
+$qa
 </%args>
 <%perl>
 
@@ -12,7 +48,7 @@ my $sd_condition= sub {
        my ($bs, $ix) = @_;
        my $islandid= $islandids[$ix];
        if (defined $islandid) {
-               return "${bs}_islands.islandid = $islandid";
+               return "${bs}.islandid = $islandid";
        } else {
                push @query_params, $archipelagoes[$ix];
                return "${bs}_islands.archipelago = ?";
@@ -23,7 +59,14 @@ foreach my $src_i (0..$#islandids) {
        my $src_cond= $sd_condition->('sell',$src_i);
        my @dst_conds;
        foreach my $dst_i ($src_i..$#islandids) {
-               push @dst_conds, $sd_condition->('buy',$dst_i);
+               my $dst_cond= $sd_condition->('buy',$dst_i);
+               if ($dst_i==$src_i and !defined $islandids[$src_i]) {
+                       # 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, $dst_cond;
        }
        push @flow_conds, "$src_cond AND (
                        ".join("
@@ -32,18 +75,21 @@ foreach my $src_i (0..$#islandids) {
 }
 
 my $stmt= "            
-       SELECT  commods.commodname              commodname,
-               commods.commodid                commodid,
-               commods.unitmass                mass,
-               commods.unitvolume              volume,
-               sell_islands.islandid           org_id,
-               sell_islands.islandname         org_name,
-               sell.price                      org_price,
-               sum(sell.qty)                   org_qty,
-               buy_islands.islandid            dst_id,
-               buy_islands.islandname          dst_name,
-               buy.price                       dst_price,
-               sum(buy.qty)                    dst_qty
+       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,
+               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
        FROM commods
        JOIN buy  on commods.commodid = buy.commodid
        JOIN sell on commods.commodid = sell.commodid
@@ -54,20 +100,35 @@ my $stmt= "
           OR   ", @flow_conds)."
        )
          AND   buy.price > sell.price
-       GROUP BY commodname, commods.commodid,
-               org_id, org_price, dst_id, dst_price
+       GROUP BY commods.commodid, org_id, org_price, dst_id, dst_price
+       ORDER BY org_name, dst_name, profit DESC, commodname,
+                org_price, dst_price DESC
      ";
 
 my $sth= $dbh->prepare($stmt);
 $sth->execute(@query_params);
+my @flows;
 
 </%perl>
+
+% if ($qa->{'debug'}) {
 <pre>
 <% $stmt |h %>
 <% join(' | ',@query_params) |h %>
 </pre>
+% }
 
-<& dumpqueryresults, sth =>$sth &>
+<& dumpqueryresults:start, sth => $sth &>
+% my $flow;
+% while ($flow= $sth->fetchrow_hashref()) {
+%      push @flows, $flow;
+<& dumpqueryresults:row, sth => $sth, row => $flow &>
+% }
+<& dumpqueryresults:end &>
+
+<%perl>
+
+</%perl>
 
 <%init>
 use CommodsWeb;