X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?p=ypp-sc-tools.web-live.git;a=blobdiff_plain;f=yarrg%2Fweb%2Fquery_commod;h=052d019f998b137cd103f806c46bbbb0f3e0fd4a;hp=aeee3cee83d0bf8288ee79903ec005e20b36f4fc;hb=2b6a88303ee81419e9583c4fc34e71f4e692a2e0;hpb=dbd70ca20132a55c55b5d876b59a85d10f9cdd25

diff --git a/yarrg/web/query_commod b/yarrg/web/query_commod
index aeee3ce..052d019 100644
--- a/yarrg/web/query_commod
+++ b/yarrg/web/query_commod
@@ -52,6 +52,7 @@ my $qa= \%ARGS;
 <h1>Commodity enquiry</h1>
 
 % $prselector->('BuySell');
+% $prselector->('ShowBlank');
 
 %#---------- textbox, user enters route as string ----------
 % if (!$qa->{Dropdowns}) {
@@ -88,42 +89,139 @@ $someresults->();
 
 #---------- actually compute the results and print them ----------
 
+my $onloads= "";
+
 foreach my $bs (split /_/, $ARGS{BuySell}) {
 	$bs =~ m/^(buy|sell)$/ or die;
 	$bs= $1;
+	my ($ascdesc) = ($bs eq 'buy')
+		? ('DESC')
+		: ('ASC');
+	my $joinkind= $ARGS{ShowBlank} eq 'show'
+		? 'LEFT OUTER JOIN' : 'INNER JOIN';
+	my $islands= $dbh->prepare(
+	"SELECT islands.islandid AS islandid, archipelago, islandname,
+			sum(qty) as tqty
+		FROM islands $joinkind $bs offers
+		ON islands.islandid == offers.islandid AND commodid == ?
+		GROUP BY islands.islandid,
+		ORDER BY archipelago, islandname"
+		);
 
-	my $sth= $dbh->prepare(
-	"SELECT archipelago, islandname, stallname, price, qty
-		FROM $bs NATURAL JOIN stalls NATURAL JOIN islands
-		WHERE commodid = ?"
+	my $offers= $dbh->prepare(
+	"SELECT stallname, price, qty
+		FROM $bs NATURAL JOIN stalls
+		WHERE commodid = ? AND islandid = ?
+		ORDER BY price $ascdesc"
 		);
 	# fixme this query is utterly wrong
 
-	$sth->execute($commodid);
-
 </%perl>
 
 <h2>Offers to <% uc $bs |h %> <% $commodname |h %></h2>
 
-<table>
+<table id="<% $bs %>_table">
 <tr>
+<th colspan=3>
+<th colspan=2>Prices
+<th colspan=3>Quantity at price
+<tr id="<% $bs %>_table_thr">
 <th>Archipelago
 <th>Island
-<th>Best stall
-<th>Best price
-<th>Qty at best
+<th>Stall(s)
+<th>Best
+<th>Median
+<th>Best
+<th>+/-10%
+<th>Any
 </tr>
-%	my $row;
-%	while ($row=$sth->fetchrow_hashref) {
-<tr> <td><% $row->{'archipelago'} %>
-     <td><% $row->{'islandname'} %>
-     <td><% $row->{'stallname'} %>
-     <td><% $row->{'price'} %>
-     <td><% $row->{'qty'} %>
+%	$islands->execute($commodid);
+%	my $island;
+%	my %ts_sortkeys;
+%	while ($island= $islands->fetchrow_hashref) {
+%		my $islandid= $island->{'islandid'};
+%		$offers->execute($commodid, $islandid);
+%		my ($offer, $bestprice, $marginal, @beststalls);
+%		my $tqty= $island->{'tqty'};
+%		my $cqty= '';
+%		my $bestqty= '';
+%		my $approxqty= '';
+%		my $median= '-';
+%		while ($offer= $offers->fetchrow_hashref) {
+%			my $price= $offer->{'price'};
+%			my $qty= $offer->{'qty'};
+%			length $bestqty or $bestprice= $price;
+%			if ($price == $bestprice) {
+%				$bestqty += $qty;
+%				push @beststalls, $offer->{'stallname'};
+%			}
+%			$cqty += $qty;
+%			if ($cqty*2 >= $tqty && $median eq '-') {
+%				$median= $price;
+%			}
+%			if ($bestprice*9 <= $price*10 and
+%			    $price*10 <= $bestprice*11) {
+%				$approxqty += $qty;
+%			}
+%		}
+%		my $stallname;
+%
+%		my $rowid= "id_${bs}_$islandid";
+%		my $s= [ ];
+%
+%		$s->[2]= sprintf "%06d", scalar @beststalls;
+%		if (!@beststalls) {
+%			$stallname= '-';
+%		} elsif (@beststalls==1) {
+%			$stallname= $beststalls[0];
+%			$s->[2] .= " $stallname";
+%		} else {
+%			$stallname= sprintf "%d offers", scalar @beststalls;
+%		}
+%
+%		$cqty == $tqty or die "$bs $cqty $tqty $commodid $islandid ";
+<tr id=<% $rowid %> >
+     <td><% $s->[0]= $island->{'archipelago'} |h %>
+     <td><% $s->[1]= $island->{'islandname'} |h %>
+     <td><%          $stallname |h %>
+     <td><% $s->[3]= (length $bestqty ? $bestprice : '-') %>
+     <td><% $s->[4]= $median %>
+     <td><% $s->[5]= $bestqty %>
+     <td><% $s->[6]= $approxqty %>
+     <td><% $s->[7]= $cqty %>
 </tr>
+%		for my $cix (0..$#$s) {
+%			$ts_sortkeys{$cix}{$rowid}= $s->[$cix];
+%		}
 %	}
 </table>
 
+<& tabsort,	table => "${bs}_table", sortkeys => "${bs}_sortkeys",
+		throw => "${bs}_table_thr", cols => [
+	{}, {},
+	{ DoReverse => 1 },
+	{ DoReverse => 1, Numeric => 1, MapFn => "ts_Pricemap_${bs}" },
+	{ DoReverse => 1, Numeric => 1, MapFn => "ts_Pricemap_${bs}" },
+	{ DoReverse => 1, Numeric => 1 },
+	{ DoReverse => 1, Numeric => 1 },
+	{ DoReverse => 1, Numeric => 1 },
+	] &>
+<&| script &>
+  <% $bs %>_sortkeys= <% to_json_protecttags(\%ts_sortkeys) %>;
+  function ts_Pricemap_<% $bs %>(price) {
+    if (price=='-') { return <% $bs eq 'buy' ? '-1' : '99999999' %>; }
+    return price;
+  }
+</&>
+%	$onloads .= "    ts_onload__${bs}_table();\n";
+
 <%perl>
 }
 </%perl>
+
+<&| script &>
+  function all_onload() {
+<% $onloads %>
+  }
+  window.onload= all_onload;
+</&>